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Find low faresSouthwest® flights from Washington, D.C. (Reagan National) to Phoenix from $141
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1 Passenger
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Low fares from Washington, D.C. (Reagan National) to Phoenix
$
Washington, D.C. (Reagan National) (DCA)to
Phoenix (PHX)
Depart: 02/28/2026
One-way
Basic
From
$141
Seen: 53 minutes ago
Washington, D.C. (Reagan National) (DCA)to
Phoenix (PHX)
Depart: 02/21/2026
One-way
Basic
From
$148
Seen: 2 hrs ago
Washington, D.C. (Reagan National) (DCA)to
Phoenix (PHX)
Depart: 03/24/2026
One-way
Basic
From
$148
Seen: 10 hrs ago
Washington, D.C. (Reagan National) (DCA)to
Phoenix (PHX)
Depart: 03/10/2026
One-way
Basic
From
$153
Seen: 8 hrs ago
Washington, D.C. (Reagan National) (DCA)to
Phoenix (PHX)
Depart: 04/21/2026
One-way
Basic
From
$153
Seen: 6 hrs ago
Washington, D.C. (Reagan National) (DCA)to
Phoenix (PHX)
Depart: 04/07/2026
One-way
Basic
From
$153
Seen: 6 hrs ago
Explore flights from Washington, D.C. (Reagan National) to Phoenix
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Flight Details
Departing from:
Ronald Reagan National Airport
Arriving at:
Sky Harbor International Airport
Distance:
1979 miles
Route Information
156† Weekly flights
† 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.
Questions we hear the most
There are 156 weekly flights from Washington, D.C. (Reagan National) to Phoenix on Southwest Airlines.
To find the lowest fares by day and time to fly Washington, D.C. (Reagan National) 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 Washington, D.C. (Reagan National) 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.