Cheapest return flights from Seattle to Tokyo in September from $676

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

Return flights

01 Sep - 05 Sep Air Canada
01 Sep - 16 Sep Asiana Airlines
10 Sep - 17 Sep Asiana Airlines
07 Sep - 13 Sep Asiana Airlines
16 Sep - 23 Sep Asiana Airlines
03 Sep - 16 Sep Asiana Airlines
09 Sep - 16 Sep Asiana Airlines
17 Sep - 26 Oct Asiana Airlines
17 Sep - 28 Oct Asiana Airlines
16 Sep - 28 Oct Asiana Airlines
08 Sep - 15 Sep Asiana Airlines
08 Sep - 22 Sep Asiana Airlines
06 Sep - 16 Sep Air Canada
28 Sep - 02 Oct Asiana Airlines
05 Sep - 03 Oct Air Canada
15 Sep - 14 Oct Korean Air
30 Sep - 08 Oct Hawaiian Airlines direct
01 Sep - 08 Oct Hawaiian Airlines direct
30 Sep - 13 Oct Korean Air
21 Sep - 07 Oct Alaska Airlines direct

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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