Cheapest one-way flights from Washington to Tokyo in December from $344

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

One-Way flights

08 Dec Frontier Airlines
27 Dec Frontier Airlines
02 Dec Air New Zealand
31 Dec Southern Airways Express
25 Dec Air Canada
28 Dec Air Canada
14 Dec TAP
15 Dec Air Canada
21 Dec Frontier Airlines
13 Dec Air Canada

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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