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Cheap flights from Idaho Falls to Denver from $112

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Denver departing on 1/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:50 am - 12:36 pmIDA-DEN
1h 46mnonstop
United Airlines Logo
9:05 pm - 10:52 pmDEN-IDA
1h 47mnonstop
$189United Airlines
Find Deal
lun., nov. 24 - vie., nov. 28
United Airlines Logo
7:00 am - 8:57 amIDA-DEN
1h 57mnonstop
United Airlines Logo
8:01 am - 9:48 amDEN-IDA
1h 47mnonstop
$194United Airlines
Find Deal
sáb., nov. 22 - sáb., nov. 29
United Airlines Logo
4:15 pm - 6:05 pmIDA-DEN
1h 50mnonstop
United Airlines Logo
8:01 am - 9:48 amDEN-IDA
1h 47mnonstop
$229United Airlines
Find Deal
jue., nov. 6 - dom., nov. 9
United Airlines Logo
5:00 am - 7:03 amIDA-DEN
2h 03mnonstop
United Airlines Logo
8:00 am - 9:58 amDEN-IDA
1h 58mnonstop
$249United Airlines
Find Deal
mar., dic. 23 - vie., dic. 26
Multiple Airlines Logo
5:22 pm - 6:06 pmIDA-DEN
24h 44m1 stop
Multiple Airlines Logo
9:58 am - 6:07 pmDEN-IDA
8h 09m1 stop
$265Multiple Airlines
Find Deal
lun., nov. 24 - vie., nov. 28
Multiple Airlines Logo
8:16 pm - 3:58 amIDA-DEN
7h 42m1 stop
Multiple Airlines Logo
5:35 pm - 1:16 pmDEN-IDA
19h 41m1 stop
$269Multiple Airlines
Find Deal
vie., dic. 12 - dom., dic. 14
American Airlines Logo
7:10 am - 3:15 pmIDA-DEN
8h 05m1 stop
American Airlines Logo
10:43 am - 3:46 pmDEN-IDA
5h 03m1 stop
$271American Airlines
Find Deal
lun., nov. 24 - jue., nov. 27
Delta Logo
6:00 am - 9:23 amIDA-DEN
3h 23m1 stop
Delta Logo
7:05 am - 4:32 pmDEN-IDA
9h 27m1 stop
$294Delta
Find Deal
dom., nov. 23 - jue., nov. 27
Delta Logo
6:00 am - 9:23 amIDA-DEN
3h 23m1 stop
Delta Logo
3:54 pm - 10:19 pmDEN-IDA
6h 25m1 stop
$299Delta
Find Deal
dom., nov. 23 - vie., nov. 28
Alaska Airlines Logo
3:50 pm - 2:41 pmIDA-DEN
22h 51m1 stop
Alaska Airlines Logo
8:02 pm - 11:59 pmDEN-IDA
27h 57m1 stop
$375Alaska Airlines
Find Deal
sáb., nov. 15 - lun., nov. 17

United Airlines flights from Idaho Falls to Denver

Our best United Airlines deals on Idaho Falls to Denver flight tickets
United Airlines
Nov 24
IDA10:50 amIdaho Falls Fanning Field
1h 46m
DEN12:36 pmDenver Intl
Nov 28
DEN9:05 pmDenver Intl
1h 47m
IDA10:52 pmIdaho Falls Fanning Field
$189
Find similar
United Airlines
Nov 22
IDA7:00 amIdaho Falls Fanning Field
1h 57m
DEN8:57 amDenver Intl
Nov 29
DEN8:01 amDenver Intl
1h 47m
IDA9:48 amIdaho Falls Fanning Field
$194
Find similar
United Airlines
Nov 6
IDA4:15 pmIdaho Falls Fanning Field
1h 50m
DEN6:05 pmDenver Intl
Nov 9
DEN8:01 amDenver Intl
1h 47m
IDA9:48 amIdaho Falls Fanning Field
$229
Find similar

