Cheapest one-way flights from Washington to Bangkok in January from $359

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

One-Way flights

27 Jan Frontier Airlines
21 Jan Frontier Airlines
13 Jan Hawaiian Airlines
14 Jan Frontier Airlines
28 Jan jetBlue
06 Jan jetBlue
07 Jan Alaska Airlines
30 Jan Delta
04 Jan jetBlue
01 Jan Alaska Airlines

Also check the deals for return flights from Washington 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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