What is the cheapest airline that flies from Colorado Springs to Idaho?

Delta, United Airlines, and Southwest are the most popular carriers operating from Colorado Springs to Idaho

What airlines fly to Idaho?

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to Idaho from Colorado Springs according to our data. United Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 4 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Colorado Springs Airport to Idaho?

Prices for flights from Colorado Springs Airport to Idaho refresh daily.

How many operators does momondo search for flights from Colorado Springs Airport to Idaho?

As of August 2026, there are 3 operators available to choose from for flights from Colorado Springs Airport to Idaho.

How old do you have to be to fly from Colorado Springs Airport to Idaho?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado Springs Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$141 Cheap Flights from Colorado Springs to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado Springs to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:03 pm - 5:58 pmCOS Colorado Springs-BOI Boise Air Term. Gowen Fld

4h 55m1 stop Denver Intl

5:40 pm - 9:56 pmBOI Boise Air Term. Gowen Fld-COS Colorado Springs

4h 16m1 stop Denver Intl

$233United Airlines

Wed, Sep 9 - Tue, Sep 15

6:16 pm - 9:59 pmCOS Colorado Springs-BOI Boise Air Term. Gowen Fld

3h 43m1 stop Salt Lake City

6:45 pm - 10:28 pmBOI Boise Air Term. Gowen Fld-COS Colorado Springs

3h 43m1 stop Salt Lake City

$239Delta

Tue, Sep 1 - Wed, Sep 2

5:30 am - 9:35 amCOS Colorado Springs-BOI Boise Air Term. Gowen Fld

4h 05m1 stop Denver Intl

2:44 pm - 8:44 pmBOI Boise Air Term. Gowen Fld-COS Colorado Springs

6h 00m1 stop Denver Intl

$239United Airlines

Tue, Sep 1 - Tue, Sep 1

5:30 am - 9:35 amCOS Colorado Springs-BOI Boise Air Term. Gowen Fld

4h 05m1 stop Denver Intl

6:30 am - 10:21 amBOI Boise Air Term. Gowen Fld-COS Colorado Springs

3h 51m1 stop Denver Intl

$248United Airlines

Thu, Sep 10 - Wed, Sep 16

7:00 am - 10:25 amCOS Colorado Springs-GEG Spokane

4h 25m1 stop Denver Intl

5:10 pm - 11:40 pmGEG Spokane-COS Colorado Springs

5h 30m1 stop Las Vegas Harry Reid Intl

$267Southwest

Sat, Sep 26 - Mon, Sep 28

6:11 pm - 11:29 pmCOS Colorado Springs-GEG Spokane

6h 18m1 stop Salt Lake City

5:09 pm - 10:22 pmGEG Spokane-COS Colorado Springs

4h 13m1 stop Salt Lake City

$267Delta

Tue, Sep 29 - Tue, Oct 6

6:11 pm - 11:30 pmCOS Colorado Springs-GEG Spokane

6h 19m1 stop Salt Lake City

5:14 pm - 10:25 pmGEG Spokane-COS Colorado Springs

4h 11m1 stop Salt Lake City

$268Delta

Mon, Sep 14 - Tue, Sep 15

8:10 pm - 12:30 amCOS Colorado Springs-GEG Spokane

5h 20m1 stop Las Vegas Harry Reid Intl

12:15 pm - 7:30 pmGEG Spokane-COS Colorado Springs

6h 15m1 stop San Diego

$269Southwest

Thu, Oct 15 - Mon, Oct 19

2:00 pm - 6:25 pmCOS Colorado Springs-GEG Spokane

5h 25m1 stop Phoenix Sky Harbor Intl

5:10 pm - 11:40 pmGEG Spokane-COS Colorado Springs

5h 30m1 stop Las Vegas Harry Reid Intl

$270Southwest

Sat, Sep 5 - Thu, Sep 10

8:00 am - 4:39 pmCOS Colorado Springs-GEG Spokane

9h 39m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

6:15 am - 6:34 pmGEG Spokane-COS Colorado Springs

11h 19m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$681American Airlines

Fri, Nov 6 - Mon, Nov 9

Cheap last minute flights

Enter your travel dates to find the best prices.

