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Cheap flights from Colorado to Phoenix from $45

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Phoenix departing on 12/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:44 pm - 11:49 pmDEN-PHX
2h 05mnonstop
Frontier Logo
8:00 am - 8:55 amPHX-DEN
24h 55m1 stop
$84Frontier
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Wed, Dec 3 - Wed, Dec 10
Frontier Logo
9:44 pm - 11:49 pmDEN-PHX
2h 05mnonstop
Frontier Logo
8:00 am - 8:00 pmPHX-DEN
12h 00m1 stop
$85Frontier
Find Deal
Tue, Dec 2 - Tue, Dec 9
Multiple Airlines Logo
6:48 pm - 11:53 pmDEN-PHX
5h 05m1 stop
Multiple Airlines Logo
10:31 pm - 12:25 amPHX-DEN
1h 54mnonstop
$86Multiple Airlines
Find Deal
Tue, Dec 23 - Mon, Dec 29
Alaska Airlines Logo
6:59 pm - 11:59 pmDEN-PHX
5h 00m1 stop
Alaska Airlines Logo
4:41 pm - 11:59 pmPHX-DEN
7h 18m1 stop
$132Alaska Airlines
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Mon, Dec 15 - Thu, Dec 18
American Airlines Logo
4:34 pm - 12:34 amCOS-PHX
8h 00m1 stop
American Airlines Logo
5:00 am - 11:46 amPHX-COS
6h 46m1 stop
$179American Airlines
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Thu, Dec 4 - Mon, Dec 8
Southwest Logo
7:20 am - 1:35 pmCOS-PHX
6h 15m1 stop
Southwest Logo
5:50 am - 11:20 amPHX-COS
5h 30m1 stop
$189Southwest
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Thu, Jan 22 - Sun, Jan 25
Southwest Logo
6:40 am - 12:05 pmCOS-PHX
5h 25m2 stops
Southwest Logo
5:50 am - 11:20 amPHX-COS
5h 30m1 stop
$194Southwest
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Thu, Jan 22 - Sun, Jan 25
American Airlines Logo
12:45 pm - 7:57 pmCOS-PHX
7h 12m1 stop
American Airlines Logo
6:25 am - 11:46 amPHX-COS
5h 21m1 stop
$209American Airlines
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Fri, Dec 5 - Mon, Dec 8
Multiple Airlines Logo
1:26 pm - 7:16 pmGJT-PHX
5h 50m1 stop
Multiple Airlines Logo
1:10 pm - 6:59 pmPHX-GJT
5h 49m1 stop
$243Multiple Airlines
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Thu, Jan 1 - Thu, Jan 8
Alaska Airlines Logo
4:17 pm - 11:53 pmHDN-PHX
7h 36m1 stop
Alaska Airlines Logo
8:20 am - 4:45 pmPHX-HDN
8h 25m1 stop
$354Alaska Airlines
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Sun, Dec 28 - Wed, Dec 31

American Airlines flights from Colorado to Phoenix Sky Harbor Intl Airport

Our best American Airlines deals on Colorado to Phoenix Sky Harbor Intl Airport flight tickets
American Airlines
Dec 4
COS4:34 pmColorado Springs
8h 00m
1 stop
PHX12:34 amPhoenix Sky Harbor Intl
Dec 8
PHX5:00 amPhoenix Sky Harbor Intl
6h 46m
1 stop
COS11:46 amColorado Springs
$179
Find similar
American Airlines
Dec 5
COS12:45 pmColorado Springs
7h 12m
1 stop
PHX7:57 pmPhoenix Sky Harbor Intl
Dec 8
PHX6:25 amPhoenix Sky Harbor Intl
5h 21m
1 stop
COS11:46 amColorado Springs
$209
Find similar
American Airlines
Dec 5
COS12:45 pmColorado Springs
7h 12m
1 stop
PHX7:57 pmPhoenix Sky Harbor Intl
Dec 7
PHX5:00 amPhoenix Sky Harbor Intl
6h 48m
1 stop
COS11:48 amColorado Springs
$213
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Southwest flights from Colorado to Phoenix Sky Harbor Intl Airport

Our best Southwest deals on Colorado to Phoenix Sky Harbor Intl Airport flight tickets
Southwest
Jan 22
COS7:20 amColorado Springs
6h 15m
1 stop
PHX1:35 pmPhoenix Sky Harbor Intl
Jan 25
PHX5:50 amPhoenix Sky Harbor Intl
5h 30m
1 stop
COS11:20 amColorado Springs
$189
Find similar
Southwest
Jan 22
COS6:40 amColorado Springs
5h 25m
2 stops
PHX12:05 pmPhoenix Sky Harbor Intl
Jan 25
PHX5:50 amPhoenix Sky Harbor Intl
5h 30m
1 stop
COS11:20 amColorado Springs
$194
Find similar
Southwest
Jan 25
COS12:00 pmColorado Springs
2h 05m
PHX2:05 pmPhoenix Sky Harbor Intl
Jan 28
PHX7:15 pmPhoenix Sky Harbor Intl
1h 40m
COS8:55 pmColorado Springs
$207
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momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Phoenix Sky Harbor Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from Colorado to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 12/3

