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

Return flights

10 Dec - 25 Dec	United
17 Dec - 25 Dec	United
11 Dec - 25 Dec	United
17 Dec - 24 Dec	Alaska Airlines
20 Dec - 27 Dec	Alaska Airlines
19 Dec - 26 Dec	Air Canada
17 Dec - 26 Dec	Alaska Airlines
18 Dec - 26 Dec	Alaska Airlines
21 Dec - 02 Jan	Alaska Airlines

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

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 December from $851

Return flights