Cheapest one-way flights from Washington to Tokyo in December from $622

AirHint found the following cheapest one-way flights from Washington (IAD) to Tokyo (HND) in December 2025 (see full year).

One-Way flights

01 Dec Air Canada
30 Dec Frontier Airlines
05 Dec Air Canada
04 Dec Air Canada
29 Dec United
28 Dec United
28 Dec ANA direct
08 Dec ANA direct
30 Dec ANA direct
29 Dec United direct

Also check the deals for return flights from Washington to Tokyo in December.

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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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