Cheapest return flights from Ljubljana to Lisbon in September from $233

Best time to book flights for Ljubljana (LJU) to Lisbon (LIS) flights at AirHint

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

Return flights

23 Sep - 29 Sep KLM
23 Sep - 01 Oct KLM
24 Sep - 01 Oct Lufthansa
24 Sep - 30 Sep Lufthansa
21 Sep - 30 Sep Lufthansa
22 Sep - 30 Sep Lufthansa
23 Sep - 30 Sep Lufthansa
18 Sep - 25 Sep KLM
25 Sep - 01 Oct Lufthansa
20 Sep - 30 Sep SWISS
17 Sep - 24 Sep Lufthansa
25 Sep - 30 Sep Lufthansa
16 Sep - 23 Sep Transavia France

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

Cheap car rent in Lisbon