$120 Cheap Flights from Idaho Falls (IDA) to Denver (DEN)

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Cheap flights from Idaho Falls (IDA) to Denver (DEN)

Prices were available within the past 7 days and start at $120 for one-way flights and $239 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Dec 14 - Sun, Dec 29
IDA
Idaho Falls
DEN
Denver
$239 Roundtrip, found 6 hours ago
$239
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Dec 14 from Idaho Falls to Denver, returning Sun, Dec 29, priced at $239 found 6 hours ago
United
Thu, Jan 23 - Mon, Jan 27
IDA
Idaho Falls
DEN
Denver
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 23 from Idaho Falls to Denver, returning Mon, Jan 27, priced at $251 found 1 day ago
United
Tue, Nov 19 - Sun, Nov 24
IDA
Idaho Falls
DEN
Denver
$253 Roundtrip, found 1 day ago
$253
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 19 from Idaho Falls to Denver, returning Sun, Nov 24, priced at $253 found 1 day ago
Delta
Fri, Dec 13 - Wed, Jan 1
IDA
Idaho Falls
DEN
Denver
$256 Roundtrip, found 6 hours ago
$256
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Dec 13 from Idaho Falls to Denver, returning Wed, Jan 1, priced at $256 found 6 hours ago
Delta
Fri, Dec 13 - Sun, Dec 29
IDA
Idaho Falls
DEN
Denver
$258 Roundtrip, found 6 hours ago
$258
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Dec 13 from Idaho Falls to Denver, returning Sun, Dec 29, priced at $258 found 6 hours ago
Delta
Tue, Dec 3 - Thu, Dec 5
IDA
Idaho Falls
DEN
Denver
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Dec 3 from Idaho Falls to Denver, returning Thu, Dec 5, priced at $258 found 1 day ago
American Airlines
Tue, Nov 19 - Sun, Nov 24
IDA
Idaho Falls
DEN
Denver
$265 Roundtrip, found 1 day ago
$265
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 19 from Idaho Falls to Denver, returning Sun, Nov 24, priced at $265 found 1 day ago
American Airlines
Sun, Nov 10 - Wed, Nov 13
IDA
Idaho Falls
DEN
Denver
$268 Roundtrip, found 8 hours ago
$268
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sun, Nov 10 from Idaho Falls to Denver, returning Wed, Nov 13, priced at $268 found 8 hours ago
American Airlines
Fri, Nov 15 - Mon, Nov 18
IDA
Idaho Falls
DEN
Denver
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Nov 15 from Idaho Falls to Denver, returning Mon, Nov 18, priced at $270 found 1 day ago
Alaska Airlines
Tue, Nov 5 - Thu, Nov 7
IDA
Idaho Falls
DEN
Denver
$272 Roundtrip, found 10 hours ago
$272
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Tue, Nov 5 from Idaho Falls to Denver, returning Thu, Nov 7, priced at $272 found 10 hours ago
Flight from Idaho Falls to Denver (IDA - DEN) route information
Origin airport
Idaho Falls Regional
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$239
Distance
457 mi

Idaho Falls to Denver Flights

The cheapest times to fly from Idaho Falls to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Idaho Falls to Denver are during the month of December. You can find some of the cheapest flights from Idaho Falls to Denver with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Idaho Falls to Denver

