Cheapest return flights from Denver to Seoul in January from 653€

AirHint found the following cheapest return flights from Denver (DEN) to Seoul (ICN) in January 2026 (see full year).

Return flights

21 Jan - 28 Jan Frontier Airlines
11 Jan - 21 Jan Frontier Airlines
11 Jan - 18 Jan Frontier Airlines
01 Jan - 14 Jan Hawaiian Airlines
11 Jan - 24 Jan Air Canada
16 Jan - 13 Feb Air Canada
04 Jan - 11 Jan Frontier Airlines
01 Jan - 30 Jan Air Canada

Also check the deals for one-way flights from Denver to Seoul in January.

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