Cheapest return flights from Istanbul to Belgrade in April from 135€

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

Return flights

02 Apr - 04 Apr Air Serbia direct
07 Apr - 09 Apr Air Serbia direct
21 Apr - 24 Apr Air Serbia direct
13 Apr - 18 Apr Air Serbia direct
06 Apr - 10 Apr Air Serbia direct
25 Apr - 28 Apr Air Serbia direct
10 Apr - 13 Apr Air Serbia direct
20 Apr - 24 Apr Air Serbia direct
06 Apr - 12 Apr Air Serbia direct
11 Apr - 13 Apr Air Serbia direct
30 Apr - 06 May Pegasus Airlines
25 Apr - 12 May Air Serbia direct
26 Apr - 03 May Pegasus Airlines
23 Apr - 02 May Wizz Air UK
28 Apr - 05 May Air Serbia direct
30 Apr - 06 May Air Serbia direct
27 Apr - 17 May Air Serbia direct
24 Apr - 08 May Air Serbia direct
30 Apr - 04 May Air Serbia direct
29 Apr - 04 May Air Serbia direct

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

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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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