Cheapest one-way flights from Istanbul to Belgrade in September from 69€

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

One-Way flights

23 Sep Pegasus Airlines
29 Sep AJet
29 Sep Pegasus Airlines direct
24 Sep Pegasus Airlines
28 Sep Air Serbia direct
20 Sep Air Serbia direct
21 Sep Air Serbia direct
26 Sep AJet direct
30 Sep Pegasus Airlines
30 Sep Air Serbia direct

Also check the deals for return 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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