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

Return flights

25 Dec - 15 Jan	Alaska Airlines
06 Dec - 13 Jan	Delta
14 Dec - 29 Dec	Korean Air
04 Dec - 09 Jan	Delta	direct
06 Dec - 11 Jan	Delta
14 Dec - 30 Dec	Alaska Airlines
15 Dec - 30 Dec	Alaska Airlines
23 Dec - 30 Dec	Asiana Airlines
09 Dec - 07 Jan	United
15 Dec - 06 Jan	Korean Air
08 Dec - 06 Jan	Delta
15 Dec - 05 Jan	Korean Air
20 Dec - 11 Jan	Alaska Airlines
15 Dec - 03 Jan	Korean Air
11 Dec - 30 Dec	Delta	direct
15 Dec - 30 Dec	Delta	direct
19 Dec - 30 Dec	Korean Air

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 1039€

Return flights