$44+ 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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOI
Feb 25 — Mar 41
1 adult, Economy
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Find cheap flights from Colorado to Idaho 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
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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 to Idaho
Keep the following information in mind while searching for Colorado to Idaho flight deals. Data was last updated February 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $148 (Kiwi.com) |
One-way from | $44 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $331 |
Good round-trip deal | $227 or less |
Good one-way deal | $138 or less |
Find flight deals from Colorado to Idaho
Cheapest flights from Colorado to IdahoExplore 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 February 20, 2025.
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 February 20, 2025.
This Frontier deal was found by Cheapflights users on 2/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:48 amDEN - GEG
Nonstop2h 21mFrontier
Sun 8/1711:54 amGEG - DEN
Nonstop2h 21mFrontier
Deal found 2/20![Frontier logo]()
$153
This Frontier deal was found by Cheapflights users on 2/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/159:50 amDEN - BOI
Nonstop1h 57mFrontier
Sun 5/1812:36 pmBOI - DEN
Nonstop1h 58mFrontier
Deal found 2/19![Frontier logo]()
$163
This Hawaiian Airlines deal was found by Cheapflights users on 2/18. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:37 pmDEN - BOI
1 stop5h 22mHawaiian Airlines
Wed 4/236:03 amBOI - DEN
1 stop5h 18mHawaiian Airlines
Deal found 2/18![Hawaiian Airlines logo]()
$196
This Southwest deal was found by Cheapflights users on 2/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/78:30 amDEN - BOI
Nonstop2h 00mSouthwest
Mon 4/145:05 amBOI - DEN
Nonstop1h 55mSouthwest
Deal found 2/19![Southwest logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 4/18:55 pmDEN - BOI
Nonstop2h 08mUnited Airlines
Tue 4/85:25 pmBOI - DEN
Nonstop1h 59mUnited Airlines
Deal found 2/19![United Airlines logo]()
$198
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/37:05 pmDEN - BOI
1 stop4h 54mMultiple Airlines
Tue 6/1012:36 pmBOI - DEN
Nonstop1h 58mMultiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$202
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 4/42:53 pmDEN - BOI
1 stop9h 06mAlaska Airlines
Mon 4/76:00 amBOI - DEN
1 stop7h 53mAlaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$206
This Delta deal was found by Cheapflights users on 2/19. 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 3/195:45 amDEN - BOI
1 stop4h 30mDelta
Thu 3/205:59 pmBOI - DEN
1 stop4h 32mDelta
Deal found 2/19![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 4/197:00 amDEN - GEG
1 stop4h 51mAlaska Airlines
Wed 4/237:24 pmGEG - DEN
1 stop24h 51mAlaska Airlines
Deal found 2/20![Alaska Airlines logo]()
$275
This Southwest deal was found by Cheapflights users on 2/20. 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.
Wed 4/26:35 amCOS - BOI
1 stop4h 25mSouthwest
Sun 4/65:15 pmBOI - COS
1 stop7h 20mSouthwest
Deal found 2/20![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 2/19. 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 3/192:20 pmDEN - GEG
1 stop7h 45mDelta
Wed 3/265:15 amGEG - DEN
1 stop7h 14mDelta
Deal found 2/19![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 4/55:55 amGJT - GEG
1 stop4h 15mDelta
Sat 4/125:15 pmGEG - GJT
1 stop4h 16mDelta
Deal found 2/19![Delta logo]()
$289
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 2,558,603 searches. Data last updated February 20, 2025.
Fly from
Colorado
Fly to
Idaho
Route
Depart
Return
Price
DenverSpokane
DEN - GEG
DENGEG
Denver Intl
Thu 8/14
9:48 am-11:09 am
Nonstop2h 21m
Spokane
Sun 8/17
11:54 am-3:15 pm
Nonstop2h 21m
$153
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Thu 5/15
9:50 am-11:47 am
Nonstop1h 57m
Boise Air Term. Gowen Fld
Sun 5/18
12:36 pm-2:34 pm
Nonstop1h 58m
$163
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Tue 4/22
6:37 pm-11:59 pm
1 stop5h 22m
Boise Air Term. Gowen Fld
Wed 4/23
6:03 am-11:21 am
1 stop5h 18m
$196
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Mon 4/7
8:30 am-10:30 am
Nonstop2h 00m
Boise Air Term. Gowen Fld
Mon 4/14
5:05 am-7:00 am
Nonstop1h 55m
$197
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Tue 4/1
8:55 pm-11:03 pm
Nonstop2h 08m
Boise Air Term. Gowen Fld
Tue 4/8
5:25 pm-7:24 pm
Nonstop1h 59m
$198
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Fri 4/4
2:53 pm-11:59 pm
1 stop9h 06m
Boise Air Term. Gowen Fld
Mon 4/7
6:00 am-1:53 pm
1 stop7h 53m
$206
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Wed 3/19
5:45 am-10:15 am
1 stop4h 30m
Boise Air Term. Gowen Fld
Thu 3/20
5:59 pm-10:31 pm
1 stop4h 32m
$217
DenverSpokane
DEN - GEG
DENGEG
Denver Intl
Sat 4/19
7:00 am-10:51 am
1 stop4h 51m
Spokane
Wed 4/23
7:24 pm-9:15 pm
1 stop24h 51m
$275
Colorado SpringsBoise
COS - BOI
COSBOI
Colorado Springs
Wed 4/2
6:35 am-11:00 am
1 stop4h 25m
Boise Air Term. Gowen Fld
Sun 4/6
5:15 pm-12:35 am
1 stop7h 20m
$277
DenverSpokane
DEN - GEG
DENGEG
Denver Intl
Wed 3/19
2:20 pm-9:05 pm
1 stop7h 45m
Spokane
Wed 3/26
5:15 am-1:29 pm
1 stop7h 14m
$283
Showing 1-10 of 60 results
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, October is the cheapest month in which you can book a flight from Colorado to Idaho (average of $314). 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 February 20, 2025.
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 February 20, 2025.
The most flights from USCO to USID are scheduled on a Monday (15 on average). You will have fewer flight options on Sunday, 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 February 20, 2025.
To help decide which airline to fly from Colorado to Idaho, see what other customers have to say about Southwest, Alaska Airlines and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Boarding
8.2
Comfort
8.1
Food
7.1
Overall
8.1
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Boarding
8.2
Comfort
8.1
Food
7.1
Overall
8.1
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Boarding
8.2
Comfort
8.1
Food
7.1
Overall
8.1
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Boarding
8.2
Comfort
8.1
Food
7.1
Overall
8.1
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Boarding
8.2
Comfort
8.1
Food
7.1
Overall
8.1
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Boarding
8.2
Comfort
8.1
Food
7.1
Overall
8.1
Entertainment
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
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.
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Alternative routes for Colorado to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
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 2,558,603 searches. Data last updated February 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$169 | Average$417 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$391 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$182 | Average$318 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$197 | Average$373 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$298 | Average$428 | FlexibilityNo cancel fee | On-time71% |