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Cheap flights from Colorado to Idaho Falls from $99

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 5/12. 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
8:10 am - 9:56 am
DEN
-
IDA
1h 46mnonstop
United Airlines Logo
2:35 pm - 4:25 pm
IDA
-
DEN
1h 50mnonstop
$189United Airlines
Fri, Mar 6 - Fri, Mar 13
United Airlines Logo
8:00 am - 9:48 am
DEN
-
IDA
1h 48mnonstop
United Airlines Logo
5:33 pm - 7:25 pm
IDA
-
DEN
1h 52mnonstop
$204United Airlines
Sun, Feb 22 - Sat, Feb 28
United Airlines Logo
8:00 am - 9:48 am
DEN
-
IDA
1h 48mnonstop
United Airlines Logo
5:33 pm - 7:25 pm
IDA
-
DEN
1h 52mnonstop
$219United Airlines
Fri, Feb 20 - Tue, Feb 24
United Airlines Logo
8:10 am - 9:56 am
DEN
-
IDA
1h 46mnonstop
United Airlines Logo
5:30 pm - 7:22 pm
IDA
-
DEN
1h 52mnonstop
$248United Airlines
Fri, Mar 20 - Sat, Mar 21
United Airlines Logo
11:45 am - 1:30 pm
DEN
-
IDA
1h 45mnonstop
United Airlines Logo
5:30 pm - 7:22 pm
IDA
-
DEN
1h 52mnonstop
$249United Airlines
Thu, Mar 12 - Mon, Mar 16
Delta Logo
6:20 pm - 10:21 pm
DEN
-
IDA
4h 01m
1 stop
Delta Logo
5:25 am - 9:24 am
IDA
-
DEN
3h 59m
1 stop
$254Delta
Tue, Feb 24 - Tue, Mar 3
United Airlines Logo
11:45 am - 1:30 pm
DEN
-
IDA
1h 45mnonstop
United Airlines Logo
2:40 pm - 4:29 pm
IDA
-
DEN
1h 49mnonstop
$264United Airlines
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
6:30 am - 6:04 pm
DEN
-
IDA
11h 34m
1 stop
Multiple Airlines Logo
10:36 pm - 9:44 am
IDA
-
DEN
11h 08m
1 stop
$266Multiple Airlines
Sat, Mar 7 - Sat, Mar 14
Delta Logo
3:59 pm - 10:21 pm
DEN
-
IDA
6h 22m
1 stop
Delta Logo
5:25 am - 9:24 am
IDA
-
DEN
3h 59m
1 stop
$284Delta
Wed, Feb 25 - Sun, Mar 1
Delta Logo
12:00 pm - 5:49 pm
COS
-
IDA
5h 49m
1 stop
Delta Logo
5:25 am - 11:15 am
IDA
-
COS
5h 50m
1 stop
$429Delta
Mon, Feb 23 - Mon, Mar 2

Delta flights from Colorado to Idaho Falls

Our best Delta deals on Colorado to Idaho Falls flight tickets
Delta
May 12
DEN5:40 amDenver Intl
5h 07m
1 stop
IDA10:47 amIdaho Falls Fanning Field
May 16
IDA3:16 pmIdaho Falls Fanning Field
4h 28m
1 stop
DEN7:44 pmDenver Intl
$209
Delta
May 9
DEN5:40 amDenver Intl
5h 07m
1 stop
IDA10:47 amIdaho Falls Fanning Field
May 16
IDA3:16 pmIdaho Falls Fanning Field
4h 28m
1 stop
DEN7:44 pmDenver Intl
$224
Delta
Feb 24
DEN6:20 pmDenver Intl
4h 01m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
Mar 3
IDA5:25 amIdaho Falls Fanning Field
6h 35m
1 stop
DEN12:00 pmDenver Intl
$254

United Airlines flights from Colorado to Idaho Falls

Our best United Airlines deals on Colorado to Idaho Falls flight tickets
United Airlines
Mar 6
DEN8:10 amDenver Intl
1h 46m
IDA9:56 amIdaho Falls Fanning Field
Mar 13
IDA2:35 pmIdaho Falls Fanning Field
1h 50m
DEN4:25 pmDenver Intl
$189
United Airlines
Feb 22
DEN8:00 amDenver Intl
1h 48m
IDA9:48 amIdaho Falls Fanning Field
Feb 28
IDA5:33 pmIdaho Falls Fanning Field
1h 52m
DEN7:25 pmDenver Intl
$204
United Airlines
Feb 19
DEN8:00 amDenver Intl
1h 48m
IDA9:48 amIdaho Falls Fanning Field
Feb 23
IDA5:33 pmIdaho Falls Fanning Field
1h 52m
DEN7:25 pmDenver Intl
$219

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 February 7, 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

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 3/6

8:10 am-9:56 am

Nonstop1h 46m

Idaho Falls Fanning Field

Fri 3/13

2:35 pm-4:25 pm

Nonstop1h 50m

$189

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sun 2/22

8:00 am-9:48 am

Nonstop1h 48m

Idaho Falls Fanning Field

Sat 2/28

5:33 pm-7:25 pm

Nonstop1h 52m

$204

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 2/20

8:00 am-9:48 am

Nonstop1h 48m

Idaho Falls Fanning Field

Tue 2/24

5:33 pm-7:25 pm

Nonstop1h 52m

$219

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 3/20

8:10 am-9:56 am

Nonstop1h 46m

Idaho Falls Fanning Field

Sat 3/21

5:30 pm-7:22 pm

Nonstop1h 52m

$248

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 3/12

11:45 am-1:30 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Mon 3/16

5:30 pm-7:22 pm

Nonstop1h 52m

$249

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 2/24

6:20 pm-10:21 pm

1 stop4h 01m

Idaho Falls Fanning Field

Tue 3/3

5:25 am-9:24 am

1 stop3h 59m

$254

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 2/24

11:45 am-1:30 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Tue 3/3

2:40 pm-4:29 pm

Nonstop1h 49m

$264

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sat 3/7

6:30 am-6:04 pm

1 stop11h 34m

Idaho Falls Fanning Field

Sat 3/14

10:36 pm-9:44 am

1 stop11h 08m

$266

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 2/25

3:59 pm-10:21 pm

1 stop6h 22m

Idaho Falls Fanning Field

Sun 3/1

5:25 am-9:24 am

1 stop3h 59m

$284

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Mon 2/23

12:00 pm-5:49 pm

1 stop5h 49m

Idaho Falls Fanning Field

Mon 3/2

5:25 am-11:15 am

1 stop5h 50m

$429

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 Monday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Monday 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 $138. 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 $266 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 4 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

$198

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 $198. The best round-trip flight deal from Colorado to Idaho Falls found on momondo in the last 72 hours is $189.
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

  • 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 $40Free CancellationRating
7.2
710 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,246 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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