What is the cheapest airline that flies from Phoenix Sky Harbor Intl to Colorado?

Frontier, Denver Air Connection, and United Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to Colorado

What airlines fly to Colorado?

Frontier, Southwest and American Airlines are the top three most popular airlines that fly to Colorado from Phoenix Sky Harbor Intl Airport according to our data. Frontier is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 6 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Colorado?

As of December 2025, there are 6 operators available to choose from for flights from Phoenix Sky Harbor Intl Airport to Colorado.

How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Colorado?

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 Phoenix Sky Harbor Intl Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$38 Cheap Flights from Phoenix Sky Harbor Intl Airport to Colorado in 2025/26

Q: How many flights depart from Phoenix Sky Harbor Intl Airport to Colorado on average per day?

The number of flights available between Phoenix Sky Harbor Intl Airport and Colorado is 38 per day as of December 2025. The most frequent departure time is 4:00PM, with 50% of daily flights leaving in the afternoon.

Q: How many flights depart from Phoenix Sky Harbor Intl Airport to Colorado on average per week?

The number of flights available between Phoenix Sky Harbor Intl Airport and Colorado is 270 per week as of December 2025. The most frequent departure day is Thu, with 25% of weekly flights leaving on this day.

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Colorado

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:43 pm - 5:39 pm

PHX

DEN

1h 56mnonstop

5:11 pm - 7:19 pm

DEN

PHX

2h 08mnonstop

$67Frontier

Wed, Dec 24 - Wed, Jan 21

7:00 am - 8:55 am

PHX

DEN

1h 55mnonstop

11:27 am - 1:40 pm

DEN

PHX

2h 13mnonstop

$68Frontier

Thu, Jan 1 - Tue, Feb 3

12:10 pm - 2:00 pm

PHX

CEZ

1h 50mnonstop

9:45 am - 11:35 am

CEZ

PHX

1h 50mnonstop

$194Denver Air Connection

Tue, Jan 13 - Sat, Jan 17

8:30 am - 2:25 pm

PHX

HDN

5h 55m1 stop

1:32 pm - 6:06 pm

HDN

PHX

4h 34m1 stop

$211United Airlines

Wed, Jan 14 - Wed, Jan 21

10:40 am - 2:25 pm

PHX

HDN

3h 45m1 stop

1:32 pm - 10:40 pm

HDN

PHX

9h 08m2 stops

$216United Airlines

Wed, Jan 14 - Wed, Jan 21

12:50 pm - 2:30 pm

PHX

COS

1h 40mnonstop

12:00 pm - 2:05 pm

COS

PHX

2h 05mnonstop

$251Southwest

Tue, Feb 10 - Tue, Feb 17

12:10 pm - 2:00 pm

PHX

CEZ

1h 50mnonstop

9:45 am - 11:35 am

CEZ

PHX

1h 50mnonstop

$254Denver Air Connection

Wed, Dec 31 - Sun, Jan 4

7:05 am - 1:05 pm

PHX

COS

6h 00m1 stop

5:10 am - 7:10 am

COS

PHX

2h 00mnonstop

$260Southwest

Tue, Feb 10 - Tue, Feb 17

7:26 am - 2:03 pm

PHX

MTJ

6h 37m1 stop

2:53 pm - 8:36 pm

MTJ

PHX

5h 43m1 stop

$265American Airlines

Sat, Jan 24 - Sun, Jan 25

9:44 am - 11:14 am

PHX

DRO

1h 30mnonstop

8:20 am - 10:11 am

DRO

PHX

1h 51mnonstop

$321American Airlines

Tue, Mar 3 - Sat, Mar 7

Frontier flights from Phoenix Sky Harbor Intl Airport to Colorado

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Colorado flight tickets

Frontier

Jan 1

PHX3:43 pmPhoenix Sky Harbor Intl

1h 56m

DEN5:39 pmDenver Intl

Feb 3

DEN11:27 amDenver Intl

2h 13m

PHX1:40 pmPhoenix Sky Harbor Intl

$68

Find similar

Frontier

Jan 8

PHX9:16 amPhoenix Sky Harbor Intl

1h 55m

DEN11:11 amDenver Intl

Jan 13

DEN10:41 amDenver Intl

2h 15m

PHX12:56 pmPhoenix Sky Harbor Intl

$69

Find similar

Frontier

Dec 31

PHX7:00 amPhoenix Sky Harbor Intl

1h 55m

DEN8:55 amDenver Intl

Feb 1

DEN6:00 amDenver Intl

2h 12m

PHX8:12 amPhoenix Sky Harbor Intl

$72

Find similar

United Airlines flights from Phoenix Sky Harbor Intl Airport to Colorado

Our best United Airlines deals on Phoenix Sky Harbor Intl Airport to Colorado flight tickets

