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

The number of flights available between Idaho and Denver is 38 per day as of May 2026. The most frequent departure time is 2:00PM, with 55% of daily flights leaving in the afternoon.

How long does it take to fly to Denver?

Flight times vary depending on what airport in Idaho you fly out of and what airport in Denver you fly into. For example, flying from Idaho Falls to Denver takes 1h 43m on average. On the other hand, flying from Boise to Denver takes 1h 50m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Denver?

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to Denver from Idaho according to our data. United Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

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

269 flights are operational weekly from Idaho to Denver as of May 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

What is the cheapest airline that flies from Idaho to Denver Intl?

Frontier, Southwest, and Alaska Airlines are the most popular carriers operating from Idaho to Denver Intl

When did momondo last update prices for flights from Idaho to Denver Intl Airport?

Prices for flights from Idaho to Denver Intl Airport are updated daily.

How many operators does momondo search for flights from Idaho to Denver Intl Airport?

There are 6 operators available for flights from Idaho to Denver Intl Airport as of May 2026.

How old do you have to be to fly from Idaho to Denver Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The travel and health documents you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$70 Cheap Flights from Idaho to Denver in 2026

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Find the cheapest flights from Idaho to Denver

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:25 pm - 3:48 pm

BOI

DEN

2h 23mnonstop

10:29 am - 12:30 pm

DEN

BOI

2h 01mnonstop

$188Frontier

Tue, Jun 16 - Tue, Jun 23

1:24 pm - 3:30 pm

BOI

DEN

2h 06mnonstop

10:29 am - 12:29 pm

DEN

BOI

2h 00mnonstop

$192Frontier

Tue, Jul 21 - Tue, Jul 28

4:19 pm - 10:21 pm

BOI

DEN

6h 02m

1 stop

9:19 am - 11:28 am

DEN

BOI

2h 09mnonstop

$222Multiple Airlines

Tue, Oct 6 - Tue, Oct 20

5:54 pm - 7:45 pm

IDA

DEN

1h 51mnonstop

3:35 pm - 5:19 pm

DEN

IDA

1h 44mnonstop

$249United Airlines

Sat, Jun 13 - Sat, Jun 20

2:30 pm - 4:18 pm

IDA

DEN

1h 48mnonstop

8:05 am - 9:50 am

DEN

IDA

1h 45mnonstop

$257United Airlines

Thu, Jul 2 - Sun, Jul 5

7:00 pm - 10:41 pm

IDA

DEN

3h 41m

1 stop

7:00 pm - 10:31 pm

DEN

IDA

3h 31m

1 stop

$269Delta

Thu, Jul 2 - Sun, Jul 5

6:00 am - 9:18 am

IDA

DEN

3h 18m

1 stop

3:55 pm - 10:31 pm

DEN

IDA

6h 36m

1 stop

$284Delta

Tue, Jun 9 - Tue, Jun 16

7:03 am - 12:20 pm

GEG

DEN

28h 17m

1 stop

6:17 am - 10:49 pm

DEN

GEG

17h 32m

1 stop

$309Alaska Airlines

Tue, Aug 25 - Sat, Aug 29

10:56 pm - 9:30 am

IDA

DEN

10h 34m

1 stop

10:29 pm - 4:08 pm

DEN

IDA

17h 39m

1 stop

$311Multiple Airlines

Mon, Jun 22 - Thu, Jun 25

10:21 am - 6:10 pm

SUN

DEN

7h 49m

1 stop

5:41 pm - 9:46 am

DEN

SUN

16h 05m

1 stop

$379Alaska Airlines

Tue, Aug 25 - Thu, Sep 10

United Airlines flights from Idaho to Denver

Our best United Airlines deals on Idaho to Denver flight tickets

United Airlines

Jun 13

IDA5:54 pmIdaho Falls Fanning Field

1h 51m

DEN7:45 pmDenver Intl

Jun 20

DEN3:35 pmDenver Intl

1h 44m

IDA5:19 pmIdaho Falls Fanning Field

$249

United Airlines

Jul 2

IDA2:30 pmIdaho Falls Fanning Field

1h 48m

DEN4:18 pmDenver Intl

Jul 5

DEN8:05 amDenver Intl

1h 45m

