Cheapest return ATL–ICN flights, September

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

Return flights

16 Sep - 30 Sep WestJet
08 Sep - 06 Oct Frontier Airlines
12 Sep - 27 Sep Alaska Airlines
12 Sep - 26 Sep Alaska Airlines
11 Sep - 27 Sep Spirit Airlines
09 Sep - 22 Sep WestJet
15 Sep - 22 Sep WestJet
13 Sep - 21 Sep Spirit Airlines
08 Sep - 16 Oct Turkish Airlines
06 Sep - 15 Sep Turkish Airlines
26 Sep - 11 Oct Alaska Airlines
15 Sep - 20 Oct Etihad Airways
15 Sep - 22 Sep Delta direct
08 Sep - 06 Oct Delta direct
15 Sep - 20 Oct Delta direct
12 Sep - 29 Sep Air Canada
17 Sep - 27 Oct Lufthansa
26 Sep - 11 Oct Delta direct
08 Sep - 16 Oct Delta direct
19 Sep - 04 Oct Delta direct

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

Powered by

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.