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$32+ Cheap flights from Boise (BOI) to Colorado

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Find flight deals from Boise to Colorado

Cheapest flights from Boise to Colorado
Explore the most affordable flight options available from Boise to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/510:41 pmBOI - DEN
1 stop10h 23mMultiple Airlines
Sun 12/79:42 amDEN - BOI
Nonstop2h 07mMultiple Airlines
Deal found 11/1$117
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/1210:41 pmBOI - DEN
1 stop10h 23mMultiple Airlines
Sun 1/119:52 amDEN - BOI
Nonstop2h 07mMultiple Airlines
Deal found 11/2$124
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Wed 12/106:03 amBOI - DEN
1 stop5h 41mMultiple Airlines
Mon 1/129:52 amDEN - BOI
Nonstop2h 07mMultiple Airlines
Deal found 11/2$129
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/1112:44 pmBOI - DEN
Nonstop2h 01mMultiple Airlines
Tue 1/137:00 amDEN - BOI
1 stop5h 51mMultiple Airlines
Deal found 11/2$130
This Frontier deal was found by Cheapflights users on 11/1. 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.
Fri 11/2112:48 pmBOI - DEN
Nonstop2h 04mFrontier
Sun 11/239:44 amDEN - BOI
Nonstop2h 04mFrontier
Deal found 11/1$153
This Expedia deal was found by Cheapflights users on 10/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/712:44 pmBOI - DEN
Nonstop2h 01mMultiple Airlines
Mon 12/88:20 pmDEN - BOI
1 stop14h 14mMultiple Airlines
Deal found 10/31$154
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Mon 12/1510:41 pmBOI - DEN
2 stops14h 36mMultiple Airlines
Mon 1/129:52 amDEN - BOI
Nonstop2h 07mMultiple Airlines
Deal found 11/2$155
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/132:10 pmBOI - COS
1 stop22h 57mAllegiant Air
Sun 11/163:48 pmCOS - BOI
1 stop25h 44mAllegiant Air
Deal found 11/1$330
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Sun 11/1612:28 pmBOI - COS
2 stops27h 39mMultiple Airlines
Thu 11/209:30 pmCOS - BOI
1 stop10h 41mMultiple Airlines
Deal found 11/1$353
This Delta deal was found by Cheapflights users on 10/31. 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.
Sat 11/1511:10 amBOI - COS
1 stop6h 12mDelta
Sun 11/236:02 pmCOS - BOI
1 stop6h 33mDelta
Deal found 10/31$354
This Delta deal was found by Cheapflights users on 10/31. 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 11/1411:42 amBOI - COS
2 stops10h 41mDelta
Sun 11/236:02 pmCOS - BOI
1 stop6h 33mDelta
Deal found 10/31$359
This Delta deal was found by Cheapflights users on 11/1. 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.
Mon 12/15:58 pmBOI - COS
1 stop4h 25mDelta
Mon 12/86:00 pmCOS - BOI
1 stop6h 42mDelta
Deal found 11/1$365

Cheap flight deals from Boise to Colorado

Keep the following information in mind while searching for Boise to Colorado flight deals. Data was last updated November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$117
(Kiwi.com)

One-way from

$32
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$313

Good round-trip deal

$316 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Denver Intl flights.
Search Deals
From Boise Air Term. Gowen Fld to Colorado
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Colorado
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to Colorado.
Search Deals
Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Colorado.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Colorado 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 November 2, 2025.
Use the filters below to find and compare flights from Boise to Colorado that are best for you.

