Cheapest return flights from Ljubljana to Porto in September from $256

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

Return flights

10 Sep - 14 Sep Air Serbia
18 Sep - 22 Sep Transavia France
10 Sep - 17 Sep Lufthansa
03 Sep - 08 Sep Vueling Airlines
11 Sep - 15 Sep Transavia France
05 Sep - 12 Sep SWISS
07 Sep - 09 Sep Air Serbia

Also check the deals for one-way flights from Ljubljana to Porto 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 Porto

Cheap car rent in Porto

Feel free to contact us with any feedback or request another flight research.