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

Currently priced at $191, Spirit Airlines will fly you from Phoenix Sky Harbor Intl Airport to Washington, D.C. and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $258 and $258, respectively. Spirit Airlines is priced at 48% 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 Spirit Airlines. According to our data, you can fly for as low as $92. Users have also found prices from $120 and $120 on American Airlines and United Airlines, 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 $138. On average you can expect to pay $1,627. The most popular route, (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl), can usually be booked for $239.

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: Southwest (97%), Lufthansa (94%), Avianca (91%).

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 United Airlines 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 September, with the cheapest ticket starting at $162.

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.

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.

$92+ Save on Flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.

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 September or August, booked 78 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	FlightHub 3 stars
Round-trip from	$191 (Cheapflightsfares)
One-way from	$92 (Mytrip)
Popular in	March
Cheapest in	September
Average price	$431
Good round-trip deal	$304 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. 2% potential increase in price ($8 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 March 25, 2025.

Thu 5/12:34 pmPHX - BWI

1 stop12h 12mSpirit Airlines

Mon 5/56:51 amBWI - PHX

1 stop9h 37mSpirit Airlines

Deal found 3/24

$191

Sun 4/611:59 pmPHX - BWI

1 stop11h 43mMultiple Airlines

Mon 4/286:51 amBWI - PHX

1 stop9h 37mMultiple Airlines

Deal found 3/24

$249

Wed 5/1412:59 pmPHX - DCA

Nonstop4h 15mAmerican Airlines

Sun 5/257:30 amDCA - PHX

Nonstop5h 01mAmerican Airlines

Deal found 3/23

$258

Wed 5/148:50 amPHX - IAD

Nonstop4h 18mUnited Airlines

Sat 5/245:34 pmIAD - PHX

Nonstop4h 48mUnited Airlines

Deal found 3/23

$258

Wed 4/3011:43 pmPHX - DCA

1 stop9h 17mJetBlue

Tue 5/612:45 pmDCA - PHX

1 stop11h 29mJetBlue

Deal found 3/24

$276

Mon 4/149:55 pmPHX - BWI

Nonstop4h 15mSouthwest

Tue 4/226:15 amBWI - PHX

Nonstop5h 05mSouthwest

Deal found 3/24

$277

Fri 4/255:40 amPHX - BWI

1 stop8h 18mFrontier

Fri 5/26:12 pmBWI - PHX

1 stop8h 43mFrontier

Deal found 3/24

$278

Wed 4/235:40 amPHX - DCA

1 stop13h 19mFrontier

Wed 4/306:00 pmDCA - PHX

1 stop8h 58mFrontier

Deal found 3/24

$278

Mon 4/149:35 amPHX - IAD

Nonstop4h 15mSouthwest

Sun 4/207:00 pmIAD - PHX

Nonstop5h 10mSouthwest

Deal found 3/23

$283

Wed 4/166:25 pmPHX - IAD

1 stop14h 12mSun Country Air

Mon 4/2111:37 amIAD - PHX

1 stop8h 28mSun Country Air

Deal found 3/23

$284

Thu 4/1712:45 amPHX - DCA

1 stop7h 08mUnited Airlines

Sun 4/202:46 pmDCA - PHX

1 stop7h 52mUnited Airlines

Deal found 3/24

$289

Thu 4/179:24 amPHX - IAD

2 stops22h 56mMultiple Airlines

Mon 4/2111:37 amIAD - PHX

1 stop8h 28mMultiple Airlines

Deal found 3/22

$291

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 March 25, 2025.

