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

Return flights

01 Dec - 08 Dec	Air Canada
02 Dec - 09 Dec	Air Canada
30 Dec - 22 Jan	Air Canada
08 Dec - 15 Dec	Air Canada
30 Dec - 14 Jan	Air Canada
02 Dec - 10 Dec	WestJet
22 Dec - 12 Jan	Air Canada
27 Dec - 09 Jan	Air Canada
22 Dec - 11 Jan	Air Canada
22 Dec - 10 Jan	Air Canada
29 Dec - 07 Jan	Air Canada
22 Dec - 09 Jan	Air Canada
19 Dec - 01 Jan	Air Canada
22 Dec - 05 Jan	Air Canada
24 Dec - 31 Dec	Air Canada
23 Dec - 30 Dec	Qatar Airways
15 Dec - 27 Dec	Emirates

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 749€

Return flights