HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$99+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Colorado with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 junio 12, 2025.

Round-trip from

$149
(Frontier)

One-way from

$99
(Frontier)

Popular in

November

Cheapest in

May

Average price

$300

Good round-trip deal

$332 or less

Good one-way deal

$180 or less
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. 6% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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

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 junio 12, 2025.

This Frontier deal was found by Cheapflights users on 6/12. 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.
jue. 8/2812:27 pmBOI - DEN
Nonstop2h 00mFrontier
dom. 8/319:36 amDEN - BOI
Nonstop1h 56mFrontier
Deal found 6/12$149
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 9/306:35 amBOI - DEN
1 stop5h 35mAlaska Airlines
lun. 10/67:02 pmDEN - BOI
1 stop4h 55mAlaska Airlines
Deal found 6/11$210
This Southwest deal was found by Cheapflights users on 6/11. 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.
mar. 8/54:05 pmBOI - DEN
Nonstop1h 55mSouthwest
jue. 8/78:15 amDEN - BOI
Nonstop1h 55mSouthwest
Deal found 6/11$211
This United Airlines deal was found by Cheapflights users on 6/10. 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.
sáb. 8/92:32 pmBOI - DEN
Nonstop1h 57mUnited Airlines
lun. 8/117:35 pmDEN - BOI
Nonstop1h 59mUnited Airlines
Deal found 6/10$221
This Southwest deal was found by Cheapflights users on 6/12. 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.
jue. 9/46:15 amBOI - COS
1 stop4h 45mSouthwest
dom. 9/76:30 amCOS - BOI
1 stop5h 05mSouthwest
Deal found 6/12$227
This Delta deal was found by Cheapflights users on 6/11. 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.
mié. 8/276:00 amBOI - DEN
1 stop3h 14mDelta
mar. 9/26:25 pmDEN - BOI
1 stop3h 17mDelta
Deal found 6/11$231
This United Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 7/265:42 pmBOI - COS
1 stop4h 13mUnited Airlines
sáb. 8/26:35 pmCOS - BOI
1 stop3h 52mUnited Airlines
Deal found 6/11$253
This American Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 9/61:53 pmBOI - DEN
2 stops9h 12mAmerican Airlines
sáb. 9/133:07 pmDEN - BOI
1 stop4h 55mAmerican Airlines
Deal found 6/11$256
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 7/221:48 pmBOI - COS
2 stops10h 04mAmerican Airlines
mar. 7/296:01 amCOS - BOI
1 stop8h 40mAmerican Airlines
Deal found 6/11$313
This United Airlines deal was found by Cheapflights users on 6/12. 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.
dom. 7/62:32 pmBOI - MTJ
1 stop6h 19mUnited Airlines
mié. 7/93:30 pmMTJ - BOI
1 stop6h 04mUnited Airlines
Deal found 6/12$461
This Southwest deal was found by Cheapflights users on 6/11. 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.
sáb. 6/215:00 amBOI - MTJ
1 stop8h 20mSouthwest
dom. 6/293:15 pmMTJ - BOI
1 stop9h 25mSouthwest
Deal found 6/11$560
This American Airlines deal was found by Cheapflights users on 6/9. 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.
jue. 9/181:38 pmBOI - MTJ
1 stop47h 54mAmerican Airlines
dom. 9/212:38 pmMTJ - BOI
1 stop7h 07mAmerican Airlines
Deal found 6/9$680

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 junio 12, 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

