Cheapest one-way flights from Seoul to Cheju in August from $28

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

One-Way flights

24 Aug Asiana Airlines direct
26 Aug Asiana Airlines direct
31 Aug Asiana Airlines direct
27 Aug Asiana Airlines direct
17 Aug Korean Air direct
21 Aug Korean Air direct
08 Aug T'way Air direct
01 Aug T'way Air direct
06 Aug T'way Air direct
04 Aug T'way Air direct

Also check the deals for return 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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