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

Return flights

07 Apr - 16 Apr	SWISS
11 Apr - 14 Apr	KLM
07 Apr - 14 Apr	KLM
24 Apr - 28 Apr	Lufthansa
13 Apr - 16 Apr	Lufthansa
17 Apr - 21 Apr	Lufthansa
17 Apr - 20 Apr	Lufthansa
16 Apr - 19 Apr	Lufthansa
24 Apr - 27 Apr	Lufthansa
17 Apr - 19 Apr	Lufthansa
29 Apr - 11 May	Lufthansa
30 Apr - 12 May	Lufthansa
30 Apr - 04 May	Lufthansa
24 Apr - 03 May	Lufthansa
30 Apr - 03 May	KLM
26 Apr - 02 May	KLM
30 Apr - 01 May	KLM

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 $268

Return flights