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

Return flights

10 Mar - 17 Mar	Delta
01 Mar - 18 Mar	Delta
02 Mar - 09 Mar	ANA
02 Mar - 08 Mar	United
03 Mar - 08 Mar	United
03 Mar - 07 Mar	Delta
01 Mar - 14 Mar	Air Canada
07 Mar - 17 Mar	Alaska Airlines
06 Mar - 16 Mar	Alaska Airlines
08 Mar - 20 Mar	Delta
30 Mar - 07 Apr	Korean Air
31 Mar - 07 Apr	Korean Air
30 Mar - 06 Apr	Hawaiian Airlines
22 Mar - 01 Apr	Cathay Pacific
21 Mar - 01 Apr	Cathay Pacific
18 Mar - 02 Apr	Cathay Pacific
24 Mar - 10 Apr	Hawaiian Airlines
27 Mar - 04 Apr	Hawaiian Airlines
21 Mar - 02 Apr	Frontier Airlines
19 Mar - 02 Apr	Cathay Pacific

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Portland to Tokyo in March from $686

Return flights