Cheap flights from Bangkok, Thailand
to Seattle, WA
Flights starting at £546. Choose between Alaska Airlines, United Airlines, or Vietnam Airlines to find the best price.

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Tips to know when travelling to Seattle
Cheapest one-way trip | £592 |
---|---|
Cheapest nonstop round-trip | £1213 |
Cheapest round-trip | £1063 |
Average round-trip | £1274 |
Includes rare itinerary | Travel hack |
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Check-in for a flight from Bangkok to Seattle
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
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Alaska Airlines | ASA | AS | Yes | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Vietnam Airlines | HVN | VN | Yes | No |
Thai AirAsia | AIQ | FD | Yes | 0 0 |
Delta Air Lines | DAL | DL | Yes | Opens 24 days before flight Closes 1 hours before flight |
United States COVID-19 travel restrictions

Most travelers from Thailand can enter Seattle, SEA, but there are restrictions.
Departure
Travel restrictions |
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Visa requirements |
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Return
Visa requirements |
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Forms and documents |
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Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
Frequently asked questions
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