Sunday is one of the best days to book for cheap flights from Idaho Falls to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Idaho Falls to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Idaho Falls to Denver in 2024. You can also book with separate airlines for your outbound and return journeys, from $120 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Idaho Falls to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Idaho Falls to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much is a one-way flight from IDA to Denver Airport?
Plan your next trip with Expedia and you could bag one-way Idaho Falls flights to Denver from just $120. This was the best fare found for this particular route with a departure date during the next three months — an United flight, departing IDA on November 16 2024 and landing at Denver Airport. The price was last updated on September 23 2024 and has not changed since. Eager to pick up your own bargain? The best offers are only a click of a button away.
How long does it take to fly from IDA to Denver Intl. Airport (DEN)?
United Airlines has a direct flight jetting off from Idaho Falls Regional Airport (IDA) at 5:59PM and arriving at DEN at 7:40PM — a flight duration of 1 hour and 41 minutes. Lock in the best available seat, bring a magazine to keep you entertained and the time will race by.
Is it cheaper to buy a plane ticket from Idaho Falls Regional Airport to Denver Intl. Airport (DEN) last minute?
When it comes to booking your flights, it pays to be prepared. While you may be able to score a deal on an IDA to Denver Airport flight at the last minute, prices usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international trips it’s between three and four months.
What is the cheapest airline flying from Idaho Falls Regional Airport to DEN in the next 90 days?
Based on airfares found on Expedia with a departure date within the next 90 days, United is the cheapest airline flying from Idaho Falls to Denver. The fare between these destinations starts from $120. This flight jets off from Idaho Falls Regional Airport on November 16 2024 and touches down at Denver Intl. Airport (DEN). The price was updated on September 23 2024 and has not changed since.
What's the cheapest price for a flight from Idaho Falls Regional Airport to Denver Intl. Airport (DEN) next month?
You can book a one-way flight from Idaho Falls to Denver for only $159. This is the best ticket price for this trip departing in the next month. It’s an Delta flight heading off from Idaho Falls Regional Airport (IDA) on October 9 2024 and touching down at DIA airport. The pricing information was updated on September 18 2024 and has not changed since. It was found after looking through all available flights on Expedia within the next 30 days.
What airline has the least delays from IDA to DIA airport?
If you’d prefer not to be stuck in the departure lounge — or worse, your vacation plans left in tatters because of a flight delay — book with United Airlines. Around 77% of its Idaho Falls Regional Airport (IDA) to DIA airport services are on time. You can check your flight status before heading to the airport through the free Expedia App. It also delivers real-time notifications about gate number changes and how to get to your hotel. Everything you need to know is right there in your pocket!
Can I find cheap nonstop flights from IDA to DEN in the next three months?
To give you an idea of prices, the cheapest we could find for a roundtrip nonstop flight from Idaho Falls to Denver in the next 90 days is $239. This amount is based on available flights on Expedia with a departure date in the next three months. This airfare is for a flight via United departing from Idaho Falls Regional Airport on October 17 2024 and touching down at Denver Airport, with a return leg on October 19 2024. This price was updated on September 23 2024.To locate nonstop cheap flights from Idaho Falls Regional Airport to DEN, use our filters after you press search. Simply click “Nonstop” under “Filter by” to the left of the page to browse your options. Your results will be ordered from the lowest price, so you can see the cheapest nonstop tickets first. You can also check out ticket prices for nearby days by clicking “Flexible dates” located near the top of the page.
What airports do you fly into for Denver from Idaho Falls?
With Denver Intl. Airport (DEN), Centennial Airport (APA) and Broomfield, CO (BJC-Rocky Mountain Metropolitan) to choose from, getting from Idaho Falls to Denver is easy. The city’s major hub, Denver Intl. Airport (DEN), is roughly 19 mi east of the center. Along with ticket prices, consider factors like public transportation options from the airport and the distance to your hotel when deciding where to fly into. Get your Denver adventure off to a terrific start by visiting Coors Field and Empower Field at Mile High.
What are the most popular departure times for flights from Idaho Falls Regional Airport to Denver Airport?
Between 2:00 PM - 3:00 PM is the busiest period for United Airlines flights departing from IDA to DEN. Our handy tip? Book a journey that departs earlier in the day. With air traffic yet to build up, your odds of boarding a delay-free flight are better.
Can I change the date of my flight from Idaho Falls Regional Airport to DEN?
Expedia makes it a breeze to make changes to your Idaho Falls Regional Airport to DEN journey yourself. Simply log in to the Expedia Trips portal and click on “change flight.” Look for new flights and secure the one that works best. You’ll see an estimate of any flight change costs. Alternatively, visit our Customer Service portal to connect with our Virtual Agent and quickly get answers to all your questions.
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*Available to One Key members.