Cheapest return GMP–CJU flights, June

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

Return flights

23 Jun - 08 Jul Eastar Jet direct
30 Jun - 14 Jul Jeju Air direct
24 Jun - 08 Jul Eastar Jet direct
23 Jun - 14 Jul Eastar Jet direct
29 Jun - 08 Jul Eastar Jet direct
24 Jun - 15 Jul Eastar Jet direct
24 Jun - 14 Jul Eastar Jet direct
29 Jun - 15 Jul Jeju Air direct
29 Jun - 14 Jul Jeju Air direct
30 Jun - 07 Jul Jeju Air direct
23 Jun - 25 Jun Eastar Jet direct
09 Jun - 25 Jun Eastar Jet direct
08 Jun - 18 Jun Eastar Jet direct
08 Jun - 25 Jun Eastar Jet direct
09 Jun - 24 Jun Eastar Jet direct
17 Jun - 25 Jun Eastar Jet direct
15 Jun - 25 Jun Eastar Jet direct
16 Jun - 18 Jun Eastar Jet direct
16 Jun - 25 Jun Eastar Jet direct
01 Jun - 18 Jun T'way Air 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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