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

Return flights

09 Oct - 23 Oct	Ryanair
18 Oct - 20 Oct	Air Serbia
09 Oct - 13 Oct	Ryanair
01 Oct - 08 Oct	Ryanair
09 Oct - 26 Nov	Ryanair
09 Oct - 14 Oct	Ryanair
04 Oct - 08 Oct	Ryanair
27 Oct - 29 Oct	Wizz Air Malta
06 Oct - 15 Oct	Ryanair
16 Oct - 29 Nov	Ryanair
25 Oct - 29 Nov	Ryanair
25 Oct - 26 Nov	Ryanair
16 Oct - 26 Nov	Ryanair
25 Oct - 12 Nov	Ryanair
23 Oct - 25 Nov	Ryanair
23 Oct - 26 Nov	Ryanair
23 Oct - 28 Nov	Ryanair
23 Oct - 29 Nov	Ryanair
16 Oct - 23 Oct	easyJet
16 Oct - 22 Oct	easyJet

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 $142

Return flights