Cheapest return flights from Seattle to Bangkok in January from $745

Best time to book flights for Seattle (SEA) to Bangkok (BKK) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Bangkok (BKK) in January 2025 (see full year).

Return flights

22 Jan - 19 Feb Philippine Airlines
29 Jan - 12 Feb Philippine Airlines
15 Jan - 15 Feb Philippine Airlines
15 Jan - 14 Feb Philippine Airlines
29 Jan - 13 Feb Philippine Airlines
31 Jan - 14 Feb Philippine Airlines
20 Jan - 20 Feb China Airlines
13 Jan - 17 Feb China Airlines
13 Jan - 13 Feb China Airlines
13 Jan - 23 Jan China Airlines
21 Jan - 30 Jan China Airlines
07 Jan - 25 Jan China Airlines
01 Jan - 21 Jan China Airlines
10 Jan - 26 Jan China Airlines
05 Jan - 31 Jan Philippine Airlines
11 Jan - 25 Jan STARLUX Airlines
30 Jan - 13 Feb EVA Air
01 Jan - 22 Jan China Airlines
06 Jan - 12 Jan China Airlines
03 Jan - 25 Jan China Airlines

Also check the deals for one-way flights from Seattle to Bangkok in January.

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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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