Cheapest return flights from Seoul to Cheju in May from 49€

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

Return flights

31 May - 02 Jun Asiana Airlines direct
13 May - 20 May Asiana Airlines direct
20 May - 27 May Asiana Airlines direct
12 May - 19 May Asiana Airlines direct
18 May - 29 May Asiana Airlines direct
19 May - 29 May Asiana Airlines direct
14 May - 21 May Asiana Airlines direct
29 May - 04 Jun Asiana Airlines direct
29 May - 05 Jun Asiana Airlines direct
16 May - 19 May Asiana Airlines direct
13 May - 18 May Asiana Airlines direct
13 May - 17 May Korean Air direct
13 May - 15 May Korean Air direct

Also check the deals for one-way 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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