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

Return flights

03 Jun - 09 Jun	Korean Air	direct
01 Jun - 04 Jun	Korean Air	direct
15 Jun - 19 Jun	Korean Air	direct
20 Jun - 24 Jun	Korean Air	direct
13 Jun - 20 Jun	Korean Air	direct
19 Jun - 22 Jun	Korean Air	direct

Also check the deals for one-way flights from Busan 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 Busan to Cheju in June from 93€

Return flights