Cheapest return flights from Washington to Bangkok in January from $865

AirHint found the following cheapest return flights from Washington (DCA) to Bangkok (BKK) in January 2026 (see full year).

Return flights

20 Jan - 26 Jan China Airlines
19 Jan - 30 Jan China Airlines
12 Jan - 27 Jan China Airlines
30 Jan - 06 Feb China Airlines
31 Jan - 07 Feb China Airlines
24 Jan - 18 Feb China Airlines
28 Jan - 11 Feb China Airlines
28 Jan - 13 Feb Frontier Airlines
14 Jan - 04 Feb Korean Air
24 Jan - 31 Jan China Airlines
13 Jan - 23 Jan Hawaiian Airlines
12 Jan - 25 Jan China Airlines
13 Jan - 20 Jan China Airlines
27 Jan - 12 Feb China Airlines
15 Jan - 26 Jan China Airlines
28 Jan - 28 Feb China Airlines
17 Jan - 24 Jan China Airlines
23 Jan - 06 Feb Frontier Airlines
17 Jan - 14 Feb China Airlines
07 Jan - 21 Jan Frontier Airlines

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

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