Layover in Seoul? 24 Hours to Discover the Secret Gems Travelers Can’t Stop Talking About!
Most people who transit through Incheon sit in one of the world’s best airports and watch it go by. That’s the actual tragedy of a Seoul layover β not that the city is too far, or too complicated, or too foreign. It’s that Incheon International is so good that leaving feels optional, and leaving is absolutely not optional if you have the time. The AREX Express drops you at Seoul Station in 43 minutes. From there, the city’s entire metro system opens up. You can be standing in front of a 600-year-old palace gate, ordering bibimbap in Insadong, or climbing to the observatory of N Seoul Tower before most people at your gate have finished their duty-free coffee.
Seoul is also one of the few cities where the airport itself offers a genuine alternative to leaving. Incheon has free government-run transit tours, a Korean Cultural Street with live performances inside the terminal, spa facilities, golf simulators, and some of the best airport food in Asia. So the guide here covers both β what to do if you leave, and what to do if you don’t. One is better. The answer changes depending entirely on how much time you have.
β‘ Quick Answers
Yes β if you have 5 hours or more. The AREX Express runs non-stop from Incheon Terminal 1 to Seoul Station in 43 minutes (51 minutes from Terminal 2). Most nationalities enter South Korea visa-free for short stays β check your specific passport at iVisa before travelling.
Most Western, Australian, and NZ passport holders receive 90 days visa-free. US citizens receive 90 days visa-free. Check the K-ETA requirements β South Korea previously required a K-ETA electronic travel authorisation; check current requirements at iVisa as these have changed multiple times since 2023.
Yes β genuinely. Incheon is consistently in the global top five airports. It has free government-sponsored transit tours into Seoul, a Korean Cultural Street with live traditional performances, free shower facilities, spa capsule hotels, and airport food that competes with good street-level restaurants. Under 5 hours: stay in. Over 5 hours: the city wins.
The Korea Tourism Organisation runs free guided tours from Incheon Airport for transit passengers with layovers of 5β24 hours. Routes include Gyeongbokgung Palace and Insadong, the DMZ, Incheon Chinatown, and more. Register at the Transit Tour desk in Arrival Hall (Gate 5/6) or online. Free β you pay only personal expenses.
Under 5 hours doesn’t give you the margin to clear immigration, take the 43-minute train to Seoul, see anything meaningful, return, and still have 3 hours before departure. But Incheon makes staying in a genuinely good alternative. The Korean Cultural Street (between Gates 5 and 6, post-security) has live traditional music, calligraphy demonstrations, and a folk experience centre. Free showers are available for all passengers. The spa lounge offers massage chairs throughout. And One O One and other food outlets serve proper Korean food at reasonable prices. You are not waiting β you are visiting one of the world’s best airports.
Five to seven hours gives you roughly 90 minutes to 2 hours of real city time after accounting for the 43-minute train each way and your 3-hour return buffer. Take the AREX Express to Seoul Station, then the metro one stop to reach Gyeongbokgung (changing guard ceremony runs hourly) or Myeongdong for street food. Do not attempt Hongdae and Insadong in the same trip. Pick one neighbourhood and go deep rather than shallow and wide.
Seven hours or more gives you enough to visit two distinct areas β palace and market, or Hongdae and N Seoul Tower, or Insadong and Myeongdong. At 12 hours you have a full day. Seoul’s metro is one of the best in Asia β fast, cheap, and signed in English. Navigate between neighbourhoods by subway rather than taxi unless you’re going somewhere specifically off the line. Return to airport 3 hours before departure.
Top 10 Things to Do on a Seoul Layover
Ranked by layover practicality β how long it takes to get there, how much time you need, and what’s genuinely worth the margin it costs.
Neighbourhood Orientation
Seoul is a large city with excellent metro coverage. These six areas work on a layover β each distinct from the others, each reachable from Seoul Station within 20 minutes by metro.
The historic heart. Gyeongbokgung Palace, Bukchon Hanok Village, and Insadong’s craft district are all within walking distance of each other. Metro Line 3. Best for 7+ hour layovers as the area rewards walking slowly.
KL’s answer to Bukit Bintang β but Seoul’s. Skincare brands, street carts with hotteok and tteokbokki, and a high-energy pedestrian main street. Best 4pm onwards when the food stalls fully activate. Metro Line 4, direct from Seoul Station area.
