Know Before You Go: Transit Visas & Entry Rules | EpicLayover
Updated March 2026 🛂 Transit visas & entry rules 🌍 All passport types covered ⚠️ Always verify before you fly
Know Before You Go

Entry Rules & Transit Visas — Don’t Get Caught Off Guard

A lot of travelers assume they can just land and walk out of the airport. Sometimes that’s true. Sometimes it’s not — and finding out the hard way means a missed flight, a denied boarding, or getting sent straight back home. This guide covers what you actually need to check.

🛂 Transit vs. tourist visas
🌍 Passport-specific rules
📋 Re-entry & complex routes
⚡ Visa-on-arrival countries
What’s in this guide
  • ✅ Transit vs. tourist visa explained
  • ✅ TWOV — what it means for you
  • ✅ Common passport situations
  • ✅ Re-entry & complex routing rules
  • ✅ Top mistakes travelers make
  • ✅ Tools to check your status fast
⚠️
Always verify with official sources before you travel. Visa rules change frequently and vary by passport, route, and airline. This guide gives you the framework to understand what to look for — but the final check should always be the embassy website or a verified visa tool like iVisa or Sherpa.
First Question

Are You Staying in the Airport or Leaving?

This one question determines almost everything about what documents you need. The rules for staying airside are often completely different from the rules for stepping into the country — even for a few hours.

🏠
Staying Airside
You never clear immigration. Rules are simpler — but a transit visa may still be required for some passports.
🚶
Leaving the Airport
You clear immigration and enter the country. Full entry or tourist visa rules apply — check your passport carefully.
🔄
Changing Terminals
Depends on the airport. Some airports require you to clear immigration just to change terminals — always check in advance.
The Basics

Four Things Every Traveler Needs to Understand

Most border problems come down to one of four things. Get your head around these and you’ll know exactly what to look up for your specific passport and route.

Concept 1

Transit Visa vs. Tourist Visa

A transit visa allows you to pass through a country on your way to somewhere else — usually for a limited window, often 24–72 hours. A tourist visa (or entry visa) is what you need if you’re actually entering the country, even briefly.

They’re issued separately, they cost different amounts, and the requirements vary by passport. Many travelers assume their tourist visa covers a transit stop — it usually doesn’t work the other way around either.

Example: A Brazilian passport holder transiting through the UK needs a Direct Airside Transit Visa (DATV) even if they never leave the airport — just because they’re changing planes there.
Concept 2

TWOV — Transit Without Visa

TWOV (Transit Without Visa) is a policy some countries offer that lets certain passport holders transit through the airport — staying airside — without needing a visa at all. Whether you qualify depends on your passport, your destination country, and sometimes even your onward airline.

TWOV policies get updated regularly, sometimes with very little public notice. A policy that existed six months ago might not apply today — which is exactly why you should check right before you fly, not just when you book.

Example: Many countries allow US, EU, and UK passport holders to transit without a visa. Holders of certain other passports may need to apply even for a brief airside stop.
Concept 3

Re-entry Rules & Prior Visits

Some countries have rules that restrict re-entry based on how recently you visited, or how long you’ve spent there within a rolling period. This catches a lot of frequent travelers off guard — especially people doing multi-leg trips that pass through the same country twice.

The Schengen Area in Europe is a common one: you get 90 days within any 180-day period across all Schengen countries combined, not per country. Overstaying or miscounting can result in denied boarding or entry bans.

Example: If you flew Amsterdam → New York → Amsterdam within 180 days, both legs count against your Schengen allowance — even if the layover was only a few hours each time.
Concept 4

Visa on Arrival & eVisa

A Visa on Arrival (VOA) is exactly what it sounds like — you get the visa stamp when you land, not before. A handful of countries offer this for transit too. It’s convenient but there are usually limits on duration, purpose, and eligibility by passport.

An eVisa is applied for online before travel and approved electronically — no embassy visit, no sticker in your passport. Processing times vary from minutes to several weeks, so don’t leave it until the day before.

Example: Turkey offers an eVisa that takes about five minutes to apply for online and is approved almost instantly for most eligible passports. Apply before you leave — not at the airport.
Passport Situations

How It Typically Works by Passport

Rules vary a lot depending on where your passport is from. These are general patterns — not guarantees. Always verify for your specific route and destination.

