AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Seoul (ICN) in May 2026 (see full year).
Return flights
| 13 May - 18 May | Alaska Airlines | ||
| 01 May - 08 May | Alaska Airlines | ||
| 01 May - 29 May | Alaska Airlines | ||
| 19 May - 29 May | Air Canada |
Also check the deals for one-way flights from Raleigh-durham to Seoul in May.
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