How long is the flight from Idaho to Colorado?

Flight times from Idaho to Colorado vary, but if you’re flying out of Boise and flying into Denver (one of the most popular routes), then the duration is 1h 45m on average. Another popular route from Idaho to Colorado is flying from Idaho Falls to Denver, which will take roughly 1h 47m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Colorado?

United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Colorado from Idaho according to our data. United Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 6 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

How many flights depart from Idaho to Colorado on average per day?

The number of flights available between Idaho and Colorado is 35 per day as of December 2025. The most frequent departure time is 2:00PM, with 45% of daily flights leaving in the afternoon.

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

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

How many flights depart from Idaho to Colorado on average per week?

248 flights are operational weekly from Idaho to Colorado as of December 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

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

Prices for flights from Idaho to Colorado are updated daily.

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

The number of operators available for flights from Idaho to Colorado is 6 as of December 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Colorado.

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

The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$32 Cheap Flights from Idaho to Colorado in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:07 pm - 2:07 pm

BOI

DEN

2h 00mnonstop

9:54 am - 9:20 am

DEN

BOI

23h 26m1 stop

$138Multiple Airlines

Fri, Jan 23 - Sun, Jan 25

3:43 pm - 11:35 pm

BOI

DEN

7h 52m1 stop

9:10 am - 11:12 am

DEN

BOI

2h 02mnonstop

$141Multiple Airlines

Fri, Jan 23 - Mon, Jan 26

12:07 pm - 2:08 pm

BOI

DEN

2h 01mnonstop

9:10 am - 11:17 am

DEN

BOI

2h 07mnonstop

$147Frontier

Fri, Jan 9 - Sun, Jan 11

12:07 pm - 2:08 pm

BOI

DEN

2h 01mnonstop

9:10 am - 11:17 am

DEN

BOI

2h 07mnonstop

$148Frontier

Fri, Jan 9 - Sun, Jan 11

11:25 am - 5:34 pm

GEG

DEN

5h 09m1 stop

6:50 pm - 11:59 pm

DEN

GEG

6h 09m1 stop

$165Delta

Tue, Jan 13 - Tue, Jan 20

7:20 am - 3:15 pm

GEG

DEN

6h 55m2 stops

6:50 pm - 11:59 pm

DEN

GEG

6h 09m1 stop

$170Delta

Tue, Jan 13 - Tue, Jan 20

4:19 pm - 6:13 pm

IDA

DEN

1h 54mnonstop

8:00 am - 9:56 am

DEN

IDA

1h 56mnonstop

$189United Airlines

Fri, Jan 30 - Sat, Jan 31

2:30 pm - 4:17 pm

IDA

DEN

1h 47mnonstop

11:44 am - 1:24 pm

DEN

IDA

1h 40mnonstop

$202United Airlines

Thu, Apr 16 - Sun, Apr 19

6:20 am - 11:25 am

GEG

COS

4h 05m1 stop

12:55 pm - 8:25 pm

COS

GEG

8h 30m2 stops

$309Southwest

Wed, Jan 28 - Sat, Jan 31

6:20 am - 11:25 am

GEG

COS

4h 05m1 stop

3:10 pm - 9:40 pm

COS

GEG

7h 30m2 stops

$322Southwest

Thu, Jan 29 - Mon, Feb 2

Frontier flights from Idaho to Colorado

Our best Frontier deals on Idaho to Colorado flight tickets

Frontier

Jan 9

BOI12:07 pmBoise Air Term. Gowen Fld

2h 01m

DEN2:08 pmDenver Intl

Jan 11

DEN9:10 amDenver Intl

2h 07m

BOI11:17 amBoise Air Term. Gowen Fld

$147

Find similar

Frontier

Jan 9

BOI12:07 pmBoise Air Term. Gowen Fld

2h 01m

DEN2:08 pmDenver Intl

Jan 11

DEN9:10 amDenver Intl

2h 07m

BOI11:17 amBoise Air Term. Gowen Fld

$148

Find similar

Frontier

Jan 8

GEG4:14 pmSpokane

6h 05m

1 stop

DEN11:19 pmDenver Intl

Jan 15

DEN9:00 amDenver Intl

2h 37m

GEG10:37 amSpokane

$161

Find similar

United Airlines flights from Idaho to Colorado

Our best United Airlines deals on Idaho to Colorado flight tickets

United Airlines

Jan 25

BOI5:16 pmBoise Air Term. Gowen Fld

2h 14m

DEN7:30 pmDenver Intl

Feb 1

