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

Return flights

13 Jun - 20 Jun	Lufthansa
06 Jun - 13 Jun	Lufthansa
27 Jun - 05 Jul	Air Serbia
14 Jun - 21 Jun	Air Serbia
13 Jun - 21 Jun	Air Serbia
10 Jun - 16 Jun	Lufthansa
22 Jun - 26 Jun	Lufthansa
15 Jun - 22 Jun	Lufthansa
22 Jun - 29 Jun	Lufthansa
27 Jun - 04 Jul	Air Serbia
15 Jun - 19 Jun	Lufthansa
24 Jun - 28 Jun	Lufthansa
27 Jun - 21 Jul	Air Serbia
27 Jun - 22 Jul	Lufthansa
27 Jun - 04 Jul	British Airways	direct
27 Jun - 05 Jul	British Airways	direct

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

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 June from 178€

Return flights