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Cheap flights from Colorado to Idaho Falls from $88

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 12/7. 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
0 bags

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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
8:00 am - 9:56 amDEN-IDA
1h 56mnonstop
United Airlines Logo
4:19 pm - 6:13 pmIDA-DEN
1h 54mnonstop
$189United Airlines
Find Deal
Wed, Jan 14 - Sun, Jan 18
Delta Logo
6:22 pm - 10:37 pmDEN-IDA
4h 15m1 stop
Delta Logo
6:00 am - 9:29 amIDA-DEN
3h 29m1 stop
$209Delta
Find Deal
Sat, Dec 6 - Sat, Dec 13
United Airlines Logo
8:01 am - 9:48 amDEN-IDA
1h 47mnonstop
United Airlines Logo
7:00 am - 8:57 amIDA-DEN
1h 57mnonstop
$219United Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
United Airlines Logo
8:00 am - 9:58 amDEN-IDA
1h 58mnonstop
United Airlines Logo
4:05 pm - 5:59 pmIDA-DEN
1h 54mnonstop
$223United Airlines
Find Deal
Mon, Dec 22 - Fri, Dec 26
Multiple Airlines Logo
7:00 am - 6:07 pmDEN-IDA
11h 07m1 stop
Multiple Airlines Logo
7:58 pm - 3:58 amIDA-DEN
8h 00m1 stop
$234Multiple Airlines
Find Deal
Fri, Nov 28 - Mon, Dec 1
Multiple Airlines Logo
10:29 pm - 6:07 pmDEN-IDA
19h 38m1 stop
Multiple Airlines Logo
10:53 pm - 9:08 amIDA-DEN
10h 15m1 stop
$238Multiple Airlines
Find Deal
Thu, Nov 27 - Sun, Nov 30
American Airlines Logo
6:00 am - 1:27 pmDEN-IDA
7h 27m1 stop
American Airlines Logo
1:58 pm - 9:57 pmIDA-DEN
7h 59m1 stop
$269American Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
Alaska Airlines Logo
5:09 pm - 6:18 pmDEN-IDA
25h 09m1 stop
Alaska Airlines Logo
9:00 am - 11:35 pmIDA-DEN
14h 35m1 stop
$283Alaska Airlines
Find Deal
Mon, Feb 2 - Sat, Feb 7
Alaska Airlines Logo
6:45 am - 11:59 pmDEN-IDA
17h 14m1 stop
Alaska Airlines Logo
6:05 am - 11:59 pmIDA-DEN
17h 54m1 stop
$285Alaska Airlines
Find Deal
Wed, Dec 3 - Fri, Dec 5
American Airlines Logo
2:01 pm - 11:07 pmCOS-IDA
9h 06m2 stops
American Airlines Logo
7:00 am - 8:36 pmIDA-COS
13h 36m2 stops
$660American Airlines
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Tue, Mar 3 - Sat, Mar 7

United Airlines flights from Colorado to Idaho Falls

Our best United Airlines deals on Colorado to Idaho Falls flight tickets
United Airlines
Jan 14
DEN8:00 amDenver Intl
1h 56m
IDA9:56 amIdaho Falls Fanning Field
Jan 18
IDA4:19 pmIdaho Falls Fanning Field
1h 54m
DEN6:13 pmDenver Intl
$189
Find similar
United Airlines
Nov 20
DEN8:01 amDenver Intl
1h 47m
IDA9:48 amIdaho Falls Fanning Field
Nov 24
IDA7:00 amIdaho Falls Fanning Field
1h 57m
DEN8:57 amDenver Intl
$219
Find similar
United Airlines
Dec 22
DEN8:00 amDenver Intl
1h 58m
IDA9:58 amIdaho Falls Fanning Field
Dec 26
IDA4:05 pmIdaho Falls Fanning Field
1h 54m
DEN5:59 pmDenver Intl
$223
Find similar