Fly from

Boise

Fly to

Colorado

Route

Depart

Return

Price

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 12/11

12:44 pm-2:45 pm

Nonstop2h 01m

Denver Intl

Tue 1/13

7:00 am-12:51 pm

1 stop5h 51m

$130

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Mon 12/15

10:41 pm-10:29 pm

1 stop23h 48m

Denver Intl

Mon 1/12

9:52 am-11:59 am

Nonstop2h 07m

$155

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 12/10

6:03 am-11:44 am

1 stop5h 41m

Denver Intl

Tue 1/13

7:00 am-12:51 pm

1 stop5h 51m

$176

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 12/11

12:44 pm-2:45 pm

Nonstop2h 01m

Denver Intl

Mon 1/12

7:00 am-4:07 pm

2 stops9h 07m

$176

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Sun 12/7

2:49 pm-4:45 pm

Nonstop1h 56m

Denver Intl

Mon 12/8

7:45 am-9:59 am

Nonstop2h 14m

$177

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 12/11

6:03 am-11:44 am

1 stop5h 41m

Denver Intl

Sun 1/11

9:52 am-11:59 am

Nonstop2h 07m

$187

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 1/29

5:40 am-4:13 pm

2 stops10h 33m

Denver Intl

Sun 2/1

9:52 am-11:59 am

Nonstop2h 07m

$191

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Sun 12/14

5:50 am-9:29 am

1 stop3h 39m

Denver Intl

Sun 1/11

6:29 am-12:59 pm

1 stop6h 30m

$197

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Fri 12/12

5:50 am-9:29 am

1 stop3h 39m

Denver Intl

Mon 1/12

6:29 am-12:59 pm

1 stop6h 30m

$197

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 12/11

3:54 pm-12:24 am

1 stop8h 30m

Denver Intl

Mon 12/15

6:05 am-1:14 pm

1 stop7h 09m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 34 results
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Best time to book a flight from Boise to Colorado

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

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

Currently, September is the cheapest month in which you can book a flight from Boise to Colorado (average of $58). Flying from Boise to Colorado in February is currently the most expensive (average of $213). 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 BOI to CO?

Find hourly flight availability from Boise to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.

It’s optimal to fly from Boise to Colorado in the evening. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Boise to Colorado. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Boise to Colorado

Explore weekly flight availability from Boise to Colorado. 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 November 2, 2025.

The most flights from BOI to USCO are scheduled on a Sunday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated November 2, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Boise to Colorado have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,231 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,231 reviews
Alaska Airlines
8.0
Very good
11,231 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
11,231 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,995 reviews
Alaska Airlines
8.0
Very good
11,231 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,993 reviews
Alaska Airlines
8.0
Very good
11,231 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Frontier
5.8
Fair
3,119 reviews
Alaska Airlines
8.0
Very good
11,231 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Boise to Colorado. 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 from for flights from Boise to Colorado?

    For a flight from Boise to Colorado, you will be flying from Air Term. Gowen Fld. Boise Air Term. Gowen Fld (BOI) is just 3.3 mi from the center of the city.

  • How popular is this Boise to Colorado flight route?

    Within the past month, 94 users have taken a look at flights from Boise Air Term. Gowen Fld to Colorado.

  • How long is the flight from Boise to Colorado?

    A quick flight from Boise to Colorado can take about 1h 56m. Alaska Airlines provides one of the quickest options available for as low as $177. The distance between Boise and Colorado is about 647 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

    Consider SkyWest Airlines (93%), United Airlines (91%) or Air Canada (87%) when booking your flight. These represent the most reliable airlines when flying from Boise to Colorado.

  • What are the cheapest flights from Boise to Colorado?

    While on average a flight from Boise to Colorado is generally $743, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Boise Air Term. Gowen Fld - Denver Intl), you can expect to pay $119 for that flight.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Boise to Colorado (average of $58). Flying from Boise to Colorado in February is currently the most expensive (average of $213). 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.

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Alternative routes for Boise to Colorado

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Top 5 airlines flying from Boise to Colorado

Discover the top 5 airlines that operate flights from Boise to Colorado. 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$140FlexibilityNo cancel feeOn-time62%
DeltaCheapest$136Average$273FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$154Average$428FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$183Average$399FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$194Average$329FlexibilityNo cancel feeOn-time63%

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