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$129+ Cheap flights from Idaho Falls (IDA) to Colorado

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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — DEN
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
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Find flight deals from Idaho Falls to Colorado

Cheapest flights from Idaho Falls to Colorado
Explore the most affordable flight options available from Idaho Falls to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This United Airlines deal was found by Cheapflights users on 10/12. 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.
Tue 10/287:00 amIDA - DEN
Nonstop1h 57mUnited Airlines
Sat 11/14:00 pmDEN - IDA
Nonstop1h 46mUnited Airlines
Deal found 10/12$199
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/242:30 pmIDA - DEN
Nonstop1h 51mUnited Airlines
Wed 12/318:00 amDEN - IDA
Nonstop1h 56mUnited Airlines
Deal found 10/13$219
This Kiwi.com deal was found by Cheapflights users on 10/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:40 pmIDA - DEN
1 stop8h 19mMultiple Airlines
Fri 10/319:48 amDEN - IDA
1 stop12h 24mMultiple Airlines
Deal found 10/11$221
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/118:30 amIDA - DEN
Nonstop1h 48mUnited Airlines
Wed 11/128:01 amDEN - IDA
Nonstop1h 47mUnited Airlines
Deal found 10/13$257
This United Airlines deal was found by Cheapflights users on 10/13. 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 10/2810:50 amIDA - COS
1 stop3h 39mUnited Airlines
Sat 11/111:35 amCOS - IDA
1 stop6h 11mUnited Airlines
Deal found 10/13$259
This United Airlines deal was found by Cheapflights users on 10/11. 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 10/3110:50 amIDA - DEN
Nonstop1h 46mUnited Airlines
Sun 11/28:01 amDEN - IDA
Nonstop1h 47mUnited Airlines
Deal found 10/11$259
This Kiwi.com deal was found by Cheapflights users on 10/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:56 pmIDA - DEN
2 stops22h 53mMultiple Airlines
Mon 11/177:00 amDEN - IDA
1 stop6h 07mMultiple Airlines
Deal found 10/11$263
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/142:45 pmIDA - DEN
Nonstop1h 50mUnited Airlines
Mon 11/179:05 pmDEN - IDA
Nonstop1h 47mUnited Airlines
Deal found 10/11$264
This Kiwi.com deal was found by Cheapflights users on 10/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:13 pmIDA - DEN
1 stop13h 47mMultiple Airlines
Sun 11/210:29 pmDEN - IDA
1 stop15h 32mMultiple Airlines
Deal found 10/11$269
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/118:30 amIDA - DEN
Nonstop1h 48mUnited Airlines
Tue 11/187:15 pmDEN - IDA
Nonstop1h 48mUnited Airlines
Deal found 10/13$279
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:52 pmIDA - DEN
2 stops26h 10mMultiple Airlines
Mon 11/107:00 amDEN - IDA
1 stop6h 07mMultiple Airlines
Deal found 10/13$286
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/235:00 amIDA - DEN
Nonstop2h 01mUnited Airlines
Sun 12/2811:45 amDEN - IDA
Nonstop1h 45mUnited Airlines
Deal found 10/13$289

Cheap flight deals from Idaho Falls to Colorado

Keep the following information in mind while searching for Idaho Falls to Colorado flight deals. Data was last updated October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$129
(United Airlines)

Popular in

March

Cheapest in

July

Average price

$259

Good round-trip deal

$368 or less

Good one-way deal

$274 or less
Provider with most accurate pricing for Idaho Falls Fanning Field-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Denver Intl flights.
Search Deals
From Idaho Falls Fanning Field to Colorado
Search Deals
One-way flight from Idaho Falls Fanning Field to Colorado
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Idaho Falls Fanning Field to Colorado.
Search Deals
Price to beat on a one-way flight from Idaho Falls Fanning Field to Colorado.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Colorado 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 October 13, 2025.
Use the filters below to find and compare flights from Idaho Falls to Colorado that are best for you.

