AirHint found the following cheapest return flights from Atlanta (ATL) to Seoul (ICN) in April 2026 (see full year).
Return flights
| 14 Apr - 21 Apr | Turkish Airlines | ||
| 28 Apr - 10 May | Turkish Airlines | ||
| 20 Apr - 26 Apr | Turkish Airlines | ||
| 14 Apr - 21 Apr | Delta | direct | |
| 28 Apr - 10 May | Delta | direct |
Also check the deals for one-way flights from Atlanta to Seoul in April.
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