Cheapest return flights from Seattle to Tokyo in September from $653

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

Return flights

23 Sep - 30 Sep Air Canada
16 Sep - 22 Sep Air Canada
08 Sep - 21 Sep Air Canada
07 Sep - 28 Sep Philippine Airlines
10 Sep - 24 Sep Philippine Airlines
21 Sep - 01 Oct Philippine Airlines
15 Sep - 25 Sep Air Canada
17 Sep - 26 Sep Korean Air
03 Sep - 11 Sep Korean Air
09 Sep - 16 Sep Korean Air
01 Sep - 10 Sep Korean Air
21 Sep - 01 Oct ANA direct
01 Sep - 08 Oct United direct
30 Sep - 14 Oct ANA direct
15 Sep - 01 Oct Delta direct
05 Sep - 03 Oct Philippine Airlines
21 Sep - 11 Oct Korean Air
01 Sep - 18 Oct Asiana Airlines
05 Sep - 03 Oct ANA direct
21 Sep - 11 Oct ANA 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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