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

Return flights

16 Sep - 26 Sep	Air Canada
13 Sep - 27 Sep	Air Canada
02 Sep - 16 Sep	Air Canada
10 Sep - 24 Sep	Air Canada
16 Sep - 15 Oct	Air Canada
09 Sep - 16 Sep	Hawaiian Airlines
09 Sep - 25 Sep	Hawaiian Airlines
10 Sep - 23 Sep	Hawaiian Airlines
03 Sep - 16 Sep	Hawaiian Airlines
08 Sep - 15 Sep	Air Canada
14 Sep - 22 Sep	Hawaiian Airlines
22 Sep - 03 Oct	Hawaiian Airlines
27 Sep - 11 Oct	Air Canada
26 Sep - 03 Oct	Hawaiian Airlines
13 Sep - 04 Oct	Air Canada
28 Sep - 05 Oct	Air Canada
29 Sep - 11 Oct	Emirates

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

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 September from 785€

Return flights