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

Currently priced at $232, 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 American Airlines and Spirit Airlines - these airlines can fly you to your destination from $240 and $243, respectively. Frontier is priced at 37% 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 Frontier. According to our data, you can fly for as low as $97. Users have also found prices from $116 and $130 on Spirit Airlines and Sun Country Air, respectively.

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

Most travelers choose Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl, Phoenix Sky Harbor Intl - Washington, D.C. Reagan-National or Phoenix Sky Harbor Intl - Baltimore/Washington when deciding on the best route from Phoenix Sky Harbor Intl Airport to Washington, D.C..

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 $149. On average you can expect to pay $985. The most popular route, (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl), can usually be booked for $228.

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: United Airlines (88%), Avianca (85%), Southwest (83%).

What are the most popular airlines that fly from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

When booking a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C., you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

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

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 36% on your flight compared to booking on days when demand is much higher.

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

Flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. lean towards being more expensive in March. Prices are generally better when you fly from Phoenix Sky Harbor Intl Airport to Washington, D.C. in August, with the cheapest ticket starting at $198.

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 eDreams the most. eDreams 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.

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.

$97+ Flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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”

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 Phoenix Sky Harbor Intl to Washington, D.C. are usually found in August or September, booked 82 days in advance, depart on a Friday or Saturday and return on a Tuesday

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$232 (Kiwi.com)
One-way from	$97 (Kiwi.com)
Popular in	March
Cheapest in	August
Average price	$370
Good round-trip deal	$326 or less
Good one-way deal	$163 or less

Provider with most accurate pricing for Phoenix Sky Harbor Intl-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Washington, D.C. (WAS) flights.

Search Deals

From Phoenix Sky Harbor Intl to Washington, D.C. (WAS)

Search Deals

One-way flight from Phoenix Sky Harbor Intl to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Washington, D.C. (WAS).

Search Deals

Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Washington, D.C. (WAS).

Search Deals

Find 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 April 25, 2025.

Fri 5/165:50 amPHX - BWI

1 stop8h 32mFrontier

Sun 5/186:07 amBWI - PHX

1 stop7h 36mFrontier

Deal found 4/25

$232

Sat 5/1711:46 pmPHX - DCA

Nonstop4h 14mAmerican Airlines

Sat 5/245:00 pmDCA - PHX

Nonstop5h 03mAmerican Airlines

Deal found 4/25

$240

Tue 5/205:54 pmPHX - IAD

1 stop9h 37mFrontier

Mon 5/265:15 amIAD - PHX

1 stop9h 41mFrontier

Deal found 4/24

$240

Fri 5/238:16 pmPHX - DCA

1 stop12h 51mFrontier

Tue 6/107:00 amDCA - PHX

1 stop7h 01mFrontier

Deal found 4/24

$241

Thu 6/1212:54 pmPHX - BWI

1 stop13h 49mSpirit Airlines

Sun 6/156:15 amBWI - PHX

1 stop8h 34mSpirit Airlines

Deal found 4/25

$243

Sat 5/246:30 pmPHX - IAD

1 stop7h 45mUnited Airlines

Wed 5/285:34 pmIAD - PHX

Nonstop4h 48mUnited Airlines

Deal found 4/24

$249

Mon 11/38:10 amPHX - IAD

1 stop8h 35mAlaska Airlines

Fri 11/144:15 pmIAD - PHX

1 stop9h 01mAlaska Airlines

Deal found 4/25

$256

Thu 5/1510:45 amPHX - BWI

1 stop9h 03mMultiple Airlines

Mon 5/196:12 pmBWI - PHX

1 stop8h 43mMultiple Airlines

Deal found 4/25

$269

Wed 5/219:25 amPHX - IAD

Nonstop4h 20mSouthwest

Wed 5/285:30 pmIAD - PHX

Nonstop5h 10mSouthwest

Deal found 4/23

$269

Sat 9/2710:47 amPHX - BWI

1 stop20h 51mSun Country Air

Mon 9/2912:21 pmBWI - PHX

1 stop8h 26mSun Country Air

Deal found 4/25

$275

Sun 6/110:23 pmPHX - DCA

1 stop10h 37mJetBlue

Tue 6/33:15 pmDCA - PHX

1 stop8h 59mJetBlue

Deal found 4/24

$275

Thu 11/67:50 pmPHX - IAD

1 stop13h 03mSun Country Air

Sun 11/912:50 pmIAD - PHX

1 stop7h 42mSun Country Air

Deal found 4/24

$275

Best flights from Sky Harbor Intl to Washington, D.C.
Discover carefully curated flight deals from Sky Harbor Intl to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2025.

