AirHint found the following cheapest return flights from Greenville (GSP) to Seoul (ICN) in April 2026 (see full year).
Return flights
| 17 Apr - 24 Apr | Breeze Airways | ||
| 19 Apr - 24 Apr | Allegiant Air | ||
| 17 Apr - 23 Apr | Breeze Airways | ||
| 18 Apr - 24 Apr | WestJet | ||
| 18 Apr - 23 Apr | WestJet |
Also check the deals for one-way flights from Greenville to Seoul in April.
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