AirHint found the following cheapest return flights from London (STN) to Ljubljana (LJU) in July 2025 (see full year).

Return flights

21 Jul - 28 Jul	Ryanair
15 Jul - 19 Jul	Jet2
21 Jul - 25 Jul	Ryanair
21 Jul - 01 Aug	Ryanair
15 Jul - 18 Jul	Jet2
20 Jul - 28 Jul	Ryanair
20 Jul - 25 Jul	Ryanair
16 Jul - 22 Jul	Ryanair
31 Jul - 01 Aug	Ryanair
16 Jul - 21 Jul	Ryanair
22 Jul - 11 Aug	Jet2
31 Jul - 04 Aug	Ryanair
21 Jul - 27 Jul	Ryanair
15 Jul - 21 Jul	Jet2
28 Jul - 08 Aug	Ryanair
28 Jul - 04 Aug	Ryanair
31 Jul - 06 Aug	Ryanair
28 Jul - 01 Aug	Ryanair
22 Jul - 01 Aug	Jet2
29 Jul - 04 Aug	Jet2

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 309€

Return flights