Cheapest return flights from Seattle (SEA) to Tokyo (NRT), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
15 Sep 06 Oct Frontier Airlines
08 Sep 21 Sep Hainan Airlines
08 Sep 23 Sep Philippine Airlines
09 Sep 29 Sep Frontier Airlines
13 Sep 29 Sep WestJet
01 Sep 11 Sep Alaska Airlines
04 Sep 15 Sep WestJet
10 Sep 23 Sep Frontier Airlines
15 Sep 22 Sep Alaska Airlines
14 Sep 03 Oct WestJet
14 Sep 23 Sep Harbour Air
08 Sep 24 Sep Hainan Airlines
13 Sep 04 Oct WestJet
25 Sep 02 Oct Asiana Airlines
29 Sep 20 Oct Frontier Airlines
15 Sep 28 Oct Cathay Pacific
30 Sep 20 Oct Frontier Airlines
30 Sep 11 Oct Frontier Airlines
26 Sep 10 Oct Asiana Airlines
15 Sep 28 Oct Japan Airlines
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Updated Jun 20, 2026.

About these fares

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