Check whether you need a transit visa for an airport connection based on your passport, transit airport, and connection type.
Based on immigration rules for major global transit hubs and airport connection policies.
An airport transit visa (ATV) or Direct Airside Transit Visa (DATV) is a document that certain passport holders must obtain before they are permitted to connect between flights at airports in countries that require one — even if they never leave the international sterile zone and never formally enter the country. The UK, Canada, and most Schengen member states maintain a list of nationalities that require a DATV for airside transit. Airlines enforce this requirement at the departure airport: if you lack a required transit document, you will be denied boarding before your journey even begins.
Self-transfer means you have booked two separate tickets and must collect your checked bags, clear customs, and re-check in on the second ticket yourself. Unlike a protected connection on a single booking — where the airline transfers your bags and you remain airside — self-transfer almost always requires passing through immigration at the transit airport. If your passport requires a visa to enter that country (even for a short stay), you need to hold it. Travelers from India, Pakistan, Nigeria, and many other passport nationalities face this barrier particularly at UK, Schengen, and Canadian airports. The savings from booking separate tickets can be immediately lost if you need to obtain an expensive transit visa.
Large airports often have multiple terminals. At airports where terminals are connected by an airside corridor — like Dubai (DXB), Singapore (SIN), or Tokyo Narita (NRT) — you can move between them without clearing immigration. But at airports where terminals are not connected airside — including some terminal pairs at London Heathrow, Frankfurt, and Paris CDG — you must exit the sterile zone, take a bus or train, and re-enter through security. For passport holders who require a transit visa or entry visa for that country, this terminal change creates a mandatory immigration requirement. Always confirm with your airline whether your specific terminal-to-terminal connection is fully airside.
Airside transit means you remain entirely within the international departure area of the airport. You pass security once at your origin, and the next interaction with immigration is at your final destination. Landside transit means exiting through immigration at the transit airport, entering the country (even briefly), and then re-joining departures. This distinction is the key variable in transit visa logic. Many passport holders are permitted airside transit without any visa but cannot transit landside without a full entry visa. The UAE, Qatar, Turkey, and Singapore are considered among the most open transit hubs because they allow landside transit for most nationalities without a visa (or with a free or inexpensive visa on arrival), whereas the UK, Schengen airports, and Canada maintain restrictive DATV and transit visa requirements.
The Transit Visa Checker evaluates four risk factors for your airport connection: whether your passport requires an Airside Transit Visa (ATV/DATV), whether your trip details (self-transfer, terminal change, or leaving the airport) trigger an immigration requirement, whether a full transit visa is needed, and whether exemptions from qualifying visas or permits may apply.
Results are marked as No transit visa needed, Transit visa may be needed, or Transit visa likely required. The tool also provides a confidence rating — High, Medium, or Limited — based on the quality and completeness of our MVP dataset for that specific combination.
Current MVP coverage includes: United Kingdom, Germany, France, Netherlands, UAE, Singapore, Japan, South Korea, Qatar, Turkey, Saudi Arabia, China, and Canada. Passport coverage varies by transit country. For broader visa coverage, visit our visa guides or the Airline Boarding Check for a full pre-flight assessment.