AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Seoul (ICN) in May 2026 (see full year).
Return flights
| 05 May - 12 May | United | ||
| 04 May - 29 May | United | ||
| 10 May - 24 May | Delta | ||
| 28 May - 04 Jun | United | ||
| 11 May - 23 May | Alaska Airlines |
Also check the deals for one-way flights from Raleigh-durham to Seoul in May.
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