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

One-Way flights

24 Sep	Wizz Air Malta
17 Sep	Wizz Air Malta
25 Sep	Wizz Air Malta
19 Sep	Wizz Air Malta
23 Sep	Wizz Air Malta
18 Sep	Wizz Air Malta
30 Sep	Wizz Air Malta
11 Sep	Wizz Air Malta
10 Sep	Wizz Air Malta
16 Sep	Wizz Air Malta

Also check the deals for return flights from Madrid to Belgrade in September.

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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Cheapest one-way flights from Madrid to Belgrade in September from $41

One-Way flights