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

One-Way flights

21 Dec	Pegasus Airlines	direct
08 Dec	Pegasus Airlines	direct
07 Dec	Pegasus Airlines	direct
22 Dec	Pegasus Airlines	direct
04 Dec	Pegasus Airlines	direct
19 Dec	Pegasus Airlines	direct
05 Dec	Pegasus Airlines	direct
29 Dec	AJet
29 Dec	Pegasus Airlines	direct
20 Dec	flydubai

Also check the deals for return 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 one-way flights from Istanbul to Belgrade in December from 55€

One-Way flights