Cheapest return flights from Seattle to Tokyo in September from $641

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

Return flights

01 Sep - 13 Sep Asiana Airlines
01 Sep - 16 Sep Asiana Airlines
14 Sep - 24 Sep Korean Air
14 Sep - 24 Sep Japan Airlines direct
01 Sep - 16 Sep Japan Airlines direct
07 Sep - 16 Sep American Airlines direct
07 Sep - 14 Sep Air Canada
07 Sep - 14 Sep American Airlines direct
21 Sep - 28 Sep American Airlines direct
21 Sep - 10 Oct American Airlines direct
01 Sep - 13 Sep Japan Airlines direct

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

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