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Cheap flights from Colorado to Idaho Falls from $149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Idaho Falls departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:05 am - 9:51 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 46mnonstop
United Airlines Logo
5:53 pm - 7:45 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 52mnonstop
$259United Airlines
Fri, Aug 28 - Mon, Aug 31
United Airlines Logo
8:00 am - 9:53 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 53mnonstop
United Airlines Logo
4:30 pm - 6:20 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 50mnonstop
$259United Airlines
Wed, Nov 4 - Sat, Nov 7
United Airlines Logo
7:45 am - 9:28 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 43mnonstop
United Airlines Logo
5:57 pm - 7:40 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 43mnonstop
$259United Airlines
Sat, Dec 5 - Sun, Dec 13
United Airlines Logo
11:50 am - 1:29 pmDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 39mnonstop
United Airlines Logo
4:04 pm - 5:58 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 54mnonstop
$259United Airlines
Sat, Sep 5 - Sat, Sep 12
United Airlines Logo
8:05 am - 9:53 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 48mnonstop
United Airlines Logo
5:51 pm - 7:43 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 52mnonstop
$259United Airlines
Thu, Oct 1 - Sat, Oct 10
United Airlines Logo
1:40 pm - 3:24 pmDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 44mnonstop
United Airlines Logo
5:40 pm - 7:30 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 50mnonstop
$259United Airlines
Thu, Oct 22 - Sun, Oct 25
United Airlines Logo
11:45 am - 1:24 pmDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 39mnonstop
United Airlines Logo
4:05 pm - 5:59 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 54mnonstop
$259United Airlines
Thu, Oct 15 - Sun, Oct 18
United Airlines Logo
8:05 am - 9:53 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
1h 48mnonstop
United Airlines Logo
4:05 pm - 5:59 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
1h 54mnonstop
$259United Airlines
Thu, Oct 1 - Sun, Oct 4
Multiple Airlines Logo
10:47 pm - 9:12 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
10h 25m1 stop Phoenix Sky Harbor Intl
Multiple Airlines Logo
9:33 pm - 3:52 amIDA  Idaho Falls Fanning Field-DEN Denver Intl
6h 19m1 stop Las Vegas Harry Reid Intl
$265Multiple Airlines
Wed, Oct 7 - Mon, Oct 12
Multiple Airlines Logo
7:30 am - 11:58 amDEN  Denver Intl-IDA Idaho Falls Fanning Field
28h 28m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:21 pm - 11:44 pmIDA  Idaho Falls Fanning Field-DEN Denver Intl
5h 23m1 stop Las Vegas Harry Reid Intl
$265Multiple Airlines
Thu, Sep 24 - Mon, Sep 28

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United Airlines flights from Colorado to Idaho Falls

Our best United Airlines deals on Colorado to Idaho Falls flight tickets
United Airlines
Oct 1
DEN8:05 amDenver Intl
1h 48m
IDA9:53 amIdaho Falls Fanning Field
Oct 10
IDA5:51 pmIdaho Falls Fanning Field
1h 52m
DEN7:43 pmDenver Intl
$259
United Airlines
Sep 4
DEN1:39 pmDenver Intl
1h 44m
IDA3:23 pmIdaho Falls Fanning Field
Sep 11
IDA5:53 pmIdaho Falls Fanning Field
1h 52m
DEN7:45 pmDenver Intl
$268
United Airlines
Sep 4
DEN11:50 amDenver Intl
1h 39m
IDA1:29 pmIdaho Falls Fanning Field
Sep 6
IDA4:04 pmIdaho Falls Fanning Field
1h 54m
DEN5:58 pmDenver Intl
$281

Delta flights from Colorado to Idaho Falls

Our best Delta deals on Colorado to Idaho Falls flight tickets
Delta
Aug 27
DEN6:28 pmDenver Intl
4h 04m
1 stop
IDA10:32 pmIdaho Falls Fanning Field
Aug 30
IDA6:00 amIdaho Falls Fanning Field
3h 14m
1 stop
DEN9:14 amDenver Intl
$279
Delta
Oct 15
DEN7:56 amDenver Intl
4h 26m
1 stop
IDA12:22 pmIdaho Falls Fanning Field
Oct 18
IDA6:56 pmIdaho Falls Fanning Field
3h 44m
1 stop
DEN10:40 pmDenver Intl
$324
Delta
Aug 11
DEN3:56 pmDenver Intl
6h 36m
1 stop
IDA10:32 pmIdaho Falls Fanning Field
Aug 18
IDA7:00 pmIdaho Falls Fanning Field
3h 55m
1 stop
DEN10:55 pmDenver Intl
$339

momondo Fare Finder

 
Customize your flight search to find flights from Colorado 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, momondo users made 832,500 searches. Data last updated August 8, 2026.
Use the filters below to find and compare flights from Colorado to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Fri 8/28

