Cheapest return flights from Seoul to Cheju in August from $55

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

Return flights

26 Aug - 29 Aug Asiana Airlines direct
23 Aug - 27 Aug Asiana Airlines direct
27 Aug - 03 Sep Asiana Airlines direct
27 Aug - 29 Aug Asiana Airlines direct
29 Aug - 31 Aug Korean Air direct
16 Aug - 26 Aug Korean Air direct
27 Aug - 30 Aug Korean Air direct
17 Aug - 24 Aug Korean Air direct
28 Aug - 30 Aug Korean Air direct
22 Aug - 23 Aug Korean Air direct
16 Aug - 20 Aug Korean Air direct

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

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