Cheapest return flights from Porto to Ljubljana in September from 229€

Best time to book flights for Porto (OPO) to Ljubljana (LJU) flights at AirHint

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

Return flights

04 Sep - 08 Sep KLM
20 Sep - 28 Sep KLM
06 Sep - 10 Sep KLM
06 Sep - 09 Sep KLM
02 Sep - 11 Sep SWISS
29 Sep - 03 Oct easyJet
29 Sep - 04 Oct SWISS
05 Sep - 08 Sep Volotea
05 Sep - 09 Sep Ryanair
28 Sep - 04 Oct Lufthansa
15 Sep - 25 Sep Transavia France
06 Sep - 14 Sep transavia

Also check the deals for one-way flights from Porto 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.

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