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

Return flights

02 Mar - 05 Mar	KLM
23 Mar - 27 Mar	KLM
11 Mar - 20 Mar	KLM
02 Mar - 08 Mar	KLM
11 Mar - 25 Mar	KLM
06 Mar - 09 Mar	KLM
06 Mar - 08 Mar	KLM
06 Mar - 11 Mar	KLM
03 Mar - 24 Mar	KLM
14 Mar - 22 Mar	KLM
30 Mar - 16 Apr	SWISS
30 Mar - 08 Apr	SWISS
31 Mar - 08 Apr	SWISS
31 Mar - 03 Apr	SWISS
31 Mar - 14 Apr	SWISS
31 Mar - 10 Apr	SWISS
01 Mar - 01 Apr	SWISS
30 Mar - 02 Apr	SWISS
30 Mar - 06 Apr	SWISS
31 Mar - 06 Apr	SWISS

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