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Cheap flights from Colorado to Idaho Falls from $114

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 8/20. 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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Find the cheapest flights from Colorado to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:29 pm - 10:47 am
DEN
-
IDA
12h 18m
1 stop
Multiple Airlines Logo
8:33 pm - 3:58 am
IDA
-
DEN
7h 25m
1 stop
$224Multiple Airlines
Thu, Aug 20 - Mon, Aug 31
Multiple Airlines Logo
6:45 am - 9:30 pm
DEN
-
IDA
14h 45m
1 stop
Multiple Airlines Logo
4:43 pm - 3:25 am
IDA
-
DEN
10h 42m
1 stop
$225Multiple Airlines
Fri, May 29 - Mon, Jun 1
Multiple Airlines Logo
6:10 am - 4:08 pm
DEN
-
IDA
9h 58m
1 stop
Multiple Airlines Logo
6:39 pm - 9:01 pm
IDA
-
DEN
26h 22m
1 stop
$243Multiple Airlines
Mon, Jun 8 - Mon, Jun 22
United Airlines Logo
7:45 am - 9:28 am
DEN
-
IDA
1h 43mnonstop
United Airlines Logo
2:35 pm - 4:19 pm
IDA
-
DEN
1h 44mnonstop
$249United Airlines
Wed, Nov 4 - Sun, Nov 8
Multiple Airlines Logo
6:10 am - 4:08 pm
DEN
-
IDA
9h 58m
1 stop
Multiple Airlines Logo
10:56 pm - 2:50 pm
IDA
-
DEN
15h 54m
2 stops
$250Multiple Airlines
Mon, Jun 8 - Mon, Jun 22
United Airlines Logo
3:35 pm - 5:16 pm
DEN
-
IDA
1h 41mnonstop
United Airlines Logo
4:04 pm - 5:58 pm
IDA
-
DEN
1h 54mnonstop
$263United Airlines
Sat, Sep 19 - Sat, Sep 26
United Airlines Logo
5:20 am - 9:53 am
DRO
-
IDA
4h 33m
1 stop
United Airlines Logo
5:57 pm - 10:05 pm
IDA
-
DRO
4h 08m
1 stop
$330United Airlines
Sat, Oct 24 - Wed, Oct 28
Delta Logo
6:20 pm - 10:31 pm
COS
-
IDA
4h 11m
1 stop
Delta Logo
7:00 pm - 10:42 pm
IDA
-
COS
3h 42m
1 stop
$483Delta
Tue, Jun 23 - Tue, Jun 30
Delta Logo
6:20 pm - 10:31 pm
COS
-
IDA
4h 11m
1 stop
Delta Logo
7:00 pm - 10:42 pm
IDA
-
COS
3h 42m
1 stop
$724Delta
Fri, Jun 26 - Sun, Jul 5
Delta Logo
6:20 pm - 10:31 pm
COS
-
IDA
4h 11m
1 stop
Delta Logo
11:25 am - 5:40 pm
IDA
-
COS
6h 15m
1 stop
$813Delta
Wed, Jun 17 - Fri, Jun 19

United Airlines flights from Colorado to Idaho Falls

Our best United Airlines deals on Colorado to Idaho Falls flight tickets
United Airlines
Nov 4
DEN7:45 amDenver Intl
1h 43m
IDA9:28 amIdaho Falls Fanning Field
Nov 8
IDA2:35 pmIdaho Falls Fanning Field
1h 44m
DEN4:19 pmDenver Intl
$249
United Airlines
Sep 19
DEN3:35 pmDenver Intl
1h 41m
IDA5:16 pmIdaho Falls Fanning Field
Sep 26
IDA4:04 pmIdaho Falls Fanning Field
1h 54m
DEN5:58 pmDenver Intl
$263
United Airlines
Jun 6
DEN8:05 amDenver Intl
1h 45m
IDA9:50 amIdaho Falls Fanning Field
Jun 13
IDA5:54 pmIdaho Falls Fanning Field
1h 51m
DEN7:45 pmDenver Intl
$268

Delta flights from Colorado to Idaho Falls

Our best Delta deals on Colorado to Idaho Falls flight tickets
Delta
Jun 6
DEN5:30 amDenver Intl
5h 17m
1 stop
IDA10:47 amIdaho Falls Fanning Field
Jun 13
IDA6:00 amIdaho Falls Fanning Field
3h 18m
1 stop
DEN9:18 amDenver Intl
$269
Delta
Jun 6
DEN5:30 amDenver Intl
5h 17m
1 stop
IDA10:47 amIdaho Falls Fanning Field
Jun 13
IDA6:00 amIdaho Falls Fanning Field
3h 18m
1 stop
DEN9:18 amDenver Intl
$279
Delta
Jun 5
DEN5:30 amDenver Intl
5h 17m
1 stop
IDA10:47 amIdaho Falls Fanning Field
Jun 17
IDA6:00 amIdaho Falls Fanning Field
3h 18m
1 stop
DEN9:18 amDenver Intl
$284

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 May 11, 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 8/20

10:29 pm-10:47 am

1 stop12h 18m

Idaho Falls Fanning Field

Mon 8/31

8:33 pm-3:58 am

1 stop7h 25m

$224

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 5/29

6:45 am-9:30 pm

1 stop14h 45m

Idaho Falls Fanning Field

Mon 6/1

4:43 pm-3:25 am

1 stop10h 42m

$225

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 6/8

6:10 am-4:08 pm

1 stop9h 58m

Idaho Falls Fanning Field

Mon 6/22

6:39 pm-9:01 pm

1 stop26h 22m

$243
Quickest round-trip

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 11/4

7:45 am-9:28 am

Nonstop1h 43m

Idaho Falls Fanning Field

Sun 11/8

2:35 pm-4:19 pm

Nonstop1h 44m

$249

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 6/8

6:10 am-4:08 pm

1 stop9h 58m

Idaho Falls Fanning Field

Mon 6/22

10:56 pm-2:50 pm

2 stops15h 54m

$250

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sat 9/19

3:35 pm-5:16 pm

Nonstop1h 41m

Idaho Falls Fanning Field

Sat 9/26

4:04 pm-5:58 pm

Nonstop1h 54m

$263

DurangoIdaho Falls

DRO - IDA

DROIDA

Durango La Plata County

Sat 10/24

5:20 am-9:53 am

1 stop4h 33m

Idaho Falls Fanning Field

Wed 10/28

5:57 pm-10:05 pm

1 stop4h 08m

$330

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Tue 6/23

6:20 pm-10:31 pm

1 stop4h 11m

Idaho Falls Fanning Field

Tue 6/30

7:00 pm-10:42 pm

1 stop3h 42m

$483

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Fri 6/26

6:20 pm-10:31 pm

1 stop4h 11m

Idaho Falls Fanning Field

Sun 7/5

7:00 pm-10:42 pm

1 stop3h 42m

$724

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Wed 6/17

6:20 pm-10:31 pm

1 stop4h 11m

Idaho Falls Fanning Field

Fri 6/19

11:25 am-5:40 pm

1 stop6h 15m

$813

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 May, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $40.

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 $210. 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 $393.

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 $125. 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

Can stopping save me money on Colorado to Idaho Falls flights?

You could potentially save up to 7% on your flight if you consider stops on a Colorado to Idaho Falls flight.

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

$225

Fastest flight time

1h 43m

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 $225. The best round-trip flight deal from Colorado to Idaho Falls found on momondo in the last 72 hours is $349.
The fastest flight from Colorado to Idaho Falls takes 1h 43m
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
Allegiant AirPriceFrom $82Free CancellationRating
7.3
708 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,700 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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