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

Return flights

10 Dec - 17 Jan	Pegasus Airlines
23 Dec - 26 Dec	Pegasus Airlines
10 Dec - 17 Dec	Pegasus Airlines
10 Dec - 12 Dec	AJet
17 Dec - 20 Dec	Pegasus Airlines
14 Dec - 17 Dec	Pegasus Airlines
11 Dec - 14 Dec	AJet
07 Dec - 11 Dec	AJet
11 Dec - 12 Dec	AJet
07 Dec - 11 Dec	Pegasus Airlines	direct
10 Dec - 16 Dec	AJet
21 Dec - 21 Jan	AJet
27 Dec - 12 Jan	Pegasus Airlines
30 Dec - 07 Jan	AJet
12 Dec - 12 Jan	AJet
31 Dec - 05 Jan	AJet
23 Dec - 01 Jan	AJet
31 Dec - 08 Jan	AJet
25 Dec - 05 Jan	AJet
12 Dec - 28 Jan	AJet

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

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 Istanbul to Belgrade in December from 169€

Return flights