Cheapest return flights from Phoenix to Seoul in December from $1139

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

Return flights

25 Dec - 27 Dec United
27 Dec - 09 Jan United
27 Dec - 28 Dec American Airlines
15 Dec - 09 Jan Hawaiian Airlines
26 Dec - 08 Jan Alaska Airlines
27 Dec - 01 Jan United
22 Dec - 11 Jan United
26 Dec - 05 Jan Alaska Airlines
17 Dec - 24 Dec Hawaiian Airlines
17 Dec - 08 Jan Hawaiian Airlines
23 Dec - 01 Jan Allegiant Air
19 Dec - 26 Dec WestJet
19 Dec - 11 Jan Frontier Airlines
23 Dec - 04 Jan Frontier Airlines

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

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