🇺🇸
US Passport
Generally strong travel access
EuropeVisa-free up to 90 days (Schengen)
UKVisa-free for tourism, ETA now required
China144-hr transit visa-free in select cities
BrazilVisa-free for tourism
RussiaCheck current status — rules have changed
🇬🇧
UK Passport
Post-Brexit rules apply to EU travel
Europe90/180-day Schengen rule applies post-Brexit
USESTA required — apply online before flying
AustraliaeVisitor visa — free, apply online
UAEVisa-free for 30 days on arrival
IndiaeVisa required — apply several days ahead
🇮🇳
Indian Passport
Requires pre-planning for most routes
UKTransit visa required even airside
SchengenVisa required for most countries
UAEVisa-free for 30 days on arrival
SingaporeVisa-free up to 30 days (check conditions)
MalaysiaVisa-free up to 30 days
🇵🇭
Philippine Passport
Advance planning essential for most routes
USVisa required — apply well in advance
EuropeSchengen visa required
JapanVisa-free up to 30 days
UAEVisa-free for 30 days on arrival
South KoreaVisa-free up to 30 days
What Goes Wrong

The Most Common Entry Mistakes Travelers Make

These aren’t rare edge cases. These are the situations that come up again and again — and they’re almost always avoidable with a bit of prep.

01
Assuming “transit” means no documentation needed
Some passengers believe that because they’re not entering the country, they don’t need any documentation beyond their boarding pass. In reality, many countries require a transit visa even for passengers who never leave the airside zone — especially if your passport is from a country on their restricted list.
02
Not checking if terminal changes require immigration
At some airports — including certain US hubs — connecting passengers must clear customs and re-check bags even if their final destination is elsewhere. This means you technically “enter” the country, which triggers full entry requirements. Don’t assume a connection is airside-only without checking.
03
Leaving the eVisa or ESTA too late
Electronic travel authorizations feel instant — and sometimes they are. But approvals can be delayed for additional security checks, and some eVisas take several business days to process. Applying the morning of your flight is a gamble that doesn’t always pay off.
04
Miscounting Schengen days on multi-leg trips
The Schengen 90/180-day rule catches a lot of frequent travelers. Every hour you spend in any Schengen country counts — including layovers where you cleared immigration. Keep track of your days if you’re doing multiple European trips within a rolling six-month window.
05
Using outdated information from travel forums
Visa rules change — sometimes with very little public notice. A Reddit post from two years ago or a blog article that hasn’t been updated is not a reliable source. Always cross-check with the embassy website or a live visa tool like iVisa or Sherpa before you travel.
Recommended Tools

Check Your Visa Status Before You Book

These two tools are the fastest way to get an accurate read on what you need for your specific passport and route. Use them before you buy the ticket — not after.

🛂
Visa Checker + Application
iVisa
Enter your passport and destination and iVisa tells you exactly what you need — and handles the application for you if a visa is required. Fast, clear, and covers most countries. Good for eVisas, VOAs, and travel authorizations.
Check with iVisa →
🌍
Entry Requirements Tool
Sherpa
Sherpa pulls live entry requirements for your passport and route — health requirements, transit rules, and what documents to carry. Especially handy if you have multiple stops, since each leg can have completely different rules.
Check with Sherpa →
More Resources

Plan the Rest of Your Layover

Once you’ve got your entry requirements sorted, these tools help you plan what to do with your time.

Layover Calculator
Find out how much usable time you actually have after transit and re-entry buffers.
Open Calculator →
City Layover Checklist
Everything to check before you leave the terminal — visa, timing, gear, and transit.
View Checklist →
Layover Essentials
The gear and apps that keep layovers smooth — from eSIMs to travel wallets.
See Essentials →
Travel Advisory Directory
Official government travel advisories for every destination — US, UK, Canada, Australia and more.
Check Advisories →

Not Sure What You Need? Check It Now.

Don’t leave this until the airport. Five minutes with iVisa or Sherpa before you book can save you from a denied boarding — or worse, a flight home you didn’t plan for.

Check with iVisa Check with Sherpa

Disclaimer: This content is for informational purposes only and does not constitute legal, financial, or insurance advice. Some links on this page may be affiliate links, meaning we may earn a commission if you purchase through them — at no extra cost to you. Always review full policy terms before purchasing.