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

Return flights

10 Mar - 17 Mar	United
08 Mar - 20 Mar	United
04 Mar - 09 Mar	Air Canada
10 Mar - 16 Mar	United
16 Mar - 23 Mar	Korean Air
07 Mar - 14 Mar	United
12 Mar - 19 Mar	Japan Airlines
05 Mar - 09 Mar	United
31 Mar - 07 Apr	Air Canada
10 Mar - 24 Mar	Hawaiian Airlines
18 Mar - 01 Apr	Hawaiian Airlines
12 Mar - 23 Mar	Hawaiian Airlines
18 Mar - 02 Apr	Hawaiian Airlines
07 Mar - 06 Apr	Frontier Airlines
30 Mar - 06 Apr	STARLUX Airlines
27 Mar - 04 Apr	Hawaiian Airlines
29 Mar - 05 Apr	Hawaiian Airlines
26 Mar - 05 Apr	Frontier Airlines
25 Mar - 05 Apr	Air Canada

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 582€

Return flights