Cheap flights from Denver to Boise
From 363 USD — compare hundreds of airlines
About this route
Compare flights from Denver to Boise, a about 1,025 km route (around 1h 47m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as United Airlines, Silk Avia, Southwest Airlines operate this route.
Prices by date
Airlines on this route
FAQ
What's the cheapest month to fly Denver to Boise?
It's usually 2026-07, from 157 USD. Use the price calendar to compare other dates.
How long is the flight from Denver to Boise?
A nonstop flight takes about 1h 47m and covers around 1,025 km. Connecting itineraries take longer.
Are there direct flights from Denver to Boise?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Denver to Boise?
United Airlines, Silk Avia, Southwest Airlines operate this route, among others. Compare them all in the results.
When should I book Denver–Boise flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.