Cheapest return flights from Seoul to Cheju in October from $43

Best time to book flights for Seoul (GMP) to Cheju (CJU) flights at AirHint

AirHint found the following cheapest return flights from Seoul (GMP) to Cheju (CJU) in October 2025 (see full year).

Return flights

12 Oct - 14 Oct Asiana Airlines direct
12 Oct - 15 Oct Asiana Airlines direct
13 Oct - 22 Oct Asiana Airlines direct
20 Oct - 22 Oct Asiana Airlines direct
20 Oct - 23 Oct Asiana Airlines direct
14 Oct - 21 Oct Asiana Airlines direct
13 Oct - 16 Oct Asiana Airlines direct
21 Oct - 24 Oct Asiana Airlines direct
20 Oct - 24 Oct Asiana Airlines direct
19 Oct - 23 Oct Asiana Airlines direct
20 Oct - 01 Nov Asiana Airlines direct
27 Oct - 04 Nov Korean Air direct
20 Oct - 07 Nov Asiana Airlines direct
25 Oct - 01 Nov Korean Air direct
30 Oct - 02 Nov Asiana Airlines direct
26 Oct - 02 Nov Asiana Airlines direct
31 Oct - 08 Nov Asiana Airlines direct
24 Oct - 01 Nov Asiana Airlines direct
31 Oct - 03 Nov Asiana Airlines direct

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

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