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

Return flights

29 Sep - 30 Sep	easyJet
21 Sep - 24 Sep	easyJet
23 Sep - 30 Sep	Wizz Air UK
30 Sep - 03 Oct	Wizz Air UK
27 Sep - 02 Oct	Wizz Air UK
17 Sep - 24 Sep	Wizz Air
27 Sep - 30 Sep	Wizz Air UK
27 Sep - 04 Oct	Wizz Air
02 Sep - 06 Sep	Wizz Air	direct
30 Sep - 25 Oct	Wizz Air UK
29 Sep - 11 Oct	easyJet
27 Sep - 10 Oct	Wizz Air
21 Sep - 25 Sep	Wizz Air
29 Sep - 04 Oct	easyJet
20 Sep - 30 Sep	Wizz Air
30 Sep - 11 Oct	Wizz Air UK
22 Sep - 25 Sep	Wizz Air
29 Sep - 05 Oct	easyJet
20 Sep - 24 Sep	Wizz Air
27 Sep - 07 Oct	Wizz Air	direct

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 $166

Return flights