Cheapest return flights from Seoul to Cheju in September from 45€

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

Return flights

08 Sep - 16 Sep Asiana Airlines direct
16 Sep - 19 Sep Asiana Airlines direct
30 Sep - 01 Oct Asiana Airlines direct
06 Sep - 12 Sep Asiana Airlines direct
13 Sep - 18 Sep Asiana Airlines direct
12 Sep - 18 Sep Asiana Airlines direct
28 Sep - 30 Sep Asiana Airlines direct
03 Sep - 05 Sep Asiana Airlines direct
04 Sep - 09 Sep Asiana Airlines direct
12 Sep - 13 Sep Korean Air direct
18 Sep - 25 Sep Korean Air direct

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

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