8:38 am - 3:06 pmCOS Colorado Springs-GEG Spokane

7h 28m1 stop Denver Intl

5:00 am - 12:28 pmGEG Spokane-COS Colorado Springs

6h 28m1 stop Denver Intl

$661United Airlines

Tue, Aug 18 - Sun, Aug 23

8:38 am - 3:06 pmCOS Colorado Springs-GEG Spokane

7h 28m1 stop Denver Intl

1:37 pm - 8:44 pmGEG Spokane-COS Colorado Springs

6h 07m1 stop Denver Intl

$661United Airlines

Mon, Aug 17 - Wed, Aug 19

4:20 pm - 11:15 pmCOS Colorado Springs-GEG Spokane

7h 55m2 stops Denver Intl Las Vegas Harry Reid Intl

1:55 pm - 9:45 pmGEG Spokane-COS Colorado Springs

6h 50m1 stop Denver Intl

$666Southwest

Mon, Aug 17 - Wed, Aug 19

5:30 am - 1:15 pmCOS Colorado Springs-GEG Spokane

8h 45m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

5:45 am - 4:00 pmGEG Spokane-COS Colorado Springs

9h 15m2 stops Sacramento Intl Denver Intl

$671Southwest

Mon, Aug 17 - Wed, Aug 19

6:00 am - 9:51 amCOS Colorado Springs-IDA Idaho Falls Fanning Field

3h 51m1 stop Denver Intl

5:53 pm - 11:55 pmIDA Idaho Falls Fanning Field-COS Colorado Springs

6h 02m1 stop Denver Intl

$675United Airlines

Sun, Aug 16 - Sun, Aug 23

1:17 pm - 8:42 pmCOS Colorado Springs-GEG Spokane

8h 25m1 stop Dallas/Fort Worth

5:40 am - 2:54 pmGEG Spokane-COS Colorado Springs

8h 14m1 stop Dallas/Fort Worth

$741American Airlines

Mon, Aug 17 - Sun, Aug 23

10:55 am - 4:10 pmCOS Colorado Springs-BOI Boise Air Term. Gowen Fld

5h 15m1 stop Denver Intl

10:25 am - 6:05 pmBOI Boise Air Term. Gowen Fld-COS Colorado Springs

7h 40m1 stop Las Vegas Harry Reid Intl

$741Southwest

Sun, Aug 16 - Thu, Aug 20

1:17 pm - 8:42 pmCOS Colorado Springs-GEG Spokane

8h 25m1 stop Dallas/Fort Worth

5:20 am - 4:42 pmGEG Spokane-COS Colorado Springs

10h 22m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$792American Airlines

Mon, Aug 17 - Sun, Aug 23

8:10 am - 7:14 pmCOS Colorado Springs-GEG Spokane

12h 04m2 stops Salt Lake City Seattle/Tacoma Intl

5:00 pm - 10:28 pmGEG Spokane-COS Colorado Springs

4h 28m1 stop Salt Lake City

$815Delta

Mon, Aug 17 - Sun, Aug 23

6:16 pm - 11:59 pmCOS Colorado Springs-GEG Spokane

6h 43m2 stops Salt Lake City Seattle/Tacoma Intl

5:00 pm - 10:28 pmGEG Spokane-COS Colorado Springs

4h 28m1 stop Salt Lake City

$825Delta

Mon, Aug 17 - Sun, Aug 23

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United Airlines flights from Colorado Springs to Idaho

