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$216+ Cheap flights from Colorado Springs to Boise (COS - BOI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
COS — BOI
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Colorado Springs to Boise

Cheapest flights from Colorado Springs to Boise
Explore the most affordable flight options available from Colorado Springs to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/265:45 amCOS - BOI
1 stop4h 16mUnited Airlines
Tue 12/305:12 pmBOI - COS
1 stop6h 47mUnited Airlines
Deal found 12/11$391
This Southwest deal was found by Cheapflights users on 12/11. 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.
Tue 12/308:55 pmCOS - BOI
1 stop4h 30mSouthwest
Fri 1/26:15 amBOI - COS
2 stops14h 00mSouthwest
Deal found 12/11$473
This United Airlines deal was found by Cheapflights users on 12/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:23 pmCOS - BOI
1 stop4h 17mUnited Airlines
Mon 12/295:12 pmBOI - COS
1 stop6h 47mUnited Airlines
Deal found 12/9$598
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/2612:38 pmCOS - BOI
2 stops11h 02mAmerican Airlines
Tue 12/307:00 amBOI - COS
1 stop8h 54mAmerican Airlines
Deal found 12/11$665
This Delta deal was found by Cheapflights users on 12/11. 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.
Mon 12/156:00 pmCOS - BOI
1 stop4h 11mDelta
Wed 12/1711:10 amBOI - COS
1 stop6h 09mDelta
Deal found 12/11$711
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/1512:45 pmCOS - BOI
2 stops10h 54mAmerican Airlines
Wed 12/176:29 amBOI - COS
2 stops9h 16mAmerican Airlines
Deal found 12/11$805

Find flight deals from Colorado Springs to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Colorado Springs (COS) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$216
(Delta)

Popular in

December

Cheapest in

May

Average price

$650
Provider with most accurate pricing for Colorado Springs-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Colorado Springs-Boise Air Term. Gowen Fld flights.
Search Deals
From Colorado Springs to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado Springs 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 December 12, 2025.
Use the filters below to find and compare flights from Colorado Springs to Boise that are best for you.

Fly from

Colorado Springs

Fly to

Boise

Route

Depart

Return

Price

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Sat 1/17

12:00 pm-9:58 pm

2 stops9h 58m

Boise Air Term. Gowen Fld

Tue 1/20

1:40 pm-10:23 pm

2 stops8h 43m

$216

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Mon 2/9

3:30 pm-9:52 pm

1 stop6h 22m

Boise Air Term. Gowen Fld

Sat 2/14

5:10 pm-10:02 pm

1 stop4h 52m

$259

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Thu 4/9

5:30 am-12:40 pm

2 stops7h 10m

Boise Air Term. Gowen Fld

Mon 4/13

2:15 pm-7:25 pm

1 stop5h 10m

$347

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Thu 1/22

3:30 pm-7:45 pm

1 stop4h 15m

Boise Air Term. Gowen Fld

Sun 1/25

6:10 am-10:57 am

1 stop4h 47m

$350

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Mon 2/9

6:10 am-1:15 pm

2 stops7h 05m

Boise Air Term. Gowen Fld

Sat 2/14

7:20 am-3:40 pm

2 stops8h 20m

$352

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Fri 12/26

5:45 am-10:01 am

1 stop4h 16m

Boise Air Term. Gowen Fld

Tue 12/30

5:12 pm-11:59 pm

1 stop6h 47m

$391

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Mon 12/29

8:55 pm-1:25 am

1 stop4h 30m

$224

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Mon 12/29

10:10 am-2:30 pm

3 stops28h 20m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Colorado Springs 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 Colorado Springs to Boise in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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 Colorado Springs-Boise flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Colorado Springs-Boise flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Colorado Springs-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Colorado Springs-Boise flights, Cheapflights users trust eDreams the most. eDreams 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 Colorado Springs-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 Colorado Springs to Boise

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

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

Currently, October is the cheapest month in which you can book a flight from Colorado Springs to Boise (average of $54). Flying from Colorado Springs to Boise in March is currently the most expensive (average of $197). 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.

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 December 12, 2025.
Read through reviews of airlines operating flights from Colorado Springs to Boise, such as Southwest and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,252 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,252 reviews
Southwest
7.9
Good
4,252 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,252 reviews

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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

  • How long is the flight from Colorado Springs to Boise?

    Departing from Colorado Springs to Boise will take you 6h 22m. The distance from Colorado Springs to Boise is about 682 mi. This flight may include one or multiple stops.

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

    United Airlines, at $159, was found to be the cheapest airline from Colorado Springs to Boise. An alternate airline flying to your destination would be Southwest. Users have found that United Airlines is 62% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Colorado Springs to Boise (average of $54). Flying from Colorado Springs to Boise in March is currently the most expensive (average of $197). 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 2 airlines flying from Colorado Springs to Boise

Discover the top 2 airlines that operate flights from Colorado Springs 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$198Average$360FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$236Average$412FlexibilityNo cancel feeOn-time63%

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