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Cheap flights from Idaho Falls to Denver from $122

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho Falls to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:47 pm - 9:48 amIDA  Idaho Falls Fanning Field-DEN Denver Intl
14h 01m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:29 pm - 11:11 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
12h 42m1 stop Phoenix Sky Harbor Intl
$224Multiple Airlines
Mon, Nov 16 - Wed, Nov 18
Multiple Airlines Logo
10:28 am - 11:49 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
13h 21m1 stop Phoenix-Mesa Gateway
Multiple Airlines Logo
10:42 pm - 9:38 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
10h 56m1 stop Phoenix Sky Harbor Intl
$240Multiple Airlines
Fri, Dec 4 - Thu, Dec 10
Multiple Airlines Logo
7:47 pm - 8:22 amIDA  Idaho Falls Fanning Field-DEN Denver Intl
12h 35m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth
Multiple Airlines Logo
10:29 pm - 11:11 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
12h 42m1 stop Phoenix Sky Harbor Intl
$266Multiple Airlines
Mon, Nov 16 - Wed, Nov 18
Multiple Airlines Logo
7:47 pm - 12:42 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
16h 55m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:30 am - 1:30 pmDEN  Denver Intl-IDA Idaho Falls Fanning Field
6h 00m1 stop Las Vegas Harry Reid Intl
$298Multiple Airlines
Mon, Nov 9 - Fri, Nov 13
Multiple Airlines Logo
10:28 am - 12:07 amIDA  Idaho Falls Fanning Field-DEN Denver Intl
13h 39m2 stops Phoenix-Mesa Gateway Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:42 pm - 9:38 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
10h 56m1 stop Phoenix Sky Harbor Intl
$304Multiple Airlines
Fri, Dec 4 - Thu, Dec 10
United Airlines Logo
10:35 am - 12:25 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 50mnonstop
United Airlines Logo
12:20 am - 2:07 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 47mnonstop
$319United Airlines
Thu, Nov 26 - Sat, Nov 28
United Airlines Logo
10:35 am - 12:25 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 50mnonstop
United Airlines Logo
1:40 pm - 3:29 pmDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 49mnonstop
$319United Airlines
Thu, Nov 26 - Thu, Dec 3
United Airlines Logo
5:30 pm - 7:20 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 50mnonstop
United Airlines Logo
8:00 am - 9:53 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 53mnonstop
$319United Airlines
Fri, Nov 13 - Sun, Nov 15
United Airlines Logo
7:00 am - 8:48 amIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 48mnonstop
United Airlines Logo
11:45 am - 1:28 pmDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 43mnonstop
$319United Airlines
Sat, Jan 16 - Wed, Jan 20
United Airlines Logo
10:35 am - 12:31 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 56mnonstop
United Airlines Logo
11:45 am - 1:28 pmDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 43mnonstop
$319United Airlines
Thu, Dec 24 - Sat, Dec 26

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United Airlines flights from Idaho Falls to Denver

Our best United Airlines deals on Idaho Falls to Denver flight tickets
United Airlines
Dec 4
IDA4:10 pmIdaho Falls Fanning Field
1h 49m
DEN5:59 pmDenver Intl
Dec 10
DEN8:00 amDenver Intl
1h 51m
IDA9:51 amIdaho Falls Fanning Field
$319
United Airlines
Nov 24
IDA7:00 amIdaho Falls Fanning Field
1h 55m
DEN8:55 amDenver Intl
Nov 28
DEN12:20 amDenver Intl
1h 47m
IDA2:07 amIdaho Falls Fanning Field
$328
United Airlines
Dec 5
IDA2:40 pmIdaho Falls Fanning Field
1h 45m
DEN4:25 pmDenver Intl
Dec 7
DEN7:05 pmDenver Intl
1h 54m
IDA8:59 pmIdaho Falls Fanning Field
$333

Delta flights from Idaho Falls to Denver

Our best Delta deals on Idaho Falls to Denver flight tickets
Delta
Nov 25
IDA6:00 amIdaho Falls Fanning Field
3h 40m
1 stop
DEN9:40 amDenver Intl
Nov 27
DEN6:10 pmDenver Intl
4h 12m
1 stop
IDA10:22 pmIdaho Falls Fanning Field
$339
Delta
Nov 22
IDA1:11 pmIdaho Falls Fanning Field
3h 59m
1 stop
DEN5:10 pmDenver Intl
Nov 26
DEN3:00 pmDenver Intl
3h 34m
1 stop
IDA6:34 pmIdaho Falls Fanning Field
$354
Delta
Nov 5
IDA1:05 pmIdaho Falls Fanning Field
3h 51m
1 stop
DEN4:56 pmDenver Intl
Nov 9
DEN6:10 pmDenver Intl
3h 49m
1 stop
IDA9:59 pmIdaho Falls Fanning Field
$369

momondo Fare Finder

 
Use the filters below to find and compare flights from Idaho Falls to Denver that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Mon 11/16

