Get to all gates: The A, B, C, and D Concourses are all connected and you can walk or take the train to any of those four. To get to the N and S Concourses, you'll have to take SEA Underground since they're not connected to other gates.
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All passengers must be interviewed by U.S. Customs and Border Protection (CBP) and claim all checked luggage before being allowed to enter the U.S. including connecting travelers.
SEA has 103 gates in four concourses and two satellite buildings. The two satellite terminal buildings, named the North and South Satellites, are connected to the four concourses in the main terminal by a three-line automated people mover system called the SEA Underground.
You will need to reclear TSA security once you arrive in your departure terminal. For international arriving passengers, you must claim all checked bags at Customs and recheck with your departing airline, even if the bags are checked to your final destination! To learn more about the AirTrain system, click here.
Seattle-Tacoma International Airport—more commonly called SeaTac Airport or even just SeaTac—is the main travel hub for the Pacific Northwest and one of the 20 busiest airports in the U.S.1? Despite that business, SeaTac is relatively easy to get around, and has plenty of shops and restaurants to make sure you're not ...
Allowing yourself at least a 60-minute layover for domestic flights and a two-hour layover time for international flights can often be a much more comfortable and stress-free journey than booking a flight with a very tight connection.
The recommended layover time for international flights is generally longer, as you will have to go through customs and immigration before boarding your next flight. In most cases, a 30-minute layover for domestic flights and an hour for international flights is considered a minimum, or short, layover.
The recommended layover time for international flights is generally longer, as you will have to go through customs and immigration before boarding your next flight. In most cases, a 30-minute layover for domestic flights and an hour for international flights is considered a minimum, or short, layover.
If you missed your connecting flight due to a short layover, the airline will book you on the next flight free of charge as long as the connecting flight is part of the same ticket.