Key Lime Air
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United States
Denver International Airport
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United States
San Luis Valley Regional Airport
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Scan through all non-stop flights from Denver to Alamosa. The full flight schedule below gives an overview of all non-stop flights from DEN to ALS, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
The Mediterranean regions near Alamosa are known for their warm, arid summers, where temperatures often go beyond 30°C (86°F). In some inland spots, the heat can climb even higher, sometimes reaching 40°C (104°F) or more. The winters are pleasantly mild, accompanied by some rainfall. This lovely climate, paired with breathtaking landscapes and bright, sunny days attract visitors from around the globe.
Alamosa is a wonderful place to visit all year long, but spring (March-May) and fall (September-November) are the best seasons to visit. The weather is pleasantly warm during these times, especially since the summers can be quite hot in those regions.
Currently, there is only one airline operating non-stop flights from Denver DEN to Alamosa ALS, which is Key Lime Air. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their DEN ALS flight schedule.
Flights from DEN to ALS are operated 7 times a week, with an average of 1 flight per day. Departure times vary between 12:40 - 17:30. The earliest flight departs at 12:40, the last flight departs at 17:30. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
On this non-stop route, you can fly in Economy only.
The fastest direct flight from Denver to Alamosa takes 50 minutes. The flight distance between Denver and Alamosa is 179 miles (or 288 km).
There is 1 airport in Alamosa: San Luis Valley Regional Airport (ALS).
There are 7 flights per week flying from Denver to Alamosa (as of March 2026).
50 minutes is the average flight time from Denver to Alamosa.
The distance from Denver to Alamosa is 179 miles (288 kilometers).
Key Lime Air is the only airline flying nonstop from Denver to Alamosa.
There are no alliances flying direct from Denver to Alamosa at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Denver to Alamosa:
The earliest flight departs at 12:40 from Denver and arrives at 13:30 at Alamosa.
The latest flight departs at 17:30 from Denver and arrives at 18:25 at Alamosa.
179 miles (288 km) · 50m
12:40
13:30
Key Lime Air
KG 3583
Key Lime Air
Embraer RJ145
Y
W
J
F
17:30
18:25
Key Lime Air
KG 3587
Key Lime Air
Fairchild Dornier 328JET
Y
W
J
F
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