Cheap flights from Denver, CO to Ljubljana, Slovenia

Flights starting at £294. Choose between Frontier Airlines, Lufthansa, or Transavia to find the best price.

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Travelers usually depart from Denver International, or Rocky Mountain Metropolitan Airport when they travel from Denver to Ljubljana. The most popular airlines for this route are Frontier Airlines, Lufthansa, Transavia, Spirit Airlines, and Iberia Airlines. Denver and Ljubljana have 266 direct flights per week. When you arrive at Ljubljana, consider visiting Eisriesenwelt, Postojna Cave, and Lake Bled, Slovenia.

Check-in for a flight from Denver to Ljubljana

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
LufthansaDLHLHNo0
0
TransaviaTRAHVNoOpens 24 days before flight
Closes 4 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Iberia AirlinesIBEIBYesOpens 24 days before flight
Closes 3 hours before flight

Weather in Ljubljana

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-2°C
February5°C-1°C
March9°C1°C
April15°C5°C
May19°C9°C
June24°C13°C
July26°C15°C
August26°C15°C
September20°C11°C
October15°C7°C
November9°C3°C
December4°C-1°C
Hottest Month
26°C
July
Coldest month
-2°C
January
Sunny days
248
days per year
Snow days
13
days per year

14 day forecast

Friday
22 Mar
18°C7°C
29 Mar
87%
13°C8°C
Saturday
23 Mar
86%
15°C2°C
30 Mar
82%
14°C9°C
Sunday
24 Mar
85%
6°C0°C
31 Mar
88%
14°C10°C
Monday
25 Mar
84%
10°C-1°C
1 Apr
82%
14°C7°C
Tuesday
26 Mar
88%
10°C0°C
2 Apr
14°C6°C
Wednesday
27 Mar
88%
7°C5°C
3 Apr
16°C6°C
Thursday
28 Mar
89%
10°C7°C
4 Apr
87%
15°C8°C

Frequently asked questions

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