Cheapest one-way flights from Seoul to Cheju in August from 21€

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

One-Way flights

26 Aug Asiana Airlines direct
30 Aug Eastar Jet direct
27 Aug Eastar Jet direct
19 Aug Parata Air direct
18 Aug Eastar Jet direct
05 Aug Eastar Jet direct
11 Aug Eastar Jet direct
10 Aug Eastar Jet direct
01 Aug Eastar Jet direct
03 Aug Eastar Jet 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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