Thu 5/12:34 pmPHX - BWI

1 stop12h 12mSpirit Airlines

Mon 5/56:51 amBWI - PHX

1 stop9h 37mSpirit Airlines

Deal found 3/24

$191

Sun 4/611:59 pmPHX - BWI

1 stop11h 43mMultiple Airlines

Mon 4/286:51 amBWI - PHX

1 stop9h 37mMultiple Airlines

Deal found 3/24

$249

Wed 5/1412:59 pmPHX - DCA

Nonstop4h 15mAmerican Airlines

Sun 5/257:30 amDCA - PHX

Nonstop5h 01mAmerican Airlines

Deal found 3/23

$258

Wed 5/148:50 amPHX - IAD

Nonstop4h 18mUnited Airlines

Sun 5/258:15 amIAD - PHX

Nonstop4h 45mUnited Airlines

Deal found 3/23

$258

Wed 4/3011:43 pmPHX - DCA

1 stop9h 17mJetBlue

Tue 5/612:45 pmDCA - PHX

1 stop11h 29mJetBlue

Deal found 3/24

$276

Mon 4/149:55 pmPHX - BWI

Nonstop4h 15mSouthwest

Tue 4/226:15 amBWI - PHX

Nonstop5h 05mSouthwest

Deal found 3/24

$277

Fri 4/255:40 amPHX - BWI

1 stop8h 18mFrontier

Fri 5/26:12 pmBWI - PHX

1 stop8h 43mFrontier

Deal found 3/24

$278

Wed 4/235:00 pmPHX - IAD

1 stop11h 43mAlaska Airlines

Mon 4/287:00 amIAD - PHX

1 stop11h 49mAlaska Airlines

Deal found 3/24

$296

Tue 4/2211:50 pmPHX - BWI

1 stop6h 22mDelta

Tue 4/298:05 amBWI - PHX

1 stop7h 27mDelta

Deal found 3/25

$297

Thu 5/156:25 pmPHX - IAD

1 stop15h 13mSun Country Air

Sun 5/1811:37 amIAD - PHX

1 stop24h 18mSun Country Air

Deal found 3/24

$305

Wed 4/235:00 pmPHX - IAD

1 stop11h 43mHawaiian Airlines

Sat 4/267:00 amIAD - PHX

1 stop11h 49mHawaiian Airlines

Deal found 3/24

$307

Thu 5/19:24 amPHX - IAD

2 stops22h 56mMultiple Airlines

Sun 5/412:49 pmIAD - PHX

1 stop7h 30mMultiple Airlines

Deal found 3/24

$269

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 March 25, 2025 and is based on user searches.

Tue 4/15:15 amPHX - BWI

1 stop10h 31mSpirit Airlines

Tue 4/86:00 amBWI - PHX

1 stop12h 07mSpirit Airlines

Deal found 3/24

$236

Tue 4/13:08 pmPHX - IAD

1 stop11h 26mAlaska Airlines

Tue 4/87:00 amIAD - PHX

2 stops14h 51mAlaska Airlines

Deal found 3/23

$586

Wed 4/212:37 pmPHX - IAD

2 stops8h 21mAmerican Airlines

Mon 4/78:14 pmIAD - PHX

1 stop6h 42mAmerican Airlines

Deal found 3/24

$599

Fri 4/46:40 amPHX - BWI

1 stop8h 19mMultiple Airlines

Mon 4/710:42 amBWI - PHX

1 stop14h 20mMultiple Airlines

Deal found 3/24

$256

Fri 4/46:40 amPHX - BWI

1 stop8h 19mFrontier

Sun 4/63:53 pmBWI - PHX

1 stop10h 26mFrontier

Deal found 3/24

$278

Fri 4/48:52 pmPHX - DCA

1 stop12h 12mFrontier

Mon 4/77:00 amDCA - PHX

1 stop13h 58mFrontier

Deal found 3/24

$278

Fri 4/411:19 pmPHX - IAD

1 stop9h 39mFrontier

Sun 4/611:45 amIAD - PHX

1 stop14h 34mFrontier

Deal found 3/24

$278

Fri 4/411:19 pmPHX - IAD

1 stop9h 39mMultiple Airlines

Mon 4/76:35 amIAD - PHX

1 stop19h 14mMultiple Airlines

Deal found 3/24

$308

Fri 4/48:35 amPHX - DCA

Nonstop4h 15mAmerican Airlines

Mon 4/75:00 pmDCA - PHX

Nonstop5h 03mAmerican Airlines

Deal found 3/24

$574

Fri 4/49:40 amPHX - IAD

Nonstop4h 05mSouthwest

Mon 4/75:30 pmIAD - PHX

Nonstop5h 15mSouthwest

Deal found 3/24

$574

Fri 4/410:35 pmPHX - IAD

1 stop8h 30mDelta

Mon 4/73:05 pmIAD - PHX

1 stop9h 49mDelta

Deal found 3/24

$594

Fri 4/48:50 amPHX - DCA

1 stop8h 20mSouthwest

Mon 4/74:45 pmDCA - PHX

2 stops8h 35mSouthwest

Deal found 3/24

$599

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 March 25, 2025.

