Cheapest return flights from Seattle to Tokyo in September from $671

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

Return flights

02 Sep - 09 Sep Philippine Airlines
10 Sep - 24 Sep Philippine Airlines
16 Sep - 29 Sep Philippine Airlines
01 Sep - 15 Sep Philippine Airlines
01 Sep - 22 Sep Philippine Airlines
08 Sep - 15 Sep Philippine Airlines
10 Sep - 22 Sep Philippine Airlines
22 Sep - 06 Oct Philippine Airlines
18 Sep - 30 Sep Philippine Airlines
08 Sep - 24 Sep Air Canada
08 Sep - 22 Sep Japan Airlines direct
29 Sep - 09 Oct Korean Air
15 Sep - 04 Oct Korean Air
29 Sep - 09 Oct Japan Airlines direct
22 Sep - 06 Oct Japan Airlines direct
27 Sep - 02 Oct Air Canada
22 Sep - 04 Oct United
25 Sep - 02 Oct Air Canada
26 Sep - 10 Oct Air Canada
15 Sep - 04 Oct Japan Airlines direct

Also check the deals for one-way flights from Seattle to Tokyo in September.

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