Cheapest return flights from Portland to Tokyo in September from 646€

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

Return flights

01 Sep - 09 Sep Frontier Airlines
01 Sep - 14 Sep Frontier Airlines
01 Sep - 08 Sep Frontier Airlines
01 Sep - 12 Sep Frontier Airlines
01 Sep - 15 Sep Frontier Airlines
01 Sep - 29 Sep Frontier Airlines
09 Sep - 25 Sep United
14 Sep - 02 Oct United
08 Sep - 17 Sep Alaska Airlines
04 Sep - 20 Sep Frontier Airlines
11 Sep - 20 Sep Alaska Airlines

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

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