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$75+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOI
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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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 July 31, 2025.

Round-trip from

$149
(CheapOair)

One-way from

$75
(Frontier)

Popular in

December

Cheapest in

May

Average price

$258

Good round-trip deal

$200 or less

Good one-way deal

$134 or less
From Colorado to Boise Air Term. Gowen Fld
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One-way flight from Colorado to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 19% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Colorado to Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from Colorado to Boise Air Term. Gowen Fld.
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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 July 31, 2025.

This CheapOair deal was found by Cheapflights users on 7/30. 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.
Thu 9/189:38 amDEN - BOI
Nonstop1h 59mFrontier
Sun 9/2112:22 pmBOI - DEN
Nonstop2h 23mFrontier
Deal found 7/30$149
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 8/209:23 pmDEN - BOI
1 stop12h 05mAlaska Airlines
Tue 9/92:28 pmBOI - DEN
1 stop5h 59mAlaska Airlines
Deal found 7/30$199
This Southwest deal was found by Cheapflights users on 7/30. 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.
Wed 8/209:10 pmDEN - BOI
Nonstop1h 55mSouthwest
Tue 9/98:45 amBOI - DEN
1 stop6h 45mSouthwest
Deal found 7/30$209
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/228:20 pmDEN - BOI
Nonstop2h 01mUnited Airlines
Tue 8/265:00 amBOI - DEN
Nonstop2h 05mUnited Airlines
Deal found 7/31$215
This Delta deal was found by Cheapflights users on 7/31. 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 9/26:45 amDEN - BOI
1 stop8h 18mDelta
Sat 9/134:20 pmBOI - DEN
1 stop5h 27mDelta
Deal found 7/31$218
This Delta deal was found by Cheapflights users on 7/30. 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 9/235:55 pmCOS - BOI
1 stop6h 20mDelta
Sat 9/275:43 pmBOI - COS
1 stop4h 28mDelta
Deal found 7/30$219
This Hawaiian Airlines deal was found by Cheapflights users on 7/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/53:02 pmDEN - BOI
1 stop7h 48mHawaiian Airlines
Sun 9/76:00 amBOI - DEN
1 stop4h 44mHawaiian Airlines
Deal found 7/30$221
This Delta deal was found by Cheapflights users on 7/31. 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.
Fri 8/296:00 amGJT - BOI
1 stop3h 48mDelta
Fri 9/56:00 pmBOI - GJT
1 stop4h 43mDelta
Deal found 7/31$229
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/58:00 amDEN - BOI
1 stop5h 17mAmerican Airlines
Sat 9/131:57 pmBOI - DEN
2 stops9h 08mAmerican Airlines
Deal found 7/30$232
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/141:32 pmGJT - BOI
1 stop4h 35mUnited Airlines
Mon 8/185:42 pmBOI - GJT
1 stop4h 33mUnited Airlines
Deal found 7/30$254
This Southwest deal was found by Cheapflights users on 7/30. 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.
Tue 9/234:15 pmCOS - BOI
2 stops7h 05mSouthwest
Sat 9/275:10 amBOI - COS
2 stops11h 05mSouthwest
Deal found 7/30$267
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 9/115:30 amCOS - BOI
1 stop4h 12mUnited Airlines
Sun 9/145:00 amBOI - COS
1 stop4h 04mUnited Airlines
Deal found 7/31$272

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 July 31, 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 9/18

9:38 am-11:37 am

Nonstop1h 59m

Boise Air Term. Gowen Fld

Sun 9/21

12:22 pm-2:45 pm

Nonstop2h 23m

$149

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Wed 8/20

9:23 pm-9:28 am

1 stop12h 05m

Boise Air Term. Gowen Fld

Tue 9/9

2:28 pm-8:27 pm

1 stop5h 59m

$199

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Wed 8/20

9:10 pm-11:05 pm

Nonstop1h 55m

Boise Air Term. Gowen Fld

Tue 9/9

8:45 am-3:30 pm

1 stop6h 45m

$209

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Fri 8/22

8:20 pm-10:21 pm

Nonstop2h 01m

Boise Air Term. Gowen Fld

Tue 8/26

5:00 am-7:05 am

Nonstop2h 05m

$215

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Tue 9/2

6:45 am-3:03 pm

1 stop8h 18m

Boise Air Term. Gowen Fld

Sat 9/13

4:20 pm-9:47 pm

1 stop5h 27m

$218

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Tue 9/23

5:55 pm-12:15 am

1 stop6h 20m

Boise Air Term. Gowen Fld

Sat 9/27

5:43 pm-10:11 pm

1 stop4h 28m

$219

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Fri 9/5

3:02 pm-10:50 pm

1 stop7h 48m

Boise Air Term. Gowen Fld

Sun 9/7

6:00 am-10:44 am

1 stop4h 44m

$221

Grand JunctionBoise

GJT - BOI

GJTBOI

Grand Junction Regnl

Fri 8/29

6:00 am-9:48 am

1 stop3h 48m

Boise Air Term. Gowen Fld

Fri 9/5

6:00 pm-10:43 pm

1 stop4h 43m

$229

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Fri 9/5

8:00 am-1:17 pm

1 stop5h 17m

Boise Air Term. Gowen Fld

Sat 9/13

1:57 pm-11:05 pm

2 stops9h 08m

$232

Grand JunctionBoise

GJT - BOI

GJTBOI

Grand Junction Regnl

Thu 8/14

1:32 pm-6:07 pm

1 stop4h 35m

Boise Air Term. Gowen Fld

Mon 8/18

5:42 pm-10:15 pm

1 stop4h 33m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 35 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 $314). Flying from Colorado to Boise in June is currently the most expensive (average of $398). 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 July 31, 2025.

When flying from Colorado to Boise, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Colorado to Boise

Explore weekly flight availability from Colorado to Boise. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 31, 2025.

The most flights from USCO to BOI are scheduled on a Monday (18 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (9 on average).

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 July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Colorado to Boise by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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, 7 users have taken a look at flights from Colorado to Boise Air Term. Gowen Fld.

  • What are the cheapest airlines to fly from Colorado to Boise one-way?

    $75 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and United Airlines, with prices starting from $97 and $100, respectively.

  • 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 Colorado Springs - Boise Air Term. Gowen Fld or Grand Junction Regnl - Boise Air Term. Gowen Fld.

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

    Consider United Airlines (75%), SkyWest Airlines (74%) or Air Canada (68%) 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 $69. While the most popular route (Denver Intl - Boise Air Term. Gowen Fld) can be booked for $181 on average our data indicates $236 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 $314). Flying from Colorado to Boise in June is currently the most expensive (average of $398). 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
Meridian
Nampa
Ontario
McCall
Caldwell

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Top 6 airlines flying from Colorado to Boise

Discover the top 6 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$73Average$150FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$286FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$168Average$235FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$197Average$370FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$409FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$298Average$428FlexibilityNo cancel feeOn-time71%

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