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

Return flights

08 Jun - 13 Jun	Lufthansa
17 Jun - 27 Jun	Lufthansa
25 Jun - 27 Jun	Lufthansa
11 Jun - 16 Jun	Lufthansa
20 Jun - 27 Jun	Lufthansa
04 Jun - 08 Jun	Lufthansa
04 Jun - 10 Jun	Lufthansa
13 Jun - 21 Jun	Lufthansa
12 Jun - 16 Jun	SWISS
12 Jun - 15 Jun	SWISS
30 Jun - 08 Jul	Lufthansa
30 Jun - 02 Jul	British Airways	direct
30 Jun - 08 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 189€

Return flights