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

Return flights

22 Apr - 29 Apr	Lufthansa
29 Apr - 05 May	Lufthansa
06 Apr - 10 Apr	Brussels Airlines
02 Apr - 07 Apr	Brussels Airlines
17 Apr - 21 Apr	Brussels Airlines
12 Apr - 19 Apr	LOT
17 Apr - 24 Apr	LOT
15 Apr - 19 Apr	Lufthansa
17 Apr - 19 Apr	LOT
24 Apr - 26 Apr	LOT
20 Apr - 24 Apr	Brussels Airlines

Also check the deals for one-way flights from London to Ljubljana in April.

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 April from 186€

Return flights