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

The number of flights available between Idaho and Denver is 33 per day as of November 2025. The most frequent departure time is 2:00PM, with 51% of daily flights leaving in the afternoon.

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

Frontier, United Airlines, and Delta are the most popular carriers operating from Idaho to Denver Intl

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 46m 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, Southwest and Frontier 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?

233 flights are operational weekly from Idaho to Denver as of November 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

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 November 2025.

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.

$26 Cheap Flights from Idaho to Denver in 2025/26

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One-way

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Cheap round-trip flights

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12:38 pm - 2:39 pmBOI-DEN

2h 01mnonstop

9:52 am - 11:59 amDEN-BOI

2h 07mnonstop

$121Frontier

Find Deal

Sun, Dec 21 - Sat, Dec 27

9:17 pm - 2:11 pmBOI-DEN

16h 54m1 stop

9:42 am - 11:49 amDEN-BOI

2h 07mnonstop

$131Multiple Airlines

Find Deal

Sun, Dec 7 - Sun, Dec 14

7:00 am - 6:33 pmBOI-DEN

11h 33m1 stop

9:52 am - 11:59 amDEN-BOI

2h 07mnonstop

$132Multiple Airlines

Find Deal

Fri, Feb 20 - Fri, Feb 27

5:15 am - 11:57 amGEG-DEN

5h 42m1 stop

6:29 am - 12:37 pmDEN-GEG

7h 08m1 stop

$137Delta

Find Deal

Sun, Jan 11 - Sun, Jan 18

5:45 am - 10:45 amBOI-DEN

5h 00m1 stop

10:05 am - 11:55 pmDEN-BOI

13h 50m1 stop

$176Alaska Airlines

Find Deal

Wed, Dec 10 - Tue, Dec 16

12:34 pm - 9:28 pmGEG-DEN

7h 54m1 stop

7:00 am - 12:44 pmDEN-GEG

6h 44m1 stop

$179Alaska Airlines

Find Deal

Wed, Dec 17 - Fri, Jan 9

5:05 am - 11:32 amGEG-DEN

5h 27m1 stop

7:45 pm - 12:11 amDEN-GEG

5h 26m1 stop

$185Delta

Find Deal

Fri, Dec 5 - Tue, Dec 9

3:16 pm - 9:23 pmGEG-DEN

5h 07m1 stop

6:45 pm - 11:59 pmDEN-GEG

6h 14m1 stop

$189Hawaiian Airlines

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Tue, Mar 3 - Wed, Mar 4

10:45 am - 12:41 pmIDA-DEN

1h 56mnonstop

7:20 pm - 9:14 pmDEN-IDA

1h 54mnonstop

$189United Airlines

Find Deal

Tue, Dec 23 - Sat, Dec 27

2:37 pm - 4:36 pmBOI-DEN

1h 59mnonstop

7:46 pm - 9:52 pmDEN-BOI

2h 06mnonstop

$202United Airlines

Find Deal

Sun, Jan 11 - Wed, Jan 14

Frontier flights from Idaho to Denver

Our best Frontier deals on Idaho to Denver flight tickets

Frontier

Dec 21

BOI12:38 pmBoise Air Term. Gowen Fld

2h 01m

DEN2:39 pmDenver Intl

Dec 27

DEN9:52 amDenver Intl

2h 07m

BOI11:59 amBoise Air Term. Gowen Fld

$121

Find similar

Frontier

Dec 21

BOI12:38 pmBoise Air Term. Gowen Fld

2h 01m

DEN2:39 pmDenver Intl

Dec 27

DEN9:52 amDenver Intl

2h 07m

BOI11:59 amBoise Air Term. Gowen Fld

$147

Find similar

Frontier

Dec 23

GEG12:02 pmSpokane

2h 42m

DEN3:44 pmDenver Intl

Dec 27

DEN9:36 amDenver Intl

2h 31m

GEG11:07 amSpokane

$164

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Delta flights from Idaho to Denver

