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Cheap flights from Colorado to Idaho Falls from $129

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 5/4. 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 - 9:53 am
DEN
-
IDA
1h 43mnonstop
United Airlines Logo
5:20 pm - 7:10 pm
IDA
-
DEN
1h 50mnonstop
$249United Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
9:10 am - 3:27 pm
DEN
-
IDA
30h 17m
2 stops
Multiple Airlines Logo
10:21 pm - 3:59 am
IDA
-
DEN
5h 38m
1 stop
$253Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
7:05 pm - 3:27 pm
DEN
-
IDA
20h 22m
1 stop
Multiple Airlines Logo
10:21 pm - 3:59 am
IDA
-
DEN
5h 38m
1 stop
$254Multiple Airlines
Thu, Apr 9 - Mon, Apr 13
Multiple Airlines Logo
9:10 am - 3:27 pm
DEN
-
IDA
30h 17m
2 stops
Multiple Airlines Logo
10:21 pm - 11:05 am
IDA
-
DEN
12h 44m
1 stop
$258Multiple Airlines
Thu, Apr 9 - Mon, Apr 13
Multiple Airlines Logo
9:10 am - 9:31 pm
DEN
-
IDA
12h 21m
2 stops
Multiple Airlines Logo
10:21 pm - 12:09 am
IDA
-
DEN
25h 48m
1 stop
$259Multiple Airlines
Fri, May 1 - Mon, May 4
United Airlines Logo
8:10 am - 9:53 am
DEN
-
IDA
1h 43mnonstop
United Airlines Logo
5:20 pm - 7:10 pm
IDA
-
DEN
1h 50mnonstop
$264United Airlines
Tue, Apr 14 - Tue, Apr 21
Delta Logo
5:30 am - 10:47 am
DEN
-
IDA
5h 17m
1 stop
Delta Logo
6:00 am - 9:22 am
IDA
-
DEN
3h 22m
1 stop
$269Delta
Fri, May 15 - Sun, May 17
Multiple Airlines Logo
6:10 am - 4:08 pm
DEN
-
IDA
9h 58m
1 stop
Multiple Airlines Logo
10:56 pm - 9:30 am
IDA
-
DEN
10h 34m
1 stop
$281Multiple Airlines
Fri, Jun 19 - Mon, Jun 22
Delta Logo
6:27 pm - 10:40 pm
DEN
-
IDA
4h 13m
1 stop
Delta Logo
6:58 pm - 10:29 pm
IDA
-
DEN
3h 31m
1 stop
$284Delta
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
11:45 am - 1:25 pm
DEN
-
IDA
1h 40mnonstop
United Airlines Logo
5:54 pm - 7:45 pm
IDA
-
DEN
1h 51mnonstop
$293United Airlines
Fri, May 22 - Mon, May 25

United Airlines flights from Colorado to Idaho Falls

Our best United Airlines deals on Colorado to Idaho Falls flight tickets
United Airlines
Apr 16
DEN8:10 amDenver Intl
1h 43m
IDA9:53 amIdaho Falls Fanning Field
Apr 20
IDA5:20 pmIdaho Falls Fanning Field
1h 50m
DEN7:10 pmDenver Intl
$249
United Airlines
Apr 14
DEN8:10 amDenver Intl
1h 43m
IDA9:53 amIdaho Falls Fanning Field
Apr 21
IDA5:20 pmIdaho Falls Fanning Field
1h 50m
DEN7:10 pmDenver Intl
$264
United Airlines
May 22
DEN11:45 amDenver Intl
1h 40m
IDA1:25 pmIdaho Falls Fanning Field
May 25
IDA5:54 pmIdaho Falls Fanning Field
1h 51m
DEN7:45 pmDenver Intl
$293

Delta flights from Colorado to Idaho Falls

Our best Delta deals on Colorado to Idaho Falls flight tickets
Delta
May 15
DEN5:30 amDenver Intl
5h 17m
1 stop
IDA10:47 amIdaho Falls Fanning Field
May 17
IDA6:00 amIdaho Falls Fanning Field
3h 22m
1 stop
DEN9:22 amDenver Intl
$269
Delta
Apr 14
DEN6:27 pmDenver Intl
4h 13m
1 stop
IDA10:40 pmIdaho Falls Fanning Field
Apr 21
IDA6:58 pmIdaho Falls Fanning Field
3h 31m
1 stop
DEN10:29 pmDenver Intl
$284
Delta
Jun 3
DEN5:30 amDenver Intl
5h 17m
1 stop
IDA10:47 amIdaho Falls Fanning Field
Jun 7
IDA6:00 amIdaho Falls Fanning Field
3h 18m
1 stop
DEN9:18 amDenver Intl
$314

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 March 26, 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 - IDA

DENIDA

Denver Intl

Thu 4/16

8:10 am-9:53 am

Nonstop1h 43m

Idaho Falls Fanning Field

Mon 4/20

5:20 pm-7:10 pm

Nonstop1h 50m

$249

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 4/16

9:10 am-3:27 pm

2 stops30h 17m

Idaho Falls Fanning Field

Mon 4/20

10:21 pm-3:59 am

1 stop5h 38m

$253

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 4/9

7:05 pm-3:27 pm

1 stop20h 22m

Idaho Falls Fanning Field

Mon 4/13

10:21 pm-3:59 am

1 stop5h 38m

$254

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 4/9

9:10 am-3:27 pm

2 stops30h 17m

Idaho Falls Fanning Field

Mon 4/13

10:21 pm-11:05 am

1 stop12h 44m

$258

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 5/1

9:10 am-9:31 pm

2 stops12h 21m

Idaho Falls Fanning Field

Mon 5/4

10:21 pm-12:09 am

1 stop25h 48m

$259

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 4/14

8:10 am-9:53 am

Nonstop1h 43m

Idaho Falls Fanning Field

Tue 4/21

5:20 pm-7:10 pm

Nonstop1h 50m

$264

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 5/15

5:30 am-10:47 am

1 stop5h 17m

Idaho Falls Fanning Field

Sun 5/17

6:00 am-9:22 am

1 stop3h 22m

$269

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 6/19

6:10 am-4:08 pm

1 stop9h 58m

Idaho Falls Fanning Field

Mon 6/22

10:56 pm-9:30 am

1 stop10h 34m

$281

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 4/14

6:27 pm-10:40 pm

1 stop4h 13m

Idaho Falls Fanning Field

Tue 4/21

6:58 pm-10:29 pm

1 stop3h 31m

$284
Quickest round-trip

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 5/22

11:45 am-1:25 pm

Nonstop1h 40m

Idaho Falls Fanning Field

Mon 5/25

5:54 pm-7:45 pm

Nonstop1h 51m

$293

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 $118. Try not to purchase tickets at noon because they tend to be around $418. 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 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

$213

Fastest flight time

1h 40m

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 $213. The best round-trip flight deal from Colorado to Idaho Falls found on momondo in the last 72 hours is $279.
The fastest flight from Colorado to Idaho Falls takes 1h 40m
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
7.3
710 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,489 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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