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

Frontier, American Airlines, and Southwest 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 July 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.

$40 Cheap Flights from Phoenix Sky Harbor Intl Airport to Colorado in 2025

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 31 per day as of July 2025. The most frequent departure time is 8:00AM, with 41% of daily flights leaving at noon.

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 220 per week as of July 2025. The most frequent departure day is Thu, with 22% of weekly flights leaving on this day.

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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

11:09 am - 2:06 pmPHX-DEN

1h 57mnonstop

6:30 am - 7:32 amDEN-PHX

2h 02mnonstop

$69Frontier

Find Deal

Fri, Oct 3 - Sun, Oct 5

6:32 am - 9:30 amPHX-DEN

1h 58mnonstop

8:55 pm - 9:53 pmDEN-PHX

1h 58mnonstop

$79Frontier

Find Deal

Thu, Sep 18 - Wed, Sep 24

7:13 pm - 10:05 pmPHX-DEN

1h 52mnonstop

3:07 pm - 4:02 pmDEN-PHX

1h 55mnonstop

$137American Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

6:25 am - 11:45 amPHX-COS

5h 20m1 stop

12:45 pm - 6:17 pmCOS-PHX

5h 32m1 stop

$187American Airlines

Find Deal

Tue, Nov 4 - Tue, Nov 11

3:00 pm - 5:40 pmPHX-COS

1h 40mnonstop

12:35 pm - 1:30 pmCOS-PHX

1h 55mnonstop

$198Southwest

Find Deal

Thu, Oct 2 - Fri, Oct 3

6:20 pm - 8:50 pmPHX-CEZ

1h 30mnonstop

5:15 pm - 6:05 pmCEZ-PHX

1h 50mnonstop

$203Denver Air Connection

Find Deal

Wed, Aug 27 - Wed, Sep 3

8:00 pm - 10:40 pmPHX-COS

1h 40mnonstop

5:50 pm - 6:40 pmCOS-PHX

1h 50mnonstop

$217Southwest

Find Deal

Wed, Aug 27 - Wed, Sep 3

6:20 pm - 8:50 pmPHX-CEZ

1h 30mnonstop

5:15 pm - 6:05 pmCEZ-PHX

1h 50mnonstop

$218Denver Air Connection

Find Deal

Wed, Aug 27 - Thu, Sep 4

5:34 pm - 9:59 pmPHX-COS

4h 25m1 stop

6:20 pm - 10:40 pmCOS-PHX

4h 20m1 stop

$237United Airlines

Find Deal

Tue, Nov 25 - Mon, Dec 1

6:05 am - 12:47 pmPHX-MTJ

5h 42m1 stop

1:43 pm - 5:03 pmMTJ-PHX

4h 20m1 stop

$257United Airlines

Find Deal

Tue, Aug 26 - Sat, Aug 30

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

Oct 3

PHX11:09 amPhoenix Sky Harbor Intl

1h 57m

DEN2:06 pmDenver Intl

Oct 5

DEN6:30 amDenver Intl

2h 02m

PHX7:32 amPhoenix Sky Harbor Intl

$69

Find similar

Frontier

Sep 18

PHX6:32 amPhoenix Sky Harbor Intl

1h 58m

DEN9:30 amDenver Intl

Sep 24

DEN8:55 pmDenver Intl

1h 58m

PHX9:53 pmPhoenix Sky Harbor Intl

$79

Find similar

Frontier

Sep 3

PHX12:11 pmPhoenix Sky Harbor Intl

2h 00m

DEN3:11 pmDenver Intl

Sep 6

DEN3:00 pmDenver Intl

2h 02m

PHX4:02 pmPhoenix Sky Harbor Intl

$85

Find similar

American Airlines flights from Phoenix Sky Harbor Intl Airport to Colorado

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

American Airlines

Aug 30

PHX7:13 pmPhoenix Sky Harbor Intl

1h 52m

DEN10:05 pmDenver Intl

Sep 6

DEN3:07 pmDenver Intl

1h 55m

PHX4:02 pmPhoenix Sky Harbor Intl

$137

Find similar

American Airlines

Nov 4

PHX6:25 amPhoenix Sky Harbor Intl

5h 20m

1 stop

COS11:45 amColorado Springs

Nov 11

COS12:45 pmColorado Springs

5h 32m

1 stop

PHX6:17 pmPhoenix Sky Harbor Intl

$187

Find similar

American Airlines

Sep 22

PHX6:00 amPhoenix Sky Harbor Intl

6h 32m

1 stop

MTJ1:32 pmMontrose County

Sep 24

MTJ2:38 pmMontrose County

7h 16m

1 stop

PHX8:54 pmPhoenix Sky Harbor Intl

$213

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

Fri 10/3

11:09 am-2:06 pm

Nonstop1h 57m

Denver Intl

Sun 10/5

6:30 am-7:32 am

Nonstop2h 02m

$69

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 9/18

6:32 am-9:30 am

Nonstop1h 58m

Denver Intl

Wed 9/24

8:55 pm-9:53 pm

Nonstop1h 58m

$79

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 8/30

7:13 pm-10:05 pm

Nonstop1h 52m

Denver Intl

Sat 9/6

3:07 pm-4:02 pm

Nonstop1h 55m

$137

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Tue 11/4

6:25 am-11:45 am

1 stop5h 20m

Colorado Springs

Tue 11/11

12:45 pm-6:17 pm

1 stop5h 32m

$187

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Thu 10/2