University district with independent music venues, vintage shops, concept cafΓ©s, and live street performance. Younger, louder, and more spontaneous than Myeongdong. The AREX All-Stop train from Incheon stops here directly β 50 minutes.
The DDP building (Zaha Hadid), wholesale fashion markets open until 5am, and Gwangjang Market nearby for the best street food in the city. Outstanding for evening or night layovers when other neighbourhoods have quietened.
The hill-top tower with 360Β° city views. Take the cable car up or hike the forested path β 20 minutes on foot from the base. The love lock fence is a clichΓ© but the observation deck view is not. Best at sunset or after dark.
Sleek, expensive, and distinctly 21st-century Korean. The reference point for anyone who associates Seoul with K-drama aesthetics. Garosugil street is the best single street β tree-lined, with independent boutiques and excellent coffee. Metro Line 3 or 9.
Gyeongbokgung β The Main Gate at Sunrise
Gwanghwamun Gate (the main southern entrance to Gyeongbokgung Palace) faces due south and catches direct morning light from 7β9am. The gate, the mountain behind it, and the absence of crowds this early make it a completely different photograph from the one taken at 11am. Arrive before 8am, shoot from the wide plaza in front, include the changing guard pillars in the frame. The symmetry of the gate against Bugaksan mountain behind it is the shot.
“Early train. Empty palace. Worth the alarm.” β #EpicLayover #Gyeongbokgung #Seoul #Seoulayover #Korea
Getting In: Transport from Incheon to Seoul
Incheon has two passenger terminals. Terminal 1: Most international airlines. Terminal 2: Korean Air, Delta, Air France, KLM, Garuda Indonesia, and as of January 2026, Asiana Airlines. The AREX Express stops at both β Terminal 2 to Seoul Station takes 51 minutes (8 minutes longer than T1). If connecting between terminals, a free shuttle runs every 5β10 minutes and takes about 15 minutes. Both terminals have the AREX station in the basement transportation centre.
| Option | Journey Time | Cost (one way) | Best For |
|---|---|---|---|
| AREX Express (reserved seat) | 43 min (T1) / 51 min (T2) | β©13,000 (~US$10) Β· ~β©11,500 online | Everyone. Non-stop, reserved seat, luggage racks, free Wi-Fi |
| AREX All-Stop (subway fare) | ~60 min to Seoul Station | β©4,150β4,750 (T-money card) | Budget travellers. Stops at Hongdae β useful if that’s your destination |
| Airport Limousine Bus | 60β80 min (traffic-dependent) | β©9,000β17,000 | Hotels near specific bus routes. Not recommended for tight layovers |
| Taxi / private transfer | 60β80 min (traffic-dependent) | β©55,000β80,000+ | Groups or those with heavy luggage. Seoul traffic is unpredictable |
Korean Air and Asiana Airlines offer city check-in at Seoul Station’s AREX facility. Check your bags, collect your boarding pass, and travel into the city without your luggage. You go directly to the departure gate when you return to the airport. This is one of the genuinely useful layover infrastructure features that most travellers don’t know about. Minimum 3 hours 20 minutes before departure for Terminal 2 flights.
Itineraries by Layover Length
Follow orange signs to the AREX station in the basement transportation centre. Buy your ticket at the machine or use a pre-purchased voucher. 43 minutes to Seoul Station (T1) β reserved seat, luggage rack, free Wi-Fi on board.
Two stops from Seoul Station on Line 1 to Jonggak, then a 15-minute walk up Sejong-daero to the palace. Or change at Seoul Station to Line 3 and ride to Gyeongbokgung Station β direct, 4 stops, 10 minutes.
The palace is vast β you don’t need to see all of it. Walk the main courtyard, see the Geunjeongjeon Throne Hall, and catch the changing of the guard ceremony at the main gate if timing works (on the hour, 10amβ4pm). The guard ceremony takes 20 minutes and is one of the most photographed things in Seoul.
Return on Line 3 to Seoul Station, then the AREX Express. You’re back at Incheon with 3 hours before departure β enough for security, the gate walk, and a bowl of doenjang jjigae in the food court.
Line 3 from Seoul Station to Anguk (3 stops, 5 minutes). Exit towards Insadong β the street is 5 minutes’ walk from the station.
