Cheapest one-way flights from Seoul to Cheju in June from $27

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

One-Way flights

17 Jun Asiana Airlines direct
29 Jun Asiana Airlines direct
23 Jun Asiana Airlines direct
08 Jun Asiana Airlines direct
10 Jun Asiana Airlines direct
15 Jun Asiana Airlines direct
09 Jun Asiana Airlines direct
01 Jun Asiana Airlines direct
03 Jun Asiana Airlines direct
30 Jun Asiana Airlines direct

Also check the deals for return flights from Seoul to Cheju in June.

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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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