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

Return flights

19 Aug - 10 Sep	WestJet
19 Aug - 12 Sep	WestJet
19 Aug - 11 Sep	WestJet
20 Aug - 30 Aug	WestJet
24 Aug - 13 Sep	WestJet
04 Aug - 05 Sep	WestJet
27 Aug - 07 Sep	WestJet
28 Aug - 06 Sep	WestJet
12 Aug - 24 Aug	WestJet
27 Aug - 28 Aug	WestJet
07 Aug - 20 Aug	WestJet
30 Aug - 29 Sep	WestJet
07 Aug - 14 Aug	WestJet
09 Aug - 16 Aug	Alaska Airlines
03 Aug - 09 Aug	WestJet
14 Aug - 26 Aug	Air Canada
14 Aug - 20 Aug	Air Canada
28 Aug - 19 Sep	WestJet
14 Aug - 24 Aug	Air Canada
19 Aug - 11 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 754€

Return flights