IDA9:50 amIdaho Falls Fanning Field

$257

United Airlines

Aug 7

IDA5:54 pmIdaho Falls Fanning Field

1h 51m

DEN7:45 pmDenver Intl

Aug 8

DEN8:05 amDenver Intl

1h 45m

IDA9:50 amIdaho Falls Fanning Field

$279

Southwest flights from Idaho to Denver

Our best Southwest deals on Idaho to Denver flight tickets

Southwest

Jun 23

BOI2:05 pmBoise Air Term. Gowen Fld

6h 10m

1 stop

DEN8:15 pmDenver Intl

Jun 30

DEN5:30 pmDenver Intl

7h 00m

1 stop

BOI12:30 amBoise Air Term. Gowen Fld

$283

Southwest

Jun 23

BOI2:05 pmBoise Air Term. Gowen Fld

6h 10m

1 stop

DEN8:15 pmDenver Intl

Jun 30

DEN5:30 pmDenver Intl

6h 55m

2 stops

BOI12:25 amBoise Air Term. Gowen Fld

$288

Southwest

Oct 17

BOI2:35 pmBoise Air Term. Gowen Fld

1h 45m

DEN4:20 pmDenver Intl

Oct 19

DEN6:00 amDenver Intl

5h 05m

1 stop

BOI11:05 amBoise Air Term. Gowen Fld

$293

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 6/16

1:25 pm-3:48 pm

Nonstop2h 23m

Denver Intl

Tue 6/23

10:29 am-12:30 pm

Nonstop2h 01m

$188

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 7/21

1:24 pm-3:30 pm

Nonstop2h 06m

Denver Intl

Tue 7/28

10:29 am-12:29 pm

Nonstop2h 00m

$192

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 10/6

4:19 pm-10:21 pm

1 stop6h 02m

Denver Intl

Tue 10/20

9:19 am-11:28 am

Nonstop2h 09m

$222

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sat 6/13

5:54 pm-7:45 pm

Nonstop1h 51m

Denver Intl

Sat 6/20

3:35 pm-5:19 pm

Nonstop1h 44m

$249

Quickest round-trip

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Thu 7/2

2:30 pm-4:18 pm

Nonstop1h 48m

Denver Intl

Sun 7/5

8:05 am-9:50 am

Nonstop1h 45m

$257

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Thu 7/2

7:00 pm-10:41 pm

1 stop3h 41m

Denver Intl

Sun 7/5

7:00 pm-10:31 pm

1 stop3h 31m

$269

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Tue 6/9

6:00 am-9:18 am

1 stop3h 18m

Denver Intl

Tue 6/16

3:55 pm-10:31 pm

1 stop6h 36m

$284

SpokaneDenver

GEG - DEN

GEGDEN

Spokane

Tue 8/25

7:03 am-12:20 pm

1 stop28h 17m

Denver Intl

Sat 8/29

6:17 am-10:49 pm

1 stop17h 32m

$309

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Mon 6/22

10:56 pm-9:30 am

1 stop10h 34m

Denver Intl

Thu 6/25

10:29 pm-4:08 pm

1 stop17h 39m

$311

HaileyDenver

SUN - DEN

SUNDEN

Hailey Sun Valley-Friedman

Tue 8/25

10:21 am-6:10 pm

1 stop7h 49m

Denver Intl

Thu 9/10

5:41 pm-9:46 am

1 stop16h 05m

$379

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Denver

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 Denver?

The cheapest month to fly to Denver from Idaho is in January. Flight prices, which tend to average around $26, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until February to fly from Idaho, when ticket prices are also cheap, with an average price of $27.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $397. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Monday, with ticket prices averaging around $543.

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

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $242. Flights in the morning are often more expensive with an average ticket price of $472.

What is the cheapest Idaho to Denver Intl flight route?

Fly from Boise Air Term. Gowen Fld to Denver Intl for the best Idaho - Denver Intl flight prices

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

You are more likely to see cheaper flights to Denver from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $263 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Idaho for as low as $206 on momondo.

