Cheapest return flights from Washington to Tokyo in September from $766

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

Return flights

04 Sep - 18 Sep Frontier Airlines
08 Sep - 26 Sep Frontier Airlines
11 Sep - 16 Sep Frontier Airlines
09 Sep - 25 Sep Frontier Airlines
14 Sep - 21 Sep Frontier Airlines
13 Sep - 21 Sep Frontier Airlines
14 Sep - 22 Sep Frontier Airlines
09 Sep - 12 Sep Frontier Airlines
18 Sep - 28 Sep Frontier Airlines
12 Sep - 24 Sep Frontier Airlines
20 Sep - 03 Oct Frontier Airlines
16 Sep - 15 Oct Frontier Airlines
22 Sep - 03 Oct Frontier Airlines
30 Sep - 10 Oct Air Canada
28 Sep - 10 Oct Air Canada
20 Sep - 06 Oct Frontier Airlines
07 Sep - 05 Oct Frontier Airlines
08 Sep - 03 Oct Frontier Airlines
26 Sep - 03 Oct Air Canada
28 Sep - 05 Oct Air Canada

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

Skyscanner

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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