Walk the main Insadong-gil street and the smaller alley β Ssamziegil courtyard mall is at the far end and worth 20 minutes. Try the bingsu (shaved ice dessert) or order tea at a traditional teahouse. One hour here is enough.
15 minutes’ walk from Insadong. Changing guard ceremony if you time it right. The Bukchon Hanok Village is between Insadong and the palace β the uphill alleyways of traditional wooden houses with the Seoul skyline behind them are the most distinctive photographs in the city.
Line 4 from Myeongdong Station (or Grab from the palace). The street food stalls are active from midday β tteokbokki, hotteok, Korean corn dogs, egg bread. One hour here with your wallet: β©10,000β15,000 for a full spread.
Line 4 to Seoul Station (1 stop). AREX Express back to Incheon. 3 hours before departure minimum.
Metro Line 1 from Seoul Station to Jongno 5-ga. Gwangjang Market opens from 8am. Bindaetteok (mung bean pancakes) and mayak kimbap at a stall where locals are eating. This is the most authentic food experience a Seoul layover offers.
Metro to Anguk. The full palace circuit, Bukchon viewpoints, and a tea house. Two hours at a reasonable pace. The National Folk Museum inside the palace grounds is free with admission and worth 30 minutes if history is your priority.
Metro Line 3 to Euljiro 3-ga then Line 2 to Euljiro 3-ga, or Grab from Anguk (10 minutes). The food carts are active by midday. The K-beauty strip β Innisfree, Olive Young, Nature Republic β is here if skincare is on the agenda. One hour.
Bus 02 or 03 from Myeongdong to Namsan, or take the cable car. Arrive 30 minutes before sunset for the best light. The observatory deck gives you Seoul in every direction β Han River, the palace, the mountains, the city grid. If you only have budget for one paid attraction on your layover, this is it.
Hongdae for a sit-down dinner and evening atmosphere. Dongdaemun for DDP by night and Gwangjang for late-night street food. AREX Express back to Incheon departing no later than 3 hours before your flight. Last AREX from Seoul Station is approximately 10:50pm.
Bukchon Hanok Village β The Upper Alleyway View
The famous view of Bukchon’s traditional rooftops cascading down toward the modern Seoul skyline is taken from the top of Bukchon-ro 11-gil β a steep alley about 15 minutes’ walk from Anguk Station. Arrive before 9am or after 4pm to avoid the peak tourist surge. Shoot from the top of the alley looking downhill with a wide angle. The contrast of the curved clay rooftops against the glass towers below is the defining image of a Seoul layover.
“Old Seoul. New Seoul. Same layover.” β #EpicLayover #Bukchon #Seoul #HanokVillage #Seoulayover
What to Eat on a Seoul Layover
Korean food is one of the most varied and genuinely exciting street food cultures in Asia. The best of it costs very little and is found at market stalls and small restaurants, not tourist-facing restaurants with photographs on the menu. These six dishes represent the range β order at least three of them.
Chewy rice cakes in spicy red gochujang sauce, usually with fish cakes and boiled egg. The definitive Korean street food. Available at any pojangmacha (street tent restaurant). β©4,000β6,000. Myeongdong has the most concentrated street stalls.
Crispy mung bean pancake from Gwangjang Market β Korea’s oldest market. Ground mung beans, kimchi, pork, and spring onion pressed flat and griddle-fried until the edges crackle. β©5,000. Eat it standing at the stall while it’s hot.
Mixed rice bowl with assorted vegetables, beef, egg, and gochujang. Mix everything together vigorously before eating. The dolsot version (in a hot stone bowl) develops a crispy rice crust at the bottom that is worth seeking out specifically. β©8,000β12,000.
Fermented kimchi and pork in a deeply savoury, red-ochre stew. Served bubbling in a clay pot with rice and multiple small side dishes (banchan). Warming, filling, and specifically Korean in a way that’s hard to replicate elsewhere. β©9,000β13,000.
Korean dumplings β steamed, pan-fried, or in broth. Gwangjang Market and Myeongdong both have dedicated mandu stalls. The kimchi mandu (filled with fermented cabbage and pork) is the version most worth ordering. β©4,000 for a portion.
Sweet filled pancake β brown sugar, honey, cinnamon, and walnuts sealed inside a pillowy dough and pressed on a hot griddle. A winter street food classic available year-round in Seoul’s market streets. β©1,500β2,000. The best version has seeds in the crust.