Fri 5/165:50 amPHX - BWI

1 stop8h 32mFrontier

Sun 5/186:07 amBWI - PHX

1 stop7h 36mFrontier

Deal found 4/25

$232

Sat 5/1711:46 pmPHX - DCA

Nonstop4h 14mAmerican Airlines

Sat 5/245:00 pmDCA - PHX

Nonstop5h 03mAmerican Airlines

Deal found 4/25

$240

Thu 6/1212:54 pmPHX - BWI

1 stop13h 49mSpirit Airlines

Sun 6/156:15 amBWI - PHX

1 stop8h 34mSpirit Airlines

Deal found 4/25

$243

Sat 5/246:30 pmPHX - IAD

1 stop7h 45mUnited Airlines

Wed 5/285:34 pmIAD - PHX

Nonstop4h 48mUnited Airlines

Deal found 4/24

$249

Thu 5/1510:45 amPHX - BWI

1 stop9h 03mMultiple Airlines

Mon 5/196:12 pmBWI - PHX

1 stop8h 43mMultiple Airlines

Deal found 4/25

$269

Wed 5/219:25 amPHX - IAD

Nonstop4h 20mSouthwest

Wed 5/285:30 pmIAD - PHX

Nonstop5h 10mSouthwest

Deal found 4/23

$269

Sat 9/2710:47 amPHX - BWI

1 stop20h 51mSun Country Air

Mon 9/2912:21 pmBWI - PHX

1 stop8h 26mSun Country Air

Deal found 4/25

$275

Sun 6/110:23 pmPHX - DCA

1 stop10h 37mJetBlue

Tue 6/33:15 pmDCA - PHX

1 stop8h 59mJetBlue

Deal found 4/24

$275

Fri 5/2312:45 amPHX - DCA

1 stop7h 15mDelta

Wed 5/281:53 pmDCA - PHX

1 stop6h 54mDelta

Deal found 4/25

$277

Tue 9/236:15 pmPHX - BWI

1 stop9h 16mAlaska Airlines

Tue 9/307:17 pmBWI - PHX

1 stop18h 47mAlaska Airlines

Deal found 4/25

$296

Thu 10/26:15 pmPHX - IAD

1 stop10h 17mHawaiian Airlines

Mon 10/64:15 pmIAD - PHX

1 stop9h 01mHawaiian Airlines

Deal found 4/24

$318

Tue 5/205:54 pmPHX - IAD

1 stop9h 37mFrontier

Mon 5/265:15 amIAD - PHX

1 stop9h 41mFrontier

Deal found 4/24

$240

Last-minute flights from Sky Harbor Intl to Washington, D.C.
Discover last-minute flight deals from Sky Harbor Intl to Washington, D.C.. Data last updated April 25, 2025 and is based on user searches.

