How many flights from Denver to Boise are non-stop?

Historically, a significant majority of flights from Denver to Boise are non-stop, with approximately 87.1% of flights being direct. For travelers who do opt for connecting flights, the median number of stopovers is typically two. This indicates that direct routes are widely available and a common choice for this journey. Over the trailing 90 days, direct flights have been the predominant option.

How many hours is the flight from Denver to Boise?

The typical direct flight from Denver to Boise has a duration of approximately 2 hours and 1 minute, covering a distance of 1042 kilometers. For flights that include one stop, the median travel time increases significantly to about 6 hours and 24 minutes. Travelers should consider these durations when planning their journey. Direct flights offer a considerably shorter travel experience.

How often do cheap flights from Denver to Boise come up?

Historically, cheap flights from Denver to Boise are classified as frequent. This indicates that opportunities for finding affordable fares on this route arise regularly. Travelers can typically expect to see favorable pricing options appear with good consistency. The route is considered to be one with frequent deal availability for those looking to save on airfare.

Flights From Denver

To Boise

Cheap Flights from Denver to Boise

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Deals from

Denver

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Prices updated today

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Denver to Boise

Explore current cheapest deals departing from Denver to Boise

Round trip

Sort by: Cheapest

August 11 - August 18

Cheapest

Earliest

DEN - Boise

$188

$108

Round trip

August 13 - August 18

DEN - Boise

$194

$118

Round trip

October 8 - October 15

DEN - Boise

$144

$123

Round trip

September 14 - September 15

Best

DEN - Boise

$260

$138

Round trip

October 1 - October 5

Best

DEN - Boise

$259

$141

Round trip

September 6 - September 11

DEN - Boise

$253

$144

Round trip

September 3 - September 6

DEN - Boise

$141

$146

Round trip

September 6 - October 1

DEN - Boise

$115

$159

Round trip

September 6 - September 10

DEN - Boise

$141

$159

Round trip

September 6 - September 29

DEN - Boise

$115

$159

Round trip

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Denver to Boise: Overview

Insights for flights from Denver to Boise

A typical journey from Denver to Boise takes about 3h 58m, including connections. This route covers a distance of 1042 kilometers, classifying it as a short-haul flight.

For those seeking cheap flights from Denver to Boise, fares typically range from $113–$190, with a median price of $140. Right now, fares are below the typical level, and about 16% of recent fares were classified as a good price. New deals appear almost daily for this route.

When is the cheapest time to fly from Denver to Boise? The data indicates that May is often the most affordable month, with a median fare of $114. Other cost-effective months include September, with a median fare of $130, and October, where the median fare is $132.

Most itineraries for flights from Denver to Boise are non-stop, with 87.1% of recent fares being direct. For the remaining itineraries that do include connections, the typical number of stopovers is 2.

How much is a round trip from Denver to Boise

Regular price: $133 - $515

Prices for flights from Denver to Boise are currently below the regular range.

Regular prices for this route typically range from $133 to $515. The current lowest deal is $108 with Frontier Airlines, for travel from Aug 13-Aug 20.

now $108

Low $133

High $515

The cheapest time to fly from Denver to Boise

The cheapest month to fly from Denver to Boise is May, with a median price of $114. The most expensive month is March, with a median price of $369. Prices are generally lower from May to October.

May

Cheapest

Flights from $114

March

Most Expensive

Flights from $369

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Denver to Boise

Frontier Airlines

Last-minute flights going from Denver to Boise

Wed, Aug 5

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

Alaska Airlines, Inc.

$407

$298

One-way

Thu, Aug 6

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

Frontier Airlines

$410

$299

One-way

Fri, Aug 7

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

Alaska Airlines, Inc.

$401

$298

One-way

Mon, Aug 10

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

Alaska Airlines, Inc.

$336

$276

One-way

Wed, Aug 12

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

Alaska Airlines, Inc.

$351

$216

One-way

Wed, Aug 12

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

Alaska Airlines, Inc.

$320

$223

One-way

Biggest price drops on these dates for flights from Denver to Boise

3 nights

Aug 15 - Aug 18

$347 → $172

50%

2 nights

Aug 13 - Aug 15

$355 → $217

39%

4 nights

Aug 12 - Aug 16

$351 → $216

39%

4 nights

Aug 13 - Aug 17

$351 → $217

38%

Popular Airports to fly from Denver to Boise

Denver - Boise route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Denver to Boise are below the typical level for this route.

📅 Best time to fly

Fly in May for the best prices

Historically, May is the cheapest month to fly, with a median price of $114.

⏱️ Flight duration

Direct flights take 3h 58m

The typical direct flight from Denver to Boise takes 3 hours and 58 minutes.

✈️ Airlines & availability

87% of flights are direct

Most flights on this route are direct, with frequent deals available over the last 30 days.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines provides direct flights from Denver to Boise, with deals available.

🎯 Booking tip

Good prices are available

16% of recent fares were considered good prices, with a median of $140.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International Airport is a good choice for flights from Denver to Boise.

📍 ~40 km from city center (reachable by car or train)

💸 Flights from ~$123

Boise main airports to arrive at

Boise (BOI)

Cheapest

Boise Airport is a convenient arrival option for flights from Denver to Boise.

📍 ~6 km from city center (reachable by car)

💸 Flights from ~$123

Airports nearby Boise used as alternative

Salt Lake City International (SLC)

Cheapest

Salt Lake City International is a major international hub with extensive flight options, despite the significant driving distance to Boise.

📍 ~550 km from Boise (reachable by car)

💸 Flights from ~$50

Spokane International (GEG)

Spokane International is a large regional airport with diverse carriers and destinations, though winter travel can be impacted by mountain pass conditions.

📍 ~440 km from Boise (reachable by car)

💸 Flights from ~$190

Idaho Falls Regional (IDA)

Idaho Falls Regional is a primary regional alternative within Idaho, offering reliable service but fewer non-stop destinations.

📍 ~270 km from Boise (reachable by car)

💸 Flights from ~$204

Roberts Field (RDM)

Roberts Field offers strong connectivity to West Coast hubs, but requires a long drive through high-desert terrain to Boise.

📍 ~360 km from Boise (reachable by car)

💸 Flights from ~$249

Tri-Cities (PSC)

Tri-Cities provides reliable regional service for its area with good PNW connections, but has fewer amenities than Boise.

📍 ~220 km from Boise (reachable by car)

💸 Flights from ~$218

Business & First Class Flight Deals to Boise

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Cheap Flights from Denver to Boise

Today’s best flight deals from Denver to Boise

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Denver to Boise: Overview

Insights for flights from Denver to Boise

How much is a round trip from Denver to Boise

The cheapest time to fly from Denver to Boise

Direct flights from Denver to Boise

Last-minute flights going from Denver to Boise

Biggest price drops on these dates for flights from Denver to Boise

Popular Airports to fly from Denver to Boise

Denver - Boise route insights

Recent fares are below the typical level

Fly in May for the best prices

Direct flights take 3h 58m

87% of flights are direct

Frontier Airlines offers direct flights

Good prices are available

Denver main airports to depart from

Boise main airports to arrive at

Airports nearby Boise used as alternative

Business & First Class Flight Deals to Boise

Best Elite deals to Boise

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Frequently Asked Questions About Flights to Boise

How far in advance should I book a flight from Denver to Boise?

How far in advance should I book a flight from Denver to Boise?