What cabin class options are available on Idaho to Denver flights?

There are 4 cabin classes available to choose from on Idaho to Denver 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 Idaho to Denver flights?

No. A direct flight is the cheapest option for a flight between Idaho to Denver.

Cheap Idaho to Denver flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Denver

Best Price Found	$185
Fastest flight time	1h 32m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Idaho in the past 72 hours is $185. The best round-trip flight deal from Idaho to Denver found on momondo in the last 72 hours is $384.

The fastest flight from Idaho to Denver takes 1h 32m

Direct flights go from Idaho to Denver every day.

There is 1 airport in Denver. From Idaho there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Idaho to Denver

When did momondo last update prices for flights from Idaho to Denver Intl Airport?
Prices for flights from Idaho to Denver Intl Airport are updated daily.
How many operators does momondo search for flights from Idaho to Denver Intl Airport?
There are 6 operators available for flights from Idaho to Denver Intl Airport as of May 2026.
How old do you have to be to fly from Idaho to Denver Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Idaho to Denver?
momondo data reveals that the most frequently booked plane model on the route from Idaho to Denver is Embraer 175 (Enhanced Winglets), representing 19.19% of all bookings. The subsequent popular models are Boeing 737-900 at 15.07%, Boeing 737-800 at 13.71%, and Boeing 737 MAX 8 at 11.29%.

Best airlines flying from Idaho to Denver

Compare and see reviews for airlines that fly from Idaho to Denver with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $54	Free Cancellation	Rating 5.6 2,932 reviews	Search Frontier flights
Allegiant Air	PriceFrom $80	Free Cancellation	Rating 7.3 710 reviews	Search Allegiant Air flights
Delta	PriceFrom $104	Free Cancellation	Rating 7.9 8,425 reviews	Search Delta flights
Alaska Airlines	PriceFrom $154	Free Cancellation	Rating 7.9 12,422 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $171	Free Cancellation	Rating 7.4 9,749 reviews	Search United Airlines flights
Southwest	PriceFrom $189	Free Cancellation	Rating 7.9 4,265 reviews	Search Southwest flights

Breckenridge

Estes Park

Black Hawk

Aurora

Fort Collins

Manitou Springs

Boulder

Longmont

Greeley

Lakewood

Keystone

Westminster

Cripple Creek

Thornton

Frisco

Centennial

Englewood

Winter Park

Grand Lake

Littleton

Why use momondo?

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

It is quick and easy to find Idaho to Denver 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 Denver that suits you.

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

All flight searches from Idaho to Denver on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho to Denver?

Once all potential Idaho to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Idaho to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.

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Airports servicing Colorado

Alamosa Airport

Aspen Pitkin County Airport

Cortez Montezuma County Airport

Colorado Springs Airport

Durango La Plata County Airport

Vail Eagle County Airport

Grand Junction Regnl Airport

Gunnison Airport

Hayden Yampa Valley Airport

Montrose County Airport

Telluride Airport

Cheap flights from Idaho to Denver from $70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Denver 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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United Airlines flights from Idaho to Denver

Our best United Airlines deals on Idaho to Denver flight tickets

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Our best Southwest deals on Idaho to Denver flight tickets

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How to get the cheapest flight ticket from Idaho to Denver

What is the cheapest month to fly to Denver?

What is the cheapest day to depart on your flight to Denver?

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

What is the cheapest Idaho to Denver Intl flight route?

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

What cabin class options are available on Idaho to Denver flights?

Can stopping save me money on Idaho to Denver flights?

What is the cheapest airline that flies from Idaho to Denver Intl?

What airlines fly to Denver?

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

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

How long does it take to fly to Denver?

Cheap Idaho to Denver flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Denver

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

Frequently asked questions about flying from Idaho to Denver

Best airlines flying from Idaho to Denver

Compare and see reviews for airlines that fly from Idaho to Denver with momondo

Traveling to a place near Denver?

Why use momondo?

An easier way to manage your Denver 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 Colorado

Fly your favorite airline to Denver

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Denver

List of cabin classes available on flights landing in Denver. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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