Cheapest one-way flights from Seoul to Cheju in August from $235

AirHint found the following cheapest one-way flights from Seoul (ICN) to Cheju (CJU) in August 2026 (see full year).

One-Way flights

25 Aug VietJet Air
17 Aug Singapore Airlines
23 Aug Singapore Airlines
18 Aug Singapore Airlines
19 Aug Singapore Airlines
27 Aug Singapore Airlines

Also check the deals for return flights from Seoul to Cheju in August.

Powered by

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.

Book a cheap hotel in Cheju

Cheap car rent in Cheju

Feel free to contact us with any feedback or request another flight research.