Thu 5/19:24 amPHX - IAD

2 stops27h 51mMultiple Airlines

Sat 5/38:25 amIAD - PHX

2 stops27h 09mMultiple Airlines

Deal found 4/24

$276

Thu 5/110:04 pmPHX - BWI

1 stop19h 27mFrontier

Wed 5/710:40 amBWI - PHX

1 stop30h 26mFrontier

Deal found 4/25

$311

Thu 5/16:16 pmPHX - DCA

2 stops13h 38mAlaska Airlines

Sat 5/38:00 amDCA - PHX

1 stop9h 12mAlaska Airlines

Deal found 4/24

$594

Fri 5/29:35 amPHX - IAD

Nonstop4h 15mSouthwest

Wed 5/75:30 pmIAD - PHX

Nonstop5h 10mSouthwest

Deal found 4/24

$574

Sat 5/310:33 amPHX - IAD

1 stop10h 25mAlaska Airlines

Sun 5/46:30 amIAD - PHX

1 stop9h 24mAlaska Airlines

Deal found 4/25

$277

Sat 5/35:00 pmPHX - BWI

1 stop9h 46mMultiple Airlines

Mon 5/56:12 pmBWI - PHX

1 stop8h 43mMultiple Airlines

Deal found 4/25

$278

Sun 5/46:16 pmPHX - IAD

1 stop9h 15mFrontier

Mon 5/55:26 pmIAD - PHX

1 stop23h 40mFrontier

Deal found 4/25

$241

Sun 5/42:34 pmPHX - BWI

1 stop12h 12mSpirit Airlines

Sat 5/1012:51 pmBWI - PHX

2 stops22h 22mSpirit Airlines

Deal found 4/25

$310

Sun 5/411:51 pmPHX - DCA

Nonstop4h 09mAmerican Airlines

Sat 5/1010:20 amDCA - PHX

Nonstop5h 15mAmerican Airlines

Deal found 4/25

$574

Mon 5/55:50 amPHX - DCA

1 stop8h 09mFrontier

Wed 5/76:00 pmDCA - PHX

1 stop7h 47mFrontier

Deal found 4/24

$270

Mon 5/512:45 amPHX - BWI

1 stop6h 11mAmerican Airlines

Fri 5/97:16 pmBWI - PHX

1 stop7h 11mAmerican Airlines

Deal found 4/25

$307

Mon 5/51:42 pmPHX - BWI

1 stop6h 35mUnited Airlines

Wed 5/76:45 amBWI - PHX

2 stops8h 45mUnited Airlines

Deal found 4/25

$432

One-way flights from Sky Harbor Intl to Washington, D.C.
Search for one-way flight options from Sky Harbor Intl to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated April 25, 2025.

