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

Return flights

05 May - 09 May	Wizz Air UK
02 May - 06 May	Air Serbia
26 May - 29 May	Air Serbia
05 May - 08 May	Wizz Air UK
22 May - 29 May	Air Serbia	direct
05 May - 08 May	Air Serbia	direct
26 May - 29 May	Air Serbia	direct
22 May - 26 May	Air Serbia	direct
16 May - 23 May	Air Serbia	direct
23 May - 29 May	Air Serbia	direct
29 May - 05 Jun	Air Serbia	direct

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

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 May from 170€

Return flights