Our best United Airlines deals on Colorado Springs to Idaho flight tickets

United Airlines

Sep 9

COS1:03 pmColorado Springs

4h 55m

1 stop

BOI5:58 pmBoise Air Term. Gowen Fld

Sep 15

BOI5:40 pmBoise Air Term. Gowen Fld

4h 16m

1 stop

COS9:56 pmColorado Springs

$233

United Airlines

Sep 10

COS5:30 amColorado Springs

4h 05m

1 stop

BOI9:35 amBoise Air Term. Gowen Fld

Sep 16

BOI6:30 amBoise Air Term. Gowen Fld

3h 51m

1 stop

COS10:21 amColorado Springs

$248

United Airlines

Sep 10

COS7:00 amColorado Springs

6h 35m

1 stop

GEG12:35 pmSpokane

Sep 16

GEG5:00 amSpokane

4h 21m

1 stop

COS10:21 amColorado Springs

$274

Southwest flights from Colorado Springs to Idaho

Our best Southwest deals on Colorado Springs to Idaho flight tickets

Southwest

Sep 26

COS7:00 amColorado Springs

4h 25m

1 stop

GEG10:25 amSpokane

Sep 28

GEG5:10 pmSpokane

5h 30m

1 stop

COS11:40 pmColorado Springs

$267

Southwest

Sep 5

COS2:00 pmColorado Springs

5h 25m

1 stop

GEG6:25 pmSpokane

Sep 10

GEG5:10 pmSpokane

5h 30m

1 stop

COS11:40 pmColorado Springs

$270

Southwest

Sep 11

COS5:30 amColorado Springs

4h 45m

1 stop

BOI10:15 amBoise Air Term. Gowen Fld

Sep 18

BOI3:45 pmBoise Air Term. Gowen Fld

7h 55m

2 stops

COS11:40 pmColorado Springs

$278

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Colorado SpringsBoise

COS Colorado Springs - BOI Boise Air Term. Gowen Fld

COSBOI

Colorado Springs

Wed 9/9

1:03 pm-5:58 pm

1 stop4h 55m

Boise Air Term. Gowen Fld

Tue 9/15

5:40 pm-9:56 pm

1 stop4h 16m

$233

Quickest round-trip

Colorado SpringsBoise

COS Colorado Springs - BOI Boise Air Term. Gowen Fld

COSBOI

Colorado Springs

Tue 9/1

6:16 pm-9:59 pm

1 stop3h 43m

Boise Air Term. Gowen Fld

Wed 9/2

6:45 pm-10:28 pm

1 stop3h 43m

$239

Colorado SpringsBoise

COS Colorado Springs - BOI Boise Air Term. Gowen Fld

COSBOI

Colorado Springs

Tue 9/1

5:30 am-9:35 am

1 stop4h 05m

Boise Air Term. Gowen Fld

Tue 9/1

2:44 pm-8:44 pm

1 stop6h 00m

$239

Colorado SpringsBoise

COS Colorado Springs - BOI Boise Air Term. Gowen Fld

COSBOI

Colorado Springs

Thu 9/10

5:30 am-9:35 am

1 stop4h 05m

Boise Air Term. Gowen Fld

Wed 9/16

6:30 am-10:21 am

1 stop3h 51m

$248

Colorado SpringsSpokane

COS Colorado Springs - GEG Spokane

COSGEG

Colorado Springs

Sat 9/26

7:00 am-10:25 am

1 stop4h 25m

Spokane

Mon 9/28

5:10 pm-11:40 pm

1 stop5h 30m

$267

Colorado SpringsSpokane

COS Colorado Springs - GEG Spokane

COSGEG

Colorado Springs

Tue 9/29

6:11 pm-11:29 pm

1 stop6h 18m

Spokane

Tue 10/6

5:09 pm-10:22 pm

1 stop4h 13m

$267

Colorado SpringsSpokane

COS Colorado Springs - GEG Spokane

COSGEG

Colorado Springs

Mon 9/14

6:11 pm-11:30 pm

1 stop6h 19m

Spokane

Tue 9/15

5:14 pm-10:25 pm

1 stop4h 11m

$268

Colorado SpringsSpokane

COS Colorado Springs - GEG Spokane

COSGEG

Colorado Springs

Thu 10/15

8:10 pm-12:30 am

1 stop5h 20m

Spokane

Mon 10/19

12:15 pm-7:30 pm

1 stop6h 15m

$269

Colorado SpringsSpokane

COS Colorado Springs - GEG Spokane

COSGEG

Colorado Springs

Sat 9/5

2:00 pm-6:25 pm

1 stop5h 25m

Spokane

Thu 9/10

5:10 pm-11:40 pm

1 stop5h 30m

$270

Colorado SpringsSpokane

COS Colorado Springs - GEG Spokane

COSGEG

Colorado Springs

Fri 11/6

8:00 am-4:39 pm

2 stops9h 39m

Spokane

Mon 11/9

6:15 am-6:34 pm

2 stops11h 19m

$681

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado Springs to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Idaho?

In general, October is the cheapest month to fly from Colorado Springs to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. If you don’t want to visit Idaho in October, then you should wait until February to fly from Colorado Springs, when ticket prices are also cheap, with an average price of $346.

Cheap Colorado Springs to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado Springs to Idaho

Fastest flight time	3h 51m
Direct flights	None

The fastest flight from Colorado Springs to Idaho takes 3h 51m

There are no direct flights from Colorado Springs to Idaho. There are no popular flight routes from Colorado Springs to Idaho.

Search flight deals

Frequently asked questions about flying from Colorado Springs to Idaho

When did momondo last update prices for flights from Colorado Springs Airport to Idaho?
Prices for flights from Colorado Springs Airport to Idaho refresh daily.
How many operators does momondo search for flights from Colorado Springs Airport to Idaho?
As of August 2026, there are 3 operators available to choose from for flights from Colorado Springs Airport to Idaho.
How old do you have to be to fly from Colorado Springs Airport to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado Springs Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Colorado Springs to Idaho

Compare and see reviews for airlines that fly from Colorado Springs to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $236	Free Cancellation	Rating 8.0 4,219 reviews		Search Southwest flights
United Airlines	PriceFrom $266	Free Cancellation	Rating 7.4 10,111 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado Springs to Idaho?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado Springs to Idaho for you.

Can I find flights from Colorado Springs to Idaho with flexible booking policies on momondo?

momondo does allow users to show only those flights to Idaho from Colorado Springs which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Colorado Springs to Idaho?

Once you have performed a search for Colorado Springs to Idaho flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Colorado Springs to Idaho right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Colorado Springs to Idaho flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.