Cheapest one-way flights from Washington to Tokyo in October from $391

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

One-Way flights

02 Oct Frontier Airlines
04 Oct Frontier Airlines
03 Oct Frontier Airlines
25 Oct Alaska Airlines
08 Oct Hawaiian Airlines
01 Oct Hawaiian Airlines
27 Oct Porter Airlines (Canada) Ltd
20 Oct Frontier Airlines
22 Oct Porter Airlines (Canada) Ltd
10 Oct WestJet

Also check the deals for return flights from Washington to Tokyo in October.

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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