DEN7:45 amDenver Intl

2h 21m

BOI10:06 amBoise Air Term. Gowen Fld

$177

Find similar

United Airlines

Jan 23

IDA2:40 pmIdaho Falls Fanning Field

1h 51m

DEN4:31 pmDenver Intl

Feb 15

DEN8:00 amDenver Intl

1h 48m

IDA9:48 amIdaho Falls Fanning Field

$189

Find similar

United Airlines

Jan 23

BOI6:10 amBoise Air Term. Gowen Fld

2h 10m

DEN8:20 amDenver Intl

Jan 25

DEN7:45 amDenver Intl

2h 21m

BOI10:06 amBoise Air Term. Gowen Fld

$197

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Fri 1/23

12:07 pm-2:07 pm

Nonstop2h 00m

Denver Intl

Sun 1/25

9:54 am-9:20 am

1 stop23h 26m

$138

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Fri 1/23

3:43 pm-11:35 pm

1 stop7h 52m

Denver Intl

Mon 1/26

9:10 am-11:12 am

Nonstop2h 02m

$141

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Fri 1/9

12:07 pm-2:08 pm

Nonstop2h 01m

Denver Intl

Sun 1/11

9:10 am-11:17 am

Nonstop2h 07m

$147

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Fri 1/9

12:07 pm-2:08 pm

Nonstop2h 01m

Denver Intl

Sun 1/11

9:10 am-11:17 am

Nonstop2h 07m

$148

SpokaneDenver

GEG - DEN

GEGDEN

Spokane

Tue 1/13

11:25 am-5:34 pm

1 stop5h 09m

Denver Intl

Tue 1/20

6:50 pm-11:59 pm

1 stop6h 09m

$165

SpokaneDenver

GEG - DEN

GEGDEN

Spokane

Tue 1/13

7:20 am-3:15 pm

2 stops6h 55m

Denver Intl

Tue 1/20

6:50 pm-11:59 pm

1 stop6h 09m

$170

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 1/30

4:19 pm-6:13 pm

Nonstop1h 54m

Denver Intl

Sat 1/31

8:00 am-9:56 am

Nonstop1h 56m

$189

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Thu 4/16

2:30 pm-4:17 pm

Nonstop1h 47m

Denver Intl

Sun 4/19

11:44 am-1:24 pm

Nonstop1h 40m

$202

SpokaneColorado Springs

GEG - COS

GEGCOS

Spokane

Wed 1/28

6:20 am-11:25 am

1 stop4h 05m

Colorado Springs

Sat 1/31

12:55 pm-8:25 pm

2 stops8h 30m

$309

SpokaneColorado Springs

GEG - COS

GEGCOS

Spokane

Thu 1/29

6:20 am-11:25 am

1 stop4h 05m

Colorado Springs

Mon 2/2

3:10 pm-9:40 pm

2 stops7h 30m

$322

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 Idaho to Colorado

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

Other information

What is the cheapest month to fly to Colorado?

The month of October is, on average, the cheapest month to fly to Colorado from Idaho, with most prices found around $187. The month of August is another great option to travel to Colorado, with average flight prices from Idaho averaging around $221.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Idaho to Colorado is on a Thursday when prices can be found for as low as $415. On the other hand, Monday is the most expensive day to depart from Idaho because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $523.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $242. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $472 per ticket.

What is the cheapest Idaho to Colorado flight route?

Fly from Boise Air Term. Gowen Fld to Denver Intl for the best Idaho - Colorado flight prices

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

You are more likely to see cheaper flights to Colorado from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $269 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Idaho for as low as $174 on momondo.

What cabin class options are available on Idaho to Colorado flights?

There are 4 cabin classes available to choose from on Idaho to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to Colorado flights?

No. A direct flight is the cheapest option for a flight between Idaho to Colorado.

Cheap Idaho to Colorado flight deals and tips

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

Best Price Found	$124
Fastest flight time	1h 32m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Idaho in the past 72 hours is $124. The best round-trip flight deal from Idaho to Colorado found on momondo in the last 72 hours is $323.

