AirHint found the following cheapest return flights from Salt Lake City (SLC) to Seoul (ICN) in December 2025 (see full year).

Return flights

07 Dec - 29 Dec	Alaska Airlines
08 Dec - 30 Dec	Alaska Airlines
11 Dec - 26 Dec	Alaska Airlines
17 Dec - 07 Jan	Hawaiian Airlines
26 Dec - 06 Jan	Korean Air
08 Dec - 30 Dec	Delta	direct
08 Dec - 06 Jan	Delta	direct
09 Dec - 07 Jan	Delta
06 Dec - 13 Jan	Delta	direct
06 Dec - 11 Jan	Delta	direct
11 Dec - 30 Dec	Delta	direct
11 Dec - 06 Jan	Delta	direct
14 Dec - 31 Dec	Delta
13 Dec - 06 Jan	Delta	direct
13 Dec - 13 Jan	Delta	direct
11 Dec - 26 Dec	Delta	direct
12 Dec - 02 Jan	United

Also check the deals for one-way flights from Salt Lake City to Seoul in December.

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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Cheapest return flights from Salt Lake City to Seoul in December from 1190€

Return flights