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

Southwest, at $177, was found to be the cheapest airline from Colorado Springs to Boise.Alternate airlines to your destination round-trip include Delta and Allegiant Air. Users have found that Southwest is 57% cheaper than the other options available to this destination.

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

One-way options have recently been found by users for as low as $127 on United Airlines. Other airlines that offer cheap prices include American Airlines from $230 and Delta from $285 one-way.

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

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

What is the cheapest day to fly round-trip from Colorado Springs to Boise?

Friday flights are found to be more expensive to fly from Colorado Springs to Boise. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boise.

How far in advance should I book a flight from Colorado Springs to Boise?

To save on the cost of your flight from Colorado Springs to Boise, book at least 53 days before your planned departure. Booking around this time can save you about 360% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $388 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $591.

What is the cheapest month to fly from Colorado Springs to Boise?

Flights from Colorado Springs to Boise lean towards being more expensive in December. Prices are generally better when you fly from Colorado Springs to Boise in May, with the cheapest ticket starting at $114.

What is the cheapest time of day to fly from COS to BOI?

Unlike at noon, when flights are generally more expensive, you can save up to 13% on flights from Colorado Springs to Boise by exploring options for tickets in the morning.

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.

$127+ Flights from Colorado Springs to Boise

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Colorado Springs to Boise 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 Colorado Springs to Boise

Round-trip from	$177 (Southwest)
One-way from	$127 (United Airlines)
Popular in	February
Cheapest in	May
Average price	$333

From Colorado Springs to Boise Air Term. Gowen Fld

Search Deals

One-way flight from Colorado Springs to Boise Air Term. Gowen Fld

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($75 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find 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 June 12, 2025.

Mon 8/186:25 amCOS - BOI

1 stop4h 30mSouthwest

Mon 8/254:30 pmBOI - COS

1 stop6h 05mSouthwest

Deal found 6/11

$177

Fri 8/85:55 pmCOS - BOI

1 stop6h 14mDelta

Mon 8/116:00 pmBOI - COS

1 stop4h 18mDelta

Deal found 6/10

$227

Fri 8/295:40 pmCOS - BOI

1 stop19h 10mAllegiant Air

Sun 8/316:48 pmBOI - COS

1 stop22h 07mAllegiant Air

Deal found 6/10

$258

Fri 7/114:55 pmCOS - BOI

1 stop6h 21mAmerican Airlines

Tue 7/151:48 pmBOI - COS

2 stops10h 04mAmerican Airlines

Deal found 6/10

$282

Sat 6/285:30 amCOS - BOI

1 stop4h 16mUnited Airlines

Tue 7/15:42 pmBOI - COS

1 stop6h 10mUnited Airlines

Deal found 6/12

$284

Best flights from Colorado Springs to Boise
Discover carefully curated flight deals from Colorado Springs to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Mon 8/186:25 amCOS - BOI

1 stop4h 30mSouthwest

Mon 8/254:30 pmBOI - COS

1 stop6h 05mSouthwest

Deal found 6/11

$177

Fri 8/85:55 pmCOS - BOI

1 stop6h 14mDelta

Mon 8/116:00 pmBOI - COS

1 stop4h 18mDelta

Deal found 6/10

$227

Fri 8/295:40 pmCOS - BOI

1 stop19h 10mAllegiant Air

Sun 8/316:48 pmBOI - COS

1 stop22h 07mAllegiant Air

Deal found 6/10

$258

Fri 7/114:55 pmCOS - BOI

1 stop6h 21mAmerican Airlines

Tue 7/151:48 pmBOI - COS

2 stops10h 04mAmerican Airlines

Deal found 6/10

$282

Sat 6/285:30 amCOS - BOI

1 stop4h 16mUnited Airlines

Tue 7/15:42 pmBOI - COS

1 stop6h 10mUnited Airlines

Deal found 6/12

$284

Last-minute flights from Colorado Springs to Boise
Discover last-minute flight deals from Colorado Springs to Boise. Data last updated June 12, 2025 and is based on user searches.

