The cheapest flight on the results page often hides a catch: a connection in a country whose transit rules you have never read. Some hubs let you wait airside with no paperwork at all, and others want a transit visa before you are allowed to board the first flight. Our new Transit Visa Checker answers that one question before you book, not at the check-in desk.
What the checker asks
Four inputs, nothing more. Your passport, and the country you are connecting through, chosen from 16 hub countries: the United States, the United Kingdom, Germany, France, the Netherlands, Spain, Italy, Canada, the United Arab Emirates, Qatar, Turkey, Singapore, China, Japan, India, and Australia. Between them, those hubs cover 199 passports. Then two yes or no questions do the heavy lifting.
- Do you hold a valid visa or residence permit for the United States, the United Kingdom, Canada, or a Schengen country? Those documents quietly exempt travelers from many transit visa rules, and they are the reason two people on the same flight can get different answers.
- Will you leave the transit area, change terminals, or recheck your bags? Staying airside and stepping landside are different legal events, and the moment you pass immigration, entry rules apply to you in full.
Two routes, two different answers
Run an Indian passport connecting at London Heathrow, staying airside, with no qualifying visa or residence permit, and the verdict is plain: a Direct Airside Transit Visa is required, because India sits on the United Kingdom's list for that visa. Tick yes to holding a United States visa and the same route comes back exempt, which is exactly why the checker asks instead of assuming. Run a Bangladeshi passport connecting at Doha instead and the answer flips completely: no transit visa needed. Same tool, same four inputs, opposite outcomes, and the reason printed on the card either way.
When to run it
Run it before you pay, while the itinerary is still easy to change. A connection that needs a transit visa is not a disaster; it is a scheduling fact, and it is far cheaper to learn it while you can still pick a different hub or leave yourself time to apply. Run it again if your plans change: a new connection city, a longer layover, or a separate ticket that forces you to collect and recheck your bags can all move the answer. And if you are booking for a family or a group, run it once for each passport in the party, because the verdict follows the traveler, not the booking.
Where the rules come from
Every rule in the checker is taken from an official source: government and European Union pages that publish the transit lists and exemption rules. Each verdict links to the source it came from, so you can read the rule itself rather than trust a summary of it. If a government changes its list, the source page is where the change shows up first, and it is one click from your result.
What the checker will not do
Some hubs refuse to fit a yes or no box. Canada runs a transit without visa program with airline and airport conditions attached. Singapore, China, and Japan each attach their own conditions to visa-free transit. For those, the checker answers "depends on conditions" and prints the conditions, instead of rounding a maybe down to a no. If your passport and hub pair is not covered, it says that too, plainly, rather than guessing. And it is a guide, not a guarantee: airlines verify requirements in Timatic before boarding, and the IATA Travel Centre runs on that same data. A check takes seconds, the first two checks each day are free, and the worked examples on the page are always free.
Check your connection before the airline does it for you: open the Transit Visa Checker. Prefer to learn the rules by breaking them safely first? Layover Gauntlet, our free game, teaches the same principles one risky choice at a time, and our written guide to transit visa rules that ruin layovers covers the overflight problem in full.