Cheapest one-way flights from Seoul to Cheju in August from 167€

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 August 2025 (see full year).

One-Way flights

15 Aug Spring Airlines
07 Aug Spring Airlines
19 Aug Eastar Jet
06 Aug Scoot Tigerair
03 Aug Eastar Jet
20 Aug Scoot Tigerair
23 Aug Eastar Jet
14 Aug Singapore Airlines

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

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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