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

Return flights

18 Mar - 24 Mar	KLM
09 Mar - 13 Mar	KLM
04 Mar - 09 Mar	KLM
31 Mar - 03 Apr	KLM
31 Mar - 05 Apr	KLM
31 Mar - 04 Apr	KLM
14 Mar - 17 Mar	SWISS
01 Mar - 05 Mar	KLM
13 Mar - 18 Mar	SWISS
06 Mar - 13 Mar	KLM
09 Mar - 16 Mar	Lufthansa
21 Mar - 29 Mar	KLM
16 Mar - 19 Mar	Lufthansa
30 Mar - 03 Apr	Lufthansa
29 Mar - 03 Apr	KLM
29 Mar - 04 Apr	KLM
29 Mar - 01 Apr	KLM
28 Mar - 11 Apr	KLM

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.

Book a cheap hotel in Belgrade

Cheap car rent in Belgrade

Cheapest return flights from London to Belgrade in March from 204€

Return flights