Cheapest one-way flights from Seoul to Cheju in April from $27

AirHint found the following cheapest one-way flights from Seoul (GMP) to Cheju (CJU) in April 2026 (see full year).

One-Way flights

21 Apr T'way Air direct
06 Apr T'way Air direct
07 Apr T'way Air direct
01 Apr T'way Air direct
22 Apr T'way Air direct
13 Apr T'way Air direct
08 Apr T'way Air direct
14 Apr T'way Air direct
27 Apr T'way Air direct
20 Apr T'way Air direct

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

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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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