Incheon Airport β If You’re Staying In
Incheon is consistently ranked one of the world’s top three airports β and unlike most airports in that category, the reasons are accessible to every passenger, not just business class.
What’s available airside for all passengers
Korean Cultural Street (between Gates 5 and 6, post-security): Traditional music performances, a Hanbok experience centre where you can try on traditional dress, calligraphy and craft demonstrations, a folk experience museum. Free and genuinely interesting β not the sanitised version. Free showers: Available on the 4th floor of both terminals for all passengers at no charge. Nap zones: Dedicated sleep areas with reclining seats and partial privacy screens. Capsule Transit Hotels: Incheon Airport Transit Hotel has locations in both Terminal 1 (before immigration) and Terminal 2 (in the customs area). Both offer rooms by the hour from approximately US$50.
Free transit tours from Incheon
The Korea Tourism Organisation runs complimentary guided tours into Seoul specifically for layover passengers. Routes include Gyeongbokgung and Insadong, the DMZ and Aegibong Peace Ecopark, Incheon Chinatown, and a Seoul Botanic Park circuit. Available to transit passengers with layovers of 5β24 hours. Register at the Transit Tour desk in the Arrival Hall (between Gates 5 and 6) or at the Tourism Information Centre on the 1st floor. No charge β you pay only your own food and shopping. This programme is one of the most underused layover resources in Asia.
If your layover is too short to leave: register for the Korean Cultural Street experience immediately after clearing security, book a shower slot on the 4th floor, eat at one of the proper Korean restaurants in the food court (not a franchise), and spend the remaining time in the lounge if you have Priority Pass access. Plaza Premium Lounge at Incheon accepts Priority Pass. This beats sitting at the gate by a significant margin.
Myeongdong at Night β The Neon Cart Corridor
Myeongdong’s main street after 6pm β the food carts set up, the neon signs reflect on wet pavement after the afternoon rain, and the crowd density creates a compression of colour and movement that photographs dramatically. Shoot from the far end of the street looking back toward the entrance, with people in the foreground blurred by slow shutter. The satay smoke, the steam from the tteokbokki carts, and the backlit signs are the elements β let them fill the frame.
“43-minute train. This is what was on the other side.” β #EpicLayover #Myeongdong #Seoulayover #streetfood #Korea
Short Stay Hotels
For overnight layovers, the best location depends on your next-morning departure time. Near Incheon: Grand Hyatt Incheon (3 minutes from Terminal 1) or Incheon Airport Transit Hotel airside. Near Seoul Station: convenient for city check-in and the AREX Express, with a range of mid-range options. Near Hongdae or Myeongdong: better if your layover allows a proper evening in the city.
Best for Seoul Station area and Incheon airport hotels
Global coverage, free cancellation on most Seoul properties
Luggage Storage
Incheon has left-luggage facilities in both terminal arrival halls. For city-side storage, Bounce and Stasher have partner locations near major Seoul stations including Seoul Station, Hongdae, and Myeongdong. Book in advance during peak travel seasons.
Layover Experiences β Book in Advance
N Seoul Tower observation tickets and Gyeongbokgung Palace changing guard are both available walk-in, but specific Klook experiences like the AREX Express discounted ticket, Hanbok rental at Bukchon, and half-day tour packages benefit from advance booking β particularly during Korean public holidays when demand spikes.
Connectivity
South Korea has some of the fastest mobile networks in the world. Naver Maps is significantly better than Google Maps in Seoul β download it before you land and it works offline. Kakao T is the ride-hail app (similar to Grab in Southeast Asia). Buy an eSIM before you travel β Korea’s airport SIM kiosks are convenient but priced at a premium. The T-money card (from any convenience store at the airport) covers subway, buses, and taxis β essential if you’re using the All-Stop AREX train or Seoul metro.
Currency & Payments
South Korea uses the Korean Won (KRW). Cards are widely accepted in Seoul β most restaurants, convenience stores (GS25, CU, 7-Eleven), and shops accept international Visa and Mastercard. Street food stalls and traditional markets prefer cash. The T-money transit card is loaded with cash and covers all public transport. Withdraw Won from airport ATMs using Wise or Revolut for near-interbank rates; airport exchange counters are worse. A full day in Seoul on street food and metro travel costs approximately β©30,000β50,000 (US$22β38).
