Cheapest return flights from Denver to Ljubljana in October from $800

AirHint found the following cheapest return flights from Denver (DEN) to Ljubljana (LJU) in October 2025 (see full year).

Return flights

24 Oct - 31 Oct Turkish Airlines
26 Oct - 02 Nov Turkish Airlines
03 Oct - 10 Oct Turkish Airlines
04 Oct - 11 Oct Turkish Airlines
07 Oct - 14 Oct Turkish Airlines
21 Oct - 28 Oct Turkish Airlines
12 Oct - 19 Oct Turkish Airlines
11 Oct - 18 Oct Turkish Airlines
14 Oct - 21 Oct Turkish Airlines
27 Oct - 03 Nov Lufthansa
31 Oct - 07 Nov Lufthansa
06 Oct - 13 Oct Frontier Airlines

Also check the deals for one-way flights from Denver to Ljubljana in October.

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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