AirHint found the following cheapest return flights from Belgrade (BEG) to Lisbon (LIS) in September 2025 (see full year).

Return flights

20 Sep - 14 Oct	Wizz Air
20 Sep - 25 Sep	Wizz Air
27 Sep - 02 Oct	Wizz Air
30 Sep - 03 Oct	Wizz Air
20 Sep - 30 Sep	Wizz Air
27 Sep - 01 Oct	Wizz Air
20 Sep - 07 Oct	Wizz Air	direct
27 Sep - 03 Oct	Wizz Air
15 Sep - 15 Oct	Wizz Air
20 Sep - 24 Sep	Wizz Air
27 Sep - 30 Sep	Wizz Air	direct
27 Sep - 29 Sep	Wizz Air
20 Sep - 23 Sep	Wizz Air	direct
20 Sep - 30 Sep	Wizz Air	direct
27 Sep - 04 Oct	Wizz Air	direct
20 Sep - 29 Sep	Wizz Air
27 Sep - 11 Oct	Wizz Air	direct
20 Sep - 26 Sep	Wizz Air
20 Sep - 04 Oct	Wizz Air
21 Sep - 25 Sep	Wizz Air

Also check the deals for one-way flights from Belgrade to Lisbon 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 return flights from Belgrade to Lisbon in September from 124€

Return flights