Fly from

Idaho Falls

Fly to

Colorado

Route

Depart

Return

Price

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Thu 1/8

2:40 pm-4:31 pm

Nonstop1h 51m

Denver Intl

Sun 1/11

11:45 am-1:30 pm

Nonstop1h 45m

$189

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sat 3/21

2:35 pm-4:23 pm

Nonstop1h 48m

Denver Intl

Sat 3/28

11:50 am-1:34 pm

Nonstop1h 44m

$189

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Tue 10/28

7:00 am-8:57 am

Nonstop1h 57m

Denver Intl

Sat 11/1

4:00 pm-5:46 pm

Nonstop1h 46m

$199

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Wed 2/4

2:40 pm-4:31 pm

Nonstop1h 51m

Denver Intl

Fri 2/13

7:45 am-9:28 am

Nonstop1h 43m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Thu 3/19

2:35 pm-4:23 pm

Nonstop1h 48m

Denver Intl

Wed 3/25

11:50 am-1:34 pm

Nonstop1h 44m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sat 3/21

2:35 pm-4:23 pm

Nonstop1h 48m

Denver Intl

Fri 3/27

7:45 am-9:28 am

Nonstop1h 43m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 3/20

2:35 pm-4:23 pm

Nonstop1h 48m

Denver Intl

Mon 3/30

7:45 am-9:28 am

Nonstop1h 43m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Thu 3/19

2:35 pm-4:23 pm

Nonstop1h 48m

Denver Intl

Fri 3/27

7:45 am-9:28 am

Nonstop1h 43m

$249

Idaho FallsColorado Springs

IDA - COS

IDACOS

Idaho Falls Fanning Field

Tue 10/28

10:50 am-2:29 pm

1 stop3h 39m

Colorado Springs

Sat 11/1

11:35 am-5:46 pm

1 stop6h 11m

$259

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sat 11/8

8:30 am-10:18 am

Nonstop1h 48m

Denver Intl

Tue 11/11

8:01 am-9:48 am

Nonstop1h 47m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 26 results
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Best time to book a flight from Idaho Falls to Colorado

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

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

Currently, July is the cheapest month in which you can book a flight from Idaho Falls to Colorado (average of $73). Flying from Idaho Falls to Colorado in March is currently the most expensive (average of $289). 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 IDA to CO?

Find hourly flight availability from Idaho Falls to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 13, 2025.

It’s optimal to fly from Idaho Falls to Colorado in the evening. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Idaho Falls to Colorado

Explore weekly flight availability from Idaho Falls to Colorado. 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 October 13, 2025.

The most flights from IDA to USCO are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated October 13, 2025.
See what other customers who have flown with Delta, United Airlines, and Allegiant Air from Idaho Falls to Colorado have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,972 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,972 reviews
Delta
8.0
Very good
7,972 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,975 reviews
Delta
8.0
Very good
7,972 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Allegiant Air
7.2
Good
693 reviews
Delta
8.0
Very good
7,972 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

    Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to Colorado from Idaho Falls.

  • How popular is this Idaho Falls to Colorado flight route?

    The Idaho Falls Fanning Field to Colorado flight path was viewed by 37 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Idaho Falls to Colorado?

    Airlines like United Airlines and Delta fly from Idaho Falls to Colorado in about 1h 51m. The time it takes to get you to your destination can typically vary by up to 3h 53m. There are 457 mi between Idaho Falls and Colorado. This flight may include one or multiple stops.

  • What are the most reliable airlines from Idaho Falls to Colorado?

    Consider SkyWest Airlines (74%), United Airlines (74%) or Allegiant Air (67%) when booking your flight. These represent the most reliable airlines when flying from Idaho Falls to Colorado.

  • What are the cheapest flights from Idaho Falls to Colorado?

    Looking for the cheapest flight from Idaho Falls to Colorado? While on average our users pay $420, our data indicates the cheapest price to be $185. The most popular route (Idaho Falls Fanning Field - Denver Intl), is priced around $189.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Idaho Falls to Colorado (average of $73). Flying from Idaho Falls to Colorado in March is currently the most expensive (average of $289). 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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Top 3 airlines flying from Idaho Falls to Colorado

Discover the top 3 airlines that operate flights from Idaho Falls to Colorado. 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 October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$54Average$88FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$189Average$369FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$273FlexibilityNo cancel feeOn-timeN/A

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