Cheapest return flights from Seoul to Cheju in May from $54

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

Return flights

27 May - 28 May Asiana Airlines direct
11 May - 14 May Asiana Airlines direct
11 May - 29 May Asiana Airlines direct
10 May - 13 May Asiana Airlines direct
10 May - 14 May Asiana Airlines direct
30 May - 02 Jun Asiana Airlines direct
28 May - 04 Jun Asiana Airlines direct
27 May - 27 May Asiana Airlines direct
16 May - 23 May Asiana Airlines direct
28 May - 31 May Asiana Airlines direct
09 May - 14 May Korean Air direct
29 May - 31 May Asiana Airlines direct

Also check the deals for one-way 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.

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