Cheapest return GMP–CJU flights, August

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

Return flights

31 Aug - 16 Sep Eastar Jet direct
30 Aug - 16 Sep Jeju Air direct
26 Aug - 16 Sep Eastar Jet direct
31 Aug - 17 Sep Eastar Jet direct
31 Aug - 01 Sep Eastar Jet direct
27 Aug - 16 Sep Eastar Jet direct
30 Aug - 17 Sep Jeju Air direct
31 Aug - 15 Sep Eastar Jet direct
29 Aug - 02 Sep Asiana Airlines direct
18 Aug - 01 Sep Jeju Air direct
18 Aug - 26 Aug Jeju Air direct
25 Aug - 27 Aug Eastar Jet direct
26 Aug - 27 Aug Eastar Jet direct
19 Aug - 27 Aug Jeju Air direct
18 Aug - 25 Aug Jeju Air direct
24 Aug - 25 Aug Eastar Jet direct
19 Aug - 25 Aug Jeju Air direct
18 Aug - 24 Aug Jeju Air direct
17 Aug - 27 Aug Jeju Air direct
24 Aug - 24 Aug Jeju Air direct

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

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