Cheapest return flights from Washington to Tokyo in September from $813

Best time to book flights for Washington (IAD) to Tokyo (NRT) flights at AirHint

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

Return flights

08 Sep - 18 Sep Air Canada
15 Sep - 19 Sep Air Canada
24 Sep - 15 Oct Air Canada
30 Sep - 07 Oct Air Canada
16 Sep - 20 Sep Air Canada
15 Sep - 20 Sep Air Canada
25 Sep - 30 Sep Air Canada
20 Sep - 28 Sep Air Canada
13 Sep - 27 Sep Air Canada
19 Sep - 28 Sep Air Canada
26 Sep - 05 Oct Air Canada
05 Sep - 14 Sep Air Canada
02 Sep - 10 Sep Alaska Airlines

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

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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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