Southwest® flights from Denver to Phoenix from $46

Promo Code

Low fares from Denver to Phoenix

$

Denver (DEN)to

Phoenix (PHX)
Depart: 01/13/2026

One-way

Basic

From
$46
Seen: 16 minutes ago

Denver (DEN)to

Phoenix (PHX)
Depart: 02/10/2026

One-way

Basic

From
$46
Seen: 1 hour ago

Denver (DEN)to

Phoenix (PHX)
Depart: 01/27/2026

One-way

Basic

From
$46
Seen: 1 hour ago

Denver (DEN)to

Phoenix (PHX)
Depart: 01/17/2026

One-way

Basic

From
$48
Seen: 1 hour ago

Denver (DEN)to

Phoenix (PHX)
Depart: 02/10/2026

One-way

Choice

From
$63
Seen: 1 hour ago

Denver (DEN)to

Phoenix (PHX)
Depart: 01/27/2026

One-way

Choice

From
$63
Seen: 1 hour ago
Two happy travelers riding a scooter at sunset, promoting low-fare flights.

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Denver to Phoenix

Travel tips for your next Southwest flight

Mobile boarding pass on phone screen

How to board the plane earlier on open seating flights departing on or before January 26, 2026:

Southwest seats are first come, first served based on check-in order. But there are ways to board the plane earlier!

Enjoy movies, sips, and snacks during your flight

Enjoy movies, sips, and snacks during your flight.

Take advantage of inflight entertainment with free movies4, free live TV5, free texting6, and $8 inflight Internet7.

We also offer free sodas, coffee, and snacks8learn more about the inflight food and beverage experience.

Make the most of our Rapid Rewards Program

Make the most of our Rapid Rewards® Program.

Rapid Rewards Members can redeem their points for flights, hotel stays, rental cars, gift cards, and more. And your points never expire!

Flight Details

Departing from:
Denver International Airport
Arriving at:
Sky Harbor International Airport
Average flight time:
1 hour 55 minutes
Distance:
602 miles

Route Information

156 Weekly flights
  • 11 Nonstop flights per day Monday through Friday
  • 8 Nonstop flights on Saturday
  • 12 Nonstop flights on Sunday

† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

Explore Phoenix

Phoenix Sky Harbor International Airport is located in between Phoenix and Tempe. Its location offers easy access to both cities along with Scottsdale, which sits northwest of the airport.

If you’re headed west from the airport to Phoenix, there’s a great mix of museums, modern fun, and historic sightseeing. Start with a visit to Tovrea Castle at Carraro Heights. The Jewel in the Desert is a 5,000-square-foot mansion that some say resembles a wedding cake. Learn the home’s unique history and explore the cactus garden on the property.

Questions we hear the most

The average flight time from Denver to Phoenix is 1 hour 55 minutes.
There are 156 weekly flights from Denver to Phoenix on Southwest Airlines.
Yes, Southwest flies nonstop from Denver to Phoenix 11 times per day from Monday through Friday.
Yes, Southwest flies nonstop from Denver to Phoenix 8 times per day on Saturdays and 12 times per day on Sundays.
To find the lowest fares by day and time to fly Denver to Phoenix with Southwest, check out our Low Fare Calendar.
You can rent a car at Sky Harbor International Airport book yours with your flight.
Yes! Flights from Denver to Phoenix—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.

Popular Flights from Denver

1EarlyBird Check-In® pricing starts at $15 one-way, and is subject to availability. Pricing may vary based on the popularity and length of each (one-way) flight. Please see optional travel charges for more details.
2Upgraded boarding prices and benefits are per eligible segment. Flights must be within 24 hours of departure to be eligible for upgraded boarding.
3Where available. Available only on WiFi-enabled aircraft. Limited-time offer.
4Due to licensing restrictions, on WiFi-enabled international flights, free live TV and iHeartRadio may not be available for the full duration of flight.
5Texting only allows access to iMessage and WhatsApp (which must be downloaded and activated before connecting to SouthwestWiFi).
6Internet access for $8 per device from takeoff to landing. Price is subject to change. May not be available for the full duration of flight. In order to provide a top-notch Internet experience, we prohibit access to certain high-bandwidth applications and websites. We also prohibit access to certain obscene or offensive content.
7Flights traveling 175 miles or less will have only water available. Complimentary snacks are served on flights over 175 miles. If you’re flying between Hawaii and the continental U.S., you’ll have even more snacks to choose from.