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

Return flights

03 Mar - 10 Mar	Lufthansa
14 Mar - 19 Mar	Lufthansa
05 Mar - 09 Mar	Lufthansa
15 Mar - 20 Mar	Lufthansa
06 Mar - 10 Mar	Lufthansa
13 Mar - 16 Mar	Lufthansa
06 Mar - 09 Mar	Lufthansa
20 Mar - 25 Mar	Lufthansa
12 Mar - 17 Mar	Lufthansa
11 Mar - 23 Mar	Brussels Airlines
29 Mar - 02 Apr	Air Serbia
29 Mar - 01 Apr	Air Serbia
31 Mar - 07 Apr	Lufthansa
29 Mar - 01 Apr	British Airways	direct
29 Mar - 05 Apr	British Airways	direct
30 Mar - 05 Apr	Lufthansa
27 Mar - 02 Apr	LOT
31 Mar - 06 Apr	Lufthansa
31 Mar - 02 Apr	Lufthansa
30 Mar - 06 Apr	LOT

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 167€

Return flights