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

Return flights

12 Dec - 05 Jan	Air France
12 Dec - 11 Jan	Air France
20 Dec - 10 Jan	Air Canada
15 Dec - 30 Dec	Air France
11 Dec - 30 Dec	Air France
05 Dec - 04 Jan	Spirit Airlines
08 Dec - 06 Jan	United
10 Dec - 06 Jan	United
08 Dec - 04 Jan	Air France
12 Dec - 04 Jan	Air France
15 Dec - 30 Dec	Delta	direct
11 Dec - 30 Dec	Delta	direct
13 Dec - 13 Jan	Delta
12 Dec - 12 Jan	Delta

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 $1718

Return flights