Cheapest one-way flights from Washington to Tokyo in September from $594

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

08 Sep Southern Airways Express
09 Sep Southern Airways Express
28 Sep Alaska Airlines
18 Sep Hawaiian Airlines
05 Sep Air India
30 Sep Air Canada
08 Sep ANA direct
28 Sep ANA direct
09 Sep ANA direct
30 Sep United 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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