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

Return flights

13 Apr - 23 Apr	Cathay Pacific
13 Apr - 16 Apr	Cathay Pacific
19 Apr - 25 Apr	Cathay Pacific
21 Apr - 25 Apr	Cathay Pacific
12 Apr - 18 Apr	Korean Air
13 Apr - 17 Apr	Korean Air
14 Apr - 18 Apr	Korean Air
17 Apr - 22 Apr	Korean Air
15 Apr - 19 Apr	Korean Air
16 Apr - 21 Apr	Korean Air
30 Apr - 04 May	Korean Air
29 Apr - 04 May	Korean Air
29 Apr - 03 May	Korean Air

Also check the deals for one-way flights from Kaohsiung to Cheju in April.

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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Cheapest return flights from Kaohsiung to Cheju in April from 510€

Return flights