Cheapest return flights from Seoul to Cheju in May from $52

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

Return flights

20 May - 27 May Asiana Airlines direct
27 May - 28 May Asiana Airlines direct
13 May - 14 May Asiana Airlines direct
27 May - 29 May Asiana Airlines direct
27 May - 30 May Asiana Airlines direct
20 May - 21 May Asiana Airlines direct
12 May - 14 May Asiana Airlines direct
17 May - 21 May Asiana Airlines direct
11 May - 14 May Asiana Airlines direct
17 May - 19 May Asiana Airlines direct
30 May - 03 Jun Asiana Airlines direct
21 May - 02 Jun Asiana Airlines direct
28 May - 04 Jun Asiana Airlines direct
29 May - 02 Jun Asiana Airlines direct
27 May - 04 Jun Korean Air direct
25 May - 05 Jun Korean Air direct
25 May - 01 Jun Korean Air direct

Also check the deals for one-way flights from Seoul to Cheju in May.

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