Cheap flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. from $86

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. departing on 10/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.

Cheap round-trip flights

Frontier Logo
5:15 am - 12:09 amPHX-BWI
15h 54m2 stops
Frontier Logo
3:05 pm - 11:29 pmBWI-PHX
11h 24m1 stop
$193Frontier
Find Deal
Sat, Oct 25 - Sat, Nov 1
Frontier Logo
9:59 pm - 5:44 pmPHX-BWI
16h 45m1 stop
Frontier Logo
6:29 pm - 10:16 pmBWI-PHX
6h 47m1 stop
$195Frontier
Find Deal
Sun, Oct 19 - Mon, Oct 27
Frontier Logo
1:28 pm - 12:02 amPHX-BWI
7h 34m1 stop
Frontier Logo
9:13 am - 11:50 pmBWI-PHX
16h 37m2 stops
$197Frontier
Find Deal
Sat, Nov 1 - Mon, Nov 10
American Airlines Logo
12:59 am - 7:00 amPHX-DCA
4h 01mnonstop
American Airlines Logo
7:00 am - 10:25 amDCA-PHX
5h 25mnonstop
$277American Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
Southwest Logo
5:20 am - 12:35 pmPHX-BWI
4h 15mnonstop
Southwest Logo
6:35 am - 8:40 amBWI-PHX
5h 05mnonstop
$277Southwest
Find Deal
Wed, Oct 22 - Sat, Oct 25
Southwest Logo
8:00 am - 5:00 pmPHX-BWI
6h 00m1 stop
Southwest Logo
6:40 am - 8:45 amBWI-PHX
5h 05mnonstop
$283Southwest
Find Deal
Sat, Oct 25 - Mon, Oct 27
American Airlines Logo
12:59 am - 7:00 amPHX-DCA
4h 01mnonstop
American Airlines Logo
7:00 am - 10:25 amDCA-PHX
5h 25mnonstop
$284American Airlines
Find Deal
Mon, Nov 10 - Sat, Nov 15
Delta Logo
12:59 am - 11:12 amPHX-DCA
8h 13m1 stop
Delta Logo
6:06 am - 11:23 amDCA-PHX
7h 17m1 stop
$297Delta
Find Deal
Thu, Nov 13 - Sun, Nov 16
Delta Logo
12:59 am - 11:07 amPHX-IAD
8h 08m1 stop
Delta Logo
6:00 am - 11:23 amIAD-PHX
7h 23m1 stop
$297Delta
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
9:40 am - 8:42 pmPHX-IAD
9h 02m1 stop
United Airlines Logo
12:35 pm - 3:42 pmIAD-PHX
5h 07mnonstop
$315United Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9

Delta flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.

Our best Delta deals on Phoenix Sky Harbor Intl Airport to Washington, D.C. flight tickets
Delta
Nov 12
PHX12:59 amPhoenix Sky Harbor Intl
8h 08m
1 stop
IAD11:07 amWashington, D.C. Dulles Intl
Nov 16
IAD6:00 amWashington, D.C. Dulles Intl
7h 23m
1 stop
PHX11:23 amPhoenix Sky Harbor Intl
Delta
Dec 13
PHX12:45 pmPhoenix Sky Harbor Intl
8h 23m
1 stop
IAD11:08 pmWashington, D.C. Dulles Intl
Dec 16
IAD7:01 amWashington, D.C. Dulles Intl
8h 26m
1 stop
PHX1:27 pmPhoenix Sky Harbor Intl
Delta
Nov 1
PHX1:20 pmPhoenix Sky Harbor Intl
7h 13m
1 stop
IAD11:33 pmWashington, D.C. Dulles Intl
Nov 8
IAD12:27 pmWashington, D.C. Dulles Intl
8h 34m
1 stop
PHX7:01 pmPhoenix Sky Harbor Intl

Alaska Airlines flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.

Our best Alaska Airlines deals on Phoenix Sky Harbor Intl Airport to Washington, D.C. flight tickets
Alaska Airlines
Dec 6
PHX10:22 amPhoenix Sky Harbor Intl
9h 43m
1 stop
IAD10:05 pmWashington, D.C. Dulles Intl
Dec 13
IAD5:37 pmWashington, D.C. Dulles Intl
8h 22m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
Alaska Airlines
Oct 27
PHX3:15 pmPhoenix Sky Harbor Intl
22h 58m
1 stop
IAD5:13 pmWashington, D.C. Dulles Intl
Oct 29
IAD5:40 pmWashington, D.C. Dulles Intl
7h 36m
1 stop
PHX10:16 pmPhoenix Sky Harbor Intl
Alaska Airlines
Jan 6
PHX4:41 pmPhoenix Sky Harbor Intl
22h 44m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
Jan 13
IAD6:55 pmWashington, D.C. Dulles Intl
23h 22m
2 stops
PHX4:17 pmPhoenix Sky Harbor Intl

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport 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, momondo users made 832,500 searches. Data last updated September 29, 2025.
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

