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$91+ Cheap flights from Colorado 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOI
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Colorado to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from Colorado (USCO) to Idaho (USID). 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 November 20, 2024.

Find flight deals from Colorado to Idaho

Cheapest flights from Colorado to Idaho
Explore the most affordable flight options available from Colorado to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/49:00 pmDEN - LWS
Nonstop2h 30mUnited Airlines
Sun 12/85:30 amLWS - DEN
Nonstop2h 13mUnited Airlines
Deal found 11/19$219
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/127:45 amDEN - BOI
Nonstop2h 15mUnited Airlines
Mon 12/166:53 pmBOI - DEN
1 stop5h 06mUnited Airlines
Deal found 11/19$257
This Delta deal was found by Cheapflights users on 11/19. 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 12/126:29 pmDEN - BOI
1 stop6h 14mDelta
Mon 12/167:30 pmBOI - DEN
1 stop3h 44mDelta
Deal found 11/19$266
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/176:00 amDEN - BOI
1 stop16h 18mAlaska Airlines
Tue 12/243:50 pmBOI - DEN
1 stop7h 39mAlaska Airlines
Deal found 11/19$268
This Southwest deal was found by Cheapflights users on 11/20. 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 12/108:55 pmDEN - BOI
Nonstop2h 00mSouthwest
Tue 12/246:00 amBOI - DEN
Nonstop2h 00mSouthwest
Deal found 11/20$272
This United deal was found by Cheapflights users on 11/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/158:00 amDEN - IDA
Nonstop1h 53mUnited Airlines
Sun 12/227:00 amIDA - DEN
Nonstop2h 00mUnited Airlines
Deal found 11/20$274
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/131:45 pmDEN - JAC
Nonstop1h 41mUnited Airlines
Sun 12/157:00 amJAC - DEN
Nonstop1h 52mUnited Airlines
Deal found 11/19$277
This Delta deal was found by Cheapflights users on 11/19. 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 12/126:29 pmDEN - IDA
1 stop4h 26mDelta
Sun 12/156:55 pmIDA - DEN
1 stop4h 19mDelta
Deal found 11/19$279
This Delta deal was found by Cheapflights users on 11/19. 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 12/132:55 pmDEN - JAC
1 stop6h 16mDelta
Sun 12/155:40 pmJAC - DEN
1 stop5h 34mDelta
Deal found 11/19$296
This Delta deal was found by Cheapflights users on 11/19. 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.
Wed 12/182:25 pmDEN - LWS
2 stops7h 48mDelta
Sat 12/2112:39 pmLWS - DEN
1 stop5h 35mDelta
Deal found 11/19$318
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:00 amDEN - GEG
1 stop5h 52mAlaska Airlines
Tue 12/105:50 pmGEG - DEN
1 stop15h 02mAlaska Airlines
Deal found 11/20$330
This Delta deal was found by Cheapflights users on 11/20. 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 12/512:40 pmDEN - GEG
1 stop4h 28mDelta
Tue 12/101:15 pmGEG - DEN
2 stops8h 59mDelta
Deal found 11/20$337

Find flights from Colorado to Idaho within your budget

Customize your flight search to find flights from Colorado 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 2,629,791 searches. Data last updated November 20, 2024.

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Price

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 1/10

6:05 pm-10:44 pm

1 stop4h 39m

Idaho Falls Fanning Field

Wed 1/15

6:00 am-11:37 am

1 stop5h 37m

$208

DenverLewiston

DEN - LWS

DENLWS

Denver Intl

Wed 12/4

9:00 pm-10:30 pm

Nonstop2h 30m

Lewiston Nez Perce Rgnl

Sun 12/8

5:30 am-8:43 am

Nonstop2h 13m

$219

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 1/9

8:00 am-9:52 am

Nonstop1h 52m

Idaho Falls Fanning Field

Wed 1/15

5:50 pm-7:40 pm

Nonstop1h 50m

$239

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Wed 1/1

6:00 am-11:32 am

1 stop5h 32m

Boise Air Term. Gowen Fld

Sun 1/5

7:00 am-9:00 am

Nonstop2h 00m

$256

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Wed 1/29

7:00 am-10:23 pm

1 stop15h 23m

Boise Air Term. Gowen Fld

Sun 2/2

7:00 am-1:07 pm

1 stop6h 07m

$259

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Tue 1/14

6:05 pm-12:18 am

1 stop6h 13m

Boise Air Term. Gowen Fld

Fri 1/17

5:59 pm-10:47 pm

1 stop4h 48m

$265

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Tue 12/10

8:55 pm-10:55 pm

Nonstop2h 00m

Boise Air Term. Gowen Fld

Tue 12/24

6:00 am-8:00 am

Nonstop2h 00m

$272

DenverJackson

DEN - JAC

DENJAC

Denver Intl

Fri 12/13

1:45 pm-3:26 pm

Nonstop1h 41m

Jackson Hole

Sun 12/15

7:00 am-8:52 am

Nonstop1h 52m

$277

DenverJackson

DEN - JAC

DENJAC

Denver Intl

Fri 12/13

2:55 pm-9:11 pm

1 stop6h 16m

Jackson Hole

Sun 12/15

5:40 pm-11:14 pm

1 stop5h 34m

$296

DenverHailey

DEN - SUN

DENSUN

Denver Intl

Sat 1/25

12:04 pm-6:15 pm

1 stop6h 11m

Hailey Sun Valley-Friedman

Wed 1/29

10:25 am-10:36 pm

1 stop12h 11m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 59 results
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Best time to book a flight from Colorado to Idaho

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

Travel insights for flights from Colorado to Idaho

Get recent, data-driven insights about flights from Colorado to Idaho including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Colorado to Idaho (average of $310). Flying from Colorado to Idaho in June is currently the most expensive (average of $436). 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.

What is the cheapest time of day to fly from CO to ID?

Find hourly flight availability from Colorado to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Idaho as you normally would.

Weekly flight availability from Colorado to Idaho

Explore weekly flight availability from Colorado to Idaho. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2024.

The most flights from USCO to USID are scheduled on a Monday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

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 November 20, 2024.
To help decide which airline to fly from Colorado to Idaho, see what other customers have to say about United Airlines, Delta and American Airlines. 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
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

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

  • How popular is this Colorado to Idaho flight route?

    This flight path from Colorado to Idaho was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Colorado to Idaho one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $91. Delta flights start at $92 while deals on American Airlines start at $104 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado 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 to Idaho?

    Currently, January is the cheapest month in which you can book a flight from Colorado to Idaho (average of $310). Flying from Colorado to Idaho in June is currently the most expensive (average of $436). 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.

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Alternative routes for Colorado to Idaho

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Top 5 airlines flying from Colorado to Idaho

Discover the top 5 airlines that operate flights from Colorado 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$156Average$376FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$412FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$182Average$318FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$203Average$347FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$298Average$423FlexibilityNo cancel feeOn-time71%
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