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Idaho Falls

$140+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IDA
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
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 May 16, 2026.

This United Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 11/137:45 am
DEN
-
IDA
Nonstop1h 43m
United Airlines
Mon 11/165:57 pm
IDA
-
DEN
Nonstop1h 43m
United Airlines
Deal found 5/11$249
This Delta deal was found by Cheapflights users on 5/13. 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 11/43:40 pm
DEN
-
IDA
1 stop6h 39m
Delta
Sun 11/86:45 pm
IDA
-
DEN
1 stop3h 48m
Delta
Deal found 5/13$269
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 7/236:00 am
DEN
-
IDA
2 stops34h 00m
Multiple Airlines
Mon 7/2710:47 pm
IDA
-
DEN
1 stop10h 33m
Multiple Airlines
Deal found 5/16$275
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:05 am
DEN
-
IDA
Nonstop1h 45m
United Airlines
Wed 6/172:30 pm
IDA
-
DEN
Nonstop1h 48m
United Airlines
Deal found 5/12$278
This United Airlines deal was found by Cheapflights users on 5/13. 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 8/1211:50 am
DEN
-
IDA
Nonstop1h 39m
United Airlines
Wed 8/262:25 pm
IDA
-
DEN
Nonstop1h 50m
United Airlines
Deal found 5/13$279
This Delta deal was found by Cheapflights users on 5/13. 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 6/25:30 am
DEN
-
IDA
1 stop5h 17m
Delta
Sun 6/77:00 pm
IDA
-
DEN
1 stop3h 41m
Delta
Deal found 5/13$284
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:10 am
DEN
-
IDA
1 stop9h 55m
Multiple Airlines
Wed 8/1911:46 am
IDA
-
DEN
1 stop10h 00m
Multiple Airlines
Deal found 5/11$285
This United Airlines deal was found by Cheapflights users on 5/14. 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 8/281:39 pm
DEN
-
IDA
Nonstop1h 44m
United Airlines
Sun 8/304:04 pm
IDA
-
DEN
Nonstop1h 54m
United Airlines
Deal found 5/14$288
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2411:45 am
DEN
-
IDA
Nonstop1h 40m
United Airlines
Tue 6/304:14 pm
IDA
-
DEN
Nonstop1h 51m
United Airlines
Deal found 5/12$290
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:10 am
DEN
-
IDA
1 stop9h 58m
Multiple Airlines
Fri 6/1210:56 pm
IDA
-
DEN
1 stop10h 34m
Multiple Airlines
Deal found 5/11$294
This Delta deal was found by Cheapflights users on 5/13. 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 11/46:30 am
DEN
-
IDA
2 stops11h 44m
Delta
Mon 11/91:10 pm
IDA
-
DEN
1 stop6h 00m
Delta
Deal found 5/13$298
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:20 am
DRO
-
IDA
1 stop4h 33m
United Airlines
Wed 10/285:57 pm
IDA
-
DRO
1 stop4h 08m
United Airlines
Deal found 5/12$330

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 May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$140
(Kiwi.com)

Popular in

May

Cheapest in

July

Average price

$414

Good round-trip deal

$349 or less

Good one-way deal

$225 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. 20% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 16, 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

Wed 11/4

3:40 pm-10:19 pm

1 stop6h 39m

Idaho Falls Fanning Field

Sun 11/8

6:45 pm-10:33 pm

1 stop3h 48m

$269

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 6/15

7:00 pm-10:31 pm

1 stop3h 31m

Idaho Falls Fanning Field

Mon 6/22

3:25 pm-8:04 pm

1 stop4h 39m

$269

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 11/4

6:30 am-6:14 pm

2 stops11h 44m

Idaho Falls Fanning Field

Mon 11/9

1:10 pm-7:10 pm

1 stop6h 00m

$298

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 6/3

5:30 am-10:47 am

1 stop5h 17m

Idaho Falls Fanning Field

Sat 6/6

6:00 am-9:22 am

1 stop3h 22m

$314

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 11/4

7:20 pm-9:08 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Sun 11/8

5:57 pm-7:40 pm

Nonstop1h 43m

$319
Quickest round-trip

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sat 10/24

1:39 pm-3:23 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Tue 10/27

2:35 pm-4:19 pm

Nonstop1h 44m

$319

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 6/19

11:45 am-1:25 pm

Nonstop1h 40m

Idaho Falls Fanning Field

Tue 9/1

2:25 pm-4:15 pm

Nonstop1h 50m

$329

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 6/5

6:19 pm-10:42 pm

1 stop4h 23m

Idaho Falls Fanning Field

Sun 6/7

6:00 am-9:18 am

1 stop3h 18m

$329

DurangoIdaho Falls

DRO - IDA

DROIDA

Durango La Plata County

Sat 10/24

5:20 am-9:53 am

1 stop4h 33m

Idaho Falls Fanning Field

Wed 10/28

2:35 pm-8:40 pm

1 stop6h 05m

$330

DurangoIdaho Falls

DRO - IDA

DROIDA

Durango La Plata County

Fri 5/29

5:15 am-9:50 am

1 stop4h 35m

Idaho Falls Fanning Field

Mon 6/1

5:54 pm-10:00 pm

1 stop4h 06m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 37 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, July is the cheapest month in which you can book a flight from Colorado to Idaho Falls (average of $40). Flying from Colorado to Idaho Falls in September is currently the most expensive (average of $249). 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 May 16, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 71% 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 May 9, 2026.

Travelers seeking maximum savings on their Colorado to Idaho Falls flight should consider departing on Tuesday 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 May 16, 2026.

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

    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 Delta and United Airlines fly from Colorado to Idaho Falls in about 1h 48m. The time it takes to get you to your destination can typically vary by up to 4h 51m. The distance between Colorado and Idaho Falls is about 457 mi. This flight may include one or multiple stops.

  • 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 cheapest flights from Colorado to Idaho Falls?

    Looking at all options, your cheapest flight can be booked for $208. While the most popular route (Denver Intl - Idaho Falls Fanning Field) can be booked for $249 on average, our data indicates $318 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, July is the cheapest month in which you can book a flight from Colorado to Idaho Falls (average of $40). Flying from Colorado to Idaho Falls in September is currently the most expensive (average of $249). 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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$45Average$90FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$189Average$323FlexibilityNo cancel feeOn-time69%

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