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$103+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — DEN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. 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 2/135:33 pm
IDA
-
DEN
Nonstop1h 52m
United Airlines
Mon 2/168:00 am
DEN
-
IDA
Nonstop1h 48m
United Airlines
Deal found 1/19$189
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/175:33 pm
IDA
-
DEN
Nonstop1h 52m
United Airlines
Sun 2/228:00 am
DEN
-
IDA
Nonstop1h 48m
United Airlines
Deal found 1/21$203
This United Airlines deal was found by Cheapflights users on 1/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/44:19 pm
IDA
-
DEN
Nonstop1h 56m
United Airlines
Wed 2/1111:45 am
DEN
-
IDA
Nonstop1h 45m
United Airlines
Deal found 1/20$204
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/32:40 pm
IDA
-
DEN
Nonstop1h 51m
United Airlines
Sat 2/78:00 am
DEN
-
IDA
Nonstop1h 56m
United Airlines
Deal found 1/19$219
This United Airlines deal was found by Cheapflights users on 1/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/192:40 pm
IDA
-
DEN
Nonstop1h 49m
United Airlines
Sun 2/228:00 am
DEN
-
IDA
Nonstop1h 48m
United Airlines
Deal found 1/20$221
This Delta deal was found by Cheapflights users on 1/20. 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.
Wed 2/45:25 am
IDA
-
DEN
1 stop4h 13m
Delta
Wed 2/114:10 pm
DEN
-
IDA
1 stop6h 47m
Delta
Deal found 1/20$224
This United Airlines deal was found by Cheapflights users on 1/19. 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 6/195:57 pm
IDA
-
DEN
Nonstop1h 43m
United Airlines
Sun 6/217:45 am
DEN
-
IDA
Nonstop1h 43m
United Airlines
Deal found 1/19$240
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Fri 5/15:26 pm
IDA
-
DEN
Nonstop1h 55m
United Airlines
Sun 5/38:10 am
DEN
-
IDA
Nonstop1h 45m
United Airlines
Deal found 1/18$242
This United Airlines deal was found by Cheapflights users on 1/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:20 pm
IDA
-
DEN
Nonstop1h 50m
United Airlines
Sun 4/128:10 am
DEN
-
IDA
Nonstop1h 43m
United Airlines
Deal found 1/20$244
This United Airlines deal was found by Cheapflights users on 1/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:30 pm
IDA
-
DEN
Nonstop1h 52m
United Airlines
Sun 3/228:10 am
DEN
-
IDA
Nonstop1h 46m
United Airlines
Deal found 1/20$249
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 2/2710:29 pm
IDA
-
DEN
2 stops22h 31m
Multiple Airlines
Mon 3/27:27 am
DEN
-
IDA
1 stop8h 03m
Multiple Airlines
Deal found 1/21$250
This Delta deal was found by Cheapflights users on 1/21. 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 1/306:35 pm
IDA
-
COS
1 stop3h 48m
Delta
Sun 2/112:03 pm
COS
-
IDA
1 stop5h 48m
Delta
Deal found 1/21$429

Find 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$103
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$249

Good round-trip deal

$325 or less

Good one-way deal

$255 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. 12% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
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

Fri 3/20

2:35 pm-4:25 pm

Nonstop1h 50m

Denver Intl

Tue 3/24

8:10 am-9:56 am

Nonstop1h 46m

$189

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Tue 2/17

5:33 pm-7:25 pm

Nonstop1h 52m

Denver Intl

Sun 2/22

8:00 am-9:48 am

Nonstop1h 48m

$203

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Wed 2/4

4:19 pm-6:15 pm

Nonstop1h 56m

Denver Intl

Wed 2/11

11:45 am-1:30 pm

Nonstop1h 45m

$204

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Thu 2/19

2:40 pm-4:29 pm

Nonstop1h 49m

Denver Intl

Sun 2/22

8:00 am-9:48 am

Nonstop1h 48m

$221

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Mon 4/20

2:30 pm-4:17 pm

Nonstop1h 47m

Denver Intl

Mon 4/27

8:10 am-9:53 am

Nonstop1h 43m

$221

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 5/29

5:57 pm-7:40 pm

Nonstop1h 43m

Denver Intl

Mon 6/1

9:05 pm-10:53 pm

Nonstop1h 48m

$221

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 2/6

6:35 pm-10:36 pm

1 stop4h 01m

Denver Intl

Tue 2/10

4:10 pm-10:57 pm

1 stop6h 47m

$224

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Thu 6/18

2:35 pm-4:23 pm

Nonstop1h 48m

Denver Intl

Sun 6/21

7:45 am-9:28 am

Nonstop1h 43m

$242

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Wed 4/8

5:20 pm-7:10 pm

Nonstop1h 50m

Denver Intl

Sun 4/12

8:10 am-9:53 am

Nonstop1h 43m

$244

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Tue 2/17

5:33 pm-7:25 pm

Nonstop1h 52m

Denver Intl

Tue 2/24

11:45 am-1:30 pm

Nonstop1h 45m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 25 results
1
2
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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 $195). 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 January 21, 2026.

It’s optimal to fly from Idaho Falls to Colorado in the evening. By choosing this option you can save up to 34% 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 January 21, 2026.

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 (5 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 January 21, 2026.
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
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,089 reviews
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,191 reviews
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
705 reviews
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 50m. The time it takes to get you to your destination can typically vary by up to 1h 49m. 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 United Airlines (85%), SkyWest Airlines (84%) or Copa Airlines (80%) 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 $426, our data indicates the cheapest price to be $168. 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 $195). 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$43Average$84FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$189Average$359FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$268FlexibilityNo cancel feeOn-timeN/A

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