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

Return flights

19 May - 26 May	WestJet
05 May - 12 May	WestJet
17 May - 25 May	WestJet
16 May - 08 Jun	WestJet
09 May - 19 May	WestJet
07 May - 13 May	Spirit Airlines
07 May - 17 May	WestJet
09 May - 17 May	WestJet
09 May - 25 May	WestJet
07 May - 15 May	WestJet
11 May - 08 Jun	WestJet
12 May - 15 May	WestJet
27 May - 17 Jun	WestJet
30 May - 30 Jun	WestJet
28 May - 09 Jun	WestJet
21 May - 09 Jun	WestJet
24 May - 08 Jun	WestJet
23 May - 11 Jun	WestJet
20 May - 19 Jun	Spirit Airlines
26 May - 19 Jun	WestJet

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

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 May from $978

Return flights