Cheapest one-way flights from Washington to Tokyo in January from $378

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

One-Way flights

21 Jan Hawaiian Airlines
12 Jan Frontier Airlines
10 Jan Frontier Airlines
25 Jan Hawaiian Airlines
27 Jan Hawaiian Airlines
09 Jan Hawaiian Airlines
06 Jan Hawaiian Airlines
20 Jan Hawaiian Airlines
08 Jan Hawaiian Airlines
14 Jan Air Canada

Also check the deals for return flights from Washington to Tokyo 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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