Cheapest return flights from Istanbul to Belgrade in May from $188

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

Return flights

12 May - 15 May Wizz Air UK
26 May - 28 May Air Serbia
30 May - 01 Jun Air Serbia
18 May - 22 May Pegasus Airlines
06 May - 11 May Air Serbia direct
21 May - 07 Jun Air Serbia
31 May - 01 Jun Pegasus Airlines direct
22 May - 25 May Pegasus Airlines direct
04 May - 11 May Air Serbia direct
21 May - 07 Jun Pegasus Airlines direct
18 May - 22 May Pegasus Airlines direct
30 May - 01 Jun Air Serbia direct
12 May - 15 May Air Serbia direct
26 May - 31 May Air Serbia direct
04 May - 10 May Pegasus Airlines direct

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

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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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