jue. 8/28

12:27 pm-2:27 pm

Nonstop2h 00m

Denver Intl

dom. 8/31

9:36 am-11:32 am

Nonstop1h 56m

$149

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

mar. 9/9

4:34 pm-9:47 pm

1 stop5h 13m

Denver Intl

lun. 9/15

6:17 pm-11:59 pm

1 stop5h 42m

$210

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

mar. 8/5

4:05 pm-6:00 pm

Nonstop1h 55m

Denver Intl

jue. 8/7

8:15 am-10:10 am

Nonstop1h 55m

$211

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

mié. 9/10

6:35 am-12:10 pm

1 stop5h 35m

Denver Intl

sáb. 9/13

11:40 am-4:50 pm

1 stop5h 10m

$217

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

sáb. 8/9

2:32 pm-4:29 pm

Nonstop1h 57m

Denver Intl

lun. 8/11

7:35 pm-9:34 pm

Nonstop1h 59m

$221

BoiseColorado Springs

BOI - COS

BOICOS

Boise Air Term. Gowen Fld

jue. 9/4

6:15 am-11:00 am

1 stop4h 45m

Colorado Springs

dom. 9/7

6:30 am-11:35 am

1 stop5h 05m

$227

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

mié. 8/27

6:00 am-9:14 am

1 stop3h 14m

Denver Intl

mié. 9/3

12:46 pm-4:57 pm

1 stop4h 11m

$231

BoiseColorado Springs

BOI - COS

BOICOS

Boise Air Term. Gowen Fld

sáb. 7/26

5:42 pm-9:55 pm

1 stop4h 13m

Colorado Springs

sáb. 8/2

6:35 pm-10:27 pm

1 stop3h 52m

$253

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

sáb. 9/6

1:53 pm-11:05 pm

2 stops9h 12m

Denver Intl

sáb. 9/13

3:07 pm-8:02 pm

1 stop4h 55m

$256

BoiseColorado Springs

BOI - COS

BOICOS

Boise Air Term. Gowen Fld

mar. 7/22

1:48 pm-11:52 pm

2 stops10h 04m

Colorado Springs

mar. 7/29

6:01 am-2:41 pm

1 stop8h 40m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 24 results
1
2
3

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, October is the cheapest month in which you can book a flight from Boise to Colorado (average of $197). Flying from Boise to Colorado in March is currently the most expensive (average of $278). 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 junio 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Colorado as you normally would.

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 junio 12, 2025.

The most flights from BOI to USCO are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 junio 12, 2025.
To help decide which airline to fly from Boise to Colorado, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $99. Hawaiian Airlines flights start at $106 while deals on Alaska Airlines start at $111 one-way.

  • 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 (92%), United Airlines (76%) or Air Canada (75%) 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 $1,121, our data shows the cheapest flight currently is $117. When looking at the most popular route, (Boise Air Term. Gowen Fld - Denver Intl), you can expect to pay $211 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, October is the cheapest month in which you can book a flight from Boise to Colorado (average of $197). Flying from Boise to Colorado in March is currently the most expensive (average of $278). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Seattle flights
Boise to Las Vegas flights
Boise to Los Angeles flights
Boise to Denver flights
Boise to O'Hare Intl flights
Spokane to Seattle flights
Boise to San Diego flights
Spokane to Los Angeles flights
Spokane to Denver flights
Spokane to O'Hare Intl flights
Boise to Dallas/Fort Worth flights
Spokane to Las Vegas flights
Spokane to Sky Harbor Intl flights
Boise to San Francisco flights
Boise to Santa Ana flights
Spokane to Dallas/Fort Worth flights
Boise to Sky Harbor Intl flights
Spokane to San Diego flights
Idaho Falls to Seattle flights
Boise to Minneapolis flights
Boise to Boston flights
Boise to John F Kennedy Intl flights
Spokane to San Francisco flights
Spokane to Salt Lake City flights
Boise to Nashville flights
Spokane to John F Kennedy Intl flights
Boise to Orlando flights
Boise to Sacramento flights
Boise to Miami flights
Boise to Honolulu flights
Boise to LaGuardia flights
Spokane to Newark flights
Boise to San Jose flights
Boise to Newark flights
Boise to Portland flights
Boise to Hobby flights
Spokane to Honolulu flights
Spokane to Boise flights
Jackson to Boston flights
Boise to Dulles Intl flights
Jackson to Seattle flights
Spokane to Ontario flights
Boise to Atlanta flights
Boise to Spokane flights
Spokane to Minneapolis flights
Boise to Ontario flights
Spokane to Orlando flights
Boise to Detroit flights
Jackson to Newark flights
Spokane to Nashville flights

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$141FlexibilityNo cancel feeOn-time62%
DeltaCheapest$148Average$310FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$191Average$387FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$198Average$410FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$205Average$319FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.