Cheapest return SEA–NRT flights, September

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

Return flights

01 Sep - 08 Sep Cathay Pacific
06 Sep - 10 Sep Philippine Airlines
08 Sep - 23 Sep Cathay Pacific
01 Sep - 16 Sep Cathay Pacific
08 Sep - 15 Sep Cathay Pacific
08 Sep - 24 Sep Cathay Pacific
01 Sep - 06 Sep Cathay Pacific
15 Sep - 22 Sep Cathay Pacific
15 Sep - 23 Sep Cathay Pacific
15 Sep - 28 Sep Cathay Pacific
09 Sep - 14 Oct Air Canada
29 Sep - 13 Oct Air Canada
30 Sep - 14 Oct Air Canada
28 Sep - 19 Oct Air Canada
30 Sep - 12 Oct Air Canada
30 Sep - 13 Oct Air Canada
28 Sep - 12 Oct Air Canada
29 Sep - 06 Oct Philippine Airlines
26 Sep - 10 Oct Air Canada
19 Sep - 03 Oct Air Canada

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

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