AirHint found the following cheapest return flights from Portland (PDX) to Tokyo (NRT) in December 2025 (see full year).

Return flights

03 Dec - 17 Dec	Air Canada
05 Dec - 12 Dec	Air Canada
10 Dec - 19 Dec	Air Canada
10 Dec - 20 Dec	Air Canada
24 Dec - 07 Jan	Air Canada
11 Dec - 20 Dec	Air Canada
12 Dec - 21 Dec	Air Canada
25 Dec - 07 Jan	Air Canada
23 Dec - 08 Jan	Air Canada
22 Dec - 09 Jan	Air Canada
23 Dec - 31 Dec	Air Canada
27 Dec - 04 Jan	Alaska Airlines
21 Dec - 04 Jan	Air Canada

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.

Book a cheap hotel in Tokyo

Cheap car rent in Tokyo

Cheapest return flights from Portland to Tokyo in December from $619

Return flights