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Idaho Falls

$97+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IDA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$97
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$313

Good round-trip deal

$249 or less

Good one-way deal

$153 or less
Provider with most accurate pricing for Denver Intl-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Idaho Falls Fanning Field flights.
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From Colorado to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 14% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Colorado to Idaho Falls Fanning Field.
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Price to beat on a one-way flight from Colorado to Idaho Falls Fanning Field.
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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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 6/193:20 pmDEN - IDA
Nonstop1h 44mAllegiant Air
Sun 6/225:49 pmIDA - DEN
Nonstop1h 48mAllegiant Air
Deal found 3/27$97
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Thu 5/223:24 pmDEN - IDA
Nonstop1h 42mMultiple Airlines
Sun 5/256:00 amIDA - DEN
1 stop6h 00mMultiple Airlines
Deal found 3/27$262
This United Airlines deal was found by Cheapflights users on 3/26. 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 6/108:00 amDEN - IDA
Nonstop1h 44mUnited Airlines
Thu 6/125:58 pmIDA - DEN
Nonstop1h 42mUnited Airlines
Deal found 3/26$305
This Delta deal was found by Cheapflights users on 3/26. 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 6/96:25 pmDEN - IDA
1 stop3h 35mDelta
Mon 6/166:55 pmIDA - DEN
1 stop3h 21mDelta
Deal found 3/26$325
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 4/232:39 pmDEN - IDA
1 stop7h 57mAlaska Airlines
Wed 4/306:00 amIDA - DEN
2 stops15h 15mAlaska Airlines
Deal found 3/26$348
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/126:00 amCOS - IDA
1 stop3h 32mUnited Airlines
Fri 5/164:22 pmIDA - COS
1 stop5h 14mUnited Airlines
Deal found 3/27$454
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 4/112:35 pmDEN - IDA
1 stop7h 35mAmerican Airlines
Thu 4/177:43 amIDA - DEN
1 stop7h 39mAmerican Airlines
Deal found 3/27$467

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 March 28, 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 6/19

3:20 pm-5:04 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Sun 6/22

5:49 pm-7:37 pm

Nonstop1h 48m

$97

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 5/22

3:24 pm-5:06 pm

Nonstop1h 42m

Idaho Falls Fanning Field

Sun 5/25

6:00 am-12:00 pm

1 stop6h 00m

$262

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 6/10

8:00 am-9:44 am

Nonstop1h 44m

Idaho Falls Fanning Field

Thu 6/12

5:58 pm-7:40 pm

Nonstop1h 42m

$305

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 6/9

6:25 pm-10:00 pm

1 stop3h 35m

Idaho Falls Fanning Field

Mon 6/16

6:55 pm-10:16 pm

1 stop3h 21m

$325

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 4/23

2:39 pm-10:36 pm

1 stop7h 57m

Idaho Falls Fanning Field

Wed 4/30

6:00 am-9:15 pm

2 stops15h 15m

$348

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Mon 5/12

6:00 am-9:32 am

1 stop3h 32m

Idaho Falls Fanning Field

Fri 5/16

4:22 pm-9:36 pm

1 stop5h 14m

$454

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 4/11

2:35 pm-10:10 pm

1 stop7h 35m

Idaho Falls Fanning Field

Thu 4/17

7:43 am-3:22 pm

1 stop7h 39m

$467

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 4/16

11:45 am-1:28 pm

Nonstop1h 43m

$153

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 4/16

6:05 pm-10:56 pm

1 stop4h 51m

$163

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 4/15

2:53 pm-10:35 pm

2 stops31h 42m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 13 results
1
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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 March 28, 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.

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 March 28, 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
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Allegiant Air
7.3
Good
731 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    $153 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 Delta and Alaska Airlines, with prices starting from $163 and $212, 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 SkyWest Airlines (75%), United Airlines (75%) or Copa Airlines (72%) 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 $149. While the most popular route (Denver Intl - Idaho Falls Fanning Field) can be booked for $84 on average our data indicates $255 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

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Top airline flying from Colorado to Idaho Falls

Discover the top airline 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$249Average$399FlexibilityNo cancel feeOn-time69%
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