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

Return flights

12 Aug - 25 Aug	Frontier Airlines
14 Aug - 16 Sep	Frontier Airlines
18 Aug - 30 Sep	Frontier Airlines
29 Aug - 05 Sep	Frontier Airlines
14 Aug - 16 Sep	Delta	direct
12 Aug - 19 Aug	Delta	direct
12 Aug - 25 Aug	Delta	direct
18 Aug - 30 Sep	Delta	direct
10 Aug - 30 Sep	Delta	direct
15 Aug - 24 Aug	Delta	direct
29 Aug - 05 Sep	Delta	direct

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

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 August from 820€

Return flights