AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Seoul (ICN) in April 2026 (see full year).
Return flights
| 09 Apr - 05 May | Air Canada | ||
| 13 Apr - 24 Apr | Delta | ||
| 24 Apr - 12 May | Delta | ||
| 10 Apr - 19 Apr | Delta | ||
| 14 Apr - 28 Apr | Breeze Airways |
Also check the deals for one-way flights from Raleigh-durham to Seoul in April.
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