AirHint found the following cheapest return flights from Atlanta (ATL) to Seoul (ICN) in August 2025 (see full year).

Return flights

27 Aug - 17 Sep	WestJet
23 Aug - 01 Sep	WestJet
11 Aug - 30 Aug	WestJet
30 Aug - 29 Sep	WestJet
12 Aug - 22 Aug	WestJet
18 Aug - 22 Aug	WestJet
29 Aug - 05 Sep	WestJet
07 Aug - 20 Aug	WestJet
29 Aug - 27 Sep	WestJet
11 Aug - 18 Aug	WestJet
14 Aug - 27 Aug	Air Canada
17 Aug - 20 Aug	Alaska Airlines
14 Aug - 27 Aug	Korean Air	direct
07 Aug - 20 Aug	Delta	direct
27 Aug - 17 Sep	Delta	direct
11 Aug - 30 Aug	Delta	direct
30 Aug - 29 Sep	Delta	direct
29 Aug - 27 Sep	Delta	direct
23 Aug - 01 Sep	Delta	direct
29 Aug - 05 Sep	Delta	direct

Also check the deals for one-way flights from Atlanta 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 Atlanta to Seoul in August from $867

Return flights