Cheapest one-way flights from Seoul to Cheju in April from $16

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 April 2025 (see full year).

One-Way flights

09 Apr T'way Air direct
16 Apr T'way Air direct
07 Apr Jeju Air direct
29 Apr T'way Air direct
08 Apr Jin Air direct
01 Apr Eastar Jet direct
22 Apr Jin Air direct
13 Apr Jeju Air direct
15 Apr Jeju Air direct
28 Apr Jin Air direct

Also check the deals for return flights from Seoul to Cheju in April.

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