Cheapest return flights from London to Ljubljana in September from $265

Best time to book flights for London (STN) to Ljubljana (LJU) flights at AirHint

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

Return flights

19 Sep - 22 Sep Ryanair
02 Sep - 05 Sep Ryanair
22 Sep - 25 Sep easyJet
22 Sep - 26 Sep easyJet
04 Sep - 18 Sep easyJet
27 Sep - 29 Sep easyJet
01 Sep - 11 Sep easyJet
26 Sep - 29 Sep Ryanair
15 Sep - 18 Sep easyJet
15 Sep - 25 Sep easyJet
27 Sep - 05 Oct easyJet
29 Sep - 05 Oct easyJet
26 Sep - 05 Oct Ryanair

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

Skyscanner

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.

Book a cheap hotel in Ljubljana

Cheap car rent in Ljubljana