AirHint found the following cheapest return flights from Istanbul (IST) to Belgrade (BEG) in January 2026 (see full year).

Return flights

15 Jan - 19 Jan	Pegasus Airlines	direct
12 Jan - 15 Jan	Pegasus Airlines	direct
13 Jan - 15 Jan	Pegasus Airlines
15 Jan - 22 Jan	Pegasus Airlines	direct
14 Jan - 16 Jan	Pegasus Airlines
19 Jan - 29 Jan	Pegasus Airlines
23 Jan - 29 Jan	Pegasus Airlines
14 Jan - 21 Jan	Wizz Air UK
15 Jan - 20 Jan	Pegasus Airlines
15 Jan - 18 Jan	Pegasus Airlines	direct
26 Jan - 06 Feb	Turkish Airlines	direct
29 Jan - 02 Feb	Air Serbia	direct
17 Jan - 01 Feb	Air Serbia

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

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 January from $136

Return flights