Cheapest one-way flights from Washington to Tokyo in September from $419

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

One-Way flights

17 Sep Hawaiian Airlines
07 Sep Alaska Airlines
22 Sep Alaska Airlines
27 Sep Hawaiian Airlines
08 Sep Air Canada
02 Sep Air Canada
24 Sep Air Canada
23 Sep Air Canada
04 Sep Air Canada
25 Sep Air Canada

Also check the deals for return 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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