Cheapest return flights from Denver to Ljubljana in March from 648€

AirHint found the following cheapest return flights from Denver (DEN) to Ljubljana (LJU) in March 2026 (see full year).

Return flights

23 Mar - 30 Mar Air Canada
18 Mar - 25 Mar Lufthansa
24 Mar - 31 Mar Frontier Airlines
31 Mar - 07 Apr Turkish Airlines
26 Mar - 02 Apr Frontier Airlines
19 Mar - 26 Mar Air Canada
29 Mar - 05 Apr Lufthansa
30 Mar - 06 Apr Frontier Airlines
25 Mar - 01 Apr Frontier Airlines
27 Mar - 03 Apr Turkish Airlines
28 Mar - 04 Apr Frontier Airlines
22 Mar - 29 Mar Air Canada

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

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