Cheapest one-way flights from Seoul to Cheju in August from $24

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

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

One-Way flights

25 Aug T'way Air direct
27 Aug T'way Air direct
19 Aug Jeju Air direct
26 Aug T'way Air direct
20 Aug T'way Air direct
31 Aug Jin Air direct
28 Aug Jin Air direct
23 Aug Jin Air direct
21 Aug Jin Air 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