AirHint found the following cheapest return flights from London (LCY) to Belgrade (BEG) in April 2026 (see full year).

Return flights

08 Apr - 22 Apr	KLM
07 Apr - 22 Apr	KLM
07 Apr - 13 Apr	SWISS
18 Apr - 22 Apr	KLM
18 Apr - 20 Apr	KLM
20 Apr - 24 Apr	KLM
10 Apr - 20 Apr	KLM
10 Apr - 16 Apr	KLM
30 Apr - 04 May	Lufthansa
23 Apr - 27 Apr	Lufthansa
13 Apr - 16 Apr	Lufthansa
21 Apr - 19 May	Lufthansa
29 Apr - 04 May	Lufthansa
13 Apr - 01 May	Lufthansa
30 Apr - 03 May	Lufthansa
03 Apr - 05 May	KLM
29 Apr - 02 May	KLM
25 Apr - 10 May	SWISS

Also check the deals for one-way flights from London to Belgrade in April.

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 April from 233€

Return flights