Wed 6/186:00 amCOS - BOI

1 stop3h 46mUnited Airlines

Tue 6/2410:42 amBOI - COS

1 stop4h 09mUnited Airlines

Deal found 6/10

$430

Wed 6/186:50 amCOS - BOI

2 stops9h 15mSouthwest

Tue 6/247:05 pmBOI - COS

1 stop4h 45mSouthwest

Deal found 6/10

$470

Sat 6/285:30 amCOS - BOI

1 stop4h 16mUnited Airlines

Tue 7/15:42 pmBOI - COS

1 stop6h 10mUnited Airlines

Deal found 6/12

$284

Tue 7/16:50 amCOS - BOI

2 stops9h 15mSouthwest

Sat 7/55:40 amBOI - COS

1 stop4h 55mSouthwest

Deal found 6/11

$364

Tue 7/85:55 pmCOS - BOI

1 stop3h 45mDelta

Tue 7/156:00 pmBOI - COS

1 stop4h 13mDelta

Deal found 6/10

$253

Fri 7/114:55 pmCOS - BOI

1 stop6h 21mAmerican Airlines

Tue 7/151:48 pmBOI - COS

2 stops10h 04mAmerican Airlines

Deal found 6/10

$282

One-way flights from Colorado Springs to Boise
Search for one-way flight options from Colorado Springs to Boise. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Tue 7/86:35 pmCOS - BOI

1 stop3h 52mUnited Airlines

Deal found 6/10

$127

Fri 7/1110:49 amCOS - BOI

2 stops12h 44mAmerican Airlines

Deal found 6/10

$230

Tue 7/88:15 amCOS - BOI

2 stops10h 44mDelta

Deal found 6/10

$285

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado Springs to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Mon 8/18

6:25 am-10:55 am

1 stop4h 30m

Boise Air Term. Gowen Fld

Mon 8/25

4:30 pm-10:35 pm

1 stop6h 05m

$177

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Fri 8/8

5:55 pm-12:09 am

1 stop6h 14m

Boise Air Term. Gowen Fld

Mon 8/11

6:00 pm-10:18 pm

1 stop4h 18m

$227

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Fri 8/29

5:40 pm-12:50 pm

1 stop19h 10m

Boise Air Term. Gowen Fld

Sun 8/31

6:48 pm-4:55 pm

1 stop22h 07m

$258

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Fri 7/11

4:55 pm-11:16 pm

1 stop6h 21m

Boise Air Term. Gowen Fld

Tue 7/15

1:48 pm-11:52 pm

2 stops10h 04m

$282

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Sat 6/28

5:30 am-9:46 am

1 stop4h 16m

Boise Air Term. Gowen Fld

Tue 7/1

5:42 pm-11:52 pm

1 stop6h 10m

$284

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Tue 7/8

6:35 pm-10:27 pm

1 stop3h 52m

$127

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Fri 7/11

10:49 am-11:33 pm

2 stops12h 44m

$230

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Tue 7/8

8:15 am-6:59 pm

2 stops10h 44m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $314). Flying from Colorado Springs to Boise in June is currently the most expensive (average of $395). 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.

Rainfall in Boise by month

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

If weather is an important factor for your trip to Boise, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boise

Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Colorado Springs to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,287 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,950 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,790 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Allegiant Air

7.3

Good

725 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What are the cheapest airlines flying from Colorado Springs to Boise round-trip?
Southwest, at $177, was found to be the cheapest airline from Colorado Springs to Boise.Alternate airlines to your destination round-trip include Delta and Allegiant Air. Users have found that Southwest is 57% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Colorado Springs to Boise one-way?
One-way options have recently been found by users for as low as $127 on United Airlines. Other airlines that offer cheap prices include American Airlines from $230 and Delta from $285 one-way.
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 $314). Flying from Colorado Springs to Boise in June is currently the most expensive (average of $395). 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

Nampa

Meridian

Ontario

McCall

Caldwell

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Colorado Springs to Boise

Other flights to Boise

Other flights from Colorado Springs

Colorado Springs to Santa Ana flights

Colorado Springs to Minneapolis flights

Colorado Springs to Salt Lake City flights

Colorado Springs to Atlanta flights

Colorado Springs to Las Vegas flights

Colorado Springs to Sky Harbor Intl flights

Top 2 airlines flying from Colorado Springs to Boise

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$198	Average$365	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$276	Average$462	FlexibilityNo cancel fee	On-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.

$127+ Cheap flights from Colorado Springs to Boise (COS - 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado Springs to Boise with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Colorado Springs to Boise

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Colorado Springs to Boise

Cheapest flights from Colorado Springs to BoiseExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado Springs to Boise that are best for you.

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.

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?

Rainfall in Boise by month

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

Temperature in Boise by month

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

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 June 12, 2025.

Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Colorado Springs to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

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

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

Traveling to a place near Colorado Springs?

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 Colorado Springs to Boise

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Colorado Springs to Boise

100% Free

Book with Flexibility

Travel Smart

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 June 12, 2025.