Sat 10/25

5:15 am-12:09 am

2 stops15h 54m

Baltimore/Washington

Sat 11/1

3:05 pm-11:29 pm

1 stop11h 24m

$193

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Sun 10/19

9:59 pm-5:44 pm

1 stop16h 45m

Baltimore/Washington

Mon 10/27

6:29 pm-10:16 pm

1 stop6h 47m

$195

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Sat 11/1

1:28 pm-12:02 am

1 stop7h 34m

Baltimore/Washington

Mon 11/10

9:13 am-11:50 pm

2 stops16h 37m

$197

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Wed 11/12

12:59 am-7:00 am

Nonstop4h 01m

Washington, D.C. Reagan-National

Tue 11/18

7:00 am-10:25 am

Nonstop5h 25m

$277

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Wed 10/22

5:20 am-12:35 pm

Nonstop4h 15m

Baltimore/Washington

Sat 10/25

6:35 am-8:40 am

Nonstop5h 05m

$277

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Sat 10/25

8:00 am-5:00 pm

1 stop6h 00m

Baltimore/Washington

Mon 10/27

6:40 am-8:45 am

Nonstop5h 05m

$283

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Mon 11/10

12:59 am-7:00 am

Nonstop4h 01m

Washington, D.C. Reagan-National

Sat 11/15

7:00 am-10:25 am

Nonstop5h 25m

$284

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Thu 11/13

12:59 am-11:12 am

1 stop8h 13m

Washington, D.C. Reagan-National

Sun 11/16

6:06 am-11:23 am

1 stop7h 17m

$297

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 11/12

12:59 am-11:07 am

1 stop8h 08m

Washington, D.C. Dulles Intl

Sun 11/16

6:00 am-11:23 am

1 stop7h 23m

$297

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 12/2

9:40 am-8:42 pm

1 stop9h 02m

Washington, D.C. Dulles Intl

Tue 12/9

12:35 pm-3:42 pm

Nonstop5h 07m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Phoenix Sky Harbor Intl Airport, with most prices found around $307. If you’re not able to fly to Washington, D.C. in August, then February is your next best option. Flight prices from Phoenix Sky Harbor Intl Airport to Washington, D.C. during February average around $342.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Phoenix Sky Harbor Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $462. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Phoenix Sky Harbor Intl Airport to Washington, D.C. for around $649.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the evening is the cheapest time of day to fly from Phoenix Sky Harbor Intl Airport to Washington, D.C. when you can find flight prices for as low as $426. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $640. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Phoenix Sky Harbor Intl to Washington, D.C. flight route?

Fly from Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl for the best Phoenix Sky Harbor Intl - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $390 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Phoenix Sky Harbor Intl Airport for as low as $287 on momondo.

What cabin class options are available on Phoenix Sky Harbor Intl to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to Washington, D.C..

How have Phoenix Sky Harbor Intl Airport to Washington, D.C. flight prices changed over time?

As of September 2025, prices for Phoenix Sky Harbor Intl Airport to Washington, D.C. flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Washington, D.C. (PHX to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Washington, D.C.

Best Price Found

$184

Fastest flight time

4h 00m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Phoenix Sky Harbor Intl Airport in the past 72 hours is $184. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Washington, D.C. found on momondo in the last 72 hours is $346.
The fastest flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. takes 4h 00m
Direct flights go from Phoenix Sky Harbor Intl Airport to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
  • How far is Phoenix Sky Harbor Intl to Washington, D.C. by plane?

    Phoenix Sky Harbor Intl and Washington, D.C. are 1972.5 mi apart from one another. 4h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. are updated daily.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Washington, D.C.?

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

Best airlines flying from Phoenix Sky Harbor Intl Airport to Washington, D.C.

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $138Free CancellationRating
6.3
8,050 reviews
Search Spirit Airlines flights
FrontierPriceFrom $142Free CancellationRating
5.8
3,158 reviews
Search Frontier flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $236Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,964 reviews
Search Delta flights
  • Southwest Flights From Phoenix Sky Harbor Intl Airport to Washington, D.C.

    Southwest is one of the most popular airlines flying from Phoenix Sky Harbor Intl Airport to Washington, D.C., operating 2 flights/week on average for this route. A good Southwest flight deal for Phoenix Sky Harbor Intl Airport to Washington, D.C. starts from $236 round-trip, up to an average price of $428. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From Phoenix Sky Harbor Intl Airport to Washington, D.C.

    United Airlines (7.4/10 from 8,924 reviews) operates around 14 flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. in any given week. The average United Airlines airfare for this route is around $381, with deals from around $226 rare but found on momondo. Referenced prices are for round-trip Phoenix Sky Harbor Intl Airport to Washington, D.C. flight searches in the last 72 hours.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Fairfax
Reston
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Washington, D.C.?

Finding the right flight to Washington, D.C. from Phoenix is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Phoenix to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Phoenix on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Phoenix to Washington, D.C.?

Once you have performed a search for Phoenix to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Phoenix to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Phoenix to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Wed 10/29
Wed 11/5

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.