$102 Cheap Flights from Colorado Springs (COS) to Phoenix (PHX)

View $102 flight on Tue, May 20, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $102 for one-way flights and $203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Jul 1 - Thu, Jul 3
COS
Colorado Springs
PHX
Phoenix
$203 Roundtrip, found 5 hours ago
$203
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Tue, Jul 1 from Colorado Springs to Phoenix, returning Thu, Jul 3, priced at $203 found 5 hours ago
United
Wed, May 21 - Sat, May 24
COS
Colorado Springs
PHX
Phoenix
$208 Roundtrip, found 12 hours ago
$208
Roundtrip
found 12 hours ago
Select United flight, departing Wed, May 21 from Colorado Springs to Phoenix, returning Sat, May 24, priced at $208 found 12 hours ago
United
Wed, May 14 - Wed, May 21
COS
Colorado Springs
PHX
Phoenix
$213 Roundtrip, found 1 day ago
$213
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 14 from Colorado Springs to Phoenix, returning Wed, May 21, priced at $213 found 1 day ago
Southwest Airlines
Wed, May 14 - Wed, May 21
COS
Colorado Springs
PHX
Phoenix
$213 Roundtrip, found 1 day ago
$213
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, May 14 from Colorado Springs to Phoenix, returning Wed, May 21, priced at $213 found 1 day ago
United
Wed, May 21 - Sat, May 24
COS
Colorado Springs
PHX
Phoenix
$216 Roundtrip, found 12 hours ago
$216
Roundtrip
found 12 hours ago
Select United flight, departing Wed, May 21 from Colorado Springs to Phoenix, returning Sat, May 24, priced at $216 found 12 hours ago
United
Tue, Jul 1 - Thu, Jul 3
COS
Colorado Springs
PHX
Phoenix
$216 Roundtrip, found 5 hours ago
$216
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jul 1 from Colorado Springs to Phoenix, returning Thu, Jul 3, priced at $216 found 5 hours ago
American Airlines
Wed, Jun 11 - Sun, Jun 15
COS
Colorado Springs
PHX
Phoenix
$219 Roundtrip, just found
$219
Roundtrip
just found
Select American Airlines flight, departing Wed, Jun 11 from Colorado Springs to Phoenix, returning Sun, Jun 15, priced at $219 just found
United
Wed, Jul 16 - Wed, Jul 23
COS
Colorado Springs
PHX
Phoenix
$220 Roundtrip, found 5 hours ago
$220
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Jul 16 from Colorado Springs to Phoenix, returning Wed, Jul 23, priced at $220 found 5 hours ago
United
Tue, Jun 3 - Fri, Jun 20
COS
Colorado Springs
PHX
Phoenix
$221 Roundtrip, found 19 hours ago
$221
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Jun 3 from Colorado Springs to Phoenix, returning Fri, Jun 20, priced at $221 found 19 hours ago
Delta
Thu, Oct 2 - Mon, Oct 6
COS
Colorado Springs
PHX
Phoenix
$227 Roundtrip, found 4 hours ago
$227
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Oct 2 from Colorado Springs to Phoenix, returning Mon, Oct 6, priced at $227 found 4 hours ago
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
$203
Distance
550 mi

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 July. 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 $102 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?
Score cheap return tickets from Colorado Springs Airport (COS) to Sky Harbor Intl. Airport (PHX) starting from $203. Snag a seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving COS on May 14 2025 and touching down at PHX. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from COS to PHX?
The cheapest flights from COS to PHX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 COS to PHX?
With prices starting from $102 for a one-way flight from COS to PHX, Southwest Airlines is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from COS on June 4 2025. Prices were last updated on April 24 2025 and have not changed since.
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.