Cheapest one-way flights from Seoul to Cheju in January from $154

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

One-Way flights

23 Jan China Eastern
15 Jan China Eastern
27 Jan HK Express
29 Jan HK Express
20 Jan HK Express
21 Jan HK Express
24 Jan HK Express
13 Jan HK Express
26 Jan HK Express
06 Jan Peach

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

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.