$139 Cheap Delta flights Washington (DCA) to Phoenix (PHX)

View $139 flight on Sat, Sep 27, 2025Opens in a new window

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$139 Cheap Delta flights Washington (DCA) to Phoenix (PHX)

Prices were available within the past 7 days and start at $139 for one-way flights and $261 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug 6 - Wed, Aug 27
DCA
Washington
PHX
Phoenix
$261 Roundtrip, found 8 hours ago
$261
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Aug 6 from Washington to Phoenix, returning Wed, Aug 27, priced at $261 found 8 hours ago
Delta
Fri, Oct 31 - Tue, Nov 4
DCA
Washington
PHX
Phoenix
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Oct 31 from Washington to Phoenix, returning Tue, Nov 4, priced at $270 found 1 day ago
Delta
Sat, Sep 27 - Tue, Sep 30
DCA
Washington
PHX
Phoenix
$277 Roundtrip, found 1 hour ago
$277
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Sep 27 from Washington to Phoenix, returning Tue, Sep 30, priced at $277 found 1 hour ago
Flights from Washington (DCA) to Phoenix (PHX)
Origin airport
Ronald Reagan Washington National
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
1974 mi
Average flight time
2 hours 55 mins

Frequently asked questions

How much is a Delta Air Lines flight from Ronald Reagan Washington National Airport (DCA) to Sky Harbor Intl. Airport (PHX)?
Scoring cheap one-way Delta Air Lines flights from DCA to PHX from $139 on Expedia is easy --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $261 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DCA to PHX with Delta Air Lines?
Delta Air Lines flights to Phoenix are typically cheaper in the low-season months of July and August. Whether you're in search of a one-way or round-trip ticket, you could score a better deal then.
What is the cheapest time to book flights from Ronald Reagan Washington National Airport (DCA) to Sky Harbor Intl. Airport (PHX) with Delta Air Lines?
Search for cheap Delta Air Lines flights from Ronald Reagan Washington National Airport (DCA) to Sky Harbor Intl. Airport (PHX) one to three months before your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Ronald Reagan Washington National Airport (DCA) to Sky Harbor Intl. Airport (PHX)?
To figure out if there's a direct trip from DCA to PHX with Delta Air Lines or any other carriers, use our "Nonstop" filter when browsing for flights.
What is the earliest Delta Air Lines flight from DCA to PHX?
Filter your results by "Morning" and "Early Morning" to find the earliest flights from DCA to PHX. Setting off early means you're 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Phoenix?
Sky Harbor Intl. Airport (PHX) is the main Phoenix hub for Delta Air Lines flights from Ronald Reagan Washington National Airport (DCA).
Why fly with Delta Air Lines from DCA to PHX?
With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is the leading choice for many passengers flying from DCA to PHX. Plus, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Ronald Reagan Washington National Airport (DCA) to Sky Harbor Intl. Airport (PHX)?
Depending on the type of ticket you purchased, a fee is typically charged if you cancel or change your flight more than 24 hours after it's confirmed. To secure flexible fares, select our "Changes included" and "No cancel fee" boxes when you look for flights. For more information on canceling or modifying your reservation, head to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.