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$26+ Cheap flights from Denver to Boise (DEN - BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOI
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Boise Air Term. Gowen Fld are usually found in September or July, booked 62 days in advance, depart on a Thursday or Sunday and return on a Thursday

Find flight deals from Denver to Boise

Cheapest flights from Denver to Boise
Explore the most affordable flight options available from Denver to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Orbitz deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:42 amDEN - BOI
Nonstop2h 07mMultiple Airlines
Tue 12/95:45 amBOI - DEN
1 stop5h 00mMultiple Airlines
Deal found 10/25$126
This Orbitz deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:45 amDEN - BOI
1 stop8h 41mMultiple Airlines
Fri 12/512:44 pmBOI - DEN
Nonstop2h 01mMultiple Airlines
Deal found 10/26$150
This Frontier deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:49 amDEN - BOI
Nonstop2h 04mFrontier
Fri 11/2812:48 pmBOI - DEN
Nonstop2h 04mFrontier
Deal found 10/26$160
This Frontier deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:52 amDEN - BOI
Nonstop2h 07mFrontier
Thu 1/112:38 pmBOI - DEN
Nonstop2h 01mFrontier
Deal found 10/27$163
This Frontier deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:55 pmDEN - BOI
Nonstop2h 04mFrontier
Fri 11/2812:48 pmBOI - DEN
Nonstop2h 04mFrontier
Deal found 10/26$165
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:49 amDEN - BOI
Nonstop2h 04mFrontier
Mon 11/248:54 pmBOI - DEN
Nonstop2h 04mFrontier
Deal found 10/25$173
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:49 amDEN - BOI
Nonstop2h 04mFrontier
Fri 11/2812:48 pmBOI - DEN
Nonstop2h 04mFrontier
Deal found 10/24$174
This CheapOair deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:49 amDEN - BOI
Nonstop2h 04mFrontier
Tue 11/2512:48 pmBOI - DEN
Nonstop2h 04mFrontier
Deal found 10/25$175
This Alaska Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:59 pmDEN - BOI
1 stop17h 43mAlaska Airlines
Tue 12/912:19 pmBOI - DEN
1 stop5h 44mAlaska Airlines
Deal found 10/27$176
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:10 amDEN - BOI
Nonstop2h 05mSouthwest
Sun 12/711:30 amBOI - DEN
Nonstop1h 50mSouthwest
Deal found 10/25$177
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:49 amDEN - BOI
Nonstop2h 04mFrontier
Sun 11/2312:48 pmBOI - DEN
Nonstop2h 04mFrontier
Deal found 10/26$182

Cheap flight deals from Denver to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$126
(Orbitz)

One-way from

$26
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$256

Good round-trip deal

$178 or less

Good one-way deal

$119 or less
Provider with most accurate pricing for Denver Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Denver Intl to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Denver Intl to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Denver Intl to Boise Air Term. Gowen Fld.
Search Deals
Price to beat on a one-way flight from Denver Intl to Boise Air Term. Gowen Fld.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Denver to Boise that are best for you.

