Cheapest one-way flights from Washington to Tokyo in September from $561

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

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

One-Way flights

02 Sep Alaska Airlines
01 Sep Sun Country Airlines
23 Sep Alaska Airlines
05 Sep Alaska Airlines
07 Sep Alaska Airlines
26 Sep Alaska Airlines
10 Sep Alaska Airlines
08 Sep Air Canada
09 Sep ANA direct
01 Sep ANA direct

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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