The fastest flight from Idaho to Colorado takes 1h 32m

Direct flights go from Idaho to Colorado every day.

There are 87 airports in Colorado. From Idaho there are direct flights to Denver Intl (DEN).

Search flight deals

When did momondo last update prices for flights from Idaho to Colorado?
Prices for flights from Idaho to Colorado are updated daily.
How many operators does momondo search for flights from Idaho to Colorado?
The number of operators available for flights from Idaho to Colorado is 6 as of December 2025.
How old do you have to be to fly from Idaho to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Colorado.
What documentation or ID do you need to fly to Colorado?
The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Idaho to Colorado?
Based on momondo bookings for flights between Idaho and Colorado, the leading plane model is Embraer 175 (Enhanced Winglets), making up 17.30% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 700 with 15.25%, Boeing 737-900 with 13.07%, and Boeing 737-700 Passenger/BBJ1 (winglets) with 8.76%.

Best airlines flying from Idaho to Colorado

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

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $54	Free Cancellation	Rating 7.2 703 reviews	Search Allegiant Air flights
Frontier	PriceFrom $58	Free Cancellation	Rating 5.8 3,071 reviews	Search Frontier flights
Delta	PriceFrom $136	Free Cancellation	Rating 7.9 8,019 reviews	Search Delta flights
Alaska Airlines	PriceFrom $154	Free Cancellation	Rating 8.0 11,545 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $176	Free Cancellation	Rating 7.4 9,114 reviews	Search United Airlines flights
Southwest	PriceFrom $191	Free Cancellation	Rating 8.0 4,257 reviews	Search Southwest flights

Why use momondo?

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

It is quick and easy to find Idaho to Colorado flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Colorado that suits you.

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

Flights from Idaho to Colorado with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Colorado.

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

Yes. momondo can track prices for Idaho to Colorado 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.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Colorado

Popular cities in Colorado

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Flights to Orlandofrom $49

Flights to San Franciscofrom $59

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $58

Flights to Bostonfrom $51

Flights to Atlantafrom $44

Flights to Dallasfrom $51

Flights to Seattlefrom $57

Idaho flight routes

Flights from Hailey Sun Valley-Friedman to Seattle/Tacoma Intl

Flights from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl

Flights from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl

Flights from Idaho Falls Fanning Field to Portland

Flights from Boise Air Term. Gowen Fld to Ontario

Flights from Boise Air Term. Gowen Fld to Las Vegas Harry Reid Intl

Cheap flights from Idaho to Colorado from $32

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Colorado departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Idaho to Colorado

Cheap round-trip flights

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Cheap last minute flights

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Frontier flights from Idaho to Colorado

Our best Frontier deals on Idaho to Colorado flight tickets

United Airlines flights from Idaho to Colorado

Our best United Airlines deals on Idaho to Colorado flight tickets

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

See travel insights to Colorado from

How to get the cheapest flight ticket from Idaho to Colorado

What is the cheapest month to fly to Colorado?

The month of October is, on average, the cheapest month to fly to Colorado from Idaho, with most prices found around $187. The month of August is another great option to travel to Colorado, with average flight prices from Idaho averaging around $221.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Idaho to Colorado is on a Thursday when prices can be found for as low as $415. On the other hand, Monday is the most expensive day to depart from Idaho because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $523.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $242. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $472 per ticket.

What is the cheapest Idaho to Colorado flight route?

Fly from Boise Air Term. Gowen Fld to Denver Intl for the best Idaho - Colorado flight prices

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

What cabin class options are available on Idaho to Colorado flights?

There are 4 cabin classes available to choose from on Idaho to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to Colorado flights?

No. A direct flight is the cheapest option for a flight between Idaho to Colorado.

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

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

What airlines fly to Colorado?

How many flights depart from Idaho to Colorado on average per day?

The number of flights available between Idaho and Colorado is 35 per day as of December 2025. The most frequent departure time is 2:00PM, with 45% of daily flights leaving in the afternoon.

How many flights depart from Idaho to Colorado on average per week?

248 flights are operational weekly from Idaho to Colorado as of December 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

How long is the flight from Idaho to Colorado?

Cheap Idaho to Colorado flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

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

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

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

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

What is the most popular plane model from Idaho to Colorado?

Best airlines flying from Idaho to Colorado

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

Why use momondo?

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

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

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

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

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo