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

Frontier, Southwest, and Denver Air Connection 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 5 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 February 2026, 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.

$49 Cheap Flights from Phoenix Sky Harbor Intl Airport to Colorado in 2026

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 32 per day as of February 2026. The most frequent departure time is 4:00PM, with 52% of daily flights leaving in the afternoon.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 am - 9:43 am

PHX

DEN

1h 53mnonstop

6:30 am - 7:36 am

DEN

PHX

2h 06mnonstop

$64Frontier

Wed, Apr 15 - Mon, Apr 20

10:24 pm - 12:15 am

PHX

DEN

1h 51mnonstop

6:30 am - 7:42 am

DEN

PHX

2h 12mnonstop

$65Frontier

Fri, Mar 6 - Sun, Mar 8

1:15 pm - 4:05 pm

PHX

CEZ

1h 50mnonstop

11:55 am - 12:45 pm

CEZ

PHX

1h 50mnonstop

$194Denver Air Connection

Fri, Apr 17 - Sat, Apr 18

7:00 am - 12:27 pm

PHX

MTJ

5h 27m

1 stop

3:39 pm - 7:01 pm

MTJ

PHX

4h 22m

1 stop

$209United Airlines

Tue, Mar 3 - Sun, Mar 8

8:25 am - 2:37 pm

PHX

MTJ

6h 12m

1 stop

3:33 pm - 9:21 pm

MTJ

PHX

5h 48m

1 stop

$211United Airlines

Fri, Feb 20 - Tue, Feb 24

2:15 pm - 4:05 pm

PHX

CEZ

1h 50mnonstop

11:55 am - 1:45 pm

CEZ

PHX

1h 50mnonstop

$234Denver Air Connection

Tue, Mar 3 - Sat, Mar 7

6:05 pm - 8:45 pm

PHX

COS

1h 40mnonstop

4:45 pm - 5:30 pm

COS

PHX

1h 45mnonstop

$245Southwest

Wed, Apr 15 - Wed, Apr 29

1:55 pm - 8:15 pm

PHX

COS

5h 20m

1 stop

9:10 am - 10:05 am

COS

PHX

1h 55mnonstop

$255Southwest

Wed, Apr 15 - Wed, Apr 29

8:37 am - 11:54 am

PHX

EGE

2h 17mnonstop

4:17 pm - 5:23 pm

EGE

PHX

2h 06mnonstop

$269American Airlines

Sun, Mar 15 - Thu, Mar 19

5:47 am - 12:34 pm

PHX

EGE

5h 47m

1 stop

4:17 pm - 5:23 pm

EGE

PHX

2h 06mnonstop

$279American Airlines

Sun, Mar 15 - Thu, Mar 19

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

Apr 15

PHX6:50 amPhoenix Sky Harbor Intl

1h 53m

DEN9:43 amDenver Intl

Apr 20

DEN6:30 amDenver Intl

2h 06m

PHX7:36 amPhoenix Sky Harbor Intl

$64

Frontier

Mar 6

PHX10:24 pmPhoenix Sky Harbor Intl

1h 51m

DEN12:15 amDenver Intl

Mar 9

DEN10:40 pmDenver Intl

2h 11m

PHX11:51 pmPhoenix Sky Harbor Intl

$65

Frontier

Mar 6

PHX10:24 pmPhoenix Sky Harbor Intl

1h 51m

DEN12:15 amDenver Intl

Mar 8

DEN4:36 pmDenver Intl

2h 10m

PHX5:46 pmPhoenix Sky Harbor Intl

$66

Southwest flights from Phoenix Sky Harbor Intl Airport to Colorado

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

Southwest

Apr 15

PHX6:05 pmPhoenix Sky Harbor Intl

1h 40m

COS8:45 pmColorado Springs

Apr 29

COS4:45 pmColorado Springs

1h 45m

PHX5:30 pmPhoenix Sky Harbor Intl

$245

Southwest

Apr 15

PHX1:55 pmPhoenix Sky Harbor Intl

5h 20m

1 stop

COS8:15 pmColorado Springs

Apr 29

COS9:10 amColorado Springs

1h 55m

PHX10:05 amPhoenix Sky Harbor Intl

$255

Southwest

Apr 9

PHX9:25 pmPhoenix Sky Harbor Intl

1h 40m

COS12:05 amColorado Springs

Apr 13

COS11:30 amColorado Springs

1h 55m

PHX12:25 pmPhoenix Sky Harbor Intl

$259

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 4/15

6:50 am-9:43 am

Nonstop1h 53m

Denver Intl

Mon 4/20

6:30 am-7:36 am

Nonstop2h 06m

$64

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 3/6

10:24 pm-12:15 am

Nonstop1h 51m

Denver Intl

Sun 3/8

6:30 am-7:42 am

Nonstop2h 12m

$65

PhoenixCortez

PHX - CEZ

PHXCEZ

Phoenix Sky Harbor Intl

Fri 4/17

1:15 pm-4:05 pm

Nonstop1h 50m

Cortez Montezuma County

Sat 4/18

11:55 am-12:45 pm

Nonstop1h 50m

$194

PhoenixMontrose

PHX - MTJ

PHXMTJ

Phoenix Sky Harbor Intl

Tue 3/3

7:00 am-12:27 pm

1 stop5h 27m

Montrose County

Sun 3/8

3:39 pm-7:01 pm

1 stop4h 22m

$209

PhoenixMontrose