Budget Breakdown
| Item | Budget | Mid-Range | Premium |
|---|---|---|---|
| AREX Express return | β©26,000 (US$20) | β©26,000 (US$20) | β©26,000 (US$20) |
| Metro within Seoul | β©5,000β8,000 | β©5,000β8,000 | β©30,000+ (Kakao T) |
| Food (3 meals/snacks) | β©15,000β25,000 | β©35,000β60,000 | β©100,000+ |
| Entry / attractions | β©3,000 (palace only) | β©25,000β40,000 | β©50,000β80,000 |
| Luggage storage | β©5,000β8,000 | β©5,000β8,000 | β©5,000β8,000 |
| Total estimate (USD) | ~US$38β48 | ~US$72β105 | ~US$160β230 |
Gear for a Seoul Layover
Seoul’s climate varies dramatically by season β from -10Β°C in January to 35Β°C in August. These four items cover the range and the specific demands of a Seoul city day.
Naver Maps, Kakao T for taxis, Klook for ticket barcodes, your boarding pass β all require a working phone in Seoul. The Anker Nano fits in a jacket pocket and charges a phone to full in under an hour. Do not leave the terminal without it charged.
View on Amazon βSeoul is genuinely safe β but Myeongdong at peak hours, Hongdae on a weekend evening, and any crowded market involves close contact and the occasional opportunist. Slash-resistant, lockable zips, front-facing wear. The minimum sensible precaution for a busy city day with your passport on you.
View on Amazon βA long-haul flight followed by a Seoul city day involves a lot of walking β the palace alone is 20+ minutes of walking. Combined with the preceding flight and the next one, compression socks make the difference between legs that recover and legs that don’t. Put them on before the first flight and leave them on.
View on Amazon βFor overnight layovers or long waits at Incheon, the neck pillow is the item that separates functional rest from a stiff neck at cruising altitude. The Ostrichpillow Go holds position rather than perching on the collar β the only version that actually works in an airport chair.
View on Amazon βSafety & Practical Tips
Google Maps is less reliable in Seoul than in most major cities β it works but misses transit details and walking routes that Naver Maps handles correctly. Download Naver Maps before your flight and use it offline. Kakao T is the primary ride-hail app; it works similarly to Grab but requires a Korean phone number for some payment methods. International credit cards work for the in-app payment option.
Gyeongbokgung and other royal palaces allow entry in traditional Hanbok dress for free β rental shops cluster at the main gate charging around β©10,000β20,000 for 2 hours including a traditional headpiece. Worth it for the photographs and a genuine experience of the dress culture. Shoulders and knees should be covered at Buddhist temples.
The last AREX Express train from Seoul Station to Incheon Airport departs approximately 10:50pm. If your flight departs after midnight and you are in the city, check the schedule carefully β you may need the night bus (N6000 or N6001) or a taxi. Night taxis from central Seoul to Incheon cost approximately β©60,000β80,000 and take 60β80 minutes in light traffic.
Weather by Season
Seoul has four distinct seasons β unlike most Southeast Asian layover cities, the weather here varies dramatically by month. Pack accordingly or the season will determine your plan more than you will.
Travel Insurance
South Korea has an excellent public health system but medical care for foreigners without insurance can be expensive. A city excursion with palace stairs, market crowds, and autumn cobblestones introduces a range of standard travel risks. Buy insurance before you fly β the day you book, not the week before.
There is a specific moment that happens at Gyeongbokgung Palace on a clear morning β when the changing of the guard begins and the drummers start before anything else moves, and the sound fills the courtyard and bounces off the 600-year-old walls, and you realise you arrived at this city two hours ago on a train from an airport. You’re still wearing the same clothes you boarded in. Your carry-on is in a locker somewhere. And you are standing inside something very old and very specific to this particular place on earth, listening to something that has been happening here for centuries, and none of it was planned. That’s what the Seoul layover is at its best β the accidental version of a city that rewards showing up.
Plan the Rest of Your Journey
Short Layovers & Missed Connections
What to do when your inbound is late, your connection is tight, and the gate agent is already looking at the clock.
Read the guide βThe Overnight Layover Guide
Transit hotel vs. city hotel vs. airport chair β how to make the right call and what airlines sometimes cover.