United Airlines

Dec 24

PHX12:59 pmPhoenix Sky Harbor Intl

1h 56m

DEN2:55 pmDenver Intl

Dec 25

DEN7:45 amDenver Intl

2h 09m

PHX9:54 amPhoenix Sky Harbor Intl

$137

Find similar

United Airlines

Jan 14

PHX8:30 amPhoenix Sky Harbor Intl

5h 55m

1 stop

HDN2:25 pmHayden Yampa Valley

Jan 21

HDN1:32 pmHayden Yampa Valley

4h 34m

1 stop

PHX6:06 pmPhoenix Sky Harbor Intl

$211

Find similar

United Airlines

Jan 14

PHX10:40 amPhoenix Sky Harbor Intl

3h 45m

1 stop

HDN2:25 pmHayden Yampa Valley

Jan 21

HDN1:32 pmHayden Yampa Valley

9h 08m

2 stops

PHX10:40 pmPhoenix Sky Harbor Intl

$216

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 12/24

3:43 pm-5:39 pm

Nonstop1h 56m

Denver Intl

Wed 1/21

5:11 pm-7:19 pm

Nonstop2h 08m

$67

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 1/1

7:00 am-8:55 am

Nonstop1h 55m

Denver Intl

Tue 2/3

11:27 am-1:40 pm

Nonstop2h 13m

$68

PhoenixCortez

PHX - CEZ

PHXCEZ

Phoenix Sky Harbor Intl

Tue 1/13

12:10 pm-2:00 pm

Nonstop1h 50m

Cortez Montezuma County

Sat 1/17

9:45 am-11:35 am

Nonstop1h 50m

$194

PhoenixHayden

PHX - HDN

PHXHDN

Phoenix Sky Harbor Intl

Wed 1/14

8:30 am-2:25 pm

1 stop5h 55m

Hayden Yampa Valley

Wed 1/21

1:32 pm-6:06 pm

1 stop4h 34m

$211

PhoenixHayden

PHX - HDN

PHXHDN

Phoenix Sky Harbor Intl

Wed 1/14

10:40 am-2:25 pm

1 stop3h 45m

Hayden Yampa Valley

Wed 1/21

1:32 pm-10:40 pm

2 stops9h 08m

$216

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Tue 2/10

12:50 pm-2:30 pm

Nonstop1h 40m

Colorado Springs

Tue 2/17

12:00 pm-2:05 pm

Nonstop2h 05m

$251

PhoenixCortez

PHX - CEZ

PHXCEZ

Phoenix Sky Harbor Intl

Wed 12/31

12:10 pm-2:00 pm

Nonstop1h 50m

Cortez Montezuma County

Sun 1/4

9:45 am-11:35 am

Nonstop1h 50m

$254

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Tue 2/10

7:05 am-1:05 pm

1 stop6h 00m

Colorado Springs

Tue 2/17

5:10 am-7:10 am

Nonstop2h 00m

$260

PhoenixMontrose

PHX - MTJ

PHXMTJ

Phoenix Sky Harbor Intl

Sat 1/24

7:26 am-2:03 pm

1 stop6h 37m

Montrose County

Sun 1/25

2:53 pm-8:36 pm

1 stop5h 43m

$265

PhoenixDurango

PHX - DRO

PHXDRO

Phoenix Sky Harbor Intl

Tue 3/3

9:44 am-11:14 am

Nonstop1h 30m

Durango La Plata County

Sat 3/7

8:20 am-10:11 am

Nonstop1h 51m

$321

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 Phoenix Sky Harbor Intl Airport to Colorado

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 Colorado?

The month of February is, on average, the cheapest month to fly to Colorado from Phoenix Sky Harbor Intl Airport, with most prices found around $103. The month of January is another great option to travel to Colorado, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $123.

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

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to Colorado is on a Friday when prices can be found for as low as $235. On the other hand, Monday is the most expensive day to depart from Phoenix Sky Harbor Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $311.

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

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $194. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $542 per ticket.

What is the cheapest Phoenix Sky Harbor Intl to Colorado flight route?

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

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

You are more likely to see cheaper flights to Colorado from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $166 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Phoenix Sky Harbor Intl Airport for as low as $136 on momondo.

What cabin class options are available on Phoenix Sky Harbor Intl to Colorado flights?

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to Colorado 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 Phoenix Sky Harbor Intl Airport to Colorado flights?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to Colorado.

