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

Return flights

11 Mar - 18 Mar	KLM
23 Mar - 27 Mar	KLM
02 Mar - 05 Mar	KLM
18 Mar - 22 Mar	KLM
20 Mar - 25 Mar	KLM
20 Mar - 26 Mar	KLM
16 Mar - 25 Mar	KLM
17 Mar - 25 Mar	KLM
18 Mar - 25 Mar	KLM
20 Mar - 23 Mar	KLM
31 Mar - 10 Apr	SWISS
30 Mar - 15 Apr	SWISS
31 Mar - 03 Apr	SWISS
11 Mar - 12 Apr	Lufthansa
27 Mar - 09 Apr	SWISS
27 Mar - 12 Apr	SWISS
27 Mar - 06 Apr	SWISS
29 Mar - 02 Apr	KLM
29 Mar - 05 Apr	KLM
28 Mar - 13 Apr	ITA Airways

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

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 March from $248

Return flights