Cheapest return flights from Portland to Seoul in March from $799

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

Return flights

03 Mar - 12 Mar Air Canada
03 Mar - 19 Mar Air Canada
10 Mar - 14 Apr Air Canada
17 Mar - 21 Apr Air Canada
24 Mar - 30 Mar Air Canada
11 Mar - 28 Mar Hawaiian Airlines
01 Mar - 29 Mar Delta
13 Mar - 29 Mar Delta

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

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