Washington, D.C.

$66+ Cheap flights from Sky Harbor Intl (PHX) to Washington, D.C. (WAS)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — WAS
Apr 27 — May 41
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Find cheap flights from Sky Harbor Intl to Washington, D.C. 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”

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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Washington, D.C. are usually found in August or December, booked 88 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Sky Harbor Intl to Washington, D.C.

Cheapest flights from Sky Harbor Intl to Washington, D.C.
Explore the most affordable flight options available from Sky Harbor Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/26. 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 5/209:15 am
PHX
-
BWI
1 stop8h 08m
Frontier
Sun 5/247:07 pm
BWI
-
PHX
2 stops21h 02m
Frontier
Deal found 3/26$228
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Mon 4/209:24 pm
PHX
-
BWI
2 stops34h 58m
Multiple Airlines
Wed 5/69:13 pm
BWI
-
PHX
1 stop18h 56m
Multiple Airlines
Deal found 3/27$229
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/2911:30 pm
PHX
-
BWI
1 stop16h 00m
Frontier
Tue 6/29:25 pm
BWI
-
PHX
2 stops18h 44m
Frontier
Deal found 3/27$230
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Sat 5/169:15 am
PHX
-
BWI
1 stop8h 08m
Frontier
Tue 5/199:25 pm
BWI
-
PHX
2 stops26h 55m
Frontier
Deal found 3/24$232
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Thu 4/169:00 am
PHX
-
BWI
1 stop22h 00m
Multiple Airlines
Sat 4/184:34 pm
BWI
-
PHX
1 stop9h 55m
Multiple Airlines
Deal found 3/24$233
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 5/196:30 am
PHX
-
BWI
1 stop8h 07m
Frontier
Tue 5/199:25 pm
BWI
-
PHX
2 stops26h 55m
Frontier
Deal found 3/23$234
This Expedia deal was found by Cheapflights users on 3/25. 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.
Sat 4/117:00 am
PHX
-
BWI
1 stop7h 33m
Frontier
Sat 4/185:45 pm
BWI
-
PHX
1 stop8h 33m
Frontier
Deal found 3/25$235
This CheapOair deal was found by Cheapflights users on 3/28. 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.
Thu 4/1611:19 am
PHX
-
BWI
1 stop25h 28m
Frontier
Sun 4/194:44 pm
BWI
-
PHX
1 stop20h 13m
Frontier
Deal found 3/28$236
This CheapOair deal was found by Cheapflights users on 3/25. 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.
Thu 4/98:35 am
PHX
-
BWI
1 stop13h 09m
Frontier
Mon 4/1310:00 pm
BWI
-
PHX
1 stop28h 18m
Frontier
Deal found 3/25$237
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 5/69:15 am
PHX
-
BWI
1 stop8h 08m
Frontier
Sat 5/91:13 pm
BWI
-
PHX
1 stop11h 07m
Frontier
Deal found 3/24$238
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Thu 4/1612:50 pm
PHX
-
BWI
2 stops25h 37m
Frontier
Sat 4/184:34 pm
BWI
-
PHX
1 stop9h 55m
Frontier
Deal found 3/24$239
This Frontier deal was found by Cheapflights users on 3/27. 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.
Sat 4/46:00 am
PHX
-
BWI
1 stop8h 44m
Frontier
Fri 4/175:35 pm
BWI
-
PHX
1 stop8h 43m
Frontier
Deal found 3/27$240

Find flight deals from Sky Harbor Intl to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Washington, D.C. (WAS). 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 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$228
(Kiwi.com)

One-way from

$66

Popular in

March

Cheapest in

August

Average price

$458

Good round-trip deal

$402 or less

Good one-way deal

$235 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Washington, D.C. (WAS) flights.
From Phoenix Sky Harbor Intl to Washington, D.C. (WAS)
One-way flight from Phoenix Sky Harbor Intl to Washington, D.C. (WAS)
Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Washington, D.C. (WAS).
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Washington, D.C. (WAS).

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to Washington, D.C. 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 28, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Wed 5/27

