AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Seoul (ICN) in February 2026 (see full year).
Return flights
| 03 Feb - 18 Feb | American Airlines | ||
| 11 Feb - 20 Feb | United | ||
| 18 Feb - 23 Mar | United | ||
| 19 Feb - 22 Feb | Delta |
Also check the deals for one-way flights from Raleigh-durham to Seoul in February.
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