HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$209+ Cheap flights from Colorado to Idaho Falls (IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IDA
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Idaho Falls 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Falls

Keep the following information in mind while searching for Colorado to Idaho Falls flight deals. Data was last updated April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$239
(United Airlines)

One-way from

$214
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$299

Good round-trip deal

$213 or less

Good one-way deal

$213 or less
Provider with most accurate pricing for Denver Intl-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Idaho Falls Fanning Field flights.
Search Deals
From Colorado to Idaho Falls Fanning Field
Search Deals
One-way flight from Colorado to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Colorado to Idaho Falls Fanning Field.
Search Deals
Price to beat on a one-way flight from Colorado to Idaho Falls Fanning Field.
Search Deals

Find flight deals from Colorado to Idaho Falls

Cheapest flights from Colorado to Idaho Falls
Explore the most affordable flight options available from Colorado to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Delta deal was found by Cheapflights users on 4/24. 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.
Mon 9/15:40 amDEN - IDA
1 stop4h 53mDelta
Sat 9/63:05 pmIDA - DEN
1 stop4h 10mDelta
Deal found 4/24$209
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/151:40 pmDEN - IDA
Nonstop1h 45mUnited Airlines
Sun 5/1810:53 amIDA - DEN
Nonstop1h 45mUnited Airlines
Deal found 4/23$239
This American Airlines deal was found by Cheapflights users on 4/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/12:35 pmDEN - IDA
1 stop7h 35mAmerican Airlines
Sun 5/412:59 pmIDA - DEN
1 stop8h 59mAmerican Airlines
Deal found 4/24$309
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/85:15 amDRO - IDA
1 stop4h 17mUnited Airlines
Mon 5/122:40 pmIDA - DRO
1 stop5h 57mUnited Airlines
Deal found 4/23$328
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 6/32:58 pmDEN - IDA
1 stop7h 36mAlaska Airlines
Fri 6/64:20 pmIDA - DEN
2 stops25h 49mAlaska Airlines
Deal found 4/23$398
This United Airlines deal was found by Cheapflights users on 4/23. 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 4/257:30 amCOS - IDA
1 stop5h 58mUnited Airlines
Tue 4/292:20 pmIDA - COS
1 stop6h 23mUnited Airlines
Deal found 4/23$409
This United deal was found by Cheapflights users on 4/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/197:46 amDEN - IDA
Nonstop1h 46mMultiple Airlines
Thu 5/226:00 amIDA - DEN
1 stop18h 05mMultiple Airlines
Deal found 4/23$580

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to Idaho Falls 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 April 24, 2025.
Use the filters below to find and compare flights from Colorado to Idaho Falls that are best for you.

Fly from

Colorado

Fly to

Idaho Falls

Route

Depart

Return

Price

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 9/1

5:40 am-10:33 am

1 stop4h 53m

Idaho Falls Fanning Field

Sat 9/6

3:05 pm-7:15 pm

1 stop4h 10m

$209

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 5/15

1:40 pm-3:25 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Sun 5/18

10:53 am-12:38 pm

Nonstop1h 45m

$239

DurangoIdaho Falls

DRO - IDA

DROIDA

Durango La Plata County

Thu 5/8

5:15 am-9:32 am

1 stop4h 17m

Idaho Falls Fanning Field

Mon 5/12

2:40 pm-8:37 pm

1 stop5h 57m

$328

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 6/3

2:58 pm-10:34 pm

1 stop7h 36m

Idaho Falls Fanning Field

Fri 6/6

4:20 pm-6:09 pm

2 stops25h 49m

$398

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 5/19

7:46 am-9:32 am

Nonstop1h 46m

Idaho Falls Fanning Field

Thu 5/22

6:00 am-12:05 am

1 stop18h 05m

$580

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 6/3

9:05 pm-10:51 pm

Nonstop1h 46m

$214

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 6/3

5:49 pm-3:40 pm

1 stop21h 51m

$217

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Wed 5/28

8:00 am-11:50 am

1 stop3h 50m

$220

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 6/3

6:25 pm-10:51 pm

1 stop4h 26m

$224

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Fri 5/30

5:30 am-9:44 am

1 stop4h 14m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 11 results
1
2

Best time to book a flight from Colorado to Idaho Falls

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

Cheapflights Insights

Everything you need to know about your flight from Colorado to Idaho Falls

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

Currently, October is the cheapest month in which you can book a flight from Colorado to Idaho Falls (average of $380). Flying from Colorado to Idaho Falls in July is currently the most expensive (average of $628). 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 IDA?