Our best Delta deals on Idaho to Denver flight tickets

Delta

Jan 11

GEG5:15 amSpokane

5h 42m

1 stop

DEN11:57 amDenver Intl

Jan 18

DEN6:29 amDenver Intl

7h 08m

1 stop

GEG12:37 pmSpokane

$137

Find similar

Delta

Dec 5

GEG5:05 amSpokane

5h 27m

1 stop

DEN11:32 amDenver Intl

Dec 9

DEN7:45 pmDenver Intl

5h 26m

1 stop

GEG12:11 amSpokane

$185

Find similar

Delta

Dec 8

GEG6:05 amSpokane

7h 53m

2 stops

DEN2:58 pmDenver Intl

Dec 15

DEN7:45 pmDenver Intl

5h 26m

1 stop

GEG12:11 amSpokane

$190

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Fly from

Fly to

Route

Depart

Return

Price

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Sun 12/21

12:38 pm-2:39 pm

Nonstop2h 01m

Denver Intl

Sat 12/27

9:52 am-11:59 am

Nonstop2h 07m

$121

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Sun 12/7

9:17 pm-2:11 pm

1 stop16h 54m

Denver Intl

Sun 12/14

9:42 am-11:49 am

Nonstop2h 07m

$131

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Fri 2/20

7:00 am-6:33 pm

1 stop11h 33m

Denver Intl

Fri 2/27

9:52 am-11:59 am

Nonstop2h 07m

$132

SpokaneDenver

GEG - DEN

GEGDEN

Spokane

Sun 1/11

5:15 am-11:57 am

1 stop5h 42m

Denver Intl

Sun 1/18

6:29 am-12:37 pm

1 stop7h 08m

$137

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 12/10

5:45 am-10:45 am

1 stop5h 00m

Denver Intl

Tue 12/16

10:05 am-11:55 pm

1 stop13h 50m

$176

SpokaneDenver

GEG - DEN

GEGDEN

Spokane

Wed 12/17

12:34 pm-9:28 pm

1 stop7h 54m

Denver Intl

Fri 1/9

7:00 am-12:44 pm

1 stop6h 44m

$179

SpokaneDenver

GEG - DEN

GEGDEN

Spokane

Fri 12/5

5:05 am-11:32 am

1 stop5h 27m

Denver Intl

Tue 12/9

7:45 pm-12:11 am

1 stop5h 26m

$185

SpokaneDenver

GEG - DEN

GEGDEN

Spokane

Tue 3/3

3:16 pm-9:23 pm

1 stop5h 07m

Denver Intl

Wed 3/4

6:45 pm-11:59 pm

1 stop6h 14m

$189

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Tue 12/23

10:45 am-12:41 pm

Nonstop1h 56m

Denver Intl

Sat 12/27

7:20 pm-9:14 pm

Nonstop1h 54m

$189

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Sun 1/11

2:37 pm-4:36 pm

Nonstop1h 59m

Denver Intl

Wed 1/14

7:46 pm-9:52 pm

Nonstop2h 06m

$202

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 October. Flight prices, which tend to average around $187, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in October, then you should wait until August to fly from Idaho, when ticket prices are also cheap, with an average price of $221.

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 $437. 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 Sunday, with ticket prices averaging around $554.

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 $418. Flights in the morning are often more expensive with an average ticket price of $487.

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 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 $270 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 $174 on momondo.

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

There are 4 cabin classes available to choose from on Idaho to Denver Intl 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	$168
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 $168. The best round-trip flight deal from Idaho to Denver found on momondo in the last 72 hours is $316.

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

Direct flights go from Idaho to Denver every day.

There is 1 airport near Denver: Denver Intl (DEN)

Search flight deals

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 November 2025.
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 15.68% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 700 at 14.69%, Boeing 737-900 at 13.50%, and Boeing 737-700 Passenger/BBJ1 (winglets) at 9.01%.

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
Allegiant Air	PriceFrom $54	Free Cancellation	Rating 7.2 697 reviews	Search Allegiant Air flights
Frontier	PriceFrom $59	Free Cancellation	Rating 5.8 3,111 reviews	Search Frontier flights
Delta	PriceFrom $136	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
Alaska Airlines	PriceFrom $154	Free Cancellation	Rating 8.0 11,259 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $183	Free Cancellation	Rating 7.4 9,011 reviews	Search United Airlines flights
Southwest	PriceFrom $194	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights

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Aurora

Fort Collins

Keystone

Cripple Creek

Manitou Springs

Longmont

Boulder

Greeley

Lakewood

Thornton

Westminster

Winter Park

Copper Mountain

Silverthorne

Frisco

Centennial

Grand Lake

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.

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.

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Cheap flights from Idaho to Denver from $26

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 12/20. 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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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Idaho to Denver

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Frontier flights from Idaho to Denver

Our best Frontier deals on Idaho to Denver flight tickets

Delta flights from Idaho to Denver

Our best Delta deals on Idaho to Denver flight tickets

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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

What is the cheapest month to fly to Denver?

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 $437. 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 Sunday, with ticket prices averaging around $554.

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 $418. Flights in the morning are often more expensive with an average ticket price of $487.

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 to Denver?

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

There are 4 cabin classes available to choose from on Idaho to Denver Intl 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.

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

Frontier, United Airlines, and Delta are the most popular carriers operating from Idaho to Denver Intl

What airlines fly to Denver?

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

The number of flights available between Idaho and Denver is 33 per day as of November 2025. The most frequent departure time is 2:00PM, with 51% of daily flights leaving in the afternoon.

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

233 flights are operational weekly from Idaho to Denver as of November 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

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

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

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

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

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

What is the most popular plane model 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?

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

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

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

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

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