DEN to TUS: Distance and Flight Time
The distance from Denver International Airport (DEN) to Tucson International Airport (TUS) is 1,029 km (639 mi). A typical nonstop flight covers it in about 1h 45m, heading southwest. The distance is the same in either direction (TUS to DEN).
How far is it from Denver to Tucson?
The great-circle distance between Denver International Airport (DEN) and Tucson International Airport (TUS) is 1,029 km (639 mi, 555 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 DEN to TUS?
A nonstop flight typically takes about 1h 45m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. TUS is roughly southwest of DEN.
How is the DEN to TUS route written in code?
The pair is written DEN-TUS in IATA codes and KDEN-KTUS in ICAO codes, the form used on a flight plan. Denver International Airport is DEN (KDEN), Tucson International Airport is TUS (KTUS).
| DEN | TUS | |
|---|---|---|
| Airport | Denver International Airport | Tucson International Airport |
| ICAO code | KDEN | KTUS |
| Country | United States | United States |
| Elevation | 5,431 ft | 2,643 ft |
| Rank by connections | #15 | #451 |
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.
TUS sits 2,788 ft (850 m) lower than DEN, which is a real difference in air density on takeoff.
Airlines flying DEN to TUS
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 |
|---|---|---|---|---|
| WN | Southwest Airlines | SWA | Southwest | Active |
A further 2 carriers sell this pair as a codeshare without operating it: FL, 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 Denver from Tucson?
Denver International Airport (DEN) and Tucson International Airport (TUS) are 1,029 km (639 mi, 555 nautical miles) apart in a straight line.
How long is the flight from DEN to TUS?
A typical nonstop flight between DEN and TUS takes about 1h 45m. Actual times vary with aircraft type, winds and routing.
What direction is TUS from DEN?
Tucson International Airport (TUS) lies roughly southwest of Denver International Airport (DEN).
Which airlines fly DEN to TUS?
1 airline appear on the DEN-TUS route in the open dataset, including Southwest Airlines.
Related routes
Other routes from Denver (DEN):
Other routes from Tucson (TUS):
DEN airport code · TUS airport code · Busiest airports worldwide