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$136+ Cheap flights from Denver to Idaho Falls (DEN - 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 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IDA
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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The best prices from Denver Intl to Idaho Falls Fanning Field are usually found in April or January, booked 85 days in advance, depart on a Tuesday or Thursday and return on a Saturday

Cheap flight deals from Denver to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Idaho Falls (IDA). 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 January 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$259
(United Airlines)

One-way from

$159
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$299
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 Denver Intl to Idaho Falls Fanning Field
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One-way flight from Denver Intl to Idaho Falls Fanning Field
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High demand for flights, 11% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Denver to Idaho Falls

Cheapest flights from Denver to Idaho Falls
Explore the most affordable flight options available from Denver to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/16. 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.
Sun 6/223:20 pmDEN - IDA
Nonstop1h 44mAllegiant Air
Thu 6/265:49 pmIDA - DEN
Nonstop1h 48mAllegiant Air
Deal found 1/16$136
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/197:20 pmDEN - IDA
Nonstop1h 47mUnited Airlines
Tue 2/252:30 pmIDA - DEN
Nonstop1h 52mUnited Airlines
Deal found 1/16$259
This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/196:05 pmDEN - IDA
1 stop4h 39mDelta
Tue 2/256:58 pmIDA - DEN
1 stop3h 49mDelta
Deal found 1/16$279
This Alaska Airlines deal was found by Cheapflights users on 1/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/72:07 pmDEN - IDA
2 stops25h 20mAlaska Airlines
Tue 2/118:00 amIDA - DEN
1 stop14h 36mAlaska Airlines
Deal found 1/16$404
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/202:27 pmDEN - IDA
1 stop7h 50mAmerican Airlines
Wed 1/225:30 amIDA - DEN
1 stop6h 39mAmerican Airlines
Deal found 1/16$629

Find flights from Denver to Idaho Falls within your budget

Customize your flight search to find flights from Denver 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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sun 6/22

3:20 pm-5:04 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Thu 6/26

5:49 pm-7:37 pm

Nonstop1h 48m

$136

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 2/19

7:20 pm-9:07 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Tue 2/25

2:30 pm-4:22 pm

Nonstop1h 52m

$259

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 2/19

6:05 pm-10:44 pm

1 stop4h 39m

Idaho Falls Fanning Field

Tue 2/25

6:58 pm-10:47 pm

1 stop3h 49m

$279

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 2/7

2:07 pm-3:27 pm

2 stops25h 20m

Idaho Falls Fanning Field

Tue 2/11

8:00 am-10:36 pm

1 stop14h 36m

$404

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 3/6

7:45 am-9:34 am

Nonstop1h 49m

$159

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 3/6

2:20 pm-10:11 pm

1 stop7h 51m

$235

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sat 1/25

5:40 am-12:30 pm

1 stop6h 50m

$265

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 3/6

2:50 pm-10:36 pm

2 stops31h 46m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Compare providers for flights from Denver to Idaho Falls

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 Denver to Idaho Falls in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 Denver-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub 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 Denver-Idaho Falls 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 Denver to Idaho Falls

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

Travel insights for flights from Denver to Idaho Falls

Get recent, data-driven insights about flights from Denver to Idaho Falls including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Idaho Falls. Price data was last updated on January 10, 2025.

The price you pay for your flight from Denver to Idaho Falls may vary depending on when you book. For the best chance of a lower fare, look to book 79 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 Denver to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Denver to Idaho Falls (average of $380). Flying from Denver 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 DEN to IDA?

Find hourly flight availability from Denver 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 January 16, 2025.

It’s typically best to fly out from Denver to Idaho Falls at noon. Doing so could potentially save you 16% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Denver to Idaho Falls

Explore weekly flight availability from Denver 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 January 16, 2025.

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

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 January 16, 2025.
Alaska Airlines
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

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
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

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
8,511 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

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
8,965 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

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
9,681 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

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

    To fly from Denver to Idaho Falls, you need to book a flight from Denver Intl (DEN) to Fanning Field (IDA). Nonstop flights to Idaho Falls Fanning Field from Denver Intl take 1h 46m on average. When it comes time to book airfare, you have a few options: there are 4 outbound flights from Denver Intl to Fanning Field offered by 1 airline.

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

    United Airlines, at $259, was found to be the cheapest airline from Denver to Idaho Falls.Alternate airlines to your destination round-trip include Delta and Alaska Airlines. These flights start at 29% lower than the current average price 3 months from now.

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

    $159 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 American Airlines and Delta, with prices starting from $235 and $265, respectively.

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

    Consider Copa Airlines (84%), SkyWest Airlines (81%) or United Airlines (81%) when booking your flight. These represent the most reliable airlines when flying from Denver to Idaho Falls.

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

    While on average a flight from Denver to Idaho Falls is generally $369, our data shows the cheapest flight currently is $188. When looking at the most popular route, (Denver Intl - Idaho Falls Fanning Field), you can expect to pay $259 for that flight.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Denver to Idaho Falls (average of $380). Flying from Denver 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.

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Top airline flying from Denver to Idaho Falls

Discover the top airline that operate flights from Denver 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$244Average$356FlexibilityNo cancel feeOn-time69%
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