Idaho Falls

$153+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IDA
May 1 — May 81
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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 April 1, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Mon 4/2710:00 am
DEN
-
IDA
1 stop5h 27m
Multiple Airlines
Fri 5/110:21 pm
IDA
-
DEN
1 stop5h 38m
Multiple Airlines
Deal found 4/1$216
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/162:26 pm
DEN
-
IDA
2 stops25h 01m
Multiple Airlines
Mon 4/2010:21 pm
IDA
-
DEN
1 stop5h 38m
Multiple Airlines
Deal found 3/31$242
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/218:10 am
DEN
-
IDA
Nonstop1h 43m
United Airlines
Sat 4/252:30 pm
IDA
-
DEN
Nonstop1h 47m
United Airlines
Deal found 3/28$249
This United Airlines deal was found by Cheapflights users on 3/28. 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 5/11:55 pm
DEN
-
IDA
Nonstop1h 48m
United Airlines
Mon 6/12:30 pm
IDA
-
DEN
Nonstop1h 48m
United Airlines
Deal found 3/28$258
This United Airlines deal was found by Cheapflights users on 3/31. 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 6/258:05 am
DEN
-
IDA
Nonstop1h 45m
United Airlines
Sat 6/272:30 pm
IDA
-
DEN
Nonstop1h 48m
United Airlines
Deal found 3/31$276
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/168:10 am
DEN
-
IDA
Nonstop1h 43m
United Airlines
Mon 4/205:20 pm
IDA
-
DEN
Nonstop1h 50m
United Airlines
Deal found 3/31$279
This Delta deal was found by Cheapflights users on 3/30. 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 5/215:30 am
DEN
-
IDA
1 stop5h 17m
Delta
Tue 5/266:54 pm
IDA
-
DEN
1 stop3h 46m
Delta
Deal found 3/30$284
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 4/146:27 pm
DEN
-
IDA
1 stop4h 13m
Delta
Sat 4/185:47 am
IDA
-
DEN
1 stop3h 26m
Delta
Deal found 3/30$299
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 8/225:20 am
DRO
-
IDA
1 stop4h 33m
United Airlines
Tue 8/252:30 pm
IDA
-
DRO
1 stop6h 24m
United Airlines
Deal found 3/30$330
This United Airlines deal was found by Cheapflights users on 3/31. 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 12/87:00 am
COS
-
IDA
1 stop6h 35m
United Airlines
Sat 12/125:57 pm
IDA
-
COS
1 stop4h 01m
United Airlines
Deal found 3/31$409
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.
Sat 4/2510:28 am
COS
-
IDA
1 stop5h 46m
United Airlines
Sun 4/262:30 pm
IDA
-
COS
1 stop6h 16m
United Airlines
Deal found 3/27$505
This United Airlines deal was found by Cheapflights users on 3/29. 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 4/296:00 am
COS
-
IDA
1 stop3h 53m
United Airlines
Fri 5/15:26 pm
IDA
-
COS
1 stop23h 05m
United Airlines
Deal found 3/29$528

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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Kiwi.com)

One-way from

$153
(Kiwi.com)

Popular in

September

Cheapest in

June

Average price

$284

Good round-trip deal

$289 or less

Good one-way deal

$213 or less
Provider with most accurate pricing for Denver Intl-Idaho Falls Fanning Field flight deals.
Provider most trusted by Cheapflights users for Denver Intl-Idaho Falls Fanning Field flights.
From Colorado to Idaho Falls Fanning Field
One-way flight from Colorado to Idaho Falls Fanning Field
Highest demand for flights based on searches. 9% potential increase in price ($25 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Colorado to Idaho Falls Fanning Field.
Price to beat on a one-way flight from Colorado to Idaho Falls Fanning Field.

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 1, 2026.
Use the filters below to find and compare flights from Colorado to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 4/28

8:10 am-9:53 am

Nonstop1h 43m

Idaho Falls Fanning Field

Tue 5/5

5:26 pm-7:21 pm

Nonstop1h 55m

$249
Quickest round-trip

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 4/21

8:10 am-9:53 am

Nonstop1h 43m

Idaho Falls Fanning Field

Sat 4/25

2:30 pm-4:17 pm

Nonstop1h 47m

$249

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 5/1

1:55 pm-3:43 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 6/1

2:30 pm-4:18 pm

Nonstop1h 48m

$258

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 4/27

10:00 am-9:31 pm

2 stops11h 31m

Idaho Falls Fanning Field

Fri 5/1

10:21 pm-10:03 am

1 stop11h 42m

$261

DurangoIdaho Falls

DRO - IDA

DROIDA

Durango La Plata County

Sat 8/22

5:20 am-9:53 am

1 stop4h 33m

Idaho Falls Fanning Field

Tue 8/25

4:10 pm-10:15 pm

1 stop6h 05m

$330

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 4/28

6:27 pm-10:40 pm

1 stop4h 13m

Idaho Falls Fanning Field

Tue 5/5

5:47 am-9:13 am

1 stop3h 26m

$344

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sat 4/11

4:00 pm-10:16 pm

1 stop6h 16m

Idaho Falls Fanning Field

Wed 4/15

6:58 pm-10:29 pm

1 stop3h 31m

$359

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 8/12

11:45 am-1:24 pm

Nonstop1h 39m

Idaho Falls Fanning Field

Sun 8/16

10:35 am-12:29 pm

Nonstop1h 54m

$369

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 6/16

7:05 am-10:43 am

1 stop3h 38m

Idaho Falls Fanning Field

Mon 6/22

7:07 pm-10:41 pm

1 stop3h 34m

$389

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 6/25

5:40 am-10:43 am

1 stop5h 03m

Idaho Falls Fanning Field

Sat 6/27

6:00 am-9:18 am

1 stop3h 18m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 32 resultsSorted by cheapest first
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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 $43). Flying from Colorado to Idaho Falls in September is currently the most expensive (average of $237). 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 1, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 72% on flights from Colorado to Idaho Falls by exploring options for tickets in the afternoon.

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 March 28, 2026.

Travelers seeking maximum savings on their Colorado to Idaho Falls flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday evenings 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 April 1, 2026.

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

How much does it cost to fly round-trip from Colorado to Idaho Falls?

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?

  • How long is the flight from Colorado to Idaho Falls?

    Airlines like United Airlines and Delta fly from Colorado to Idaho Falls in about 1h 43m. The time it takes to get you to your destination can typically vary by up to 2h 30m. The distance between Colorado and Idaho Falls is about 457 mi. This flight may include one or multiple stops.

  • 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 $158 and $239, respectively.

  • What are the most popular routes 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 (84%), United Airlines (84%) or Copa Airlines (73%) 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 $148. While the most popular route (Denver Intl - Idaho Falls Fanning Field) can be booked for $242 on average, our data indicates $304 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 $43). Flying from Colorado to Idaho Falls in September is currently the most expensive (average of $237). 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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$40Average$88FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$189Average$314FlexibilityNo cancel feeOn-time69%

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