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

Alaska Airlines, United Airlines, and Frontier are the most popular carriers operating from Arizona to Denver Intl

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

As of December 2025, there are 430 flights per week flying from Arizona to Denver. The most common day of the week flights depart is Thu, with 21% of flights taking off on this day.

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

As of December 2025, there are 61 flights per day flying from Arizona to Denver. The most common time of day flights depart is 5:00PM, with 46% of flights taking off in the afternoon.

How long does it take to fly to Denver?

Flight times vary depending on what airport in Arizona you fly out of and what airport in Denver you fly into. For example, flying from Phoenix to Denver takes 1h 44m on average. On the other hand, flying from Tucson 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?

Frontier, Southwest and United Airlines are the top three most popular airlines that fly to Denver from Arizona according to our data. Frontier is the first choice among our users, with 61% 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.

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

Prices for flights from Arizona to Denver Intl Airport refresh daily.

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

The number of operators available for flights from Arizona to Denver Intl Airport is 5 as of December 2025.

How old do you have to be to fly from Arizona 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 Arizona 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.

$33 Cheap Flights from Arizona to Denver in 2025/26

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Find the cheapest flights from Arizona to Denver

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:51 pm - 12:42 am

PHX

DEN

1h 51mnonstop

7:32 pm - 9:41 pm

DEN

PHX

2h 09mnonstop

$66Frontier

Thu, Feb 12 - Sun, Feb 15

8:52 am - 10:49 am

PHX

DEN

1h 57mnonstop

7:20 pm - 9:29 pm

DEN

PHX

2h 09mnonstop

$67Frontier

Fri, Feb 13 - Mon, Feb 16

6:25 pm - 8:20 pm

PHX

DEN

1h 55mnonstop

9:20 pm - 11:29 pm

DEN

PHX

2h 09mnonstop

$68Frontier

Mon, Jan 12 - Sat, Jan 17

9:18 am - 11:16 am

PHX

DEN

1h 58mnonstop

9:50 am - 12:06 pm

DEN

PHX

2h 16mnonstop

$69Frontier

Thu, Jan 15 - Sun, Jan 18

1:53 pm - 10:30 am

LAS

DEN

19h 37m1 stop

6:13 pm - 7:23 pm

DEN

LAS

2h 10mnonstop

$95Multiple Airlines

Tue, Jan 20 - Tue, Jan 27

5:32 pm - 7:30 pm

TUS

DEN

1h 58mnonstop

7:45 am - 10:04 am

DEN

TUS

2h 19mnonstop

$177United Airlines

Thu, Feb 19 - Sun, Feb 22

8:50 pm - 6:08 pm

TUS

DEN

21h 18m2 stops

10:01 am - 4:34 pm

DEN

TUS

6h 33m1 stop

$179Multiple Airlines

Fri, Jan 23 - Sun, Jan 25

5:39 pm - 7:40 pm

PRC

DEN

2h 01mnonstop

8:05 am - 10:10 am

DEN

PRC

2h 05mnonstop

$296United Airlines

Wed, Jan 21 - Wed, Jan 28

1:16 pm - 6:13 pm

FLG

DEN

4h 57m1 stop

7:42 am - 12:46 pm

DEN

FLG

5h 04m1 stop

$306American Airlines

Fri, Feb 13 - Mon, Feb 16

6:05 pm - 10:30 pm

FLG

DEN

4h 25m1 stop

11:43 am - 5:31 pm

DEN

FLG

5h 48m1 stop

$366American Airlines

Thu, Jan 8 - Mon, Jan 12

Frontier flights from Arizona to Denver

Our best Frontier deals on Arizona to Denver flight tickets

Frontier

Feb 12

PHX10:51 pmPhoenix Sky Harbor Intl

1h 51m

DEN12:42 amDenver Intl

Feb 15

DEN7:32 pmDenver Intl

2h 09m

PHX9:41 pmPhoenix Sky Harbor Intl

$66

Find similar

Frontier

Dec 31

PHX9:31 amPhoenix Sky Harbor Intl

1h 55m

DEN11:26 amDenver Intl

Jan 28

DEN5:11 pmDenver Intl

2h 08m

PHX7:19 pmPhoenix Sky Harbor Intl

$67

Find similar

Frontier

Jan 15

PHX7:34 pmPhoenix Sky Harbor Intl

1h 54m

DEN9:28 pmDenver Intl

Jan 18

DEN11:50 amDenver Intl

2h 13m

PHX2:03 pmPhoenix Sky Harbor Intl

$69

Find similar

United Airlines flights from Arizona to Denver

Our best United Airlines deals on Arizona to Denver flight tickets

United Airlines

Feb 13

TUS5:32 pmTucson

1h 58m

DEN7:30 pmDenver Intl

Feb 15

DEN7:45 pmDenver Intl

2h 10m

TUS9:55 pmTucson

$177

Find similar

United Airlines

Jan 20

TUS10:41 amTucson

2h 08m

DEN12:49 pmDenver Intl

Jan 27

DEN7:45 amDenver Intl

2h 15m

TUS10:00 amTucson

$255

Find similar

United Airlines

Jan 27

TUS8:15 amTucson

2h 10m

DEN10:25 amDenver Intl

Feb 5

DEN7:45 amDenver Intl

2h 15m

TUS10:00 amTucson

$264

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 2/12

10:51 pm-12:42 am

Nonstop1h 51m

Denver Intl

Sun 2/15

7:32 pm-9:41 pm

Nonstop2h 09m

$66

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 2/13

8:52 am-10:49 am

Nonstop1h 57m

Denver Intl

Mon 2/16

7:20 pm-9:29 pm

Nonstop2h 09m

$67

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Mon 1/12

6:25 pm-8:20 pm

Nonstop1h 55m

Denver Intl

Sat 1/17

9:20 pm-11:29 pm

Nonstop2h 09m

$68

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 1/15

9:18 am-11:16 am

Nonstop1h 58m

Denver Intl

Sun 1/18

9:50 am-12:06 pm

Nonstop2h 16m

$69

Las VegasDenver

LAS - DEN

LASDEN

Las Vegas Harry Reid Intl

Tue 1/20

1:53 pm-10:30 am

1 stop19h 37m

Denver Intl

Tue 1/27

6:13 pm-7:23 pm

Nonstop2h 10m

$95

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Thu 2/19

5:32 pm-7:30 pm

Nonstop1h 58m

Denver Intl

Sun 2/22

7:45 am-10:04 am

Nonstop2h 19m

$177

TucsonDenver

TUS - DEN

TUSDEN

Tucson

Fri 1/23

8:50 pm-6:08 pm

2 stops21h 18m

Denver Intl

Sun 1/25

10:01 am-4:34 pm

1 stop6h 33m

$179

PrescottDenver

PRC - DEN

PRCDEN

Prescott

Wed 1/21

5:39 pm-7:40 pm

Nonstop2h 01m

Denver Intl

Wed 1/28

8:05 am-10:10 am

Nonstop2h 05m

$296

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Fri 2/13

1:16 pm-6:13 pm

1 stop4h 57m

Denver Intl

Mon 2/16

7:42 am-12:46 pm

1 stop5h 04m

$306

FlagstaffDenver

FLG - DEN

FLGDEN

Flagstaff Pulliam

Thu 1/8

6:05 pm-10:30 pm

1 stop4h 25m

Denver Intl

Mon 1/12

11:43 am-5:31 pm

1 stop5h 48m

$366

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Arizona 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 Arizona is in February. Flight prices, which tend to average around $104, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until January to fly from Arizona, when ticket prices are also cheap, with an average price of $122.

