HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sky Harbor Intl

$117+ Cheap flights from Reagan-National (DCA) to Sky Harbor Intl (PHX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — PHX
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Phoenix Sky Harbor Intl are usually found in August or September, booked 89 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from Reagan-National to Sky Harbor Intl

Cheapest flights from Reagan-National to Sky Harbor Intl
Explore the most affordable flight options available from Reagan-National to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.

This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:00 am
DCA
-
PHX
1 stop9h 01m
Frontier
Sun 3/299:24 pm
PHX
-
DCA
1 stop11h 40m
Frontier
Deal found 3/16$321
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
DCA
-
PHX
2 stops10h 33m
Frontier
Fri 4/109:24 pm
PHX
-
DCA
1 stop21h 35m
Frontier
Deal found 3/18$322
This Expedia deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:00 am
DCA
-
PHX
1 stop7h 45m
Multiple Airlines
Thu 4/167:38 pm
PHX
-
DCA
1 stop17h 22m
Multiple Airlines
Deal found 3/17$323
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:59 pm
DCA
-
PHX
1 stop12h 43m
Frontier
Sat 4/189:52 am
PHX
-
DCA
1 stop9h 07m
Frontier
Deal found 3/18$324
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:00 am
DCA
-
PHX
2 stops12h 57m
Frontier
Fri 4/179:24 pm
PHX
-
DCA
1 stop12h 36m
Frontier
Deal found 3/18$325
This Expedia deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:00 pm
DCA
-
PHX
1 stop7h 47m
Multiple Airlines
Mon 4/1310:06 pm
PHX
-
DCA
1 stop7h 56m
Multiple Airlines
Deal found 3/16$326
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 pm
DCA
-
PHX
1 stop17h 38m
Frontier
Sun 4/268:28 pm
PHX
-
DCA
2 stops17h 31m
Frontier
Deal found 3/16$327
This CheapOair deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/31:00 pm
DCA
-
PHX
1 stop25h 45m
Multiple Airlines
Tue 4/710:06 pm
PHX
-
DCA
1 stop10h 48m
Multiple Airlines
Deal found 3/14$328
This CheapOair deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:00 am
DCA
-
PHX
1 stop30h 42m
Multiple Airlines
Wed 4/156:50 am
PHX
-
DCA
1 stop27h 10m
Multiple Airlines
Deal found 3/17$329
This Frontier deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/238:00 am
DCA
-
PHX
1 stop12h 46m
Frontier
Fri 3/279:24 pm
PHX
-
DCA
1 stop12h 38m
Frontier
Deal found 3/17$330
This CheapOair deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/61:00 pm
DCA
-
PHX
1 stop8h 16m
Multiple Airlines
Fri 4/1011:48 pm
PHX
-
DCA
1 stop29h 11m
Multiple Airlines
Deal found 3/16$332

Find flight deals from Reagan-National to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$321
(Kiwi.com)

One-way from

$117
(Super.com)

Popular in

March

Cheapest in

August

Average price

$543

Good round-trip deal

$499 or less

Good one-way deal

$258 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Phoenix Sky Harbor Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Phoenix Sky Harbor Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Sky Harbor Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 19, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Tue 3/24

6:00 am-11:41 am

1 stop8h 41m

Phoenix Sky Harbor Intl

Tue 3/24

11:05 pm-8:43 am

1 stop6h 38m

$333

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Tue 5/12

7:59 am-2:26 pm

1 stop9h 27m

Phoenix Sky Harbor Intl

Tue 5/12

10:45 pm-10:00 am

1 stop8h 15m

$349

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Fri 4/17

6:59 pm-11:24 pm

1 stop7h 25m

Phoenix Sky Harbor Intl

Fri 4/24

11:05 pm-8:37 am

1 stop6h 32m

$378
Quickest round-trip

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Fri 4/17

4:55 pm-10:10 pm

2 stops8h 15m

Phoenix Sky Harbor Intl

Mon 4/20

11:55 pm-8:25 am

1 stop5h 30m

$392

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Mon 5/4

8:59 am-3:01 pm

1 stop9h 02m

Phoenix Sky Harbor Intl

Fri 5/8

7:15 pm-5:59 pm

2 stops19h 44m

$400

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Sat 4/18

6:30 pm-10:30 pm

1 stop7h 00m

Phoenix Sky Harbor Intl

Sat 4/25

5:30 am-4:15 pm

2 stops7h 45m

$414

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Wed 4/29

7:55 am-1:10 pm

2 stops8h 15m

Phoenix Sky Harbor Intl

Wed 5/6

11:00 am-11:00 pm

2 stops9h 00m

$419

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Sun 4/26

6:00 am-11:46 pm

1 stop20h 46m

Phoenix Sky Harbor Intl

Mon 5/4

10:55 pm-10:19 am

1 stop8h 24m

$420

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Wed 4/22

8:00 am-10:43 pm

2 stops17h 43m

Phoenix Sky Harbor Intl

Mon 4/27

7:15 pm-9:00 pm

1 stop22h 45m

$433

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Wed 5/20

6:30 am-10:49 am

1 stop7h 19m

Phoenix Sky Harbor Intl

Mon 5/25

10:45 pm-10:00 am

1 stop8h 15m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Reagan-National to Sky Harbor Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Sky Harbor Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Sky Harbor Intl. Price data was last updated on March 13, 2026.

The best time to book flights from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport?

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport (average of $131). Flying from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to PHX?

Find hourly flight availability from Reagan-National to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 19, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport as you normally would.

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sky Harbor Intl. Reviews last updated March 19, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,319 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Southwest
8.0
Very good
4,319 reviews
Southwest
8.0
Very good
4,319 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Delta
7.9
Good
8,292 reviews
Southwest
8.0
Very good
4,319 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
United Airlines
7.4
Good
9,439 reviews
Southwest
8.0
Very good
4,319 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
American Airlines
7.1
Good
11,472 reviews
Southwest
8.0
Very good
4,319 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Frontier
5.7
Fair
3,024 reviews
Southwest
8.0
Very good
4,319 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport?

    Departing from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport will take you 8h 15m. There are 1972 mi between Washington, D.C. Reagan-National Airport and Phoenix Sky Harbor Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport round-trip?

    Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport round-trip from $131. Other airlines that can offer you cheap pricing are Delta, from $160, and JetBlue, from $253. You may be able to fly from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport for 70% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $85. United Airlines flights start at $119 while deals on Southwest start at $129 one-way.

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport?

    While on average a flight from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport is generally $1,135, our data shows the cheapest flight currently is $188. When looking at the most popular route, (Washington, D.C. Reagan-National - Phoenix Sky Harbor Intl), you can expect to pay $216 for that flight.

  • Can I find deals for flights from Reagan-National to Sky Harbor Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Sky Harbor Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Sky Harbor Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Sky Harbor Intl.

  • Can I find deals for business class flights from Reagan-National to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Reagan-National to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport (average of $131). Flying from Washington, D.C. Reagan-National Airport to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Goodyear
Glendale
Paradise Valley
Casa Grande
Payson
Peoria
Camp Verde
Chandler
Globe
Surprise
Buckeye
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Sky Harbor Intl flights
Baltimore to Sky Harbor Intl flights

Top 6 airlines flying from Reagan-National to Sky Harbor Intl

Discover the top 6 airlines that operate flights from Reagan-National to Sky Harbor Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$131Average$267FlexibilityNo cancel feeOn-time62%
DeltaCheapest$160Average$378FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$253Average$390FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$258Average$451FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$261Average$448FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$280Average$492FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.