Wed 4/235:46 pmPHX - BWI

2 stops25h 31mSpirit Airlines

Deal found 3/24

$92

Sat 5/2411:46 pmPHX - DCA

Nonstop4h 14mAmerican Airlines

Deal found 3/24

$120

Sat 5/2411:39 pmPHX - IAD

Nonstop4h 23mUnited Airlines

Deal found 3/24

$120

Mon 5/510:25 pmPHX - DCA

1 stop10h 35mJetBlue

Deal found 3/24

$128

Thu 5/19:24 amPHX - IAD

2 stops22h 56mMultiple Airlines

Deal found 3/24

$129

Sat 4/197:55 amPHX - DCA

1 stop6h 10mSouthwest

Deal found 3/24

$130

Thu 5/86:25 pmPHX - IAD

1 stop14h 58mSun Country Air

Deal found 3/23

$133

Wed 4/211:08 amPHX - DCA

1 stop7h 51mFrontier

Deal found 3/24

$139

Wed 4/211:59 pmPHX - IAD

1 stop7h 56mFrontier

Deal found 3/24

$139

Fri 6/2011:59 pmPHX - BWI

1 stop8h 24mSun Country Air

Deal found 3/24

$140

Sun 4/611:59 pmPHX - BWI

1 stop11h 43mFrontier

Deal found 3/24

$145

Wed 5/73:08 pmPHX - BWI

1 stop11h 38mAlaska Airlines

Deal found 3/24

$148

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

Thu 5/1

2:34 pm-5:46 am

1 stop12h 12m

Baltimore/Washington

Mon 5/5

6:51 am-1:28 pm

1 stop9h 37m

$191

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Sun 4/6

11:59 pm-2:42 pm

1 stop11h 43m

Baltimore/Washington

Mon 4/28

6:51 am-1:28 pm

1 stop9h 37m

$249

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Wed 5/14

12:59 pm-8:14 pm

Nonstop4h 15m

Washington, D.C. Reagan-National

Sun 5/25

7:30 am-9:31 am

Nonstop5h 01m

$258

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 5/14

8:50 am-4:08 pm

Nonstop4h 18m

Washington, D.C. Dulles Intl

Sun 5/25

8:15 am-10:00 am

Nonstop4h 45m

$258

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Wed 4/30

11:43 pm-12:00 pm

1 stop9h 17m

Washington, D.C. Reagan-National

Tue 5/6

12:45 pm-9:14 pm

1 stop11h 29m

$276

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Mon 4/14

9:55 pm-5:10 am

Nonstop4h 15m

Baltimore/Washington

Tue 4/22

6:15 am-8:20 am

Nonstop5h 05m

$277

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Fri 4/25

5:40 am-4:58 pm

1 stop8h 18m

Baltimore/Washington

Fri 5/2

6:12 pm-11:55 pm

1 stop8h 43m

$278

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Wed 4/23

5:40 am-9:59 pm

1 stop13h 19m

Washington, D.C. Reagan-National

Wed 4/30

6:00 pm-11:58 pm

1 stop8h 58m

$278

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Mon 4/14

9:35 am-4:50 pm

Nonstop4h 15m

Washington, D.C. Dulles Intl

Sun 4/20

7:00 pm-9:10 pm

Nonstop5h 10m

$283

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 4/16

6:25 pm-11:37 am

1 stop14h 12m

Washington, D.C. Dulles Intl

Mon 4/21

11:37 am-5:05 pm

1 stop8h 28m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 50 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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust 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.

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 78 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 $387). 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. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,785 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,272 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,890 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,330 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,605 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $191, Spirit Airlines will fly you from Phoenix Sky Harbor Intl Airport to Washington, D.C. and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $258 and $258, respectively. Spirit Airlines is priced at 48% 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 Spirit Airlines. According to our data, you can fly for as low as $92. Users have also found prices from $120 and $120 on American Airlines and United Airlines, 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: Southwest (97%), Lufthansa (94%), Avianca (91%).
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 $138. On average you can expect to pay $1,627. The most popular route, (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl), can usually be booked for $239.
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 $387). 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

Fairfax

Tysons

Springfield

Rockville

Woodbridge

Gaithersburg

Fredericksburg

Linthicum Heights

Silver Spring

Falls Church

Laurel

Easton

Herndon

Bowie

Gettysburg

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$135	Average$249	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$135	Average$219	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$188	Average$353	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$218	Average$429	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$227	Average$275	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$242	Average$459	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$253	Average$400	FlexibilityNo cancel fee	On-time69%

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.

$92+ 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 4/23. 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 September or August, booked 78 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 March 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 March 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 March.

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 March 21, 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 March 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 16, 2025.

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 March 25, 2025.