AirHint found the following cheapest return flights from Atlanta (ATL) to Seoul (ICN) in January 2026 (see full year).

Return flights

28 Jan - 08 Feb	WestJet
22 Jan - 25 Jan	WestJet
19 Jan - 25 Jan	WestJet
13 Jan - 20 Jan	Frontier Airlines
24 Jan - 30 Jan	WestJet
17 Jan - 24 Jan	WestJet
15 Jan - 22 Jan	WestJet
23 Jan - 30 Jan	WestJet
21 Jan - 03 Feb	WestJet
21 Jan - 18 Feb	WestJet
12 Jan - 26 Jan	Frontier Airlines
09 Jan - 23 Jan	WestJet
18 Jan - 26 Jan	Frontier Airlines
27 Jan - 10 Feb	Frontier Airlines
07 Jan - 28 Feb	Turkish Airlines
21 Jan - 18 Feb	Korean Air	direct
21 Jan - 03 Feb	Delta	direct
27 Jan - 10 Feb	Delta	direct
07 Jan - 28 Feb	Korean Air	direct

Also check the deals for one-way flights from Atlanta to Seoul in January.

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 January from 652€

Return flights