PHX - MTJ

PHXMTJ

Phoenix Sky Harbor Intl

Fri 2/20

8:25 am-2:37 pm

1 stop6h 12m

Montrose County

Tue 2/24

3:33 pm-9:21 pm

1 stop5h 48m

$211

PhoenixCortez

PHX - CEZ

PHXCEZ

Phoenix Sky Harbor Intl

Tue 3/3

2:15 pm-4:05 pm

Nonstop1h 50m

Cortez Montezuma County

Sat 3/7

11:55 am-1:45 pm

Nonstop1h 50m

$234

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Wed 4/15

6:05 pm-8:45 pm

Nonstop1h 40m

Colorado Springs

Wed 4/29

4:45 pm-5:30 pm

Nonstop1h 45m

$245

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Wed 4/15

1:55 pm-8:15 pm

1 stop5h 20m

Colorado Springs

Wed 4/29

9:10 am-10:05 am

Nonstop1h 55m

$255

PhoenixVail

PHX - EGE

PHXEGE

Phoenix Sky Harbor Intl

Sun 3/15

8:37 am-11:54 am

Nonstop2h 17m

Vail Eagle County

Thu 3/19

4:17 pm-5:23 pm

Nonstop2h 06m

$269

PhoenixVail

PHX - EGE

PHXEGE

Phoenix Sky Harbor Intl

Sun 3/15

5:47 am-12:34 pm

1 stop5h 47m

Vail Eagle County

Thu 3/19

4:17 pm-5:23 pm

Nonstop2h 06m

$279

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 $108. The month of October is another great option to travel to Colorado, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $151.

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 Thursday when prices can be found for as low as $234. 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 $306.

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 $197. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $470 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 $168 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 $139 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	$126
Fastest flight time	1h 40m
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 $126. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Colorado found on momondo in the last 72 hours is $174.

The fastest flight from Phoenix Sky Harbor Intl Airport to Colorado takes 1h 40m

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 February 2026, 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 Boeing 737-800, representing 16.30% of all bookings. The subsequent popular models are Airbus A321neo at 14.84%, Boeing 737 MAX 8 at 12.77%, and Airbus A320neo at 10.05%.

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 $62	Free Cancellation	Rating 5.7 3,054 reviews	Search Frontier flights
United Airlines	PriceFrom $133	Free Cancellation	Rating 7.4 9,245 reviews	Search United Airlines flights
American Airlines	PriceFrom $137	Free Cancellation	Rating 7.2 11,248 reviews	Search American Airlines flights
Southwest	PriceFrom $149	Free Cancellation	Rating 8.0 4,280 reviews	Search Southwest flights
Delta	PriceFrom $206	Free Cancellation	Rating 7.9 8,162 reviews	Search Delta 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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Cheap flights from Phoenix Sky Harbor Intl Airport to Colorado from $49

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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

Southwest flights from Phoenix Sky Harbor Intl Airport to Colorado

Our best Southwest 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 $197. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $470 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, Southwest, and Denver Air Connection 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 32 per day as of February 2026. The most frequent departure time is 4:00PM, with 52% 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 225 per week as of February 2026. The most frequent departure day is Fri, 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

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According to popular flight searches on momondo this year

Colorado flight routes

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