AirHint found the following cheapest return flights from Washington (DCA) to Tokyo (NRT) in December 2025 (see full year).

Return flights

06 Dec - 14 Dec	Frontier Airlines
06 Dec - 13 Dec	Frontier Airlines
06 Dec - 15 Dec	Frontier Airlines
08 Dec - 15 Dec	Frontier Airlines
06 Dec - 20 Dec	Frontier Airlines
04 Dec - 15 Dec	Frontier Airlines
06 Dec - 16 Dec	Frontier Airlines
06 Dec - 21 Dec	Frontier Airlines
06 Dec - 17 Dec	Frontier Airlines
05 Dec - 11 Dec	Frontier Airlines
08 Dec - 18 Jan	Air Canada
29 Dec - 14 Jan	Air Canada
25 Dec - 14 Jan	Air Canada
29 Dec - 12 Jan	Air Canada
24 Dec - 17 Jan	Air Canada
31 Dec - 11 Jan	Japan Airlines
30 Dec - 11 Jan	Japan Airlines
29 Dec - 11 Jan	Japan Airlines
28 Dec - 10 Jan	United
23 Dec - 17 Jan	Air Canada

Also check the deals for one-way flights from Washington to Tokyo in December.

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 December from $870

Return flights