Alaska Airlines flights from Colorado to Idaho Falls

Our best Alaska Airlines deals on Colorado to Idaho Falls flight tickets
Alaska Airlines
Feb 2
DEN5:09 pmDenver Intl
25h 09m
1 stop
IDA6:18 pmIdaho Falls Fanning Field
Feb 7
IDA9:00 amIdaho Falls Fanning Field
14h 35m
1 stop
DEN11:35 pmDenver Intl
$283
Find similar
Alaska Airlines
Dec 3
DEN6:45 amDenver Intl
17h 14m
1 stop
IDA11:59 pmIdaho Falls Fanning Field
Dec 5
IDA6:05 amIdaho Falls Fanning Field
17h 54m
1 stop
DEN11:59 pmDenver Intl
$285
Find similar
Alaska Airlines
Feb 2
DEN11:49 amDenver Intl
30h 29m
2 stops
IDA6:18 pmIdaho Falls Fanning Field
Feb 7
IDA9:00 amIdaho Falls Fanning Field
7h 13m
1 stop
DEN4:13 pmDenver Intl
$288
Find similar

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 November 6, 2025.
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

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 1/14

8:00 am-9:56 am

Nonstop1h 56m

Idaho Falls Fanning Field

Sun 1/18

4:19 pm-6:13 pm

Nonstop1h 54m

$189

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sat 12/6

6:22 pm-10:37 pm

1 stop4h 15m

Idaho Falls Fanning Field

Sat 12/13

6:00 am-9:29 am

1 stop3h 29m

$209

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 11/20

8:01 am-9:48 am

Nonstop1h 47m

Idaho Falls Fanning Field

Mon 11/24

7:00 am-8:57 am

Nonstop1h 57m

$219

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 12/22

8:00 am-9:58 am

Nonstop1h 58m

Idaho Falls Fanning Field

Fri 12/26

4:05 pm-5:59 pm

Nonstop1h 54m

$223

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 11/28

7:00 am-6:07 pm

1 stop11h 07m

Idaho Falls Fanning Field

Mon 12/1

7:58 pm-3:58 am

1 stop8h 00m

$234

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 11/27

10:29 pm-6:07 pm

1 stop19h 38m

Idaho Falls Fanning Field

Sun 11/30

10:53 pm-9:08 am

1 stop10h 15m

$238

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 12/10

6:00 am-1:27 pm

1 stop7h 27m

Idaho Falls Fanning Field

Sun 12/14

1:58 pm-9:57 pm

1 stop7h 59m

$269

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 2/2

5:09 pm-6:18 pm

1 stop25h 09m

Idaho Falls Fanning Field

Sat 2/7

9:00 am-11:35 pm

1 stop14h 35m

$283

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 12/3

6:45 am-11:59 pm

1 stop17h 14m

Idaho Falls Fanning Field

Fri 12/5

6:05 am-11:59 pm

1 stop17h 54m

$285

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Tue 3/3

2:01 pm-11:07 pm

2 stops9h 06m

Idaho Falls Fanning Field

Sat 3/7

7:00 am-8:36 pm

2 stops13h 36m

$660

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 June, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $116.

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 $208. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $427.

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 afternoon. Flights from Colorado to Idaho Falls during this time can be as low as $222. Try not to purchase tickets at noon because they tend to be around $329. 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

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

You are more likely to see cheaper flights to Idaho Falls from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho Falls for around $298 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho Falls from Colorado for as low as $63 on momondo.

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

There are 3 cabin classes available to choose from on Colorado to Idaho Falls Fanning Field 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

$158

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 $158. The best round-trip flight deal from Colorado to Idaho Falls found on momondo in the last 72 hours is $249.
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 near Idaho Falls: Idaho Falls Fanning Field (IDA)
Search flight deals

  • 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
Allegiant AirPriceFrom $44Free CancellationRating
7.2
697 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
9,007 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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