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.

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

Southwest, Delta, and Alaska 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 March 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.

$58 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 52 per day as of March 2026. The most frequent departure time is 3:00PM, with 42% 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 367 per week as of March 2026. The most frequent departure day is Sun, with 19% 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

Enter your travel dates to find the best prices.

8:52 am - 11:51 am

PHX

DEN

1h 59mnonstop

7:03 am - 8:01 am

DEN

PHX

1h 58mnonstop

$77Frontier

Thu, Apr 30 - Tue, May 5

6:50 am - 9:43 am

PHX

DEN

1h 53mnonstop

10:35 pm - 11:42 pm

DEN

PHX

2h 07mnonstop

$78Frontier

Tue, Apr 21 - Tue, Apr 28

2:35 pm - 7:50 pm

PHX

HDN

4h 15m

1 stop

9:00 am - 1:05 pm

HDN

PHX

5h 05m

1 stop

$183Southwest

Wed, May 27 - Wed, Jun 3

9:20 am - 12:05 pm

PHX

COS

1h 45mnonstop

1:10 pm - 2:05 pm

COS

PHX

1h 55mnonstop

$186Southwest

Wed, May 6 - Wed, May 13

1:15 pm - 4:05 pm

PHX

CEZ

1h 50mnonstop

11:55 am - 12:45 pm

CEZ

PHX

1h 50mnonstop

$194Denver Air Connection

Sat, Aug 15 - Wed, Aug 19

3:32 pm - 8:46 pm

PHX

COS

4h 14m

1 stop

6:00 am - 8:48 am

COS

PHX

3h 48m

1 stop

$209United Airlines

Wed, Apr 29 - Sat, May 2

1:15 pm - 4:05 pm

PHX

CEZ

1h 50mnonstop

11:55 am - 12:45 pm

CEZ

PHX

1h 50mnonstop

$222Denver Air Connection

Thu, Jul 2 - Mon, Jul 6

6:00 am - 11:05 am

PHX

COS

4h 05m

1 stop

3:25 pm - 8:19 pm

COS

PHX

5h 54m

1 stop

$225United Airlines

Sat, May 9 - Mon, May 11

5:00 am - 12:49 pm

PHX

COS

6h 49m

1 stop

5:13 pm - 11:33 pm

COS

PHX

7h 20m

1 stop

$229American Airlines

Thu, Apr 16 - Sat, Apr 18

5:00 am - 11:58 am

PHX

MTJ

5h 58m

1 stop

12:42 pm - 6:25 pm

MTJ

PHX

6h 43m

1 stop

$271American Airlines

Tue, Apr 21 - Tue, Apr 28

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 30

PHX8:52 amPhoenix Sky Harbor Intl

1h 59m

DEN11:51 amDenver Intl

May 5

DEN7:03 amDenver Intl

1h 58m

PHX8:01 amPhoenix Sky Harbor Intl

$77

Frontier

Apr 21

PHX6:50 amPhoenix Sky Harbor Intl

1h 53m

DEN9:43 amDenver Intl

Apr 28

DEN10:35 pmDenver Intl

2h 07m

PHX11:42 pmPhoenix Sky Harbor Intl

$78

Frontier

Jun 9

PHX4:29 pmPhoenix Sky Harbor Intl

1h 53m

DEN7:22 pmDenver Intl

Jun 10

DEN2:23 pmDenver Intl

2h 01m

PHX3:24 pmPhoenix Sky Harbor Intl

$79

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

May 27

PHX2:35 pmPhoenix Sky Harbor Intl

4h 15m

1 stop

HDN7:50 pmHayden Yampa Valley

Jun 3

HDN9:00 amHayden Yampa Valley

5h 05m

1 stop

PHX1:05 pmPhoenix Sky Harbor Intl

$183

Southwest

May 6

PHX9:20 amPhoenix Sky Harbor Intl

1h 45m

COS12:05 pmColorado Springs

May 13

COS1:10 pmColorado Springs

1h 55m

PHX2:05 pmPhoenix Sky Harbor Intl

$186

Southwest

May 6

PHX6:05 pmPhoenix Sky Harbor Intl

1h 40m

COS8:45 pmColorado Springs

May 13

COS2:30 pmColorado Springs

7h 50m

1 stop

PHX9:20 pmPhoenix Sky Harbor Intl

$190

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

Cheapest round-trip

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 4/30

8:52 am-11:51 am

Nonstop1h 59m

Denver Intl

Tue 5/5

7:03 am-8:01 am

Nonstop1h 58m

$77

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 4/21

6:50 am-9:43 am

Nonstop1h 53m

Denver Intl

Tue 4/28

10:35 pm-11:42 pm

Nonstop2h 07m

$78

PhoenixHayden

PHX - HDN

PHXHDN

Phoenix Sky Harbor Intl

Wed 5/27

2:35 pm-7:50 pm

1 stop4h 15m

Hayden Yampa Valley

Wed 6/3

9:00 am-1:05 pm

1 stop5h 05m

$183

Quickest round-trip

