The cheapest times to fly from DEN to ALS are

  • September 24th to December 31st (except the week of October 15th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from DEN to ALS is early to mid December. Prices can be as high as $237 for Saturday flights during mid July, or as low as $137 for Monday flights around early to mid December.


When to Fly to Alamosa

Flying from Denver, CO (DEN) to Alamosa, CO (ALS) will usually cost between $137 to $207 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid December with an average ticket price of $141. Due to high demand the most expensive time to fly is mid July, with an average price of $176. Planning your trip to low-cost times can easily save you $34 on economy flights and even more on first-class flights. Generally, any price below $152 can be considered a good price for a round-trip DEN to ALS flight.

See below for a graph of average weekly prices for the DEN to ALS route. All prices are for round-trip tickets in USD.

DEN to ALS Flight Prices

Compared to other flights, the DEN to ALS flight is much cheaper than the average and costs much less than the average flight leaving from Denver. The average price per mile (for a direct flight) is $0.52, which is above average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $38 (21%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $141. Return trip prices are from the ALS to DEN flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from DEN to ALS can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 18 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from DEN to ALS while comparing.

Destination alternative #1: Pueblo Memorial Airport (PUB) in Pueblo, CO

  • 95 miles (153 km) away from ALS
  • Usually 11.51% less expensive than ALS
  • Nonstop flights available

See DEN to PUB flights


Flight Questions Answered

Still have questions about flying from DEN to ALS? We’ve got answers.

Which airlines fly this route?

You can find 2 major airlines flying this route most often: Boutique Air, United, and potentially more during busy seasons.

How far away is it from San Luis Valley Regional/Bergman Field Airport to Denver International Airport?

The distance between the two airports is roughly 180 miles or 290 kilometers.

How long does it take to fly from DEN to ALS?

The real-world flight time for a nonstop DEN to ALS flight is about 1 hour 18 minutes.

How many flights go between Denver, CO and Alamosa, CO?

It depends on the day of the week and the date, but a typical day might have around 5 available flights from DEN to ALS.


Airport Location Info


Departing Airport

Origination code DEN
Origination airport name Denver International Airport
City Denver, CO
Country the United States
Latitude 39.9
Longitude -104.7

Return Airport

Destination code ALS
Destination airport name San Luis Valley Regional/Bergman Field Airport
City Alamosa, CO
Country the United States
Latitude 37.4
Longitude -105.9


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.