Find hourly flight availability from Colorado to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

When flying from Colorado to Idaho Falls, 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 Colorado to Idaho Falls

Explore weekly flight availability from Colorado to Idaho Falls. 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 April 24, 2025.

The most flights from USCO to IDA are scheduled on a Monday (4 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Falls. Reviews last updated April 24, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Colorado to Idaho Falls to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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

    Idaho Falls Fanning Field (IDA) is the airport you will fly into if you book a flight from Colorado to Idaho Falls. It is only a 3.8 mi journey from Fanning Field (IDA) to Idaho Falls’s city center.

  • What are the cheapest airlines to fly from Colorado to Idaho Falls one-way?

    $214 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $217 and $220, respectively.

  • What are the most popular routes from Colorado to Idaho Falls?

    Most travelers choose Denver Intl - Idaho Falls Fanning Field, Durango La Plata County - Idaho Falls Fanning Field or Colorado Springs - Idaho Falls Fanning Field when deciding on the best route from Colorado to Idaho Falls.

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

    No one likes to see their flight delayed. When booking a flight from Colorado to Idaho Falls consider choosing SkyWest Airlines (78%), United Airlines (78%) or Copa Airlines (74%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $60. While the most popular route (Denver Intl - Idaho Falls Fanning Field) can be booked for $95 on average our data indicates $256 when flying from Colorado to Idaho Falls.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Colorado to Idaho Falls (average of $380). Flying from Colorado to Idaho Falls in July is currently the most expensive (average of $628). 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

Traveling to a place near Colorado?

Book flights to Colorado if you plan to visit one of these locations
Rexburg

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Jackson flights
John F Kennedy Intl to Jackson flights
O'Hare Intl to Jackson flights
LaGuardia to Jackson flights
Los Angeles to Boise flights
Seattle to Boise flights
Seattle to Spokane flights
Dallas/Fort Worth to Boise flights
Los Angeles to Spokane flights
Atlanta to Jackson flights
O'Hare Intl to Boise flights
Denver to Spokane flights
Dallas/Fort Worth to Spokane flights
Denver to Boise flights
Minneapolis to Spokane flights
Portland to Boise flights
San Francisco to Spokane flights
San Francisco to Boise flights
Santa Ana to Boise flights
O'Hare Intl to Spokane flights
Dulles Intl to Jackson flights
Sky Harbor Intl to Spokane flights
San Francisco to Jackson flights
Los Angeles to Jackson flights
Portland to Spokane flights
Ontario to Spokane flights
Philadelphia to Spokane flights
Charlotte to Jackson flights
San Diego to Boise flights
Baltimore to Jackson flights
Sky Harbor Intl to Boise flights
San Diego to Spokane flights
Burbank to Boise flights
Reagan-National to Jackson flights
Minneapolis to Boise flights
John F Kennedy Intl to Spokane flights
Boston to Jackson flights
Newark to Spokane flights
John F Kennedy Intl to Boise flights
Atlanta to Boise flights
Ontario to Boise flights
Sacramento to Boise flights
Spokane to Boise flights
San Jose to Spokane flights
Minneapolis to Jackson flights
Raleigh to Jackson flights
Newark to Boise flights
Seattle to Jackson flights
Sacramento to Spokane flights
LaGuardia to Spokane flights

Top 2 airlines flying from Colorado to Idaho Falls

Discover the top 2 airlines that operate flights from Colorado to Idaho Falls. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$18Average$84FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$249Average$392FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.