Sat 5/317:18 amPHX - BWI

1 stop6h 35mFrontier

Deal found 4/25

$97

Thu 5/229:19 amPHX - BWI

1 stop17h 51mSpirit Airlines

Deal found 4/25

$116

Fri 7/184:50 pmPHX - BWI

1 stop15h 33mSun Country Air

Deal found 4/25

$130

Tue 6/2410:50 pmPHX - DCA

1 stop8h 53mJetBlue

Deal found 4/24

$138

Tue 7/225:29 pmPHX - IAD

1 stop10h 58mAlaska Airlines

Deal found 4/25

$138

Sat 5/2412:45 amPHX - DCA

1 stop7h 18mDelta

Deal found 4/24

$139

Tue 5/2712:45 amPHX - IAD

1 stop7h 31mDelta

Deal found 4/25

$139

Fri 7/184:50 pmPHX - IAD

1 stop15h 53mSun Country Air

Deal found 4/25

$140

Sat 5/175:00 amPHX - BWI

1 stop6h 37mAmerican Airlines

Deal found 4/25

$141

Thu 6/197:29 pmPHX - IAD

1 stop8h 01mFrontier

Deal found 4/24

$147

Fri 5/27:00 amPHX - DCA

1 stop11h 59mAlaska Airlines

Deal found 4/25

$148

Sat 7/510:50 amPHX - BWI

1 stop9h 34mUnited Airlines

Deal found 4/25

$149

Cheapflights Fare Finder

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

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Fri 5/16

5:50 am-5:22 pm

1 stop8h 32m

Baltimore/Washington

Sun 5/18

6:07 am-10:43 am

1 stop7h 36m

$232

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Sat 5/17

11:46 pm-7:00 am

Nonstop4h 14m

Washington, D.C. Reagan-National

Sat 5/24

5:00 pm-7:03 pm

Nonstop5h 03m

$240

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 5/20

5:54 pm-6:31 am

1 stop9h 37m

Washington, D.C. Dulles Intl

Mon 5/26

5:15 am-11:56 am

1 stop9h 41m

$240

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Fri 5/23

8:16 pm-12:07 pm

1 stop12h 51m

Washington, D.C. Reagan-National

Tue 6/10

7:00 am-11:01 am

1 stop7h 01m

$241

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Thu 6/12

12:54 pm-5:43 am

1 stop13h 49m

Baltimore/Washington

Sun 6/15

6:15 am-11:49 am

1 stop8h 34m

$243

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Sat 5/24

6:30 pm-5:15 am

1 stop7h 45m

Washington, D.C. Dulles Intl

Wed 5/28

5:34 pm-7:22 pm

Nonstop4h 48m

$249

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Thu 5/15

10:45 am-10:48 pm

1 stop9h 03m

Baltimore/Washington

Mon 5/19

6:12 pm-11:55 pm

1 stop8h 43m

$269

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 5/21

9:25 am-4:45 pm

Nonstop4h 20m

Washington, D.C. Dulles Intl

Wed 5/28

5:30 pm-7:40 pm

Nonstop5h 10m

$269

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Sat 9/27

10:47 am-10:38 am

1 stop20h 51m

Baltimore/Washington

Mon 9/29

12:21 pm-5:47 pm

1 stop8h 26m

$275

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Sun 6/1

10:23 pm-12:00 pm

1 stop10h 37m

Washington, D.C. Reagan-National

Tue 6/3

3:15 pm-9:14 pm

1 stop8h 59m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 51 results

...

Compare providers for flights from Sky Harbor Intl to Washington, D.C.

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Flightnetwork	Price Accuracy-	Trust Score*3 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star

*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 eDreams the most. eDreams 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.

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

Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to Washington, D.C. trip

Airports

PHX

PHX offers short security lines, often under 10 minutes. Check live wait times online to choose the shortest lane.

IAD

The Washington Metro Silver Line reaches IAD in under 40 minutes, offering a cheap transit option to the city.

Our travel experts

Brandon Schultz

Expert on PHX

Ramsey Qubein

Expert on IAD

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.?

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 82 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, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. (average of $309). Flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. in June is currently the most expensive (average of $383). 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?

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 33% on your trip compared to booking a flight in the morning.

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

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Washington, D.C. flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday mornings 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.

The most flights from PHX to WAS are scheduled on a Wednesday (17 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

To help decide which airline to fly from Phoenix to Washington, D.C., see what other customers have to say about Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,927 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,289 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,393 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,685 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. round-trip?
Currently priced at $232, 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 American Airlines and Spirit Airlines - these airlines can fly you to your destination from $240 and $243, respectively. Frontier is priced at 37% 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 Frontier. According to our data, you can fly for as low as $97. Users have also found prices from $116 and $130 on Spirit Airlines and Sun Country Air, respectively.
What are the most popular routes from Phoenix Sky Harbor Intl Airport to Washington, D.C.?
Most travelers choose Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl, Phoenix Sky Harbor Intl - Washington, D.C. Reagan-National or Phoenix Sky Harbor Intl - Baltimore/Washington when deciding on the best route 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: United Airlines (88%), Avianca (85%), Southwest (83%).
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 $149. On average you can expect to pay $985. The most popular route, (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl), can usually be booked for $228.
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, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. (average of $309). Flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. in June is currently the most expensive (average of $383). 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

Arlington

Alexandria

Woodbridge

Fairfax

Tysons

Springfield

Rockville

Fredericksburg

Gaithersburg

Silver Spring

Linthicum Heights

Falls Church

Laurel

Easton

Herndon

Bowie

Towson

National Harbor

Oxon Hill

Reston

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$134	Average$263	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$135	Average$210	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$188	Average$347	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$216	Average$442	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$227	Average$275	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$239	Average$393	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$257	Average$449	FlexibilityNo cancel fee	On-time63%

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.

$97+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sky Harbor Intl to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Washington, D.C. are usually found in August or September, booked 82 days in advance, depart on a Friday or Saturday and return on a Tuesday

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find 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 April 25, 2025.

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 April 25, 2025.

Cheapflights Fare Finder

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

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 April.

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

Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to Washington, D.C. trip

Airports

PHX

IAD

Our travel experts

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.

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 April 18, 2025.

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

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 April 25, 2025.

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 30, 2025.

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

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

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.

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

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

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.?

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

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

How can I 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.?

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

Traveling to a place near Phoenix Sky Harbor Intl Airport?

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 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.

100% Free

Book with Flexibility

Travel Smart

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 April 25, 2025.