Cheapest return flights from Seoul to Cheju in August from $45

AirHint found the following cheapest return flights from Seoul (GMP) to Cheju (CJU) in August 2025 (see full year).

Return flights

26 Aug - 10 Sep Jeju Air direct
26 Aug - 11 Sep Jeju Air direct
19 Aug - 27 Aug Jeju Air direct
25 Aug - 26 Aug Jin Air direct
26 Aug - 27 Aug Jeju Air direct
25 Aug - 10 Sep Jin Air direct
25 Aug - 11 Sep Jin Air direct
27 Aug - 10 Sep Jin Air direct
27 Aug - 11 Sep Jin Air direct
26 Aug - 03 Sep Jeju Air direct
26 Aug - 04 Sep Jeju Air direct
26 Aug - 02 Sep Jeju Air direct
25 Aug - 03 Sep Jin Air direct
20 Aug - 26 Aug Jin Air direct
19 Aug - 26 Aug Jin Air direct
25 Aug - 27 Aug Jin Air direct
20 Aug - 27 Aug Jin Air direct
26 Aug - 29 Aug Jeju Air direct
26 Aug - 28 Aug Jeju Air direct
26 Aug - 30 Aug Jeju Air direct

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

Skyscanner

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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