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

Return flights

08 Oct - 15 Oct	Wizz Air Malta
22 Oct - 27 Oct	Ryanair
22 Oct - 28 Oct	Ryanair
09 Oct - 13 Oct	Ryanair
16 Oct - 20 Oct	easyJet
04 Oct - 09 Oct	easyJet
05 Oct - 10 Oct	easyJet
25 Oct - 27 Oct	easyJet
24 Oct - 27 Oct	easyJet
18 Oct - 21 Oct	Ryanair
19 Oct - 04 Nov	Ryanair
27 Oct - 01 Nov	Air Serbia	direct
29 Oct - 02 Nov	Air Serbia
19 Oct - 04 Nov	Air Serbia	direct
31 Oct - 02 Nov	Ryanair
29 Oct - 02 Nov	Lufthansa	direct
31 Oct - 02 Nov	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Belgrade in October from 132€

Return flights