Cheapest one-way flights from Seoul to Cheju in May from 15€

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

One-Way flights

06 May Asiana Airlines direct
27 May Asiana Airlines direct
20 May Asiana Airlines direct
10 May Asiana Airlines direct
17 May Asiana Airlines direct
14 May Asiana Airlines direct
09 May Korean Air direct
24 May Korean Air direct
16 May Korean Air direct
23 May Korean Air direct

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

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.

Book a cheap hotel in Cheju

Cheap car rent in Cheju

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