Cheapest one-way flights from Seattle to Bangkok in January from 273€

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

One-Way flights

29 Jan Singapore Airlines
27 Jan Singapore Airlines
30 Jan Singapore Airlines
28 Jan Philippine Airlines
08 Jan Philippine Airlines
31 Jan Singapore Airlines
26 Jan Asiana Airlines
04 Jan Asiana Airlines
03 Jan Asiana Airlines
07 Jan China Airlines

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

Skyscanner

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.

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