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 64% 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.

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

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

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

As of September 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.

$59 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 week?

The number of flights available between Phoenix Sky Harbor Intl Airport and Colorado is 249 per week as of September 2025. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.

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 35 per day as of September 2025. The most frequent departure time is 8:00AM, with 46% of daily flights leaving at noon.

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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

8:00 am - 11:00 amPHX-DEN

2h 00mnonstop

6:30 am - 7:32 amDEN-PHX

2h 02mnonstop

$85Frontier

Find Deal

Wed, Oct 1 - Sun, Oct 5

9:59 pm - 12:56 amPHX-DEN

1h 57mnonstop

10:10 am - 11:14 amDEN-PHX

2h 04mnonstop

$86Frontier

Find Deal

Mon, Oct 13 - Wed, Oct 22

6:45 pm - 11:52 pmPHX-COS

4h 07m1 stop

6:20 pm - 9:57 pmCOS-PHX

4h 37m1 stop

$135United Airlines

Find Deal

Wed, Oct 15 - Wed, Oct 22

6:45 pm - 11:52 pmPHX-COS

4h 07m1 stop

6:00 am - 10:43 amCOS-PHX

5h 43m1 stop

$163United Airlines

Find Deal

Thu, Oct 23 - Sun, Oct 26

2:00 pm - 10:40 pmPHX-COS

8h 40m2 stops

6:35 pm - 11:35 pmCOS-PHX

5h 00m1 stop

$182Southwest

Find Deal

Thu, Nov 6 - Sun, Nov 9

2:35 pm - 4:15 pmPHX-COS

1h 40mnonstop

6:25 am - 8:30 amCOS-PHX

2h 05mnonstop

$198Southwest

Find Deal

Thu, Dec 11 - Sat, Dec 13

1:20 pm - 7:40 pmPHX-COS

5h 20m1 stop

5:49 pm - 12:30 pmCOS-PHX

18h 41m2 stops

$276Delta

Find Deal

Fri, Oct 31 - Mon, Nov 3

5:15 pm - 10:10 pmPHX-COS

3h 55m1 stop

5:49 pm - 11:38 pmCOS-PHX

6h 49m1 stop

$280Delta

Find Deal

Mon, Oct 6 - Tue, Oct 7

8:35 pm - 9:54 pmPHX-DRO

1h 19mnonstop

6:55 pm - 8:42 pmDRO-PHX

1h 47mnonstop

$301American Airlines

Find Deal

Thu, Nov 6 - Sun, Nov 9

4:00 pm - 6:23 pmPHX-DRO

1h 23mnonstop

9:00 am - 9:32 amDRO-PHX

1h 32mnonstop

$321American Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

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 1

PHX8:00 amPhoenix Sky Harbor Intl

2h 00m

DEN11:00 amDenver Intl

Oct 5

DEN6:30 amDenver Intl

2h 02m

PHX7:32 amPhoenix Sky Harbor Intl

$85

Find similar

Frontier

Oct 13

PHX9:59 pmPhoenix Sky Harbor Intl

1h 57m

DEN12:56 amDenver Intl

Oct 22

DEN10:10 amDenver Intl

2h 04m

PHX11:14 amPhoenix Sky Harbor Intl

$86

Find similar

Frontier

Nov 5

PHX6:11 pmPhoenix Sky Harbor Intl

1h 53m

DEN8:04 pmDenver Intl

Nov 7

DEN10:29 pmDenver Intl

2h 00m

PHX12:29 amPhoenix Sky Harbor Intl

$87

Find similar

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

Nov 6

PHX2:00 pmPhoenix Sky Harbor Intl

8h 40m

2 stops

COS10:40 pmColorado Springs

Nov 9

COS6:35 pmColorado Springs

5h 00m

1 stop

PHX11:35 pmPhoenix Sky Harbor Intl

$182

Find similar

Southwest

Dec 11

PHX2:35 pmPhoenix Sky Harbor Intl

1h 40m

COS4:15 pmColorado Springs

Dec 13

COS6:25 amColorado Springs

2h 05m

PHX8:30 amPhoenix Sky Harbor Intl

$198

Find similar

Southwest

Nov 6

PHX8:40 amPhoenix Sky Harbor Intl

1h 45m

COS10:25 amColorado Springs

Nov 9

COS5:30 amColorado Springs

2h 05m

PHX7:35 amPhoenix Sky Harbor Intl

$202

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 10/1

8:00 am-11:00 am

Nonstop2h 00m

Denver Intl

Sun 10/5

6:30 am-7:32 am

Nonstop2h 02m

$85

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Mon 10/13

9:59 pm-12:56 am

Nonstop1h 57m

Denver Intl

Wed 10/22

10:10 am-11:14 am

Nonstop2h 04m

$86

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Wed 10/15

6:45 pm-11:52 pm

1 stop4h 07m

Colorado Springs

Wed 10/22

6:20 pm-9:57 pm

1 stop4h 37m

$135

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Thu 10/23

6:45 pm-11:52 pm

1 stop4h 07m

Colorado Springs

Sun 10/26

6:00 am-10:43 am

1 stop5h 43m

$163

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Thu 11/6

