Cheapest return flights from Istanbul to Belgrade in September from 129€

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

Return flights

29 Sep - 02 Oct Wizz Air UK
24 Sep - 29 Sep Wizz Air UK
21 Sep - 24 Sep Wizz Air UK
15 Sep - 23 Sep Wizz Air UK
16 Sep - 19 Sep Pegasus Airlines
21 Sep - 27 Sep Wizz Air UK
08 Sep - 09 Sep Air Serbia
16 Sep - 24 Sep KLM
08 Sep - 11 Sep Pegasus Airlines
09 Sep - 12 Sep Pegasus Airlines
26 Sep - 29 Sep Pegasus Airlines
29 Sep - 02 Oct Pegasus Airlines direct
26 Sep - 02 Oct Pegasus Airlines direct
30 Sep - 01 Oct Air Serbia
27 Sep - 02 Oct Pegasus Airlines
26 Sep - 03 Oct Pegasus Airlines direct
29 Sep - 03 Oct Pegasus Airlines direct
29 Sep - 01 Oct AJet direct
23 Sep - 01 Oct Pegasus Airlines
29 Sep - 04 Oct Pegasus Airlines

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

Skyscanner

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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