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Cheap flights from Phoenix to Washington, D.C. from $133

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 to Washington, D.C. departing on 1/29. 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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Frontier Logo
10:43 pm - 7:45 amPHX-IAD
31h 02m2 stops
Frontier Logo
11:05 am - 12:13 amIAD-PHX
15h 08m1 stop
$236Frontier
Find Deal
jue., nov. 20 - mar., nov. 25
Frontier Logo
6:54 pm - 9:54 amPHX-IAD
13h 00m1 stop
Frontier Logo
5:20 pm - 3:13 pmIAD-PHX
23h 53m1 stop
$239Frontier
Find Deal
jue., feb. 19 - dom., feb. 22
Multiple Airlines Logo
4:32 pm - 6:18 pmPHX-IAD
23h 46m2 stops
Multiple Airlines Logo
10:00 am - 9:44 amIAD-PHX
25h 44m1 stop
$240Multiple Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
Frontier Logo
6:00 am - 5:46 pmPHX-IAD
9h 46m1 stop
Frontier Logo
6:55 am - 6:20 pmIAD-PHX
13h 25m1 stop
$241Frontier
Find Deal
jue., nov. 20 - lun., nov. 24
United Airlines Logo
11:35 pm - 5:50 amPHX-IAD
4h 15mnonstop
United Airlines Logo
8:16 am - 11:32 amIAD-PHX
5h 16mnonstop
$243United Airlines
Find Deal
lun., dic. 22 - jue., ene. 1
Multiple Airlines Logo
6:00 am - 4:24 pmPHX-IAD
8h 24m1 stop
Multiple Airlines Logo
7:34 am - 9:25 pmIAD-PHX
15h 51m1 stop
$252Multiple Airlines
Find Deal
vie., dic. 5 - vie., dic. 12
United Airlines Logo
7:40 pm - 5:19 amPHX-IAD
7h 39m1 stop
United Airlines Logo
8:16 am - 11:32 amIAD-PHX
5h 16mnonstop
$253United Airlines
Find Deal
lun., dic. 22 - jue., ene. 1
Delta Logo
12:59 am - 11:18 amPHX-IAD
8h 19m1 stop
Delta Logo
6:00 am - 1:27 pmIAD-PHX
9h 27m1 stop
$263Delta
Find Deal
mié., dic. 10 - dom., dic. 14
Delta Logo
12:45 pm - 11:06 pmPHX-IAD
8h 21m1 stop
Delta Logo
7:30 am - 3:45 pmIAD-PHX
10h 15m1 stop
$284Delta
Find Deal
dom., ene. 11 - lun., ene. 19
Hawaiian Airlines Logo
8:10 am - 5:25 pmPHX-IAD
7h 15m1 stop
Hawaiian Airlines Logo
5:51 pm - 11:16 pmIAD-PHX
7h 25m1 stop
$304Hawaiian Airlines
Find Deal
mar., mar. 3 - mié., mar. 4

Frontier flights from Phoenix to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Phoenix to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Nov 20
PHX10:43 pmPhoenix Sky Harbor Intl
31h 02m
2 stops
IAD7:45 amWashington, D.C. Dulles Intl
Nov 25
IAD11:05 amWashington, D.C. Dulles Intl
15h 08m
1 stop
PHX12:13 amPhoenix Sky Harbor Intl
$236
Find similar
Frontier
Feb 19
PHX6:54 pmPhoenix Sky Harbor Intl
13h 00m
1 stop
IAD9:54 amWashington, D.C. Dulles Intl
Feb 22
IAD5:20 pmWashington, D.C. Dulles Intl
23h 53m
1 stop
PHX3:13 pmPhoenix Sky Harbor Intl
$239
Find similar
Frontier
Nov 20
PHX6:00 amPhoenix Sky Harbor Intl
9h 46m
1 stop
IAD5:46 pmWashington, D.C. Dulles Intl
Nov 24
IAD6:55 amWashington, D.C. Dulles Intl
13h 25m
1 stop
PHX6:20 pmPhoenix Sky Harbor Intl
$241
Find similar

