Cheapest return flights from Istanbul to Belgrade in December from $179

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

Return flights

22 Dec - 25 Dec Pegasus Airlines
11 Dec - 15 Dec Pegasus Airlines direct
05 Dec - 06 Dec Air Serbia
19 Dec - 20 Dec Air Serbia
02 Dec - 12 Dec Wizz Air UK
08 Dec - 12 Dec AJet direct
25 Dec - 11 Jan Pegasus Airlines direct
01 Dec - 08 Dec AJet direct
03 Dec - 11 Dec Pegasus Airlines
14 Dec - 22 Dec Pegasus Airlines direct
08 Dec - 11 Dec Pegasus Airlines direct
26 Dec - 12 Jan Pegasus Airlines direct
25 Dec - 05 Jan Pegasus Airlines direct
20 Dec - 06 Jan Turkish Airlines direct
28 Dec - 05 Jan Turkish Airlines direct
18 Dec - 12 Jan Pegasus Airlines direct
27 Dec - 05 Jan Turkish Airlines direct
26 Dec - 03 Jan Pegasus Airlines
26 Dec - 04 Jan Pegasus Airlines
25 Dec - 04 Jan Pegasus Airlines

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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