AirHint found the following cheapest return flights from Portland (PDX) to Seoul (ICN) in November 2025 (see full year).
Return flights
| 09 Nov - 24 Nov | Air Canada | ||
| 23 Nov - 01 Dec | Air Canada | ||
| 18 Nov - 18 Dec | Air Canada | ||
| 04 Nov - 11 Nov | Air Canada | ||
| 21 Nov - 29 Nov | Hawaiian Airlines | ||
| 21 Nov - 30 Nov | Alaska Airlines |
Also check the deals for one-way flights from Portland to Seoul in November.
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