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

Return flights

11 Jul - 14 Jul	Lufthansa
11 Jul - 21 Jul	Lufthansa
15 Jul - 18 Jul	Lufthansa
11 Jul - 18 Jul	Lufthansa
13 Jul - 25 Jul	Lufthansa
25 Jul - 01 Aug	Lufthansa
25 Jul - 08 Aug	Lufthansa
15 Jul - 22 Jul	Lufthansa
11 Jul - 19 Jul	Air Serbia
19 Jul - 26 Jul	Air Serbia
27 Jul - 03 Aug	Lufthansa
15 Jul - 19 Jul	Lufthansa
02 Jul - 05 Jul	Lufthansa
25 Jul - 01 Aug	British Airways	direct
25 Jul - 08 Aug	British Airways	direct
27 Jul - 03 Aug	British Airways	direct

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

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 July from 178€

Return flights