Cheapest return flights from Portland to Seoul in December from 831€

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

Return flights

11 Dec - 16 Dec Air Canada
12 Dec - 13 Jan Air Canada
15 Dec - 21 Jan United
12 Dec - 31 Dec United
12 Dec - 05 Jan United
12 Dec - 01 Jan United
09 Dec - 04 Jan United
11 Dec - 04 Jan United
12 Dec - 04 Jan United
13 Dec - 03 Jan Air Canada

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

Skyscanner

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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