7:47 pm-9:48 am

1 stop14h 01m

Denver Intl

Wed 11/18

10:29 pm-11:11 am

1 stop12h 42m

$224

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Fri 12/4

10:28 am-11:49 pm

1 stop13h 21m

Denver Intl

Thu 12/10

10:42 pm-9:38 am

1 stop10h 56m

$240

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Mon 11/16

7:47 pm-8:22 am

2 stops12h 35m

Denver Intl

Wed 11/18

10:29 pm-11:11 am

1 stop12h 42m

$266

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Mon 11/9

7:47 pm-12:42 pm

1 stop16h 55m

Denver Intl

Fri 11/13

7:30 am-1:30 pm

1 stop6h 00m

$298

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Fri 12/4

10:28 am-12:07 am

2 stops13h 39m

Denver Intl

Thu 12/10

10:42 pm-9:38 am

1 stop10h 56m

$304

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Thu 11/26

10:35 am-12:25 pm

Nonstop1h 50m

Denver Intl

Sat 11/28

12:20 am-2:07 am

Nonstop1h 47m

$319

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Thu 11/26

10:35 am-12:25 pm

Nonstop1h 50m

Denver Intl

Thu 12/3

1:40 pm-3:29 pm

Nonstop1h 49m

$319

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Fri 11/13

5:30 pm-7:20 pm

Nonstop1h 50m

Denver Intl

Sun 11/15

8:00 am-9:53 am

Nonstop1h 53m

$319
Quickest round-trip

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Sat 1/16

7:00 am-8:48 am

Nonstop1h 48m

Denver Intl

Wed 1/20

11:45 am-1:28 pm

Nonstop1h 43m

$319

Idaho FallsDenver

IDA Idaho Falls Fanning Field - DEN Denver Intl

IDADEN

Idaho Falls Fanning Field

Thu 12/24

10:35 am-12:31 pm

Nonstop1h 56m

Denver Intl

Sat 12/26

11:45 am-1:28 pm

Nonstop1h 43m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Idaho Falls to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Idaho Falls and Denver?

Prices are currently low for flights on this route.

Typical prices usually range from $304 to $449.
The lowest price recently found on this route was $224.

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Idaho Falls is in March. Flight prices, which tend to average around $220, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in March, then you should wait until May to fly from Idaho Falls, when ticket prices are also cheap, with an average price of $277.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $473. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $665.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $448. Flights in the morning are often more expensive with an average ticket price of $613.

What is the cheapest Idaho Falls Fanning Field to Denver Intl flight route?

Fly from Idaho Falls Fanning Field to Denver Intl for the best Idaho Falls Fanning Field - Denver Intl flight prices

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

You are more likely to see cheaper flights to Denver from Idaho Falls when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $327 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Idaho Falls for as low as $162 on momondo.

What cabin class options are available on Idaho Falls to Denver flights?

There are 4 cabin classes available to choose from on Idaho Falls to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho Falls to Denver flights?

You could potentially save up to 22% on your flight if you consider stops on a Idaho Falls to Denver flight.

How have Idaho Falls to Denver flight prices changed over time?

As of October 2026, prices for Idaho Falls to Denver flights are approximately 34% more expensive when compared to flights at the same time last year.

When to book flights from Idaho Falls to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Denver (IDA to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Denver

Best Price Found

$122

Fastest flight time

1h 44m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Idaho Falls in the past 72 hours is $122. The best round-trip flight deal from Idaho Falls to Denver found on momondo in the last 72 hours is $224.
The fastest flight from Idaho Falls to Denver takes 1h 44m
Direct flights go from Idaho Falls to Denver every day.
There is 1 airport in Denver. From Idaho Falls there are direct flights to Denver Intl (DEN).
Search flight deals

Frequently asked questions about flying from Idaho Falls to Denver

  • How far is Idaho Falls Fanning Field to Denver Intl by plane?

    A flight from Idaho Falls Fanning Field to Denver Intl will travel around 445.5 mi. By plane, this route typically takes 1h 44m.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Denver Intl Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Denver Intl Airport are updated daily.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Denver Intl Airport?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Denver Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Idaho Falls to Denver?

  • What is the most popular airline from Idaho Falls to Denver?

Best airlines flying from Idaho Falls to Denver

Compare and see reviews for airlines that fly from Idaho Falls to Denver with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $189Free CancellationRating
7.3
10,404 reviews
Search United Airlines flights

  • United Airlines Flights From Idaho Falls to Denver

    United Airlines operates around 15 flights from Idaho Falls to Denver every week. The average price of these flights found in the last 72 hours has been $322, but momondo users have found United Airlines deals from Idaho Falls to Denver from as low as $189 round-trip. United Airlines has been scored 7.3/10 in 10,404 reviews.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Westminster
Lakewood
Boulder
Longmont
Manitou Springs
Greeley
Thornton
Keystone
Centennial
Littleton
Cripple Creek
Englewood
Winter Park
Golden
Greenwood Village

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Denver?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from Idaho Falls.

Can I find flights from Idaho Falls to Denver with flexible booking policies on momondo?

Flights from Idaho Falls to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho Falls to Denver?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denver from Idaho Falls.

I’m not ready to book a flight from Idaho Falls to Denver right now. Can momondo alert me if prices change?

Price alerts on flights to Denver from Idaho Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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