Read the guide βTurn Your Layover Into a Stopover
Korean Air has stopover programmes. Seoul rewards the extra days more than almost any other Asian city.
Read the guide βFrequently Asked Questions
Yes β if you have 5 hours or more. The AREX Express train runs non-stop from Incheon Terminal 1 to Seoul Station in 43 minutes (51 minutes from Terminal 2), every 20β40 minutes, from approximately 5am to 10:48pm. You’ll need to clear immigration, which requires visa-free entry or a valid visa for your nationality. Check current South Korea K-ETA and visa requirements using iVisa before you travel β these rules have changed multiple times since 2022.
The AREX Express is the only sensible option for a layover. Follow the orange signs to the basement Transportation Centre. Buy your ticket at the machine (β©13,000, ~US$10) or use a pre-purchased Klook voucher at the same kiosk for a discounted price (~β©11,500). The non-stop Express reaches Seoul Station in 43 minutes from Terminal 1 and 51 minutes from Terminal 2. It runs every 20β40 minutes. Do not take a taxi or bus for the airport leg β Seoul’s road traffic is unpredictable and a 43-minute train can become a 90-minute car journey during peak hours.
The Korea Tourism Organisation runs complimentary guided tour programmes from Incheon for transit passengers with layovers of 5β24 hours. Routes include Gyeongbokgung Palace and Insadong (approximately 5 hours), the DMZ and Aegibong Peace Ecopark (approximately 4 hours), Incheon Chinatown (approximately 3 hours), and a Seoul Botanic Park circuit. Tours are free β you pay only personal expenses for food and shopping. Register at the Transit Tour desk in the Arrival Hall between Gates 5 and 6, or at the Korea Tourism Organisation information centre. Available in English. These tours are one of the most underused resources in Asian aviation and most travellers who qualify for them never find them.
Yes β it is the highest-value use of a 5β7 hour Seoul layover. Entry is β©3,000, the changing of the guard ceremony runs hourly from 10am to 4pm, the main courtyard and throne hall can be seen in 60β90 minutes, and the adjacent Bukchon Hanok Village adds 30β45 minutes if you walk north from the palace exit. Take metro Line 3 from Seoul Station directly to Gyeongbokgung Station β 4 stops, approximately 10 minutes, no transfer required.
The K-ETA (Korea Electronic Travel Authorisation) is South Korea’s advance entry registration β similar in concept to the US ESTA. Requirements for the K-ETA have changed multiple times since its introduction in 2021 and were suspended for certain nationalities in 2023β2024. Current requirements depend on your passport nationality and the duration of your intended stay. Check the official Korea Immigration Service portal or iVisa for your specific situation before you travel. Do not assume your previous trip qualifications still apply β the rules have genuinely shifted.
The three most distinctly Korean and genuinely excellent options for a layover: bindaetteok (mung bean pancake) from Gwangjang Market, tteokbokki from any Myeongdong street cart, and bibimbap in a dolsot stone bowl at a restaurant near the palace. The entire spread costs approximately β©20,000β30,000 (US$15β22). If you’re at the airport with under 5 hours, the Korean restaurants in the Terminal 1 food court serve proper jjigae and bibimbap at slightly elevated airport prices β significantly better than any of the franchise options.
South Korea is considered one of the safest countries in Asia for solo women travellers. Seoul specifically has very low rates of violent crime, well-lit public spaces, reliable public transport with designated women-only subway cars during rush hour, and the AREX Express is staffed and monitored throughout its service hours. The main precautions are the same as any major city: keep your bag secure in crowded areas like Myeongdong and Hongdae, use Kakao T rather than hailing street taxis, and tell someone your rough itinerary if you’re going out after midnight. The free government transit tours from Incheon are a particularly good option for first-time solo visitors with shorter layovers.
Seoul has four genuine seasons. Spring (MarchβMay): mild, 10β20Β°C, cherry blossoms in April β one of the best times for a palace and park layover. Summer (JuneβAugust): hot and humid, 25β35Β°C with a monsoon season in JulyβAugust. Autumn (SeptemberβNovember): crisp and clear, 10β20Β°C, the best weather for outdoor exploration. Winter (DecemberβFebruary): cold, -5 to 5Β°C with occasional snow β palace grounds are beautiful but you need proper layers. Incheon’s proximity to the coast means it’s slightly warmer than central Seoul in winter and slightly cooler in summer.
