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

Return flights

08 Dec - 18 Dec	Air Canada
01 Dec - 10 Dec	Air Canada
05 Dec - 17 Dec	Air Canada
05 Dec - 19 Jan	Air Canada
05 Dec - 13 Dec	Air Canada
08 Dec - 12 Dec	Air Canada
27 Dec - 30 Dec	Air Canada
10 Dec - 24 Dec	Air Canada
25 Dec - 08 Jan	Air Canada
25 Dec - 06 Jan	Air Canada
24 Dec - 01 Jan	Air Canada
20 Dec - 25 Dec	Air Canada
24 Dec - 31 Dec	Air Canada
13 Dec - 24 Dec	Air Canada
25 Dec - 01 Jan	Air Canada
24 Dec - 11 Jan	Air Canada
18 Dec - 15 Jan	Air Canada
21 Dec - 10 Jan	Air Canada
25 Dec - 11 Jan	Air Canada
07 Dec - 04 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 $802

Return flights