AirHint found the following cheapest return flights from London (LHR) to Ljubljana (LJU) in March 2026 (see full year).

Return flights

25 Mar - 29 Mar	Air Serbia
06 Mar - 10 Mar	Lufthansa
12 Mar - 16 Mar	Lufthansa
06 Mar - 13 Mar	Lufthansa
06 Mar - 11 Mar	Lufthansa
07 Mar - 14 Mar	SWISS
01 Mar - 06 Mar	SWISS
07 Mar - 11 Mar	SWISS
09 Mar - 14 Mar	Lufthansa
21 Mar - 23 Mar	SWISS
16 Mar - 06 Apr	Brussels Airlines
30 Mar - 03 Apr	Air Serbia
27 Mar - 02 Apr	SWISS
29 Mar - 03 Apr	LOT
29 Mar - 03 Apr	British Airways	direct
30 Mar - 03 Apr	British Airways	direct

Also check the deals for one-way flights from London to Ljubljana 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 Ljubljana in March from $172

Return flights