Cheapest one-way flights from Washington to Tokyo in September from $546

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

One-Way flights

07 Sep Porter Airlines (Canada) Ltd
21 Sep Sun Country Airlines
18 Sep Hawaiian Airlines
27 Sep Frontier Airlines
24 Sep Alaska Airlines
10 Sep Alaska Airlines
01 Sep Air Canada
05 Sep Air Canada
04 Sep Air Canada
26 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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