BoiseDenver
Flights from Boise to Denver
Nonstop flights from Boise (BOI) to Denver (DEN) take about 1h 48m (1,042 km). Southwest Airlines and United Airlines fly it. Lowest fare seen: $129 one-way, nonstop (22 Oct 2026).
When you land in Denver
The airport transfer and the few things worth sorting before you fly.
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Airlines flying Boise to Denver
Carriers on BOI–DEN according to our route data and nonstop fares seen as of 22 Oct 2026. Not a complete list.
✈ Southwest Airlinesnonstop fare seen✈ United Airlinesnonstop fare seen
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Frequently asked questions — Boise to Denver flights
How long is the flight from Boise to Denver?
A nonstop flight from Boise (BOI) to Denver (DEN) takes about 1h 48m, covering 1,042 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is Boise from Denver by air?
The great-circle distance between Boise Air Terminal/Gowen Field and Denver International Airport is 1,042 km (647 miles), a short-haul route.
Which airlines fly from Boise to Denver?
Airlines with flights or nonstop fares on the BOI–DEN route include Southwest Airlines and United Airlines. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from Boise to Denver cost?
The lowest one-way fare seen recently on BOI–DEN was $129 USD with Southwest Airlines (nonstop), departing 13 Jan 2027, found in fare searches as of 22 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
Is it cheaper to fly nonstop or with a stop from Boise to Denver?
In the fares we saw (22 Oct 2026), connecting was cheaper: from $112 with one stop against $129 nonstop, a saving of $17. Nonstop saves the connection time.
Do I need a visa to travel from Boise to Denver?
It depends on your passport. Some nationalities can enter Denver visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
Sources: fares from Travelpayouts flight-search data, seen 22 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.
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