Boise (BOI) to Denver (DEN) flights
Nonstop from Boise Air Terminal/Gowen Field to Denver International: distance, flying time, which airlines fly it and how often.
Distance
1,042km
647 mi, great circle
Flying time
2h 02m
typical, gate to gate
Flights a day
9
average, November 2026
Airlines
2
passenger airlines
Airlines flying BOI to DEN
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare BOI to DEN fares by month.
Both directions
Frequently asked questions
How long is the flight from Boise to Denver?
About 2h 02m gate to gate for the 1,042 km (647 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from BOI to DEN?
Southwest Airlines and United Airlines, with about 9 flights a day between them in our data (AeroDataBox, November 2026).