Cheapest return flights from Seoul (ICN) to Cheju (CJU), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
07 Sep 18 Sep Jeju Air
Direct Flight
14 Sep 18 Sep Jeju Air
Direct Flight
21 Sep 25 Sep Jeju Air
Direct Flight
04 Sep 07 Sep Jeju Air
Direct Flight
14 Sep 16 Sep Jeju Air
14 Sep 17 Sep Jeju Air
07 Sep 09 Sep Jeju Air
12 Sep 16 Sep Jeju Air
07 Sep 10 Sep Jeju Air
02 Sep 07 Sep Air Seoul, Inc
30 Sep 02 Oct Asiana Airlines
30 Sep 07 Oct Asiana Airlines
29 Sep 03 Oct Air Busan
30 Sep 03 Oct Asiana Airlines
26 Sep 01 Oct Air Seoul, Inc
26 Sep 04 Oct Jeju Air
28 Sep 03 Oct Peach
30 Sep 04 Oct Eastar Jet
Powered by

deals for one-way flights from Seoul to Cheju in September.

Book a cheap hotel in Cheju

Cheap car rent in Jeju Intl

Updated Jul 8, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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