Cheapest one-way flights from Seoul to Cheju in May from 26€

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

One-Way flights

18 May Asiana Airlines direct
13 May Asiana Airlines direct
14 May Asiana Airlines direct
25 May Korean Air direct
05 May Korean Air direct
06 May Korean Air direct
23 May Korean Air direct
22 May Korean Air direct
02 May Korean Air direct

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

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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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