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Wed 5/6

9:20 am-12:05 pm

Nonstop1h 45m

Colorado Springs

Wed 5/13

1:10 pm-2:05 pm

Nonstop1h 55m

$186

PhoenixCortez

PHX - CEZ

PHXCEZ

Phoenix Sky Harbor Intl

Sat 8/15

1:15 pm-4:05 pm

Nonstop1h 50m

Cortez Montezuma County

Wed 8/19

11:55 am-12:45 pm

Nonstop1h 50m

$194

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Wed 4/29

3:32 pm-8:46 pm

1 stop4h 14m

Colorado Springs

Sat 5/2

6:00 am-8:48 am

1 stop3h 48m

$209

PhoenixCortez

PHX - CEZ

PHXCEZ

Phoenix Sky Harbor Intl

Thu 7/2

1:15 pm-4:05 pm

Nonstop1h 50m

Cortez Montezuma County

Mon 7/6

11:55 am-12:45 pm

Nonstop1h 50m

$222

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Sat 5/9

6:00 am-11:05 am

1 stop4h 05m

Colorado Springs

Mon 5/11

3:25 pm-8:19 pm

1 stop5h 54m

$225

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Thu 4/16

5:00 am-12:49 pm

1 stop6h 49m

Colorado Springs

Sat 4/18

5:13 pm-11:33 pm

1 stop7h 20m

$229

PhoenixMontrose

PHX - MTJ

PHXMTJ

Phoenix Sky Harbor Intl

Tue 4/21

5:00 am-11:58 am

1 stop5h 58m

Montrose County

Tue 4/28

12:42 pm-6:25 pm

1 stop6h 43m

$271

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 $149. 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 $237. 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 $202. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $422 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 $174 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	$129
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 $129. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Colorado found on momondo in the last 72 hours is $182.

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 March 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 MAX 8, representing 15.40% of all bookings. The subsequent popular models are Airbus A321neo at 13.82%, Boeing 737-800 at 13.81%, and Airbus A320neo at 11.90%.

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 $63	Free Cancellation	Rating 5.7 3,010 reviews	Search Frontier flights
American Airlines	PriceFrom $137	Free Cancellation	Rating 7.1 11,521 reviews	Search American Airlines flights
United Airlines	PriceFrom $138	Free Cancellation	Rating 7.4 9,509 reviews	Search United Airlines flights
Southwest	PriceFrom $150	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights
Delta	PriceFrom $185	Free Cancellation	Rating 7.9 8,359 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.

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Flights to New Yorkfrom $58

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Flights to San Franciscofrom $55

Flights to Las Vegasfrom $35

Flights to Washington, D.C.from $51

Flights to Bostonfrom $76

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Flights to Dallasfrom $56

Flights to Seattlefrom $80

Cheap flights from Phoenix Sky Harbor Intl Airport to Colorado from $58

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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

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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?

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

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?

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Colorado flights?

What is the cheapest airline that flies 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?

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

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

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?

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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