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

Return flights

09 Apr - 21 Apr	WestJet
11 Apr - 21 Apr	WestJet
14 Apr - 23 Apr	Frontier Airlines
19 Apr - 26 Apr	WestJet
16 Apr - 24 Apr	WestJet
11 Apr - 25 Apr	WestJet
30 Apr - 05 May	WestJet
09 Apr - 14 Apr	WestJet
16 Apr - 25 Apr	WestJet
14 Apr - 22 Apr	WestJet
07 Apr - 21 Apr	Frontier Airlines
23 Apr - 11 May	WestJet
20 Apr - 28 May	Frontier Airlines
10 Apr - 15 May	WestJet
05 Apr - 01 May	Frontier Airlines
23 Apr - 04 May	jetBlue
23 Apr - 11 May	Delta	direct
20 Apr - 28 May	Delta	direct
23 Apr - 04 May	Delta	direct
10 Apr - 15 May	Delta	direct

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

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 April from 682€

Return flights