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

Return flights

15 Jan - 30 Jan	Alaska Airlines
16 Jan - 22 Jan	Alaska Airlines
14 Jan - 22 Jan	Alaska Airlines
15 Jan - 23 Jan	Alaska Airlines
14 Jan - 21 Jan	Air Canada
16 Jan - 19 Jan	Alaska Airlines
02 Jan - 17 Jan	Air Canada
05 Jan - 16 Jan	Japan Airlines
21 Jan - 31 Jan	Japan Airlines

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

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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Cheapest return flights from Washington to Tokyo in January from $1129

Return flights