AirHint found the following cheapest return flights from Ljubljana (LJU) to Lisbon (LIS) in January 2026 (see full year).

Return flights

28 Jan - 05 Feb	Air Serbia
29 Jan - 05 Feb	Lufthansa
29 Jan - 07 Feb	Air Serbia
29 Jan - 31 Jan	Air Serbia
31 Jan - 10 Feb	SWISS
27 Jan - 02 Feb	easyJet
26 Jan - 09 Feb	SWISS
20 Jan - 23 Jan	easyJet
20 Jan - 20 Feb	easyJet
20 Jan - 27 Jan	easyJet
17 Jan - 19 Jan	easyJet
25 Jan - 31 Jan	Lufthansa
17 Jan - 20 Jan	easyJet
17 Jan - 24 Jan	easyJet
21 Jan - 23 Jan	Air Serbia
16 Jan - 25 Jan	Air France
18 Jan - 24 Jan	Air Serbia
25 Jan - 15 Feb	Vueling Airlines

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

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 Ljubljana to Lisbon in January from $185

Return flights