How long does it take to fly to Idaho Falls?

If you’re flying from a popular airport in Colorado, such as Denver or Colorado Springs, and flying into Idaho Falls, then you can expect flight times to average 1h 27m and 3h 40m, respectively.

How many flights depart from Colorado to Idaho Falls on average per week?

As of August 2025, 45 flights take off from Colorado and land in Idaho Falls each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

What is the cheapest airline that flies from Colorado to Idaho Falls Fanning Field?

Allegiant Air, American Airlines, and Alaska Airlines are the most popular carriers operating from Colorado to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

United Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Idaho Falls from Colorado according to our data. United Airlines is the first choice among our users, with 91% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

How many flights depart from Colorado to Idaho Falls on average per day?

The number of flights available between Colorado and Idaho Falls is 6 per day as of August 2025. The most frequent departure time is 9:00PM, with 38% of daily flights leaving in the evening.

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?

There are 2 operators available for flights from Colorado to Idaho Falls Fanning Field Airport as of August 2025.

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.

$84 Cheap Flights from Colorado to Idaho Falls in 2025

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Find the cheapest flights from Colorado to Idaho Falls

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:24 pm - 5:06 pmDEN-IDA

1h 42mnonstop

5:51 pm - 7:39 pmIDA-DEN

1h 48mnonstop

$84Allegiant Air

Find Deal

Thu, Aug 21 - Sun, Aug 24

3:24 pm - 5:06 pmDEN-IDA

1h 42mnonstop

5:51 pm - 7:39 pmIDA-DEN

1h 48mnonstop

$92Allegiant Air

Find Deal

Thu, Aug 28 - Sun, Aug 31

8:00 am - 9:47 amDEN-IDA

1h 47mnonstop

4:00 pm - 5:46 pmIDA-DEN

1h 46mnonstop

$189United Airlines

Find Deal

Tue, Sep 16 - Sat, Sep 20

8:00 am - 9:47 amDEN-IDA

1h 47mnonstop

2:35 pm - 4:20 pmIDA-DEN

1h 45mnonstop

$194United Airlines

Find Deal

Mon, Sep 15 - Mon, Sep 22

6:25 pm - 10:27 pmDEN-IDA

4h 02m1 stop

3:00 pm - 7:45 pmIDA-DEN

4h 45m1 stop

$209Delta

Find Deal

Wed, Sep 3 - Sat, Sep 6

5:45 am - 12:25 pmDEN-IDA

6h 40m1 stop

12:55 pm - 7:42 pmIDA-DEN

6h 47m1 stop

$211American Airlines

Find Deal

Fri, Oct 24 - Sat, Oct 25

6:25 pm - 10:20 pmDEN-IDA

3h 55m1 stop

6:05 am - 11:57 amIDA-DEN

5h 52m1 stop

$239Delta

Find Deal

Wed, Nov 19 - Sun, Nov 23

5:44 am - 12:59 pmDEN-IDA

7h 15m1 stop

6:44 am - 1:57 pmIDA-DEN

7h 13m1 stop

$361American Airlines

Find Deal

Mon, Sep 22 - Tue, Sep 23

11:40 am - 3:20 pmDEN-IDA

27h 40m2 stops

3:57 pm - 10:02 pmIDA-DEN

6h 05m1 stop

$367Alaska Airlines

Find Deal

Fri, Sep 5 - Tue, Sep 16

1:23 pm - 11:59 pmDEN-IDA

10h 36m1 stop

3:50 pm - 10:35 amIDA-DEN

18h 45m2 stops

$371Alaska Airlines

Find Deal

Wed, Nov 5 - Sun, Nov 9

American Airlines flights from Colorado to Idaho Falls

Our best American Airlines deals on Colorado to Idaho Falls flight tickets

American Airlines

Oct 24

DEN5:45 amDenver Intl

6h 40m

1 stop

IDA12:25 pmIdaho Falls Fanning Field

Oct 25

IDA12:55 pmIdaho Falls Fanning Field

6h 47m

1 stop

DEN7:42 pmDenver Intl

$211

Find similar

American Airlines

Sep 22

DEN5:44 amDenver Intl

7h 15m

1 stop

IDA12:59 pmIdaho Falls Fanning Field

Sep 23

IDA6:44 amIdaho Falls Fanning Field

7h 13m

1 stop

DEN1:57 pmDenver Intl

$361

Find similar

American Airlines

Sep 4

DEN12:41 pmDenver Intl

8h 44m

1 stop

IDA9:25 pmIdaho Falls Fanning Field

Sep 8

IDA1:35 pmIdaho Falls Fanning Field

6h 12m

1 stop

DEN7:47 pmDenver Intl

$396

Find similar

Alaska Airlines flights from Colorado to Idaho Falls

Our best Alaska Airlines deals on Colorado to Idaho Falls flight tickets

Alaska Airlines

Sep 5

DEN11:40 amDenver Intl

27h 40m

2 stops

IDA3:20 pmIdaho Falls Fanning Field

Sep 16

IDA3:57 pmIdaho Falls Fanning Field

6h 05m

1 stop

DEN10:02 pmDenver Intl

$367

Find similar

Alaska Airlines

Nov 5

DEN1:23 pmDenver Intl

10h 36m

1 stop

IDA11:59 pmIdaho Falls Fanning Field

Nov 9

IDA3:50 pmIdaho Falls Fanning Field

18h 45m

2 stops

DEN10:35 amDenver Intl

$371

Find similar

Alaska Airlines

Dec 10

DEN12:30 pmDenver Intl

10h 08m

2 stops

IDA10:38 pmIdaho Falls Fanning Field

Dec 14

IDA8:00 amIdaho Falls Fanning Field

27h 39m

1 stop

DEN11:39 amDenver Intl

$372

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 8/21

3:24 pm-5:06 pm

Nonstop1h 42m

Idaho Falls Fanning Field

Sun 8/24

5:51 pm-7:39 pm

Nonstop1h 48m

$84

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 8/28

3:24 pm-5:06 pm

Nonstop1h 42m

Idaho Falls Fanning Field

Sun 8/31

5:51 pm-7:39 pm

Nonstop1h 48m

$92

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 9/16

8:00 am-9:47 am

Nonstop1h 47m

Idaho Falls Fanning Field

Sat 9/20

4:00 pm-5:46 pm

Nonstop1h 46m

$189

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 9/15

8:00 am-9:47 am

Nonstop1h 47m

Idaho Falls Fanning Field

Mon 9/22

2:35 pm-4:20 pm

Nonstop1h 45m

$194

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 9/3