2:00 pm-10:40 pm

2 stops8h 40m

Colorado Springs

Sun 11/9

6:35 pm-11:35 pm

1 stop5h 00m

$182

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Thu 12/11

2:35 pm-4:15 pm

Nonstop1h 40m

Colorado Springs

Sat 12/13

6:25 am-8:30 am

Nonstop2h 05m

$198

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Fri 10/31

1:20 pm-7:40 pm

1 stop5h 20m

Colorado Springs

Mon 11/3

5:49 pm-12:30 pm

2 stops18h 41m

$276

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Mon 10/6

5:15 pm-10:10 pm

1 stop3h 55m

Colorado Springs

Tue 10/7

5:49 pm-11:38 pm

1 stop6h 49m

$280

PhoenixDurango

PHX - DRO

PHXDRO

Phoenix Sky Harbor Intl

Thu 11/6

8:35 pm-9:54 pm

Nonstop1h 19m

Durango La Plata County

Sun 11/9

6:55 pm-8:42 pm

Nonstop1h 47m

$301

PhoenixDurango

PHX - DRO

PHXDRO

Phoenix Sky Harbor Intl

Tue 10/14

4:00 pm-6:23 pm

Nonstop1h 23m

Durango La Plata County

Tue 10/21

9:00 am-9:32 am

Nonstop1h 32m

$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 $104. The month of January is another great option to travel to Colorado, with average flight prices from Phoenix Sky Harbor Intl Airport averaging around $132.

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 $315.

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 $496 per ticket.

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

Fly from Phoenix Sky Harbor Intl to Colorado Springs 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 $162 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 $129 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	$101
Fastest flight time	1h 19m
Direct flights	Every day
Airports in Colorado	4 airports

The best one-way flight to Colorado from Phoenix Sky Harbor Intl Airport in the past 72 hours is $101. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Colorado found on momondo in the last 72 hours is $154.

The fastest flight from Phoenix Sky Harbor Intl Airport to Colorado takes 1h 19m

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

There are 4 airports near Colorado: Durango La Plata County (DRO), Grand Junction Regnl (GJT), Colorado Springs (COS), 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 September 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 13.90% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 11.98%, Boeing 737-800 at 10.30%, and Airbus A320neo at 9.34%.

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 $64	Free Cancellation	Rating 5.8 3,173 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 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $156	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Delta	PriceFrom $206	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
Denver Air Connection	PriceFrom $298	Free Cancellation	Rating 9.0 16 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

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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Phoenix Sky Harbor Intl Airport flight routes

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Cheap flights from Phoenix Sky Harbor Intl Airport to Colorado from $59

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Big names and deals

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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

Southwest flights from Phoenix Sky Harbor Intl Airport to Colorado

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

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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 $194. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $496 per ticket.

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

Fly from Phoenix Sky Harbor Intl to Colorado Springs 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, United Airlines, and Hawaiian 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 35 per day as of September 2025. The most frequent departure time is 8:00AM, with 46% 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 249 per week as of September 2025. The most frequent departure day is Mon, with 19% 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