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

In the trailing 90 days, approximately 87.1% of flights from Denver to Boise were non-stop. For flights that included connections, the median number of stopovers was 2. This indicates that direct routes are the predominant option for this journey. Travelers can typically expect a high likelihood of finding a non-stop flight for this route.

How many hours is the flight from Denver to Boise?

A direct flight from Denver to Boise typically takes about 2 hours and 1 minute. This route covers a distance of 1042 kilometers. For flights with one stop, the median duration is considerably longer, averaging around 6 hours and 24 minutes. Travelers should consider direct options for a significantly shorter journey.

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

Cheap flights from Denver to Boise are classified as frequent. This suggests that opportunities for finding affordable fares on this route arise regularly. Travelers can typically expect to see favorable pricing options appear with good consistency. This route is a good candidate for those seeking value.

Flights From Denver

To Boise

Cheap Flights from Denver to Boise

Browse current best options from Denver. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Denver

RatePunk searches hundreds of travel sites at once for deals on flights to Boise

Prices updated 14 days ago

406 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 2, 2026.)

Today’s best flight deals from Denver to Boise

Explore current cheapest deals departing from Denver to Boise

2026-09-01 – 2026-09-08
DEN - Boise
47% AI deal score
$135
$112
Round trip
2026-09-06 – 2026-09-08
DEN - Boise
48% AI deal score
$144
$113
Round trip
2026-09-01 – 2026-09-06
DEN - Boise
47% AI deal score
$140
$115
Round trip
2026-09-01 – 2026-09-28
DEN - Boise
75% AI deal score
$207
$132
Round trip
2026-09-06 – 2026-09-28
DEN - Boise
75% AI deal score
$210
$133
Round trip
2026-09-08 – 2026-09-28
DEN - Boise
72% AI deal score
$210
$149
Round trip
2026-09-03 – 2026-09-06
DEN - Boise
42% AI deal score
$144
$150
Round trip
2026-09-01 – 2026-09-11
DEN - Boise
73% AI deal score
$224
$153
Round trip
2026-09-06 – 2026-09-11
DEN - Boise
75% AI deal score
$256
$154
Round trip
2026-09-08 – 2026-09-11
DEN - Boise
73% AI deal score
$261
$170
Round trip

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. With 87.1% of recent fares being non-stop, almost all itineraries are direct, making for a more straightforward travel experience.

Right now, fares for cheap flights from Denver to Boise are below the typical level. Prices for this route typically range from $113–$190, with a median of $140. Approximately 16% of recent fares were classified as a good price, and new deals appear almost daily, offering frequent opportunities for savings.

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

How much is a round trip from Denver to Boise

Regular price: $133 - $490

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

Regular prices for flights from Denver to Boise typically range from $133 to $490. The current lowest deal is $108 with Frontier Airlines, for travel from Aug 18-Aug 25.

now $108

Low $133

High $490

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

Sun, Aug 2

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

Frontier Airlines

$670

$633

One-way

Tue, Aug 4

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

Frontier Airlines

$643

$551

One-way

Thu, Aug 6

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

$623

$561

One-way

Fri, Aug 7

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

Alaska Airlines, Inc.

$571

$553

One-way

Mon, Aug 10

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

Alaska Airlines, Inc.

$443

$356

One-way

Tue, Aug 11

⌛ Last-Minute

DEN - Boise

Denver (DEN) - Boise (BOI)

Alaska Airlines, Inc.

$428

$405

One-way

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

5 nights

Sep 6 - Sep 11

$256 → $154

40%

22 nights

Sep 6 - Sep 28

$210 → $133

37%

27 nights

Sep 1 - Sep 28

$207 → $142

31%

10 nights

Sep 1 - Sep 11

$224 → $163

27%

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, with prices around $108.

📅 Best time to fly

Fly in May for the best prices

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

⏱️ Flight duration

Direct flights take 3h 58m

A direct flight from Denver to Boise typically takes 3 hours and 58 minutes.

✈️ Airlines & availability

87.1% of flights are direct

Most flights on this route are direct, with 87.1% of recent flights having no stopovers.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines is one of the airlines providing direct flights for this route.

🎯 Booking tip

Deals appear frequently

Deals for flights from Denver to Boise appear frequently, with many options available.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International is a great choice for flights from Denver to Boise, offering competitive prices.

📍 ~30 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 choice for direct access 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.

📍 ~550 km from Boise (reachable by car)

💸 Flights from ~$58

Business & First Class Flight Deals to Boise

$496

Save $310

United Airlines

Business Class

From DEN

Elite

Jan 23

Boise, United States

76% AI deal score

$1,217

$727

Save $490

Alaska Airlines, Inc.

Business Class

From DEN

Elite

Jan 22

Boise, United States

76% AI deal score

$1,217

$727

Save $490

Alaska Airlines, Inc.

Business Class

From DEN

Elite

Jan 25

Boise, United States

76% AI deal score

$1,223

$727

Save $496

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Boise

Historically, the optimal booking window for flights from Denver to Boise is typically between 28 and 59 days prior to departure. During this period, the average price for a flight is around $125. Booking within 7-13 days of departure sees the average price rise to approximately $312, while booking 0-6 days out can result in an average price of $508. Planning your trip within this recommended window can help secure more favorable fares.

Across the trailing quarter, a good price for a flight from Denver to Boise is considered to be $113 or less. The median price for this route was $140. Prices can vary, with 75% of observed fares being $190 or less. Travelers aiming for a good deal should target prices at or below the $113 threshold.

Historically, May has been the most affordable month to fly from Denver to Boise, with a median price of $114. Other budget-friendly months include September and October, which had median prices of $130 and $132 respectively. The annual median price for this route is $140. While October is listed as a cheaper month, it also represents the most expensive month in the trailing 270 days, indicating price variability.

Denver to Boise: Overview

Insights for flights from Denver to Boise

How much is a round trip from Denver to Boise

Regular price: $133 - $490

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

Regular prices for flights from Denver to Boise typically range from $133 to $490. The current lowest deal is $108 with Frontier Airlines, for travel from Aug 18-Aug 25.

now $108

Low $133

High $490

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