Cheapest return LIS–BEG flights, September

AirHint found the following cheapest return flights from Lisbon (LIS) to Belgrade (BEG) in September 2026 (see full year).

Return flights

08 Sep - 16 Sep Vueling Airlines
10 Sep - 18 Sep easyJet
08 Sep - 15 Sep Vueling Airlines
08 Sep - 17 Sep Vueling Airlines
03 Sep - 08 Sep Air Serbia direct
17 Sep - 22 Sep Air Serbia
04 Sep - 10 Sep Air Serbia
02 Sep - 08 Sep easyJet
07 Sep - 15 Sep easyJet
17 Sep - 21 Sep Air Serbia

Also check the deals for one-way flights from Lisbon to Belgrade in September.

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