How much should you expect to spend for a flight from Denver to Boise?

Flight prices from Denver to Boise change depending on demand and time of booking.

$17 is the lowest fare found in the past 15 days.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Which airports serve Denver and Boise?

When planning a trip of about 648 mi, it's a good idea to check flights from surrounding airports too.

• Airports in Denver: Denver is the only operational airport in the area.
• Airports in Boise: The only active airport in Boise is Boise - Air Terminal.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Explore flights from Denver to Boise your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by agency like eDreams or Expedia. Options include Delta, United, American, and more.

Other popular destinations

Also interested in United States? Check out: Atlanta, Los Angeles, Miami, New York City, Orlando.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.