6:25 pm-10:27 pm

1 stop4h 02m

Idaho Falls Fanning Field

Sat 9/6

3:00 pm-7:45 pm

1 stop4h 45m

$209

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 10/24

5:45 am-12:25 pm

1 stop6h 40m

Idaho Falls Fanning Field

Sat 10/25

12:55 pm-7:42 pm

1 stop6h 47m

$211

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 11/19

6:25 pm-10:20 pm

1 stop3h 55m

Idaho Falls Fanning Field

Sun 11/23

6:05 am-11:57 am

1 stop5h 52m

$239

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 9/22

5:44 am-12:59 pm

1 stop7h 15m

Idaho Falls Fanning Field

Tue 9/23

6:44 am-1:57 pm

1 stop7h 13m

$361

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 9/5

11:40 am-3:20 pm

2 stops27h 40m

Idaho Falls Fanning Field

Tue 9/16

3:57 pm-10:02 pm

1 stop6h 05m

$367

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 11/5

1:23 pm-11:59 pm

1 stop10h 36m

Idaho Falls Fanning Field

Sun 11/9

3:50 pm-10:35 am

2 stops18h 45m

$371

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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

Prices

Airlines

Other information

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 $208.

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 $239. 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 $277. Try not to purchase tickets in the evening because they tend to be around $389. 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 $329 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 $131 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	$179
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 $179. The best round-trip flight deal from Colorado to Idaho Falls found on momondo in the last 72 hours is $84.

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 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?
There are 2 operators available for flights from Colorado to Idaho Falls Fanning Field Airport as of August 2025.
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?
momondo data reveals that the most frequently booked plane model on the route from Colorado to Idaho Falls is Canadair (Bombardier) Regional Jet, representing 34.25% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 700 at 32.60%, Airbus A320-100/200 at 19.34%, and Embraer 175 (Enhanced Winglets) at 6.63%.

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 Air	PriceFrom $44	Free Cancellation	Rating 7.2 701 reviews		Search Allegiant Air flights
United Airlines	PriceFrom $218	Free Cancellation	Rating 7.4 8,917 reviews		Search United Airlines flights

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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.

An easier way to manage your Idaho Falls trip

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Cheap flights from Colorado to Idaho Falls from $84

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Idaho Falls departing on 8/21. 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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American Airlines flights from Colorado to Idaho Falls

Our best American Airlines deals on Colorado to Idaho Falls flight tickets

Alaska Airlines flights from Colorado to Idaho Falls

Our best Alaska Airlines deals on Colorado to Idaho Falls flight tickets

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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 $208.

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

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

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?

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.

What is the cheapest airline that flies from Colorado to Idaho Falls Fanning Field?

Allegiant Air, American Airlines, and Alaska Airlines are the most popular carriers operating from Colorado to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

How many flights depart from Colorado to Idaho Falls on average per day?

The number of flights available between Colorado and Idaho Falls is 6 per day as of August 2025. The most frequent departure time is 9:00PM, with 38% of daily flights leaving in the evening.

How many flights depart from Colorado to Idaho Falls on average per week?

As of August 2025, 45 flights take off from Colorado and land in Idaho Falls each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

How long does it take to fly to Idaho Falls?

If you’re flying from a popular airport in Colorado, such as Denver or Colorado Springs, and flying into Idaho Falls, then you can expect flight times to average 1h 27m and 3h 40m, respectively.

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

Fastest flight time

Direct flights

Airports in Idaho Falls

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

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?

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

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

Traveling to a place near Idaho Falls?

Why use momondo?

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

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

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

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

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Idaho