$79 Cheap Flights from Colorado Springs (COS) to Phoenix (PHX)

View $79 flight on Sun, Dec 14, 2025Opens in a new window

Popular airlines from Colorado Springs Airport (COS) to Phoenix Sky Harbor Intl. Airport (PHX)

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Cheap Flights from Colorado Springs to Phoenix (COS-PHX)

Prices were available within the past 7 days and start at $79 for one-way flights and $166 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sun, Dec 14 - Tue, Dec 30
COS
Colorado Springs
PHX
Phoenix
$166 Roundtrip, found 2 hours ago
$166
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Sun, Dec 14 from Colorado Springs to Phoenix, returning Tue, Dec 30, priced at $166 found 2 hours ago
Southwest Airlines
Wed, Dec 10 - Thu, Dec 11
COS
Colorado Springs
PHX
Phoenix
$168 Roundtrip, found 3 hours ago
$168
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Dec 10 from Colorado Springs to Phoenix, returning Thu, Dec 11, priced at $168 found 3 hours ago
Southwest Airlines
Sun, Dec 14 - Tue, Dec 30
COS
Colorado Springs
PHX
Phoenix
$169 Roundtrip, found 2 hours ago
$169
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Sun, Dec 14 from Colorado Springs to Phoenix, returning Tue, Dec 30, priced at $169 found 2 hours ago
Southwest Airlines
Thu, Dec 11 - Sun, Dec 14
COS
Colorado Springs
PHX
Phoenix
$171 Roundtrip, just found
$171
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Dec 11 from Colorado Springs to Phoenix, returning Sun, Dec 14, priced at $171 just found
Southwest Airlines
Wed, Dec 10 - Thu, Dec 11
COS
Colorado Springs
PHX
Phoenix
$172 Roundtrip, found 3 hours ago
$172
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Dec 10 from Colorado Springs to Phoenix, returning Thu, Dec 11, priced at $172 found 3 hours ago
Southwest Airlines
Sun, Dec 14 - Tue, Dec 30
COS
Colorado Springs
PHX
Phoenix
$175 Roundtrip, found 2 hours ago
$175
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Sun, Dec 14 from Colorado Springs to Phoenix, returning Tue, Dec 30, priced at $175 found 2 hours ago
Southwest Airlines
Sun, Dec 14 - Tue, Dec 30
COS
Colorado Springs
PHX
Phoenix
$177 Roundtrip, found 2 hours ago
$177
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Sun, Dec 14 from Colorado Springs to Phoenix, returning Tue, Dec 30, priced at $177 found 2 hours ago
American Airlines
Sun, Dec 14 - Tue, Dec 30
COS
Colorado Springs
PHX
Phoenix
$180 Roundtrip, found 2 hours ago
$180
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sun, Dec 14 from Colorado Springs to Phoenix, returning Tue, Dec 30, priced at $180 found 2 hours ago
Delta
Sun, Dec 14 - Tue, Dec 16
COS
Colorado Springs
PHX
Phoenix
$183 Roundtrip, found 15 hours ago
$183
Roundtrip
found 15 hours ago
Select Delta flight, departing Sun, Dec 14 from Colorado Springs to Phoenix, returning Tue, Dec 16, priced at $183 found 15 hours ago
United
Wed, Dec 10 - Thu, Dec 11
COS
Colorado Springs
PHX
Phoenix
$201 Roundtrip, found 3 hours ago
$201
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Dec 10 from Colorado Springs to Phoenix, returning Thu, Dec 11, priced at $201 found 3 hours ago

Find the cheapest month to fly from Colorado Springs (COS) to Phoenix (PHX)

October is typically the cheapest month to fly

From $148 - $654 per traveler.

Alternative airports near Phoenix

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $315
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $315
Flights from Colorado Springs (COS) to Phoenix (PHX)
Origin airport
Colorado Springs
Destination airport
Sky Harbor Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$165
Distance
550 mi
Average flight time
1 hour 25 mins

Colorado Springs to Phoenix Flights

The cheapest times to fly from Colorado Springs to Phoenix

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Colorado Springs to Phoenix are during the month of December. You can find some of the cheapest flights from Colorado Springs to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Colorado Springs to Phoenix

Sunday is one of the best days to book for cheap flights from Colorado Springs to Phoenix: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Colorado Springs to Phoenix

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Colorado Springs to Phoenix in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Colorado Springs to Phoenix flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Colorado Springs to Phoenix airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX) cost?
Grab a cheap one-way flight from $79 or cheap return flight from $166 from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX)?
The cheapest month to fly from COS to PHX is December, when there's less demand. Off-peak months are generally when you'll find cheap fares for travel between these airports.
Which airlines fly direct from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX)?
Catch a nonstop flight with Southwest Airlines and fly straight from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX).
What is the cheapest airline that flies from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest COS to PHX flight.
How many flights per day from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX)?
With, on average, 2 nonstop flights that operate from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX) daily, you'll be off on your next adventure in no time.
What are the most popular departure times for flights from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX)?
More people fly between COS and PHX at 11 AM than at any other time. Looking for a quieter experience? Pick a flight outside the busiest times and you could save on your ticket as well.
What day of the week has the most flights from COS to PHX?
Friday offers the most flights from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX). Consider jetting off on this day and you'll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX)?
The first flight of the day jetting off from Colorado Springs Airport (COS) is at around 7:00AM UTC-7. Hop on this flight and you'll reach Sky Harbor Intl. Airport (PHX) at approximately 9:10AM UTC-7. The entire trip takes 2h 10m.
How long does it take to fly from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX)?
The average flight duration from COS to PHX is 2 hours and 2 minutes, covering a total distance of 550 mi.
What airline has the least delays from COS to PHX?
Consider booking with Frontier Airlines if you'd like to go straight from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX) without any interruptions. This carrier has the best track record for punctuality, with an on-time score of 100%. Want to get notified of any changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX)?
Opt for a flight from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Phoenix from Colorado Springs Airport (COS)?
If you've booked a direct flight from Colorado Springs Airport (COS) to Phoenix, Sky Harbor Intl. Airport (PHX) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX) last-minute?
Holding off until just before your departure to book a ticket from COS to PHX generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of snagging a bargain.
Is it cheaper to book a COS to PHX flight and hotel package?
Booking a COS to PHX flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX)?
You can usually reschedule or cancel your COS to PHX flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.