Cheapest return flights from Seattle (SEA) to Bangkok (BKK), October

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
01 Oct 19 Oct Singapore Airlines
15 Oct 22 Oct Singapore Airlines
01 Oct 15 Oct Singapore Airlines
22 Oct 19 Nov Singapore Airlines
15 Oct 29 Oct Singapore Airlines
08 Oct 17 Oct Singapore Airlines
01 Oct 16 Oct Singapore Airlines
01 Oct 17 Oct Singapore Airlines
01 Oct 20 Oct Singapore Airlines
20 Oct 16 Nov Philippine Airlines
11 Oct 12 Nov Singapore Airlines
02 Oct 09 Oct Singapore Airlines
26 Oct 09 Nov Korean Air
01 Oct 18 Oct Korean Air
28 Oct 09 Nov Korean Air
07 Oct 07 Nov ANA
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deals for one-way flights from Seattle to Bangkok in October.

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Updated Jul 5, 2026.

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