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

Return flights

17 Mar - 14 Apr	Ryanair
13 Mar - 16 Mar	Ryanair
17 Mar - 13 Apr	Ryanair
18 Mar - 13 Apr	Vueling Airlines
19 Mar - 26 Mar	Air Serbia	direct
18 Mar - 25 Mar	easyJet
24 Mar - 31 Mar	Air Serbia	direct
12 Mar - 15 Mar	Ryanair
07 Mar - 14 Mar	easyJet
19 Mar - 14 Apr	Air Serbia
10 Mar - 22 Mar	Ryanair
20 Mar - 13 Apr	Ryanair
16 Mar - 13 Apr	Ryanair
24 Mar - 05 Apr	Vueling Airlines
17 Mar - 11 Apr	Ryanair
15 Mar - 31 Mar	Ryanair
08 Mar - 17 Mar	Ryanair
26 Mar - 31 Mar	Ryanair
19 Mar - 13 Apr	Air Serbia
29 Mar - 12 Apr	Vueling Airlines

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

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 Lisbon to Belgrade in March from 129€

Return flights