ALS to DEN: Distance and Flight Time
The distance from San Luis Valley Regional Airport/Bergman Field (ALS) to Denver International Airport (DEN) is 289 km (180 mi). A typical nonstop flight covers it in about 50m, heading north. The distance is the same in either direction (DEN to ALS).
How far is it from Alamosa to Denver?
The great-circle distance between San Luis Valley Regional Airport/Bergman Field (ALS) and Denver International Airport (DEN) is 289 km (180 mi, 156 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from ALS to DEN?
A nonstop flight typically takes about 50m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. DEN is roughly north of ALS.
How is the ALS to DEN route written in code?
The pair is written ALS-DEN in IATA codes and KALS-KDEN in ICAO codes, the form used on a flight plan. San Luis Valley Regional Airport/Bergman Field is ALS (KALS), Denver International Airport is DEN (KDEN).
| ALS | DEN | |
|---|---|---|
| Airport | San Luis Valley Regional Airport/Bergman Field | Denver International Airport |
| ICAO code | KALS | KDEN |
| Country | United States | United States |
| Elevation | 7,539 ft | 5,431 ft |
| Rank by connections | #1244 | #15 |
Both ICAO codes start with K, the prefix ICAO assigns to the contiguous United States, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
DEN sits 2,108 ft (643 m) lower than ALS, which is a real difference in air density on takeoff.
Airlines flying ALS to DEN
1 airline appear on this route in the open route dataset, 1 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| ZK | Great Lakes Airlines | GLA | Lakes Air | Active |
A further 2 carriers sell this pair as a codeshare without operating it: F9, UA.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Alamosa from Denver?
San Luis Valley Regional Airport/Bergman Field (ALS) and Denver International Airport (DEN) are 289 km (180 mi, 156 nautical miles) apart in a straight line.
How long is the flight from ALS to DEN?
A typical nonstop flight between ALS and DEN takes about 50m. Actual times vary with aircraft type, winds and routing.
What direction is DEN from ALS?
Denver International Airport (DEN) lies roughly north of San Luis Valley Regional Airport/Bergman Field (ALS).
Which airlines fly ALS to DEN?
1 airline appear on the ALS-DEN route in the open dataset, including Great Lakes Airlines.
Related routes
Other routes from Alamosa (ALS):
Other routes from Denver (DEN):
ALS airport code · DEN airport code · Busiest airports worldwide