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Idaho Falls

$112+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IDA
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap 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 December 9, 2025.

This United Airlines deal was found by Cheapflights users on 12/7. 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 12/249:05 pmDEN - IDA
Nonstop1h 54mUnited Airlines
Sun 12/285:00 amIDA - DEN
Nonstop2h 03mUnited Airlines
Deal found 12/7$204
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/249:05 pmDEN - IDA
Nonstop1h 54mUnited Airlines
Tue 12/306:40 amIDA - DEN
Nonstop2h 02mUnited Airlines
Deal found 12/7$213
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/248:00 amDEN - IDA
Nonstop1h 58mUnited Airlines
Sat 12/276:40 amIDA - DEN
Nonstop2h 02mUnited Airlines
Deal found 12/8$219
This United Airlines deal was found by Cheapflights users on 12/6. 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 12/229:05 pmDEN - IDA
Nonstop1h 54mUnited Airlines
Fri 12/265:00 amIDA - DEN
Nonstop2h 03mUnited Airlines
Deal found 12/6$236
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/308:00 amDEN - IDA
Nonstop1h 58mUnited Airlines
Thu 1/82:40 pmIDA - DEN
Nonstop1h 51mUnited Airlines
Deal found 12/8$249
This United Airlines deal was found by Cheapflights users on 12/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:30 pmDEN - IDA
Nonstop1h 52mUnited Airlines
Thu 1/16:40 amIDA - DEN
Nonstop2h 02mUnited Airlines
Deal found 12/9$257
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/299:05 pmDEN - IDA
Nonstop1h 54mUnited Airlines
Mon 1/52:30 pmIDA - DEN
Nonstop1h 51mUnited Airlines
Deal found 12/8$262
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/187:20 pmDEN - IDA
Nonstop1h 54mUnited Airlines
Thu 1/16:40 amIDA - DEN
Nonstop2h 02mUnited Airlines
Deal found 12/7$277
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/238:00 amDEN - IDA
Nonstop1h 58mUnited Airlines
Sat 12/275:00 amIDA - DEN
Nonstop2h 03mUnited Airlines
Deal found 12/8$279
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/298:00 amDEN - IDA
Nonstop1h 58mUnited Airlines
Thu 1/84:19 pmIDA - DEN
Nonstop1h 54mUnited Airlines
Deal found 12/8$294
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/308:00 amDEN - IDA
Nonstop1h 58mUnited Airlines
Fri 1/25:00 amIDA - DEN
Nonstop2h 03mUnited Airlines
Deal found 12/8$319
This Delta deal was found by Cheapflights users on 12/7. 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 12/107:05 amDEN - IDA
1 stop5h 32mDelta
Wed 12/241:10 pmIDA - DEN
1 stop6h 03mDelta
Deal found 12/7$324

Find 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 December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$112
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$538

Good round-trip deal

$240 or less

Good one-way deal

$458 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. 28% potential increase in price ($117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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

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 December 9, 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

Fri 1/16

11:45 am-1:30 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Sun 1/18

2:40 pm-4:31 pm

Nonstop1h 51m

$189

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 12/22

9:05 pm-10:59 pm

Nonstop1h 54m

Idaho Falls Fanning Field

Fri 12/26

5:00 am-7:03 am

Nonstop2h 03m

$236

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 1/9

11:45 am-1:30 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Sun 1/25

2:40 pm-4:31 pm

Nonstop1h 51m

$249

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 1/8

11:45 am-1:30 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Sun 1/11

4:19 pm-6:13 pm

Nonstop1h 54m

$249

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sat 1/10

1:39 pm-3:31 pm

Nonstop1h 52m

Idaho Falls Fanning Field

Sat 1/17

2:40 pm-4:31 pm

Nonstop1h 51m

$250

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sat 1/10

7:00 am-12:34 pm

1 stop5h 34m

Idaho Falls Fanning Field

Sat 1/17

1:15 pm-6:40 pm

1 stop5h 25m

$255

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 12/24

1:30 pm-3:22 pm

Nonstop1h 52m

Idaho Falls Fanning Field

Thu 1/1

6:40 am-8:42 am

Nonstop2h 02m

$257

DurangoIdaho Falls

DRO - IDA

DROIDA

Durango La Plata County

Wed 1/14

7:00 am-1:30 pm

1 stop6h 30m

Idaho Falls Fanning Field

Sat 1/17

2:40 pm-8:31 pm

1 stop5h 51m

$258

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 12/23

8:00 am-9:58 am

Nonstop1h 58m

Idaho Falls Fanning Field

Sat 12/27

5:00 am-7:03 am

Nonstop2h 03m

$279

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Fri 4/3

6:00 am-9:53 am

1 stop3h 53m

Idaho Falls Fanning Field

Mon 4/6

2:35 pm-8:46 pm

1 stop6h 11m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 21 results
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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, May is the cheapest month in which you can book a flight from Colorado to Idaho Falls (average of $37). Flying from Colorado to Idaho Falls in February is currently the most expensive (average of $259). 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 December 9, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 47% on flights from Colorado to Idaho Falls by exploring options for tickets in the evening.

What is the cheapest day to fly from Colorado to Idaho Falls?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Idaho Falls. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Colorado to Idaho Falls flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 9, 2025.

The most flights from USCO to IDA are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

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.

  • How popular is this Colorado to Idaho Falls flight route?

    This flight path from Colorado to Idaho Falls Fanning Field was viewed by 2 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 Colorado to Idaho Falls?

    Airlines like United Airlines fly from Colorado to Idaho Falls in about 1h 45m. The time it takes to get you to your destination is usually consistent. The distance between Colorado and Idaho Falls is about 457 mi. All flights are typically nonstop.

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

    $42 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 United Airlines and Delta, with prices starting from $149 and $199, 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 (85%), United Airlines (85%) or Copa Airlines (84%) 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 $189. While the most popular route (Denver Intl - Idaho Falls Fanning Field) can be booked for $189 on average, our data indicates $353 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, May is the cheapest month in which you can book a flight from Colorado to Idaho Falls (average of $37). Flying from Colorado to Idaho Falls in February is currently the most expensive (average of $259). 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 Idaho Falls?

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

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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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$44Average$88FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$194Average$342FlexibilityNo cancel feeOn-time69%

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