BOI to DEN: Distance and Flight Time
The distance from Boise Air Terminal/Gowen Field (BOI) to Denver International Airport (DEN) is 1,042 km (648 mi). A typical nonstop flight covers it in about 1h 50m, heading east. The distance is the same in either direction (DEN to BOI).
How far is it from Boise to Denver?
The great-circle distance between Boise Air Terminal/Gowen Field (BOI) and Denver International Airport (DEN) is 1,042 km (648 mi, 563 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 BOI to DEN?
A nonstop flight typically takes about 1h 50m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. DEN is roughly east of BOI.
How is the BOI to DEN route written in code?
The pair is written BOI-DEN in IATA codes and KBOI-KDEN in ICAO codes, the form used on a flight plan. Boise Air Terminal/Gowen Field is BOI (KBOI), Denver International Airport is DEN (KDEN).
| BOI | DEN | |
|---|---|---|
| Airport | Boise Air Terminal/Gowen Field | Denver International Airport |
| ICAO code | KBOI | KDEN |
| Country | United States | United States |
| Elevation | 2,871 ft | 5,431 ft |
| Rank by connections | #580 | #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 2,560 ft (780 m) higher than BOI, which is a real difference in air density on takeoff.
Airlines flying BOI to DEN
2 airlines appear on this route in the open route dataset, 2 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 |
|---|---|---|---|---|
| UA | United Airlines | UAL | United | Active |
| WN | Southwest Airlines | SWA | Southwest | Active |
A further 1 carrier sell this pair as a codeshare without operating it: FL.
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 Boise from Denver?
Boise Air Terminal/Gowen Field (BOI) and Denver International Airport (DEN) are 1,042 km (648 mi, 563 nautical miles) apart in a straight line.
How long is the flight from BOI to DEN?
A typical nonstop flight between BOI and DEN takes about 1h 50m. Actual times vary with aircraft type, winds and routing.
What direction is DEN from BOI?
Denver International Airport (DEN) lies roughly east of Boise Air Terminal/Gowen Field (BOI).
Which airlines fly BOI to DEN?
2 airlines appear on the BOI-DEN route in the open dataset, including United Airlines, Southwest Airlines.
Related routes
Other routes from Boise (BOI):
Other routes from Denver (DEN):
BOI airport code · DEN airport code · Busiest airports worldwide