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

Return flights

21 Oct - 25 Oct	easyJet
07 Oct - 14 Oct	easyJet
22 Oct - 27 Oct	Ryanair
30 Oct - 02 Nov	easyJet
07 Oct - 14 Oct	Wizz Air	direct
22 Oct - 25 Oct	Ryanair
14 Oct - 21 Oct	easyJet
08 Oct - 15 Oct	easyJet
23 Oct - 27 Oct	Ryanair
21 Oct - 28 Oct	easyJet
16 Oct - 21 Oct	easyJet
31 Oct - 02 Nov	easyJet
26 Oct - 02 Nov	easyJet
30 Oct - 02 Nov	Air Serbia	direct
26 Oct - 02 Nov	Air Serbia	direct

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

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 October from $150

Return flights