Cheapest return flights from Istanbul to Belgrade in December from 135€

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

Return flights

01 Dec - 07 Dec AJet direct
01 Dec - 08 Dec Pegasus Airlines direct
03 Dec - 05 Dec AJet
03 Dec - 08 Dec Pegasus Airlines
01 Dec - 04 Dec Pegasus Airlines direct
03 Dec - 05 Dec AJet direct
20 Dec - 21 Dec Air Serbia
03 Dec - 08 Dec Air Serbia direct
21 Dec - 26 Dec Pegasus Airlines
21 Dec - 26 Dec Pegasus Airlines direct
28 Dec - 04 Jan Turkish Airlines direct
22 Dec - 04 Jan Turkish Airlines direct
31 Dec - 07 Jan Turkish Airlines direct
28 Dec - 05 Jan Turkish Airlines direct
27 Dec - 01 Jan Turkish Airlines direct
29 Dec - 01 Jan Turkish Airlines direct
26 Dec - 02 Jan LOT
25 Dec - 02 Jan Turkish Airlines direct
28 Dec - 02 Jan Aegean Airlines
27 Dec - 02 Jan Aegean 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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