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

Return flights

02 Dec - 09 Dec	Frontier Airlines
02 Dec - 16 Dec	Hawaiian Airlines
01 Dec - 08 Dec	Japan Airlines
03 Dec - 10 Dec	Air Canada
04 Dec - 08 Dec	Frontier Airlines
01 Dec - 05 Dec	Air Canada
03 Dec - 15 Dec	Air Canada
06 Dec - 09 Dec	Air Canada
15 Dec - 19 Jan	Frontier Airlines
16 Dec - 26 Dec	Air Canada
25 Dec - 19 Jan	Air Canada
15 Dec - 15 Jan	Frontier Airlines
16 Dec - 19 Jan	Air Canada
16 Dec - 16 Jan	Hawaiian Airlines
14 Dec - 17 Jan	Air Canada
14 Dec - 18 Jan	Air Canada
27 Dec - 12 Jan	Air Canada
03 Dec - 11 Dec	WestJet
28 Dec - 10 Jan	Hawaiian Airlines
17 Dec - 18 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 726€

Return flights