9:44 pm-11:49 pm

Nonstop2h 05m

Phoenix Sky Harbor Intl

Wed 12/10

8:00 am-8:55 am

1 stop24h 55m

$84

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 12/2

9:44 pm-11:49 pm

Nonstop2h 05m

Phoenix Sky Harbor Intl

Tue 12/9

8:00 am-8:00 pm

1 stop12h 00m

$85

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 12/23

6:48 pm-11:53 pm

1 stop5h 05m

Phoenix Sky Harbor Intl

Mon 12/29

10:31 pm-12:25 am

Nonstop1h 54m

$86

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Mon 12/15

6:59 pm-11:59 pm

1 stop5h 00m

Phoenix Sky Harbor Intl

Thu 12/18

4:41 pm-11:59 pm

1 stop7h 18m

$132

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Thu 12/4

4:34 pm-12:34 am

1 stop8h 00m

Phoenix Sky Harbor Intl

Mon 12/8

5:00 am-11:46 am

1 stop6h 46m

$179

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Thu 1/22

7:20 am-1:35 pm

1 stop6h 15m

Phoenix Sky Harbor Intl

Sun 1/25

5:50 am-11:20 am

1 stop5h 30m

$189

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Thu 1/22

6:40 am-12:05 pm

2 stops5h 25m

Phoenix Sky Harbor Intl

Sun 1/25

5:50 am-11:20 am

1 stop5h 30m

$194

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Fri 12/5

12:45 pm-7:57 pm

1 stop7h 12m

Phoenix Sky Harbor Intl

Mon 12/8

6:25 am-11:46 am

1 stop5h 21m

$209

Grand JunctionPhoenix

GJT - PHX

GJTPHX

Grand Junction Regnl

Thu 1/1

1:26 pm-7:16 pm

1 stop5h 50m

Phoenix Sky Harbor Intl

Thu 1/8

1:10 pm-6:59 pm

1 stop5h 49m

$243

HaydenPhoenix

HDN - PHX

HDNPHX

Hayden Yampa Valley

Sun 12/28

4:17 pm-11:53 pm

1 stop7h 36m

Phoenix Sky Harbor Intl

Wed 12/31

8:20 am-4:45 pm

1 stop8h 25m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Colorado to Phoenix Sky Harbor Intl Airport

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 Phoenix Sky Harbor Intl Airport?

In general, January is the cheapest month to fly from Colorado to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $156. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of January, then departing from Colorado during the month September is also very affordable. Most momondo users find prices during this month for around $158.

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Colorado is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $186. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $234. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

In the evening is the cheapest time of day to fly from Colorado to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $163. Flying to Phoenix Sky Harbor Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $217. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Phoenix Sky Harbor Intl Airport?

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $177 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Colorado for as low as $141 on momondo.

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

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

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

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

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

Best Price Found

$83

Fastest flight time

1h 29m

Direct flights

Every day
The best one-way flight to Phoenix Sky Harbor Intl Airport from Colorado in the past 72 hours is $83. The best round-trip flight deal from Colorado to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $137.
The fastest flight from Colorado to Phoenix Sky Harbor Intl Airport takes 1h 29m
Direct flights go from Colorado to Phoenix Sky Harbor Intl Airport every day.
Search flight deals

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

    Prices for flights from Colorado to Phoenix Sky Harbor Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Phoenix Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The required travel and health documents for your Phoenix Sky Harbor Intl Airport 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 Phoenix Sky Harbor Intl Airport. 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 Colorado to Phoenix Sky Harbor Intl Airport?

Best airlines flying from Colorado to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Colorado to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $61Free CancellationRating
5.8
3,115 reviews
Search Frontier flights
United AirlinesPriceFrom $140Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
SouthwestPriceFrom $144Free CancellationRating
8.0
4,239 reviews
Search Southwest flights
American AirlinesPriceFrom $147Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
DeltaPriceFrom $196Free CancellationRating
7.9
8,004 reviews
Search Delta flights
Denver Air ConnectionPriceFrom $238Free CancellationRating
8.7
20 reviews
Search Denver Air Connection flights

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Glendale
Chandler
Gilbert
Peoria
Surprise
Casa Grande
Goodyear
Buckeye
Apache Junction
Payson
Wickenburg
Avondale
Paradise Valley
Camp Verde
Fountain Hills
Litchfield Park
Cave Creek

Why use momondo?

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

Finding the right flight to Phoenix from Colorado is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Phoenix quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Colorado to Phoenix flights to just show those with flexible booking policies.

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

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 Colorado to Phoenix.

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

Yes. momondo can track prices for Colorado to Phoenix flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Phoenix Sky Harbor Intl Airport trip

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