AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Seoul (ICN) in August 2025 (see full year).
Return flights
| 31 Aug - 07 Sep | Air Canada | ||
| 27 Aug - 03 Sep | WestJet | ||
| 25 Aug - 01 Sep | Frontier Airlines | ||
| 24 Aug - 31 Aug | Frontier Airlines | ||
| 26 Aug - 31 Aug | Frontier Airlines | ||
| 16 Aug - 20 Aug | Delta |
Also check the deals for one-way flights from Raleigh-durham to Seoul in August.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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