Fly from

Denver

Fly to

Boise

Route

Depart

Return

Price

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Tue 11/25

9:49 am-11:53 am

Nonstop2h 04m

Boise Air Term. Gowen Fld

Fri 11/28

12:48 pm-2:52 pm

Nonstop2h 04m

$160

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Mon 11/24

5:55 pm-7:59 pm

Nonstop2h 04m

Boise Air Term. Gowen Fld

Fri 11/28

12:48 pm-2:52 pm

Nonstop2h 04m

$165

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 12/4

8:10 am-10:15 am

Nonstop2h 05m

Boise Air Term. Gowen Fld

Sun 12/7

11:30 am-1:20 pm

Nonstop1h 50m

$177

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 12/4

8:20 am-11:55 pm

1 stop15h 35m

Boise Air Term. Gowen Fld

Tue 12/9

8:16 pm-11:44 am

2 stops15h 28m

$191

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Tue 12/2

6:45 am-3:26 pm

1 stop8h 41m

Boise Air Term. Gowen Fld

Fri 12/5

1:25 pm-11:59 pm

1 stop10h 34m

$200

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Tue 12/9

6:05 am-1:14 pm

1 stop7h 09m

Boise Air Term. Gowen Fld

Fri 12/12

3:54 pm-12:24 am

1 stop8h 30m

$219

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Sat 12/6

7:55 am-12:55 pm

1 stop5h 00m

Boise Air Term. Gowen Fld

Mon 12/8

2:40 pm-4:30 pm

Nonstop1h 50m

$224

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Sat 12/6

12:40 pm-7:36 pm

1 stop6h 56m

Boise Air Term. Gowen Fld

Mon 12/8

7:25 am-11:59 pm

2 stops16h 34m

$225

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Sat 11/15

7:00 am-5:11 pm

2 stops10h 11m

Boise Air Term. Gowen Fld

Wed 11/19

7:30 am-2:41 pm

2 stops7h 11m

$225

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Fri 11/21

6:00 am-11:44 pm

1 stop17h 44m

Boise Air Term. Gowen Fld

Sun 11/23

12:48 pm-2:52 pm

Nonstop2h 04m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 23 results
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Compare providers for flights from Denver to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Boise in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Boise

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Boise. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Denver to Boise, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Denver to Boise?

Currently, October is the cheapest month in which you can book a flight from Denver to Boise (average of $56). Flying from Denver to Boise in January is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to BOI?

Find hourly flight availability from Denver to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

One of the essential ways to save on airfare from Denver to Boise is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 29% on airfare.

What is the cheapest day to fly from Denver to Boise?

Use this chart to determine the cheapest time to fly round-trip from Denver to Boise. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Denver to Boise flight should consider departing on Thursday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated October 27, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Denver to Boise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,996 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,999 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,123 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Denver to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to Boise?

    You will need to book a flight from Denver Intl to Boise Air Term. Gowen Fld if you want to fly from Denver to Boise. At least 4 different airlines have flights from Denver Intl (DEN) to Air Term. Gowen Fld (BOI) on a regular basis. There are 11 flights to Boise from the Denver airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DEN to BOI to be around 1h 58m.

  • How popular is this Denver to Boise flight route?

    Flights from Denver Intl to Boise Air Term. Gowen Fld have been viewed 9 times in the past calendar month.

  • How long is the flight from Denver to Boise?

    For as low as $160, Frontier can have you in Boise from Denver in 2h 04m. The distance between Denver and Boise is about 647 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Denver to Boise round-trip?

    Our cheapest airline available from Denver to Boise is Frontier. Our recent data shows that you can find tickets from as low as $59 on this airline. Additional options worth looking into are Delta and Southwest, starting at $98 and $197 round-trip. These flights start at 78% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Denver to Boise?

    The top 3 most reliable airlines when flying from Denver to Boise are Frontier (83%), Southwest (81%) and United Airlines (81%).

  • What are the cheapest flights from Denver to Boise?

    While on average a flight from Denver to Boise is generally $197, our data shows the cheapest flight currently is $54. When looking at the most popular route, (Denver Intl - Boise Air Term. Gowen Fld), you can expect to pay $124 for that flight.

  • Can I find deals for flights from Denver to Boise that include hotel bookings?

    Yes. In addition to deals on Denver to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Boise.

  • Can I find deals for business class flights from Denver to Boise?

    Yes. Cheapflights offers flight deals from Denver to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Boise?

    Currently, October is the cheapest month in which you can book a flight from Denver to Boise (average of $56). Flying from Denver to Boise in January is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Top 4 airlines flying from Denver to Boise

Discover the top 4 airlines that operate flights from Denver to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$139FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$236FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$197Average$289FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$330FlexibilityNo cancel feeOn-time69%

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