8:05 am-9:51 am

Nonstop1h 46m

Idaho Falls Fanning Field

Mon 8/31

5:53 pm-7:45 pm

Nonstop1h 52m

$259

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Wed 11/4

8:00 am-9:53 am

Nonstop1h 53m

Idaho Falls Fanning Field

Sat 11/7

4:30 pm-6:20 pm

Nonstop1h 50m

$259
Quickest round-trip

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Sat 12/5

7:45 am-9:28 am

Nonstop1h 43m

Idaho Falls Fanning Field

Sun 12/13

5:57 pm-7:40 pm

Nonstop1h 43m

$259

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Sat 9/5

11:50 am-1:29 pm

Nonstop1h 39m

Idaho Falls Fanning Field

Sat 9/12

4:04 pm-5:58 pm

Nonstop1h 54m

$259

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Thu 10/1

8:05 am-9:53 am

Nonstop1h 48m

Idaho Falls Fanning Field

Sat 10/10

5:51 pm-7:43 pm

Nonstop1h 52m

$259

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Thu 10/22

1:40 pm-3:24 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Sun 10/25

5:40 pm-7:30 pm

Nonstop1h 50m

$259

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Thu 10/15

11:45 am-1:24 pm

Nonstop1h 39m

Idaho Falls Fanning Field

Sun 10/18

4:05 pm-5:59 pm

Nonstop1h 54m

$259

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Thu 10/1

8:05 am-9:53 am

Nonstop1h 48m

Idaho Falls Fanning Field

Sun 10/4

4:05 pm-5:59 pm

Nonstop1h 54m

$259

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Wed 10/7

10:47 pm-9:12 am

1 stop10h 25m

Idaho Falls Fanning Field

Mon 10/12

9:33 pm-3:52 am

1 stop6h 19m

$265

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Thu 9/24

7:30 am-11:58 am

1 stop28h 28m

Idaho Falls Fanning Field

Mon 9/28

6:21 pm-11:44 pm

1 stop5h 23m

$265

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 Idaho Falls from

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

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 Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $249.

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Thursday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $279. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Monday is $410.

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

Our most recent data shows that the best time of day to fly to Idaho Falls is in the evening. Flights from Colorado to Idaho Falls during this time can be as low as $279. Try not to purchase tickets at noon because they tend to be around $379. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

There are 2 cabin classes available to choose from on Colorado to Idaho Falls 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 Colorado to Idaho Falls flights?

No. A direct flight is the cheapest option for a flight between Colorado to Idaho Falls.

Cheap Colorado to Idaho Falls flight deals and tips

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

Best Price Found

$268

Fastest flight time

1h 39m

Direct flights

Every day

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from Colorado in the past 72 hours is $268. The best round-trip flight deal from Colorado to Idaho Falls found on momondo in the last 72 hours is $281.
The fastest flight from Colorado to Idaho Falls takes 1h 39m
Direct flights go from Colorado to Idaho Falls every day.
There is 1 airport in Idaho Falls. From Colorado there are direct flights to Idaho Falls Fanning Field (IDA).
Search flight deals

Frequently asked questions about flying from Colorado to Idaho Falls

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

    Prices for flights from Colorado to Idaho Falls Fanning Field Airport refresh daily.

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

  • How old do you have to be to fly from Colorado to Idaho Falls Fanning Field 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 Colorado to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Colorado to Idaho Falls

Compare and see reviews for airlines that fly from Colorado to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $189Free CancellationRating
7.4
10,086 reviews
Search United Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

It is quick and easy to find Colorado to Idaho Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho Falls that suits you.

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

momondo does allow users to show only those flights to Idaho Falls from Colorado which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Idaho Falls from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Colorado to Idaho Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho Falls and let you know when they change.

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