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

Return flights

29 Oct - 05 Nov	KLM
08 Oct - 11 Oct	KLM
27 Oct - 30 Oct	KLM
08 Oct - 13 Oct	KLM
03 Oct - 07 Oct	KLM
16 Oct - 20 Oct	KLM
25 Oct - 30 Oct	KLM
25 Oct - 28 Oct	KLM
31 Oct - 05 Nov	KLM
07 Oct - 10 Oct	KLM
22 Oct - 28 Oct	Lufthansa
31 Oct - 04 Nov	KLM
27 Oct - 03 Nov	SWISS
31 Oct - 03 Nov	SWISS
15 Oct - 22 Oct	Lufthansa
30 Oct - 02 Nov	SWISS
27 Oct - 01 Nov	KLM
26 Oct - 01 Nov	ITA Airways

Also check the deals for one-way flights from London 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 London to Belgrade in October from 221€

Return flights