Cheapest one-way GMP–CJU flights, May

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

One-Way flights

12 May Parata Air direct
06 May Parata Air direct
27 May Eastar Jet direct
05 May Parata Air direct
19 May Eastar Jet direct
20 May Eastar Jet direct
18 May Parata Air direct
11 May Eastar Jet direct
04 May Jin Air direct
03 May Jeju 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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