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 $235. 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 $310.

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 $193. Flights at noon are often more expensive with an average ticket price of $541.

What is the cheapest Arizona to Denver Intl flight route?

Fly from Phoenix Sky Harbor Intl to Denver Intl for the best Arizona - 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 Arizona when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $166 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Arizona for as low as $136 on momondo.

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

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

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

Cheap Arizona to Denver flight deals and tips

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

Best Price Found	$112
Fastest flight time	1h 44m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Arizona in the past 72 hours is $112. The best round-trip flight deal from Arizona to Denver found on momondo in the last 72 hours is $159.

The fastest flight from Arizona to Denver takes 1h 44m

Direct flights go from Arizona to Denver every day.

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

Search flight deals

When did momondo last update prices for flights from Arizona to Denver Intl Airport?
Prices for flights from Arizona to Denver Intl Airport refresh daily.
How many operators does momondo search for flights from Arizona to Denver Intl Airport?
The number of operators available for flights from Arizona to Denver Intl Airport is 5 as of December 2025.
How old do you have to be to fly from Arizona 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 Arizona 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 Arizona to Denver?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Arizona to Denver is Airbus A321neo (14.52% of total bookings). The next most popular plane models are Boeing 737-800 (14.02%), Boeing 737 MAX 8 (11.59%), and Airbus A320neo (9.77%).

Best airlines flying from Arizona to Denver

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $37	Free Cancellation	Rating 5.8 3,070 reviews	Search Frontier flights
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 8,013 reviews	Search Delta flights
American Airlines	PriceFrom $137	Free Cancellation	Rating 7.2 11,062 reviews	Search American Airlines flights
United Airlines	PriceFrom $138	Free Cancellation	Rating 7.4 9,115 reviews	Search United Airlines flights
Southwest	PriceFrom $153	Free Cancellation	Rating 8.0 4,258 reviews	Search Southwest flights

Breckenridge

Estes Park

Black Hawk

Aurora

Fort Collins

Keystone

Cripple Creek

Manitou Springs

Longmont

Boulder

Greeley

Lakewood

Thornton

Westminster

Winter Park

Copper Mountain

Frisco

Silverthorne

Centennial

Grand Lake

Why use momondo?

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

It is quick and easy to find Arizona 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 Arizona to Denver with flexible booking policies on momondo?

Flights from Arizona to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Arizona 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 Arizona to Denver right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Denver, momondo offers a useful price alert feature which will track prices for flights to Denver from Arizona and alert you 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 Arizona to Denver from $33

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Arizona to Denver departing on 2/20. 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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Find the cheapest flights from Arizona to Denver

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Frontier flights from Arizona to Denver

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How to get the cheapest flight ticket from Arizona to Denver

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 $235. 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 $310.

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 $193. Flights at noon are often more expensive with an average ticket price of $541.

What is the cheapest Arizona to Denver Intl flight route?

Fly from Phoenix Sky Harbor Intl to Denver Intl for the best Arizona - Denver Intl flight prices

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

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

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

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

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

Alaska Airlines, United Airlines, and Frontier are the most popular carriers operating from Arizona to Denver Intl

What airlines fly to Denver?

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

As of December 2025, there are 61 flights per day flying from Arizona to Denver. The most common time of day flights depart is 5:00PM, with 46% of flights taking off in the afternoon.

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

As of December 2025, there are 430 flights per week flying from Arizona to Denver. The most common day of the week flights depart is Thu, with 21% of flights taking off on this day.

How long does it take to fly to Denver?

Cheap Arizona to Denver flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

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

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

How old do you have to be to fly from Arizona 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 Arizona to Denver?

Best airlines flying from Arizona to Denver

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

Traveling to a place near Denver?

Why use momondo?

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

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

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

I’m not ready to book a flight from Arizona 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