Cheapest return flights from Seoul to Cheju in September from 43€

AirHint found the following cheapest return flights from Seoul (GMP) to Cheju (CJU) in September 2026 (see full year).

Return flights

01 Sep - 08 Sep Asiana Airlines direct
07 Sep - 08 Sep Asiana Airlines direct
07 Sep - 17 Sep Asiana Airlines direct
03 Sep - 08 Sep Asiana Airlines direct
07 Sep - 14 Sep Korean Air direct
10 Sep - 23 Sep Asiana Airlines direct
05 Sep - 06 Sep Korean Air direct
04 Sep - 06 Sep Korean Air direct
18 Sep - 20 Sep Korean Air direct
19 Sep - 26 Sep Korean Air direct
30 Sep - 04 Oct Asiana Airlines direct
24 Sep - 05 Oct Korean Air direct

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

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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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