Cheap flights from Seattle to Bangkok
Cheapest current fares: $398 in August 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Seattle (SEA) to Bangkok (BKK). Refreshed daily.
Seattle (SEA) → Bangkok (BKK)
- August 2026 $398
Frequently asked questions
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What is the cheapest month to fly from Seattle to Bangkok?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Seattle (SEA) to Bangkok (BKK), with fares starting from $398.
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What is the lowest current fare from SEA to BKK?
The lowest currently-listed fare from Seattle (SEA) to Bangkok (BKK) is $398 on 2026-08-07.
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Is there a direct flight from Seattle to Bangkok?
There is currently no non-stop service from SEA to BKK. Most travellers connect through a hub airport. See our route page for current stopover options.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.