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

Return flights

07 May - 17 May	WestJet
09 May - 19 May	WestJet
01 May - 10 May	WestJet
26 May - 11 Jun	WestJet
02 May - 15 May	WestJet
08 May - 25 May	WestJet
05 May - 12 May	WestJet
16 May - 08 Jun	Spirit Airlines
12 May - 30 May	Alaska Airlines
10 May - 08 Jun	Spirit Airlines
11 May - 30 May	Alaska Airlines
28 May - 15 Jun	WestJet
22 May - 20 Jun	Spirit Airlines
10 May - 19 Jun	Alaska Airlines
14 May - 01 Jun	Lufthansa
05 May - 12 May	Delta	direct
14 May - 01 Jun	Delta	direct
08 May - 25 May	Delta	direct
10 May - 08 Jun	Korean Air	direct
10 May - 19 Jun	Korean Air	direct

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 770€

Return flights