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

Best time to book flights for Seoul (GMP) to Cheju (CJU) flights at AirHint

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

Return flights

25 Aug - 27 Aug T'way Air direct
19 Aug - 27 Aug Jeju Air direct
26 Aug - 27 Aug T'way Air direct
20 Aug - 27 Aug T'way Air direct
19 Aug - 26 Aug Jeju Air direct
25 Aug - 26 Aug T'way Air direct
26 Aug - 23 Sep Jin Air direct
27 Aug - 16 Sep T'way Air direct
27 Aug - 04 Sep T'way Air direct
27 Aug - 17 Sep T'way Air direct
27 Aug - 03 Sep T'way Air direct
27 Aug - 11 Sep T'way Air direct
27 Aug - 10 Sep T'way Air direct
19 Aug - 04 Sep Jeju Air direct
19 Aug - 03 Sep Jeju Air direct
26 Aug - 16 Sep T'way Air direct
25 Aug - 28 Aug T'way Air direct
20 Aug - 26 Aug T'way Air direct
25 Aug - 30 Aug T'way Air direct
27 Aug - 28 Aug T'way Air direct

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

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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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