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

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

Return flights

02 Jun - 09 Jun Asiana Airlines direct
15 Jun - 17 Jun Asiana Airlines direct
22 Jun - 24 Jun Asiana Airlines direct
01 Jun - 01 Jul Asiana Airlines direct
15 Jun - 26 Jun Asiana Airlines direct
21 Jun - 25 Jun Asiana Airlines direct
22 Jun - 27 Jun Asiana Airlines direct
02 Jun - 05 Jun Asiana Airlines direct
24 Jun - 26 Jun Asiana Airlines direct
17 Jun - 04 Jul Asiana Airlines direct
29 Jun - 05 Jul Korean Air direct
03 Jun - 14 Jun Asiana Airlines direct
24 Jun - 28 Jun Asiana Airlines direct

Also check the deals for one-way 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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