Cheapest return flights from Seoul to Cheju in May from $57

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

Return flights

27 May - 30 May Asiana Airlines direct
11 May - 14 May Asiana Airlines direct
10 May - 12 May Asiana Airlines direct
20 May - 22 May Asiana Airlines direct
27 May - 01 Jun Asiana Airlines direct
13 May - 17 May Asiana Airlines direct
18 May - 18 May Asiana Airlines direct
09 May - 12 May Asiana Airlines direct
25 May - 30 May Asiana Airlines direct
15 May - 18 May Asiana Airlines direct
22 May - 01 Jun Asiana Airlines direct
23 May - 01 Jun Asiana Airlines direct
23 May - 25 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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