Cheapest return flights from Seattle to Tokyo in September from $729

Best time to book flights for Seattle (SEA) to Tokyo (NRT) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Tokyo (NRT) in September 2025 (see full year).

Return flights

10 Sep - 17 Sep Philippine Airlines
05 Sep - 14 Sep Philippine Airlines
10 Sep - 24 Sep Philippine Airlines
05 Sep - 21 Sep Philippine Airlines
28 Sep - 19 Oct Philippine Airlines
05 Sep - 03 Oct Philippine Airlines
05 Sep - 26 Sep Philippine Airlines
10 Sep - 17 Sep Alaska Airlines direct
14 Sep - 25 Sep Hawaiian Airlines direct
10 Sep - 24 Sep Alaska Airlines direct
02 Sep - 10 Sep Hawaiian Airlines direct
21 Sep - 07 Oct Hawaiian Airlines direct
23 Sep - 07 Oct Hawaiian Airlines direct
08 Sep - 16 Sep Korean Air
05 Sep - 03 Oct Hawaiian Airlines direct
21 Sep - 15 Oct Korean Air
19 Sep - 15 Oct Korean Air
21 Sep - 15 Oct Japan Airlines direct
30 Sep - 20 Oct Air Canada

Also check the deals for one-way flights from Seattle 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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