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$175+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — DEN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$175
(Delta)

Popular in

March

Cheapest in

July

Average price

$345

Good round-trip deal

$380 or less

Good one-way deal

$245 or less
From Idaho Falls Fanning Field to Colorado
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One-way flight from Idaho Falls Fanning Field to Colorado
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Highest demand for flights based on searches. 14% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Idaho Falls Fanning Field to Colorado.
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Price to beat on a one-way flight from Idaho Falls Fanning Field to Colorado.
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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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 10/15:56 pmIDA - DEN
Nonstop1h 44mUnited Airlines
Tue 10/78:00 amDEN - IDA
Nonstop1h 48mUnited Airlines
Deal found 9/10$189
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/12:35 pmIDA - DEN
Nonstop1h 48mUnited Airlines
Fri 10/108:00 amDEN - IDA
Nonstop1h 48mUnited Airlines
Deal found 9/11$194
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/75:00 amIDA - DEN
Nonstop1h 56mUnited Airlines
Tue 10/148:00 amDEN - IDA
Nonstop1h 48mUnited Airlines
Deal found 9/10$219
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/194:15 pmIDA - DEN
Nonstop1h 48mUnited Airlines
Thu 9/258:00 amDEN - IDA
Nonstop1h 48mUnited Airlines
Deal found 9/11$224
This Kiwi.com deal was found by Cheapflights users on 9/9. 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
1 stop12h 14mMultiple Airlines
Sun 11/1610:29 pmDEN - IDA
1 stop14h 38mMultiple Airlines
Deal found 9/9$234
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/1010:57 pmIDA - DEN
1 stop12h 13mMultiple Airlines
Mon 10/137:00 amDEN - IDA
1 stop5h 49mMultiple Airlines
Deal found 9/11$236
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:56 pmIDA - DEN
Nonstop1h 44mUnited Airlines
Mon 10/68:00 amDEN - IDA
Nonstop1h 48mUnited Airlines
Deal found 9/11$246
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/305:00 amIDA - COS
1 stop3h 41mUnited Airlines
Sat 11/16:00 amCOS - IDA
1 stop3h 48mUnited Airlines
Deal found 9/11$249
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/195:56 pmIDA - DEN
Nonstop1h 44mUnited Airlines
Sun 9/218:00 amDEN - IDA
Nonstop1h 47mUnited Airlines
Deal found 9/11$249
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/105:00 amIDA - DEN
Nonstop1h 56mUnited Airlines
Mon 10/137:07 pmDEN - IDA
Nonstop1h 45mUnited Airlines
Deal found 9/11$254
This Delta deal was found by Cheapflights users on 9/9. 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 10/36:00 amIDA - DEN
1 stop3h 18mDelta
Tue 10/73:41 pmDEN - IDA
1 stop6h 34mDelta
Deal found 9/9$259
This eDestinos deal was found by Cheapflights users on 9/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:57 pmIDA - DEN
1 stop11h 43mMultiple Airlines
Sun 10/57:17 pmDEN - IDA
1 stop17h 32mMultiple Airlines
Deal found 9/9$260

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 September 11, 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

Sat 10/11

7:00 am-8:51 am

Nonstop1h 51m

Denver Intl

Sun 10/12

8:00 am-9:48 am

Nonstop1h 48m

$189

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 10/3

5:56 pm-7:40 pm

Nonstop1h 44m

Denver Intl

Tue 10/7

8:00 am-9:48 am

Nonstop1h 48m

$189

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Tue 10/7

5:00 am-6:56 am

Nonstop1h 56m

Denver Intl

Tue 10/14

8:00 am-9:48 am

Nonstop1h 48m

$219

Idaho FallsColorado Springs

IDA - COS

IDACOS

Idaho Falls Fanning Field

Thu 10/30

5:00 am-8:41 am

1 stop3h 41m

Colorado Springs

Sat 11/1

6:00 am-9:48 am

1 stop3h 48m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 9/19

5:56 pm-7:40 pm

Nonstop1h 44m

Denver Intl

Wed 9/24

8:00 am-9:47 am

Nonstop1h 47m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 10/3

5:56 pm-7:40 pm

Nonstop1h 44m

Denver Intl

Sun 10/5

3:35 pm-5:15 pm

Nonstop1h 40m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 9/19

5:56 pm-7:40 pm

Nonstop1h 44m

Denver Intl

Sun 9/21

8:00 am-9:47 am

Nonstop1h 47m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 11/14

4:15 pm-6:05 pm

Nonstop1h 50m

Denver Intl

Mon 11/17

9:05 pm-10:52 pm

Nonstop1h 47m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sat 9/20

4:00 pm-5:46 pm

Nonstop1h 46m

Denver Intl

Mon 9/22

7:10 pm-8:54 pm

Nonstop1h 44m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sat 11/15

8:30 am-10:18 am

Nonstop1h 48m

Denver Intl

Sun 11/16

8:01 am-9:48 am

Nonstop1h 47m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 24 results
1
2
3

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, October is the cheapest month in which you can book a flight from Idaho Falls to Colorado (average of $197). Flying from Idaho Falls to Colorado in March is currently the most expensive (average of $278). 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 September 11, 2025.

When flying from Idaho Falls to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 11, 2025.

The most flights from IDA to USCO are scheduled on a Monday (7 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 September 11, 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
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
702 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 28 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 1h 54m. 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 (58%), United Airlines (58%) or Allegiant Air (44%) 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 $398, our data indicates the cheapest price to be $112. 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, October is the cheapest month in which you can book a flight from Idaho Falls to Colorado (average of $197). Flying from Idaho Falls to Colorado in March is currently the most expensive (average of $278). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$54Average$88FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$199Average$379FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$273FlexibilityNo cancel feeOn-timeN/A

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