Cheapest one-way flights from Seoul to Cheju in October from 142€

Best time to book flights for Seoul (ICN) to Cheju (CJU) flights at AirHint

AirHint found the following cheapest one-way flights from Seoul (ICN) to Cheju (CJU) in October 2025 (see full year).

One-Way flights

20 Oct China Southern
13 Oct Eastar Jet
01 Oct Peach
02 Oct Spring Airlines
03 Oct Eastar Jet
19 Oct Singapore Airlines
23 Oct Singapore Airlines

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

Skyscanner

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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