HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$77+ Cheap flights from Colorado to Idaho Falls (IDA)

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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IDA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$84
(Booking.com)

One-way from

$77
(Mytrip)

Popular in

December

Cheapest in

June

Average price

$95

Good round-trip deal

$91 or less

Good one-way deal

$42 or less
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. 21% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/33:20 pmDEN - IDA
Nonstop1h 44mAllegiant Air
Sun 7/65:49 pmIDA - DEN
Nonstop1h 48mAllegiant Air
Deal found 6/12$166
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/89:05 pmDEN - IDA
Nonstop1h 46mUnited Airlines
Tue 7/156:03 pmIDA - DEN
Nonstop1h 42mUnited Airlines
Deal found 6/10$189
This Delta deal was found by Cheapflights users on 6/9. 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.
Wed 7/97:10 amDEN - IDA
1 stop3h 24mDelta
Wed 7/166:52 pmIDA - DEN
1 stop3h 19mDelta
Deal found 6/9$209
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:55 pmCOS - IDA
1 stop4h 34mDelta
Sat 8/911:20 amIDA - COS
1 stop4h 34mDelta
Deal found 6/12$249
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/176:00 amDEN - IDA
2 stops36h 33mMultiple Airlines
Sun 7/205:49 pmIDA - DEN
Nonstop1h 48mMultiple Airlines
Deal found 6/10$253
This United Airlines deal was found by Cheapflights users on 6/11. 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 6/265:30 amCOS - IDA
1 stop4h 14mUnited Airlines
Mon 6/304:13 pmIDA - COS
1 stop5h 42mUnited Airlines
Deal found 6/11$369
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:40 amDEN - IDA
2 stops27h 43mAlaska Airlines
Sun 9/76:13 amIDA - DEN
1 stop5h 57mAlaska Airlines
Deal found 6/10$408
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 7/211:30 pmDRO - IDA
1 stop3h 52mUnited Airlines
Fri 7/256:03 pmIDA - DRO
1 stop4h 12mUnited Airlines
Deal found 6/11$417
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/305:01 amDEN - IDA
1 stop8h 20mAmerican Airlines
Thu 7/37:00 amIDA - DEN
1 stop6h 55mAmerican Airlines
Deal found 6/11$554

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 June 12, 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

Thu 7/17

3:20 pm-5:04 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Thu 7/24

5:49 pm-7:37 pm

Nonstop1h 48m

$88

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 7/8

9:05 pm-10:51 pm

Nonstop1h 46m

Idaho Falls Fanning Field

Tue 7/15

6:03 pm-7:45 pm

Nonstop1h 42m

$189

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 7/9

7:10 am-10:34 am

1 stop3h 24m

Idaho Falls Fanning Field

Wed 7/16

6:52 pm-10:11 pm

1 stop3h 19m

$209

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Thu 8/7

5:55 pm-10:29 pm

1 stop4h 34m

Idaho Falls Fanning Field

Sat 8/9

11:20 am-3:54 pm

1 stop4h 34m

$249

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 7/17

6:00 am-6:33 pm

2 stops36h 33m

Idaho Falls Fanning Field

Sun 7/20

5:49 pm-7:37 pm

Nonstop1h 48m

$253

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Thu 6/26

5:30 am-9:44 am

1 stop4h 14m

Idaho Falls Fanning Field

Mon 6/30

4:13 pm-9:55 pm

1 stop5h 42m

$369

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 9/5

11:40 am-3:23 pm

2 stops27h 43m

Idaho Falls Fanning Field

Sun 9/7

6:13 am-12:10 pm

1 stop5h 57m

$408

DurangoIdaho Falls

DRO - IDA

DROIDA

Durango La Plata County

Mon 7/21

1:30 pm-5:22 pm

1 stop3h 52m

Idaho Falls Fanning Field

Fri 7/25

6:03 pm-10:15 pm

1 stop4h 12m

$417

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 6/30

5:01 am-1:21 pm

1 stop8h 20m

Idaho Falls Fanning Field

Thu 7/3

7:00 am-1:55 pm

1 stop6h 55m

$554

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sun 8/31

4:46 pm-11:46 am

2 stops19h 00m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 17 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 December is currently the most expensive (average of $578). 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 June 12, 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 June 12, 2025.

The most flights from USCO to IDA are scheduled on a Thursday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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 June 12, 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
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    $77 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $181 and $214, respectively.

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

    Most travelers choose Denver Intl - Idaho Falls Fanning Field, Colorado Springs - Idaho Falls Fanning Field or Durango La Plata County - 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 Allegiant Air (75%), SkyWest Airlines (68%) or United Airlines (68%) 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 $42. While the most popular route (Denver Intl - Idaho Falls Fanning Field) can be booked for $84 on average our data indicates $164 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 December is currently the most expensive (average of $578). 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
O'Hare Intl to Jackson flights
John F Kennedy Intl to Jackson flights
Los Angeles to Boise flights
Seattle to Boise flights
LaGuardia to Jackson flights
Los Angeles to Spokane flights
Dallas/Fort Worth to Spokane flights
Sky Harbor Intl to Spokane flights
O'Hare Intl to Spokane flights
Los Angeles to Jackson flights
Burbank to Boise flights
San Francisco to Boise flights
Denver to Spokane flights
Dallas/Fort Worth to Boise flights
Denver to Boise flights
San Francisco to Jackson flights
Dulles Intl to Jackson flights
Atlanta to Jackson flights
O'Hare Intl to Boise flights
Boston to Jackson flights
San Francisco to Spokane flights
Seattle to Jackson flights
Seattle to Spokane flights
Charlotte to Jackson flights
Reagan-National to Jackson flights
San Diego to Boise flights
Santa Ana to Boise flights
Minneapolis to Spokane flights
Atlanta to Spokane flights
Baltimore to Jackson flights
Salt Lake City to Spokane flights
John F Kennedy Intl to Boise flights
Portland to Spokane flights
Minneapolis to Boise flights
San Diego to Spokane flights
Dallas/Fort Worth to Jackson flights
Newark to Spokane flights
John F Kennedy Intl to Spokane flights
Newark to Boise flights
San Jose to Boise flights
Boston to Boise flights
Dulles Intl to Spokane flights
Portland to Boise flights
Philadelphia to Boise flights
Atlanta to Boise flights
Sky Harbor Intl to Boise flights
LaGuardia to Boise flights
Sacramento to Boise flights
Reagan-National 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$42Average$89FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$239Average$362FlexibilityNo 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.