Cheapest one-way flights from Seattle to Bangkok in February from $283

AirHint found the following cheapest one-way flights from Seattle (SEA) to Bangkok (BKK) in February 2026 (see full year).

One-Way flights

08 Feb Singapore Airlines
10 Feb Singapore Airlines
06 Feb Singapore Airlines
26 Feb Singapore Airlines
24 Feb Singapore Airlines
19 Feb Singapore Airlines
13 Feb Singapore Airlines
03 Feb Singapore Airlines
04 Feb Philippine Airlines
25 Feb Philippine Airlines

Also check the deals for return flights from Seattle to Bangkok in February.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Feel free to contact us with any feedback or request another flight research.