Cheapest one-way SEA–NRT flights, September

AirHint found the following cheapest one-way flights from Seattle (SEA) to Tokyo (NRT) in September 2026 (see full year).

One-Way flights

03 Sep Philippine Airlines
13 Sep Philippine Airlines
22 Sep Philippine Airlines
08 Sep Philippine Airlines
29 Sep Philippine Airlines
15 Sep Philippine Airlines
16 Sep Philippine Airlines
04 Sep Philippine Airlines
28 Sep Alaska Airlines
14 Sep United

Also check the deals for return flights from Seattle to Tokyo in September.

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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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