Cheapest return flights from Istanbul to Belgrade in December from $154

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

Return flights

21 Dec - 28 Dec Pegasus Airlines
08 Dec - 12 Dec Pegasus Airlines direct
22 Dec - 11 Jan Pegasus Airlines direct
02 Dec - 09 Dec Wizz Air UK
08 Dec - 14 Dec Pegasus Airlines direct
05 Dec - 12 Dec Pegasus Airlines
03 Dec - 08 Dec Pegasus Airlines
05 Dec - 08 Dec Pegasus Airlines
12 Dec - 14 Dec Pegasus Airlines
07 Dec - 12 Dec Pegasus Airlines direct
07 Dec - 08 Dec Pegasus Airlines direct
30 Dec - 01 Jan Air Serbia
29 Dec - 07 Jan Turkish Airlines direct
31 Dec - 04 Jan Turkish Airlines direct
05 Dec - 06 Jan Turkish Airlines direct
27 Dec - 01 Jan Turkish Airlines direct
26 Dec - 05 Jan Turkish Airlines direct
20 Dec - 04 Jan Turkish Airlines direct
01 Dec - 01 Jan Air Serbia direct
30 Dec - 01 Jan Turkish Airlines direct

Also check the deals for one-way flights from Istanbul to Belgrade 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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