AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Seoul (ICN) in April 2026 (see full year).
Return flights
| 12 Apr - 28 Apr | Air Canada | ||
| 07 Apr - 21 Apr | Air Canada | ||
| 24 Apr - 02 May | Frontier Airlines | ||
| 26 Apr - 01 May | Air Canada | ||
| 01 Apr - 06 May | Frontier Airlines | ||
| 10 Apr - 17 Apr | Air Canada | ||
| 03 Apr - 11 Apr | Delta |
Also check the deals for one-way flights from Raleigh-durham to Seoul in April.
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