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$52+ Cheap flights from Idaho Falls to Denver (IDA - DEN)

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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — DEN
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Idaho Falls Fanning Field to Denver Intl are usually found in April or December, booked 89 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Idaho Falls to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$95
(Kiwi.com)

One-way from

$52
(Kiwi.com)

Popular in

March

Cheapest in

April

Average price

$314

Good round-trip deal

$392 or less

Good one-way deal

$234 or less
Provider with most accurate pricing for Idaho Falls Fanning Field-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Denver Intl flights.
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From Idaho Falls Fanning Field to Denver Intl
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One-way flight from Idaho Falls Fanning Field to Denver Intl
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Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Idaho Falls Fanning Field to Denver Intl.
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Price to beat on a one-way flight from Idaho Falls Fanning Field to Denver Intl.
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Find flight deals from Idaho Falls to Denver

Cheapest flights from Idaho Falls to Denver
Explore the most affordable flight options available from Idaho Falls to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Agoda.com deal was found by Cheapflights users on 4/29. 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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/255:51 pmIDA - DEN
Nonstop1h 48mAllegiant Air
Thu 5/293:24 pmDEN - IDA
Nonstop1h 42mAllegiant Air
Deal found 4/29$87
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/245:55 pmIDA - DEN
Nonstop1h 45mUnited Airlines
Mon 5/268:00 amDEN - IDA
Nonstop1h 44mUnited Airlines
Deal found 4/29$189
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1311:20 amIDA - DEN
1 stop3h 41mDelta
Fri 7/255:30 amDEN - IDA
1 stop5h 04mDelta
Deal found 4/29$209
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:00 amIDA - DEN
1 stop6h 00mMultiple Airlines
Thu 5/293:24 pmDEN - IDA
Nonstop1h 42mMultiple Airlines
Deal found 4/29$272
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/51:02 pmIDA - DEN
1 stop7h 14mAmerican Airlines
Sun 5/112:45 pmDEN - IDA
1 stop6h 32mAmerican Airlines
Deal found 4/29$364
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:00 amIDA - DEN
1 stop18h 05mAlaska Airlines
Thu 5/296:00 amDEN - IDA
1 stop16h 34mAlaska Airlines
Deal found 4/29$431

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho Falls to Denver 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 29, 2025.
Use the filters below to find and compare flights from Idaho Falls to Denver that are best for you.

Fly from

Idaho Falls

Fly to

Denver

Route

Depart

Return

Price

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sun 7/13

5:49 pm-7:37 pm

Nonstop1h 48m

Denver Intl

Sun 7/20

3:20 pm-5:04 pm

Nonstop1h 44m

$95

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sat 5/24

5:55 pm-7:40 pm

Nonstop1h 45m

Denver Intl

Mon 5/26

8:00 am-9:44 am

Nonstop1h 44m

$189

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sun 7/13

11:20 am-3:01 pm

1 stop3h 41m

Denver Intl

Tue 7/22

5:30 am-10:34 am

1 stop5h 04m

$209

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sat 5/24

7:00 am-3:47 pm

1 stop8h 47m

Denver Intl

Mon 5/26

5:00 am-12:29 pm

1 stop7h 29m

$390

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Tue 6/3

6:00 am-1:58 pm

1 stop7h 58m

Denver Intl

Thu 6/5

6:00 am-10:34 pm

1 stop16h 34m

$422

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sun 7/27

7:00 am-8:53 am

Nonstop1h 53m

Denver Intl

Mon 7/28

8:32 pm-10:39 pm

1 stop26h 07m

$546

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Thu 7/24

5:49 pm-7:37 pm

Nonstop1h 48m

$52

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Wed 5/21

4:20 pm-9:38 pm

1 stop5h 18m

$191

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Thu 7/24

6:51 am-1:55 pm

1 stop7h 04m

$206

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Wed 5/21

7:00 am-8:57 am

Nonstop1h 57m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 11 results
1
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Compare providers for flights from Idaho Falls to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Denver in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Denver flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Idaho Falls 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 Idaho Falls to Denver

How far ahead should I book a flight from Idaho Falls to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Idaho Falls to Denver. Price data was last updated on April 25, 2025.

The price you pay for your flight from Idaho Falls to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Idaho Falls to Denver?

Currently, October is the cheapest month in which you can book a flight from Idaho Falls to Denver (average of $197). Flying from Idaho Falls to Denver in March is currently the most expensive (average of $278). 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 IDA to DEN?

Find hourly flight availability from Idaho Falls to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

When flying from Idaho Falls to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 32% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Idaho Falls to Denver. Price data was last updated on March 30, 2025.

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

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated April 29, 2025.
To help decide which airline to fly from Idaho Falls to Denver, see what other customers have to say about Alaska Airlines, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
734 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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 Idaho Falls to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Idaho Falls to Denver?

    If you book a flight from Idaho Falls to Denver, you will be flying from Fanning Field to Denver Intl. Flights to Denver Intl (DEN) from Idaho Falls Fanning Field (IDA) take 1h 42m for a nonstop flight. There is 1 flight from Fanning Field to Denver per day from 3 airlines.

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

    This flight path from Idaho Falls Fanning Field to Denver Intl was viewed by 21 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Idaho Falls to Denver round-trip?

    Our cheapest airline available from Idaho Falls to Denver is Allegiant Air. Our recent data shows that you can find tickets from as low as $95 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $189 and $209 round-trip. Allegiant Air is currently priced 73% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $52 on Allegiant Air. Other airlines that offer cheap prices include Alaska Airlines from $191 and American Airlines from $206 one-way.

  • What are the most reliable airlines from Idaho Falls to Denver?

    Before booking your flight to Denver from Idaho Falls, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (76%), United Airlines (76%), Copa Airlines( 73%).

  • What are the cheapest flights from Idaho Falls to Denver?

    Looking for the cheapest flight from Idaho Falls to Denver? While on average our users pay $449, our data indicates the cheapest price to be $171. The most popular route (Idaho Falls Fanning Field - Denver Intl), is priced around $95.

  • Can I find deals for flights from Idaho Falls to Denver that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Denver.

  • Can I find deals for business class flights from Idaho Falls to Denver?

    Yes. Cheapflights offers flight deals from Idaho Falls to Denver 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 Idaho Falls to Denver?

    Currently, October is the cheapest month in which you can book a flight from Idaho Falls to Denver (average of $197). Flying from Idaho Falls to Denver in March is currently the most expensive (average of $278). 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
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Silverthorne
Brighton
Golden
Thornton
Greeley
Frisco
Grand Lake
Broomfield
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Limon

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Idaho Falls to Denver

Discover the top 3 airlines that operate flights from Idaho Falls to Denver. 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$54Average$121FlexibilityNo cancel feeOn-time88%
DeltaCheapest$208Average$307FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$239Average$346FlexibilityNo cancel feeOn-time69%

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