3:00 pm-5:40 pm

Nonstop1h 40m

Colorado Springs

Fri 10/3

12:35 pm-1:30 pm

Nonstop1h 55m

$198

PhoenixCortez

PHX - CEZ

PHXCEZ

Phoenix Sky Harbor Intl

Wed 8/27

6:20 pm-8:50 pm

Nonstop1h 30m

Cortez Montezuma County

Wed 9/3

5:15 pm-6:05 pm

Nonstop1h 50m

$203

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Wed 8/27

8:00 pm-10:40 pm

Nonstop1h 40m

Colorado Springs

Wed 9/3

5:50 pm-6:40 pm

Nonstop1h 50m

$217

PhoenixCortez

PHX - CEZ

PHXCEZ

Phoenix Sky Harbor Intl

Wed 8/27

6:20 pm-8:50 pm

Nonstop1h 30m

Cortez Montezuma County

Thu 9/4

5:15 pm-6:05 pm

Nonstop1h 50m

$218

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Tue 11/25

5:34 pm-9:59 pm

1 stop4h 25m

Colorado Springs

Mon 12/1

6:20 pm-10:40 pm

1 stop4h 20m

$237

PhoenixMontrose

PHX - MTJ

PHXMTJ

Phoenix Sky Harbor Intl

Tue 8/26

6:05 am-12:47 pm

1 stop5h 42m

Montrose County

Sat 8/30

1:43 pm-5:03 pm

1 stop4h 20m

$257

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 $104. The month of August is another great option to travel to Colorado, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $122.

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 $227. On the other hand, Sunday 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 $326.

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 $185. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $468 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 $154 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 $123 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	$40
Fastest flight time	1h 21m
Direct flights	Every day
Airports in Colorado	5 airports

The best one-way flight to Colorado from Phoenix Sky Harbor Intl Airport in the past 72 hours is $40. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Colorado found on momondo in the last 72 hours is $69.

The fastest flight from Phoenix Sky Harbor Intl Airport to Colorado takes 1h 21m

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

There are 5 airports near Colorado: Durango La Plata County (DRO), Grand Junction Regnl (GJT), Colorado Springs (COS), Cortez Montezuma County (CEZ), Denver Intl (DEN)

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 July 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 Boeing 737 MAX 8, representing 13.57% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 13.09%, Boeing 737-800 at 10.39%, and Boeing 737-700 Passenger/BBJ1 (winglets) at 9.65%.

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 $56	Free Cancellation	Rating 5.9 3,239 reviews	Search Frontier flights
American Airlines	PriceFrom $137	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $146	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $147	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Delta	PriceFrom $218	Free Cancellation	Rating 8.0 7,981 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

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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Popular cities in Colorado

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Cheap flights from Phoenix Sky Harbor Intl Airport to Colorado from $40

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Phoenix Sky Harbor Intl Airport to Colorado

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

American Airlines flights from Phoenix Sky Harbor Intl Airport to Colorado

Our best American 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.

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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

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 $185. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $468 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, American Airlines, and Southwest 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 31 per day as of July 2025. The most frequent departure time is 8:00AM, with 41% of daily flights leaving at noon.

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 220 per week as of July 2025. The most frequent departure day is Thu, with 22% 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