Cheapest return flights from Ljubljana to Istanbul in December from $168

Best time to book flights for Ljubljana (LJU) to Istanbul (IST) flights at AirHint

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

Return flights

03 Dec - 13 Dec Turkish Airlines direct
01 Dec - 05 Dec Turkish Airlines direct
01 Dec - 08 Dec Turkish Airlines direct
12 Dec - 18 Dec Turkish Airlines direct
02 Dec - 07 Dec Turkish Airlines direct
16 Dec - 21 Dec Turkish Airlines direct
10 Dec - 12 Dec Air Serbia
20 Dec - 24 Dec Turkish Airlines direct
10 Dec - 12 Dec Turkish Airlines direct
15 Dec - 29 Dec Turkish Airlines direct
16 Dec - 02 Jan Air Serbia
24 Dec - 09 Jan LOT
26 Dec - 05 Jan Air Serbia
20 Dec - 05 Jan Air Serbia
17 Dec - 04 Jan Air Serbia
19 Dec - 02 Jan Air Serbia
17 Dec - 04 Jan Turkish Airlines direct
16 Dec - 02 Jan Turkish Airlines direct
20 Dec - 05 Jan Turkish Airlines direct
24 Dec - 09 Jan Turkish Airlines direct

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

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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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