AirHint found the following cheapest one-way flights from Seoul (ICN) to Cheju (CJU) in August 2025 (see full year).
06 Aug | Tigerair Taiwan | ||
03 Aug | Scoot Tigerair | ||
05 Aug | China Southern | ||
12 Aug | China Southern | ||
10 Aug | Singapore Airlines | ||
01 Aug | Singapore Airlines |
Also check the deals for return flights from Seoul to Cheju 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.