Delta flights from Idaho Falls to Denver

Our best Delta deals on Idaho Falls to Denver flight tickets
Delta
Nov 23
IDA6:00 amIdaho Falls Fanning Field
3h 23m
1 stop
DEN9:23 amDenver Intl
Nov 27
DEN7:05 amDenver Intl
9h 27m
1 stop
IDA4:32 pmIdaho Falls Fanning Field
$294
Find similar
Delta
Nov 23
IDA6:00 amIdaho Falls Fanning Field
3h 23m
1 stop
DEN9:23 amDenver Intl
Nov 28
DEN3:54 pmDenver Intl
6h 25m
1 stop
IDA10:19 pmIdaho Falls Fanning Field
$299
Find similar
Delta
Nov 23
IDA6:00 amIdaho Falls Fanning Field
3h 23m
1 stop
DEN9:23 amDenver Intl
Dec 2
DEN6:54 amDenver Intl
15h 27m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
$344
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated octubre 27, 2025.
Use the filters below to find and compare flights from Idaho Falls to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

lun. 11/24

10:50 am-12:36 pm

Nonstop1h 46m

Denver Intl

vie. 11/28

9:05 pm-10:52 pm

Nonstop1h 47m

$189

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

sáb. 11/22

7:00 am-8:57 am

Nonstop1h 57m

Denver Intl

sáb. 11/29

8:01 am-9:48 am

Nonstop1h 47m

$194

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

jue. 11/6

4:15 pm-6:05 pm

Nonstop1h 50m

Denver Intl

dom. 11/9

8:01 am-9:48 am

Nonstop1h 47m

$229

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

mar. 12/23

5:00 am-7:03 am

Nonstop2h 03m

Denver Intl

vie. 12/26

8:00 am-9:58 am

Nonstop1h 58m

$249

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

lun. 11/24

5:22 pm-6:06 pm

1 stop24h 44m

Denver Intl

vie. 11/28

9:58 am-6:07 pm

1 stop8h 09m

$265

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

vie. 12/12

8:16 pm-3:58 am

1 stop7h 42m

Denver Intl

dom. 12/14

5:35 pm-1:16 pm

1 stop19h 41m

$269

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

lun. 11/24

7:10 am-3:15 pm

1 stop8h 05m

Denver Intl

jue. 11/27

10:43 am-3:46 pm

1 stop5h 03m

$271

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

dom. 11/23

6:00 am-9:23 am

1 stop3h 23m

Denver Intl

jue. 11/27

7:05 am-4:32 pm

1 stop9h 27m

$294

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

dom. 11/23

6:00 am-9:23 am

1 stop3h 23m

Denver Intl

vie. 11/28

3:54 pm-10:19 pm

1 stop6h 25m

$299

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

sáb. 11/15

3:50 pm-2:41 pm

1 stop22h 51m

Denver Intl

lun. 11/17

8:02 pm-11:59 pm

1 stop27h 57m

$375

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 cheapest month to fly to Denver?

The cheapest month to fly to Denver from Idaho Falls is in July. Flight prices, which tend to average around $213, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in July, then you should wait until August to fly from Idaho Falls, when ticket prices are also cheap, with an average price of $239.

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 Friday when prices can be found for as low as $540. 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 $690.

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 $434. Flights in the morning are often more expensive with an average ticket price of $629.

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 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 $300 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 $203 on momondo.

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

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

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

As of October 2025, prices for Idaho Falls to Denver flights are approximately 3% cheaper 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

$290

Fastest flight time

1h 46m

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 $290. The best round-trip flight deal from Idaho Falls to Denver found on momondo in the last 72 hours is $378.
The fastest flight from Idaho Falls to Denver takes 1h 46m
Direct flights go from Idaho Falls to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

  • 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 46m.

  • 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
Allegiant AirPriceFrom $54Free CancellationRating
7.2
695 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
DeltaPriceFrom $208Free CancellationRating
7.9
7,996 reviews
Search Delta flights

  • United Airlines Flights From Idaho Falls to Denver

    United Airlines operates around 17 flights from Idaho Falls to Denver every week. The average price of these flights found in the last 72 hours has been $313, 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 7.4/10 in 8,995 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
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

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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