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$124+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — DEN
août 23 — août 301
sam. 8/23
sam. 8/30
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 août 18, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$124
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$239

Good round-trip deal

$416 or less

Good one-way deal

$243 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 August 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 août 18, 2025.

This Booking.com deal was found by Cheapflights users on 8/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/215:51 pmIDA - DEN
Nonstop1h 48mAllegiant Air
dim. 8/313:24 pmDEN - IDA
Nonstop1h 42mAllegiant Air
Deal found 8/17$128
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/204:00 pmIDA - DEN
Nonstop1h 46mUnited Airlines
dim. 9/211:45 pmDEN - IDA
Nonstop1h 44mUnited Airlines
Deal found 8/18$189
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/65:00 amIDA - DEN
Nonstop1h 55mUnited Airlines
sam. 9/131:30 pmDEN - IDA
Nonstop1h 41mUnited Airlines
Deal found 8/18$194
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
dim. 8/315:51 pmIDA - DEN
Nonstop1h 48mMultiple Airlines
jeu. 9/46:22 pmDEN - IDA
2 stops21h 43mMultiple Airlines
Deal found 8/16$196
This Delta deal was found by Cheapflights users on 8/17. 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.
mer. 10/156:00 amIDA - DEN
1 stop5h 47mDelta
mar. 10/217:00 amDEN - IDA
1 stop5h 33mDelta
Deal found 8/17$209
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/26:00 amIDA - DEN
1 stop3h 14mDelta
sam. 9/67:20 amDEN - IDA
1 stop3h 19mDelta
Deal found 8/18$219
This Delta deal was found by Cheapflights users on 8/17. 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.
mar. 10/146:00 amIDA - DEN
1 stop3h 29mDelta
mar. 10/217:00 amDEN - IDA
1 stop5h 33mDelta
Deal found 8/17$239
This United Airlines deal was found by Cheapflights users on 8/17. 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.
ven. 10/35:56 pmIDA - DEN
Nonstop1h 44mUnited Airlines
lun. 10/68:00 amDEN - IDA
Nonstop1h 48mUnited Airlines
Deal found 8/17$249
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/67:00 amIDA - COS
1 stop3h 54mUnited Airlines
sam. 9/139:30 amCOS - IDA
1 stop5h 41mUnited Airlines
Deal found 8/18$254
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
ven. 8/2210:50 pmIDA - DEN
2 stops29h 29mMultiple Airlines
jeu. 8/283:24 pmDEN - IDA
Nonstop1h 42mMultiple Airlines
Deal found 8/17$254
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/25:00 amIDA - DEN
Nonstop1h 55mUnited Airlines
sam. 9/61:30 pmDEN - IDA
Nonstop1h 41mUnited Airlines
Deal found 8/18$259
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/206:51 pmIDA - COS
1 stop3h 20mDelta
sam. 9/275:55 pmCOS - IDA
1 stop4h 30mDelta
Deal found 8/18$279

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 août 18, 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

sam. 9/20

4:00 pm-5:46 pm

Nonstop1h 46m

Denver Intl

dim. 9/21

1:45 pm-3:29 pm

Nonstop1h 44m

$189

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

mer. 12/10

4:19 pm-6:09 pm

Nonstop1h 50m

Denver Intl

lun. 12/15

8:00 am-9:47 am

Nonstop1h 47m

$189

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

mar. 10/7

5:00 am-6:56 am

Nonstop1h 56m

Denver Intl

mar. 10/21

8:00 am-9:48 am

Nonstop1h 48m

$194

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

sam. 9/6

5:00 am-6:55 am

Nonstop1h 55m

Denver Intl

sam. 9/13

1:30 pm-3:11 pm

Nonstop1h 41m

$194

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

dim. 8/31

5:51 pm-7:39 pm

Nonstop1h 48m

Denver Intl

jeu. 9/4

6:22 pm-4:05 pm

2 stops21h 43m

$196

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

mar. 10/7

6:53 pm-10:25 pm

1 stop3h 32m

Denver Intl

mar. 10/21

6:23 pm-10:15 pm

1 stop3h 52m

$209

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

mer. 10/15

6:00 am-11:47 am

1 stop5h 47m

Denver Intl

mar. 10/21

7:00 am-12:33 pm

1 stop5h 33m

$209

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

mer. 10/15

6:00 am-11:47 am

1 stop5h 47m

Denver Intl

sam. 10/18

6:23 pm-10:30 pm

1 stop4h 07m

$209

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

ven. 10/3

6:51 pm-10:44 pm

1 stop3h 53m

Denver Intl

mar. 10/7

6:23 pm-10:15 pm

1 stop3h 52m

$209

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

mar. 9/2

6:00 am-9:14 am

1 stop3h 14m

Denver Intl

sam. 9/6

7:20 am-10:39 am

1 stop3h 19m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 29 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, 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 août 18, 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.

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 août 18, 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
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
701 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

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 29 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 46m. The time it takes to get you to your destination can typically vary by up to 1h 34m. 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 (62%), United Airlines (62%) or Copa Airlines (45%) 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 $1,112, our data indicates the cheapest price to be $71. The most popular route (Idaho Falls Fanning Field - Denver Intl), is priced around $128.

  • 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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Alternative routes for Idaho Falls to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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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 août 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$54Average$88FlexibilityNo cancel feeOn-time88%
DeltaCheapest$208Average$273FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$213Average$374FlexibilityNo cancel feeOn-time69%

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