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

View $139 flight on Wed, Aug 13, 2025Opens in a new window

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

Prices were available within the past 7 days and start at $139 for one-way flights and $268 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 30 - Wed, Oct 8
PHX
Phoenix
DCA
Washington
$268 Roundtrip, just found
$268
Roundtrip
just found
Select Delta flight, departing Tue, Sep 30 from Phoenix to Washington, returning Wed, Oct 8, priced at $268 just found
Delta
Tue, Sep 2 - Wed, Sep 10
PHX
Phoenix
DCA
Washington
$271 Roundtrip, just found
$271
Roundtrip
just found
Select Delta flight, departing Tue, Sep 2 from Phoenix to Washington, returning Wed, Sep 10, priced at $271 just found
Delta
Tue, Nov 11 - Sun, Nov 16
PHX
Phoenix
DCA
Washington
$276 Roundtrip, found 3 hours ago
$276
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Nov 11 from Phoenix to Washington, returning Sun, Nov 16, priced at $276 found 3 hours ago
Delta
Tue, Aug 5 - Tue, Aug 12
PHX
Phoenix
DCA
Washington
$277 Roundtrip, just found
$277
Roundtrip
just found
Select Delta flight, departing Tue, Aug 5 from Phoenix to Washington, returning Tue, Aug 12, priced at $277 just found
Flights from Phoenix (PHX) to Washington (DCA)
Origin airport
Sky Harbor Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
American Airlines
Distance
1974 mi
Average flight time
8 hours 34 mins

Frequently asked questions

How much is a Delta Air Lines flight from Sky Harbor Intl. Airport (PHX) to Ronald Reagan Washington National Airport (DCA)?
You'll discover cheap round-trip Delta Air Lines flights from $268 from PHX to DCA by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $139 for a one-way journey.**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 PHX to DCA with Delta Air Lines?
Delta Air Lines flights to Washington tend to be cheaper in the low-season months of January and February. Whether you're in search of a return or one-way ticket, you could find a better deal then.
What is the cheapest time to book flights from Sky Harbor Intl. Airport (PHX) to Ronald Reagan Washington National Airport (DCA) with Delta Air Lines?
Start searching one to three months ahead of your departure date to find cheaper fares on Delta Air Lines flights from Sky Harbor Intl. Airport (PHX) to Ronald Reagan Washington National Airport (DCA). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic flights.*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 Sky Harbor Intl. Airport (PHX) to Ronald Reagan Washington National Airport (DCA)?
Enter your dates, click search and tick the "Nonstop" filter on Expedia to browse any direct flights from PHX to DCA with Delta Air Lines or another carrier.
What is the earliest Delta Air Lines flight from PHX to DCA?
To find the earliest departure from PHX to DCA with Delta Air Lines, filter your search by "Morning" and "Early Morning." Booking an early flight usually means you'll experience fewer 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 Washington?
Delta Air Lines flights from Sky Harbor Intl. Airport (PHX) to Washington come in to Ronald Reagan Washington National Airport (DCA). This is the main entry point to this city.
Why fly with Delta Air Lines from PHX to DCA?
Jetting off from PHX to DCA with Delta Air Lines comes with a range of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*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 Sky Harbor Intl. Airport (PHX) to Ronald Reagan Washington National Airport (DCA)?
Depending on your fare type, a fee will generally apply if you cancel or change your flight more than 24 hours after confirmation. To find flexible fares, select our "No cancel fee" or "Changes included" filter when you look for flights. For more details on modifying or canceling your reservation, visit "Trips," select your flight and tick "Manage Booking."

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*Available to One Key members.