Cheapest return flights from Cheju to Istanbul in December from 786€

AirHint found the following cheapest return flights from Cheju (CJU) to Istanbul (IST) in December 2025 (see full year).

Return flights

11 Dec - 16 Dec Asiana Airlines

Also check the deals for one-way flights from Cheju to Istanbul in December.

Skyscanner

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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