Cheapest one-way flights from Belgrade to Istanbul in September from $56

Best time to book flights for Belgrade (BEG) to Istanbul (IST) flights at AirHint

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

One-Way flights

16 Sep Air Serbia direct
15 Sep Air Serbia direct
27 Sep Air Serbia direct
18 Sep Air Serbia direct
17 Sep Air Serbia direct
06 Sep Air Serbia direct
11 Sep Air Serbia direct
25 Sep Pegasus Airlines direct
19 Sep Pegasus Airlines direct
05 Sep Pegasus Airlines direct

Also check the deals for return flights from Belgrade to Istanbul 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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