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

Our best Alaska Airlines deals on Phoenix to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Nov 12
PHX5:03 pmPhoenix Sky Harbor Intl
11h 20m
1 stop
IAD6:23 amWashington, D.C. Dulles Intl
Dec 3
IAD5:37 pmWashington, D.C. Dulles Intl
8h 22m
1 stop
PHX11:59 pmPhoenix Sky Harbor Intl
$472
Find similar
Alaska Airlines
Nov 19
PHX11:53 amPhoenix Sky Harbor Intl
16h 30m
1 stop
IAD6:23 amWashington, D.C. Dulles Intl
Nov 23
IAD6:17 pmWashington, D.C. Dulles Intl
17h 25m
1 stop
PHX9:42 amPhoenix Sky Harbor Intl
$529
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix to Washington, D.C. Dulles Intl Airport 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 noviembre 6, 2025.
Use the filters below to find and compare flights from Phoenix to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

jue. 11/20

10:43 pm-7:45 am

2 stops31h 02m

Washington, D.C. Dulles Intl

mar. 11/25

11:05 am-12:13 am

1 stop15h 08m

$236

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

jue. 2/19

6:54 pm-9:54 am

1 stop13h 00m

Washington, D.C. Dulles Intl

dom. 2/22

5:20 pm-3:13 pm

1 stop23h 53m

$239

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

mié. 12/3

4:32 pm-6:18 pm

2 stops23h 46m

Washington, D.C. Dulles Intl

mié. 12/10

10:00 am-9:44 am

1 stop25h 44m

$240

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

jue. 11/20

6:00 am-5:46 pm

1 stop9h 46m

Washington, D.C. Dulles Intl

lun. 11/24

6:55 am-6:20 pm

1 stop13h 25m

$241

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

lun. 12/22

11:35 pm-5:50 am

Nonstop4h 15m

Washington, D.C. Dulles Intl

jue. 1/1

8:16 am-11:32 am

Nonstop5h 16m

$243

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

vie. 12/5

6:00 am-4:24 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

vie. 12/12

7:34 am-9:25 pm

1 stop15h 51m

$252

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

lun. 12/22

7:40 pm-5:19 am

1 stop7h 39m

Washington, D.C. Dulles Intl

jue. 1/1

8:16 am-11:32 am

Nonstop5h 16m

$253

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

mié. 12/10

12:59 am-11:18 am

1 stop8h 19m

Washington, D.C. Dulles Intl

dom. 12/14

6:00 am-1:27 pm

1 stop9h 27m

$263

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

dom. 1/11

12:45 pm-11:06 pm

1 stop8h 21m

Washington, D.C. Dulles Intl

lun. 1/19

7:30 am-3:45 pm

1 stop10h 15m

$284

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

mar. 3/3

8:10 am-5:25 pm

1 stop7h 15m

Washington, D.C. Dulles Intl

mié. 3/4

5:51 pm-11:16 pm

1 stop7h 25m

$304

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

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

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. Dulles Intl Airport?

In general, August is the cheapest month to fly from Phoenix to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $350.

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

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $480. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Phoenix to Washington, D.C. Dulles Intl Airport for around $720.

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

Flying to Washington, D.C. Dulles Intl Airport from Phoenix in the evening is the least expensive time of day to depart. momondo users have found prices as low as $446 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $752 on average. Flights to Washington, D.C. Dulles Intl Airport from Phoenix at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Phoenix when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $391 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Phoenix for as low as $286 on momondo.

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

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

Cheap Phoenix to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Fastest flight time

4h 00m

Direct flights

Every day
The fastest flight from Phoenix to Washington, D.C. Dulles Intl Airport takes 4h 00m
Direct flights go from Phoenix to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Phoenix to Washington, D.C. Dulles Intl by plane?

    Phoenix and Washington, D.C. Dulles Intl are 1954.1 mi apart from one another. In terms of flight time, this usually takes a little over 4h 13m.

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

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

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

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

    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 to Washington, D.C. Dulles Intl Airport.

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

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport 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.

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

Compare and see reviews for airlines that fly from Phoenix to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $149Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
SouthwestPriceFrom $236Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,004 reviews
Search Delta flights

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

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Phoenix.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Phoenix with this policy.

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

Once all potential Phoenix to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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