Cheap Phoenix Sky Harbor Intl Airport to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Colorado

Best Price Found	$107
Fastest flight time	1h 30m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Phoenix Sky Harbor Intl Airport in the past 72 hours is $107. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Colorado found on momondo in the last 72 hours is $155.

The fastest flight from Phoenix Sky Harbor Intl Airport to Colorado takes 1h 30m

Direct flights go from Phoenix Sky Harbor Intl Airport to Colorado every day.

There are 87 airports in Colorado. From Phoenix Sky Harbor Intl Airport there are direct flights to Durango La Plata County (DRO), Grand Junction Regnl (GJT), Colorado Springs (COS), Cortez Montezuma County (CEZ) and 1 more.

Search flight deals

When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Colorado?
Prices for flights from Phoenix Sky Harbor Intl Airport to Colorado refresh daily.
How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Colorado?
As of December 2025, there are 6 operators available to choose from for flights from Phoenix Sky Harbor Intl Airport to Colorado.
How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Colorado?
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 Phoenix Sky Harbor Intl Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Colorado?
momondo data reveals that the most frequently booked plane model on the route from Phoenix Sky Harbor Intl Airport to Colorado is Airbus A321neo, representing 15.08% of all bookings. The subsequent popular models are Boeing 737-800 at 13.04%, Boeing 737 MAX 8 at 11.63%, and Airbus A320neo at 9.93%.

Best airlines flying from Phoenix Sky Harbor Intl Airport to Colorado

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $65	Free Cancellation	Rating 5.8 3,080 reviews	Search Frontier flights
American Airlines	PriceFrom $137	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
United Airlines	PriceFrom $138	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Southwest	PriceFrom $153	Free Cancellation	Rating 7.9 4,252 reviews	Search Southwest flights
Delta	PriceFrom $206	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Denver Air Connection	PriceFrom $391	Free Cancellation	Rating 8.7 20 reviews	Search Denver Air Connection flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Phoenix to Colorado. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Colorado from Phoenix with this policy.

How can momondo help me find flights from Phoenix to Colorado?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Phoenix to Colorado.

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

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

An easier way to manage your Colorado trip

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Popular cities in Colorado

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Phoenix Sky Harbor Intl Airport flight routes

Flights from Phoenix Sky Harbor Intl to San Antonio

Flights from Phoenix Sky Harbor Intl to Las Vegas Harry Reid Intl

Flights from Phoenix Sky Harbor Intl to Los Angeles

Flights from Phoenix Sky Harbor Intl to Santa Ana J. Wayne/Orange Cnty

Flights from Phoenix Sky Harbor Intl to San Diego

Flights from Phoenix Sky Harbor Intl to Chicago O'Hare Intl

Cheap flights from Phoenix Sky Harbor Intl Airport to Colorado from $38

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Big names and deals

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Colorado

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Frontier flights from Phoenix Sky Harbor Intl Airport to Colorado

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Colorado flight tickets

United Airlines flights from Phoenix Sky Harbor Intl Airport to Colorado

Our best United Airlines deals on Phoenix Sky Harbor Intl Airport to Colorado flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Colorado that are best for you.

See travel insights to Colorado from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Colorado

What is the cheapest month to fly to Colorado?

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

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

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $194. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $542 per ticket.

What is the cheapest Phoenix Sky Harbor Intl to Colorado flight route?

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

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

What cabin class options are available on Phoenix Sky Harbor Intl to Colorado flights?

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to Colorado 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 Phoenix Sky Harbor Intl Airport to Colorado flights?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to Colorado.

What is the cheapest airline that flies from Phoenix Sky Harbor Intl to Colorado?

Frontier, Denver Air Connection, and United Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to Colorado

What airlines fly to Colorado?

How many flights depart from Phoenix Sky Harbor Intl Airport to Colorado on average per day?

The number of flights available between Phoenix Sky Harbor Intl Airport and Colorado is 38 per day as of December 2025. The most frequent departure time is 4:00PM, with 50% of daily flights leaving in the afternoon.

How many flights depart from Phoenix Sky Harbor Intl Airport to Colorado on average per week?

The number of flights available between Phoenix Sky Harbor Intl Airport and Colorado is 270 per week as of December 2025. The most frequent departure day is Thu, with 25% of weekly flights leaving on this day.

Cheap Phoenix Sky Harbor Intl Airport to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Colorado

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Colorado?

How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Colorado?

How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Colorado?

What documentation or ID do you need to fly to Colorado?

What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Colorado?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Colorado

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Colorado with momondo

Why use momondo?

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

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

How can momondo help me find flights from Phoenix to Colorado?

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

An easier way to manage your Colorado 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 Colorado

Popular cities in Colorado

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