Cheapest return SEA–HND flights, September

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

Return flights

08 Sep - 15 Sep Cathay Pacific
15 Sep - 28 Sep Cathay Pacific
08 Sep - 14 Sep Cathay Pacific
01 Sep - 08 Sep Cathay Pacific
01 Sep - 15 Sep Cathay Pacific
08 Sep - 23 Sep Cathay Pacific
01 Sep - 24 Sep Cathay Pacific
15 Sep - 22 Sep Cathay Pacific
15 Sep - 23 Sep Cathay Pacific
01 Sep - 16 Sep Philippine Airlines
29 Sep - 06 Oct Cathay Pacific
30 Sep - 13 Oct ANA direct
28 Sep - 12 Oct Cathay Pacific
28 Sep - 19 Oct United direct
14 Sep - 03 Oct Delta direct
19 Sep - 03 Oct United direct
25 Sep - 04 Oct ANA direct
25 Sep - 09 Oct Cathay Pacific
30 Sep - 12 Oct Delta direct

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

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