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

Return flights

12 Jan - 19 Jan	Air Canada
14 Jan - 21 Jan	Air Canada
08 Jan - 15 Jan	Air Canada
09 Jan - 16 Jan	Air Canada
11 Jan - 18 Jan	Air Canada
18 Jan - 28 Jan	Air Canada
26 Jan - 30 Jan	Air Canada
28 Jan - 04 Feb	Air Canada
18 Jan - 22 Jan	Air Canada
21 Jan - 28 Jan	Air Canada
13 Jan - 23 Jan	Air Canada
31 Jan - 11 Feb	Air Canada
30 Jan - 11 Feb	Air Canada
29 Jan - 20 Feb	Air Canada
23 Jan - 02 Feb	Air China
29 Jan - 21 Feb	Air Canada
22 Jan - 08 Feb	Air Canada
24 Jan - 07 Feb	Hawaiian Airlines
30 Jan - 14 Feb	United
22 Jan - 01 Feb	United

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 839€

Return flights