12:59 am-11:05 am

1 stop7h 06m

Baltimore/Washington

Sun 6/7

6:19 am-10:50 am

1 stop7h 31m

$282

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Sat 5/16

7:30 am-2:56 pm

Nonstop4h 26m

Washington, D.C. Dulles Intl

Tue 5/19

5:42 pm-10:59 pm

1 stop8h 17m

$327

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 4/14

8:35 am-3:50 pm

Nonstop4h 15m

Washington, D.C. Dulles Intl

Tue 4/21

4:30 pm-9:40 pm

1 stop8h 10m

$337

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Sat 5/16

7:55 am-6:55 pm

1 stop8h 00m

Washington, D.C. Reagan-National

Tue 5/19

6:10 am-11:50 am

2 stops8h 40m

$343

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 4/29

7:35 am-3:01 pm

Nonstop4h 26m

Washington, D.C. Dulles Intl

Fri 5/8

9:00 am-11:10 am

Nonstop5h 10m

$350

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Wed 4/22

10:30 am-10:44 pm

1 stop9h 14m

Baltimore/Washington

Sat 4/25

6:00 am-2:28 pm

2 stops11h 28m

$352

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Thu 5/28

12:59 am-11:05 am

1 stop7h 06m

Baltimore/Washington

Tue 6/2

7:00 am-12:09 pm

1 stop8h 09m

$353

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 5/7

12:30 pm-10:49 pm

1 stop7h 19m

Washington, D.C. Dulles Intl

Mon 5/11

5:23 pm-7:39 pm

Nonstop5h 16m

$363

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Tue 5/12

10:30 pm-5:40 am

Nonstop4h 10m

Baltimore/Washington

Thu 7/2

10:40 am-2:30 pm

1 stop6h 50m

$370

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Fri 4/17

1:15 pm-11:44 pm

1 stop7h 29m

Washington, D.C. Dulles Intl

Tue 4/21

3:00 pm-7:11 pm

1 stop7h 11m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Sky Harbor Intl to Washington, D.C.

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 Sky Harbor Intl to Washington, D.C. in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Super.comPrice Accuracy-Trust Score*3 stars
PricelinePrice 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 Phoenix Sky Harbor Intl Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Washington, D.C. 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 Phoenix Sky Harbor Intl Airport-Washington, D.C. 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 Sky Harbor Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Washington, D.C.

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

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

The price you pay for your flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. (average of $144). Flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. in February is currently the most expensive (average of $211). 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 PHX to WAS?

Find hourly flight availability from Sky Harbor Intl to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2026.

A simple way to save on the total cost of your ticket is to fly from Phoenix Sky Harbor Intl Airport to Washington, D.C. in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Washington, D.C.. Price data was last updated on March 23, 2026.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Washington, D.C. flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Washington, D.C.

Explore weekly flight availability from Sky Harbor Intl to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 28, 2026.

The most flights from PHX to WAS are scheduled on a Saturday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

What’s the top layover airport for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

Share of 1-stop round-trip flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same layover each way.

Denver (DEN) – chosen by Cheapflights users on 57% of 1-stop itineraries from Phoenix Sky Harbor Intl Airport to Washington, D.C. on Cheapflights.

What’s the cheapest layover airport for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

Average round-trip fare for 1-stop flights from Phoenix Sky Harbor Intl Airport to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same layover each way.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $234.

What’s the fastest layover option from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

Shortest average travel time for 1-stop one-way flights from Phoenix Sky Harbor Intl Airport to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Kansas City (MCI) have the shortest average one-way travel time for 1-stop routes: 6h 10m.

Which airport typically offers the quickest layover for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

Average layover duration for 1-stop one-way flights from Phoenix Sky Harbor Intl Airport to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Kansas City (MCI) offer the fastest connection on this route, with an average layover time of 0h 58m.

How often are flights from Phoenix to Washington, D.C. delayed?

About 12% of weekly flights between Phoenix and Washington, D.C. have experienced delays in the past year, with the average delay time being 130 minutes.

What is the most punctual flight time for Phoenix to Washington, D.C. flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Phoenix to Washington, D.C. flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 8% of flights being delayed.

The best insider tips for Phoenix Sky Harbor Intl Airport to Washington, D.C. flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to Washington, D.C. trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated March 28, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Phoenix Sky Harbor Intl Airport to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Washington, D.C.. 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 Phoenix Sky Harbor Intl Airport to Washington, D.C.?

    Delta, United Airlines, and Southwest can get you from Phoenix Sky Harbor Intl Airport to Washington, D.C. in just under 4h 15m. Your travel time can differ by up to 2h 51m. Airlines will cover a distance of 1950 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $147, Frontier will fly you from Phoenix Sky Harbor Intl Airport to Washington, D.C. and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Southwest - these airlines can fly you to your destination from $187 and $236, respectively. Frontier is priced at 59% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $77. Users have also found prices from $78 and $128 on Frontier and Alaska Airlines, respectively.

  • What are the most popular routes from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix Sky Harbor Intl Airport to Washington, D.C. on time: Lufthansa (98%), Brussels Airlines (95%), Austrian Airlines (94%).

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

    The cheapest flight price from Phoenix Sky Harbor Intl Airport to Washington, D.C. is $171. On average you can expect to pay $1,083. The most popular route, (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl), can usually be booked for $160.

  • Can I find deals for flights from Sky Harbor Intl to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Washington, D.C.?

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

  • Can I find deals for business class flights from Sky Harbor Intl to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Washington, D.C. 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 Phoenix Sky Harbor Intl Airport to Washington, D.C.?

    Currently, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. (average of $144). Flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. in February is currently the most expensive (average of $211). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
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Alternative routes for Sky Harbor Intl to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Sky Harbor Intl to Washington, D.C.

Discover the top 7 airlines that operate flights from Sky Harbor Intl to Washington, D.C.. 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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$115Average$270FlexibilityNo cancel feeOn-time65%
FrontierCheapest$142Average$266FlexibilityNo cancel feeOn-time62%
DeltaCheapest$187Average$331FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$216Average$383FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$219Average$383FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$236Average$445FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$242Average$285FlexibilityNo cancel feeOn-time62%

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