AirHint found the following cheapest return flights from Seattle (SEA) to Tokyo (NRT) in September 2026 (see full year).
Return flights
| 20 Sep - 07 Oct | Korean Air | ||
| 18 Sep - 25 Sep | Korean Air | ||
| 18 Sep - 25 Sep | Japan Airlines | direct | |
| 26 Sep - 04 Oct | Air Canada | ||
| 01 Sep - 13 Sep | Emirates | ||
| 09 Sep - 22 Sep | Emirates |
Also check the deals for one-way flights from Seattle to Tokyo in September.
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