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

Return flights

26 Jun - 01 Jul	Cathay Pacific
27 Jun - 01 Jul	Cathay Pacific
26 Jun - 30 Jun	Korean Air
05 Jun - 09 Jun	Korean Air
04 Jun - 09 Jun	Korean Air
23 Jun - 28 Jun	Korean Air
05 Jun - 02 Jul	Korean Air
05 Jun - 07 Jul	Korean Air
27 Jun - 02 Jul	Cathay Pacific
19 Jun - 21 Jun	Korean Air

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

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 June from 566€

Return flights