AirHint found the following cheapest return flights from Washington (IAD) to Tokyo (HND) in September 2026 (see full year).

Return flights

08 Sep - 22 Sep	ANA	direct
09 Sep - 30 Sep	ANA	direct
23 Sep - 07 Oct	ANA	direct
19 Sep - 02 Oct	ANA
02 Sep - 12 Sep	ANA	direct
07 Sep - 11 Sep	Air Canada
16 Sep - 23 Sep	Air Canada
16 Sep - 23 Sep	ANA	direct
13 Sep - 28 Sep	ANA	direct
19 Sep - 02 Oct	ANA	direct
23 Sep - 03 Oct	ANA	direct
13 Sep - 20 Sep	Air Canada
03 Sep - 10 Sep	Air Canada
07 Sep - 13 Sep	Air Canada

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 $945

Return flights