AirHint found the following cheapest return flights from Ljubljana (LJU) to Istanbul (IST) in January 2026 (see full year).

Return flights

01 Jan - 06 Jan	Air Serbia
16 Jan - 18 Jan	Lufthansa
23 Jan - 25 Jan	Lufthansa
16 Jan - 18 Jan	Turkish Airlines	direct
23 Jan - 25 Jan	Turkish Airlines	direct
30 Jan - 01 Feb	Turkish Airlines	direct
19 Jan - 15 Feb	Turkish Airlines	direct
31 Jan - 07 Feb	Turkish Airlines	direct
09 Jan - 11 Jan	Turkish Airlines	direct

Also check the deals for one-way flights from Ljubljana to Istanbul in January.

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 Ljubljana to Istanbul in January from 185€

Return flights