Cheapest one-way flights from Seoul to Cheju in August from 16€

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

One-Way flights

26 Aug Asiana Airlines direct
25 Aug Asiana Airlines direct
27 Aug Jin Air direct
19 Aug Jin Air direct
30 Aug Jin Air direct
20 Aug Jin Air direct
31 Aug Asiana Airlines direct
06 Aug Asiana Airlines direct
05 Aug Asiana Airlines direct
18 Aug Jeju Air direct

Also check the deals for return 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.

Book a cheap hotel in Cheju

Cheap car rent in Cheju

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