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Idaho

$127+ Cheap flights from Colorado Springs (COS) to Idaho

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.
COS — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Colorado Springs to Idaho

Keep the following information in mind while searching for Colorado Springs to Idaho flight deals. Data was last updated June 12, 2025.

Round-trip from

$177
(Southwest)

One-way from

$127
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$295
From Colorado Springs to Idaho
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One-way flight from Colorado Springs to Idaho
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Highest demand for flights based on searches. 18% potential increase in price ($70 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 June 2025
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Find flight deals from Colorado Springs to Idaho

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

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.
Mon 8/186:25 amCOS - BOI
1 stop4h 30mSouthwest
Mon 8/254:30 pmBOI - COS
1 stop6h 05mSouthwest
Deal found 6/11$177
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/85:55 pmCOS - BOI
1 stop6h 14mDelta
Mon 8/116:00 pmBOI - COS
1 stop4h 18mDelta
Deal found 6/10$227
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:55 pmCOS - IDA
1 stop4h 34mDelta
Sat 8/911:20 amIDA - COS
1 stop4h 34mDelta
Deal found 6/12$249
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.
Thu 7/1012:55 pmCOS - GEG
1 stop5h 32mUnited Airlines
Mon 7/146:25 pmGEG - COS
1 stop4h 27mUnited Airlines
Deal found 6/12$257
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
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.
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
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.
Mon 7/285:55 pmCOS - GEG
1 stop6h 43mDelta
Sat 8/99:40 amGEG - COS
1 stop5h 14mDelta
Deal found 6/11$285
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.
Wed 7/234:45 pmCOS - GEG
1 stop8h 20mSouthwest
Mon 7/286:10 amGEG - COS
1 stop8h 15mSouthwest
Deal found 6/11$314
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.
Fri 6/277:30 amCOS - JAC
1 stop5h 20mUnited Airlines
Tue 7/11:46 pmJAC - COS
1 stop3h 34mUnited Airlines
Deal found 6/11$327
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.
Thu 6/265:30 amCOS - IDA
1 stop4h 14mUnited Airlines
Mon 6/304:13 pmIDA - COS
1 stop5h 42mUnited Airlines
Deal found 6/11$369
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.
Thu 6/265:01 pmCOS - GEG
1 stop7h 19mAmerican Airlines
Wed 7/212:35 pmGEG - COS
1 stop8h 47mAmerican Airlines
Deal found 6/11$399

Cheapflights Fare Finder

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

Fly from

Colorado Springs

Fly to

Idaho

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 SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Thu 8/7

5:55 pm-10:29 pm

1 stop4h 34m

Idaho Falls Fanning Field

Sat 8/9

11:20 am-3:54 pm

1 stop4h 34m

$249

Colorado SpringsSpokane

COS - GEG

COSGEG

Colorado Springs

Thu 7/10

12:55 pm-5:27 pm

1 stop5h 32m

Spokane

Mon 7/14

6:25 pm-11:52 pm

1 stop4h 27m

$257

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 SpringsSpokane

COS - GEG

COSGEG

Colorado Springs

Mon 7/28

5:55 pm-11:38 pm

1 stop6h 43m

Spokane

Sat 8/9

9:40 am-3:54 pm

1 stop5h 14m

$285

Colorado SpringsSpokane

COS - GEG

COSGEG

Colorado Springs

Wed 7/23

4:45 pm-12:05 am

1 stop8h 20m

Spokane

Mon 7/28

6:10 am-3:25 pm

1 stop8h 15m

$314

Colorado SpringsJackson

COS - JAC

COSJAC

Colorado Springs

Fri 6/27

7:30 am-12:50 pm

1 stop5h 20m

Jackson Hole

Tue 7/1

1:46 pm-5:20 pm

1 stop3h 34m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 23 results
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Best time to book a flight from Colorado Springs to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho 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 Idaho

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

Currently, October is the cheapest month in which you can book a flight from Colorado Springs to Idaho (average of $314). Flying from Colorado Springs to Idaho 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 Idaho by month

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

In terms of precipitation, rainfall in Idaho 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 Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Colorado Springs to Idaho to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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

Find useful and relevant information for your journey from Colorado Springs to Idaho. 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 Colorado Springs to Idaho?

    Most people fly from Colorado Springs (COS) if they book a flight from Colorado Springs to Idaho. Colorado Springs is conveniently located just 6.7 mi from Colorado Springs’s city center.

  • What are the cheapest airlines to fly from Colorado Springs to Idaho 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 Allegiant Air from $142 and Southwest from $190 one-way.

  • What are the most popular routes from Colorado Springs to Idaho?

    Most travelers choose Colorado Springs - Spokane, Colorado Springs - Boise Air Term. Gowen Fld or Colorado Springs - Jackson Hole when deciding on the best route from Colorado Springs to Idaho.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Colorado Springs to Idaho (average of $314). Flying from Colorado Springs to Idaho 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

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Alternative routes for Colorado Springs to Idaho

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Top 2 airlines flying from Colorado Springs to Idaho

Discover the top 2 airlines that operate flights from Colorado Springs to Idaho. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$198Average$363FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$462FlexibilityNo cancel feeOn-time63%

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