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
07 Dec Frontier Airlines
06 Dec Frontier Airlines
01 Dec Frontier Airlines
27 Dec Frontier Airlines
31 Dec Southern Airways Express
25 Dec Air Canada
26 Dec Volaris El Salvador
28 Dec Air Canada
14 Dec TAP

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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