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$26+ Cheap flights from Colorado to Boise (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 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Colorado to Boise

Cheapest flights from Colorado to Boise
Explore the most affordable flight options available from Colorado to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Thu 12/119:42 amDEN - BOI
Nonstop2h 07mMultiple Airlines
Tue 12/166:03 amBOI - DEN
1 stop5h 41mMultiple Airlines
Deal found 10/28$125
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/59:42 amDEN - BOI
Nonstop2h 07mMultiple Airlines
Fri 12/510:41 pmBOI - DEN
1 stop10h 23mMultiple Airlines
Deal found 10/28$126
This CheapOair deal was found by Cheapflights users on 10/28. 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.
Mon 11/245:55 pmDEN - BOI
Nonstop2h 04mFrontier
Fri 11/2812:48 pmBOI - DEN
Nonstop2h 04mFrontier
Deal found 10/28$138
This Expedia deal was found by Cheapflights users on 10/28. 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 Expedia 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
Sat 12/67:25 amBOI - DEN
2 stops10h 38mMultiple Airlines
Deal found 10/28$141
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Thu 12/49:42 amDEN - BOI
Nonstop2h 07mMultiple Airlines
Fri 12/510:41 pmBOI - DEN
2 stops19h 27mMultiple Airlines
Deal found 10/29$148
This Expedia deal was found by Cheapflights users on 10/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:41 pmDEN - BOI
1 stop11h 14mMultiple Airlines
Thu 12/1812:38 pmBOI - DEN
Nonstop2h 01mMultiple Airlines
Deal found 10/28$155
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 10/28$157
This Frontier deal was found by Cheapflights users on 10/28. 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 10/28$163
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:50 amGJT - BOI
1 stop4h 25mDelta
Sat 12/135:58 pmBOI - GJT
1 stop4h 49mDelta
Deal found 10/28$189
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:50 amGJT - BOI
1 stop4h 22mDelta
Wed 11/198:45 amBOI - GJT
1 stop3h 54mDelta
Deal found 10/28$199
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 pmGJT - BOI
1 stop4h 45mUnited Airlines
Tue 11/185:17 pmBOI - GJT
1 stop4h 41mUnited Airlines
Deal found 10/29$209
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:50 amGJT - BOI
1 stop4h 22mDelta
Sun 11/165:58 pmBOI - GJT
1 stop4h 39mDelta
Deal found 10/28$229

Cheap flight deals from Colorado to Boise

Keep the following information in mind while searching for Colorado to Boise flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$125
(Kiwi.com)

One-way from

$26
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$256

Good round-trip deal

$177 or less

Good one-way deal

$125 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 Colorado to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Colorado 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 Colorado to Boise Air Term. Gowen Fld.
Search Deals
Price to beat on a one-way flight from Colorado to Boise Air Term. Gowen Fld.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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 30, 2025.
Use the filters below to find and compare flights from Colorado to Boise that are best for you.

Fly from

Colorado

Fly to

Boise

Route

Depart

Return

Price

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

12:19 pm-6:03 pm

1 stop5h 44m

$176

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Fri 1/23

7:46 pm-9:52 pm

Nonstop2h 06m

Boise Air Term. Gowen Fld

Sun 1/25

2:37 pm-4:36 pm

Nonstop1h 59m

$177

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Fri 1/16

5:09 pm-11:59 pm

1 stop6h 50m

Boise Air Term. Gowen Fld

Sun 1/18

12:54 pm-2:54 pm

Nonstop2h 00m

$180

Grand JunctionBoise

GJT - BOI

GJTBOI

Grand Junction Regnl

Tue 12/9

5:50 am-10:15 am

1 stop4h 25m

Boise Air Term. Gowen Fld

Sat 12/13

5:58 pm-10:47 pm

1 stop4h 49m

$189

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 12/11

12:41 pm-11:55 pm

1 stop11h 14m

Boise Air Term. Gowen Fld

Tue 12/16

7:25 am-6:03 pm

2 stops10h 38m

$191

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 11/27

11:34 am-5:05 pm

1 stop5h 31m

Boise Air Term. Gowen Fld

Thu 12/4

12:44 pm-2:45 pm

Nonstop2h 01m

$196

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 12/4

7:05 am-12:02 pm

1 stop4h 57m

Boise Air Term. Gowen Fld

Sun 12/7

5:20 am-11:32 am

1 stop6h 12m

$197

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 12/11

12:41 pm-11:55 pm

1 stop11h 14m

Boise Air Term. Gowen Fld

Thu 12/18

9:00 am-6:15 pm

1 stop9h 15m

$198

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 12/11

7:45 am-9:59 am

Nonstop2h 14m

Boise Air Term. Gowen Fld

Tue 12/16

2:49 pm-4:45 pm

Nonstop1h 56m

$199

Grand JunctionBoise

GJT - BOI

GJTBOI

Grand Junction Regnl

Wed 11/12

5:50 am-10:12 am

1 stop4h 22m

Boise Air Term. Gowen Fld

Wed 11/19

8:45 am-12:39 pm

1 stop3h 54m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 46 results
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Best time to book a flight from Colorado to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Colorado 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 Colorado to Boise

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

Currently, October is the cheapest month in which you can book a flight from Colorado to Boise (average of $56). Flying from Colorado 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 CO to BOI?

Find hourly flight availability from Colorado 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 30, 2025.

When flying from Colorado to Boise, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 24% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Colorado to Boise. Price data was last updated on December 8, 2024.

Travelers seeking maximum savings on their Colorado 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.

Related info for your journey

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

  • What airport do you fly into for flights to Boise from Colorado?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly into if you book a flight from Colorado to Boise. It is only a 3.3 mi journey from Air Term. Gowen Fld (BOI) to Boise’s city center.

  • How popular is this Colorado to Boise flight route?

    Within the past month, 9 users have taken a look at flights from Colorado to Boise Air Term. Gowen Fld.

  • How long is the flight from Colorado to Boise?

    Airlines like Alaska Airlines, United Airlines, and Delta fly from Colorado to Boise in about 2h 06m. The time it takes to get you to your destination can typically vary by up to 13h 29m. The distance from Colorado to Boise is about 647 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Colorado to Boise?

    The most popular route from Colorado to Boise is Denver Intl - Boise Air Term. Gowen Fld. You may also consider Grand Junction Regnl - Boise Air Term. Gowen Fld or Colorado Springs - Boise Air Term. Gowen Fld.

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

    Consider Frontier (83%), Southwest (81%) or United Airlines (81%) when booking your flight. These represent the most reliable airlines when flying from Colorado to Boise.

  • What are the cheapest flights from Colorado to Boise?

    Looking at all options, your cheapest flight can be booked for $54. While the most popular route (Denver Intl - Boise Air Term. Gowen Fld) can be booked for $113 on average, our data indicates $197 when flying from Colorado to Boise.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado 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 Colorado to Boise?

    Currently, October is the cheapest month in which you can book a flight from Colorado to Boise (average of $56). Flying from Colorado 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 Colorado to Boise

Discover the top 4 airlines that operate flights from Colorado 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$139FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$273FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$197Average$369FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$398FlexibilityNo cancel feeOn-time69%

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