Cheapest return flights from Seoul to Cheju in April from $56

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

Return flights

01 Apr - 23 Apr T'way Air direct
06 Apr - 29 Apr T'way Air direct
21 Apr - 22 Apr T'way Air direct
21 Apr - 23 Apr T'way Air direct
21 Apr - 28 Apr T'way Air direct
21 Apr - 29 Apr T'way Air direct
07 Apr - 15 Apr T'way Air direct
07 Apr - 23 Apr T'way Air direct
07 Apr - 16 Apr T'way Air direct
07 Apr - 21 Apr T'way Air direct
14 Apr - 14 May Asiana Airlines direct
29 Apr - 01 May Asiana Airlines direct
28 Apr - 01 May Asiana Airlines direct
27 Apr - 01 May Asiana Airlines direct
26 Apr - 01 May Asiana Airlines direct
21 Apr - 11 May T'way Air direct
21 Apr - 07 May T'way Air direct
21 Apr - 12 May T'way Air direct
22 Apr - 11 May T'way Air direct
22 Apr - 07 May T'way Air direct

Also check the deals for one-way 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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