Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Phoenix to Washington, D.C. from $136

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 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Phoenix to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 4:24 pmPHX-IAD
8h 24m1 stop
Multiple Airlines Logo
7:34 am - 3:30 pmIAD-PHX
9h 56m1 stop
$239Multiple Airlines
Find Deal
dom., dic. 7 - mar., dic. 16
Multiple Airlines Logo
10:29 am - 6:52 pmPHX-IAD
30h 23m1 stop
Multiple Airlines Logo
9:00 am - 3:07 pmIAD-PHX
32h 07m2 stops
$240Multiple Airlines
Find Deal
mar., dic. 9 - mar., dic. 16
United Airlines Logo
8:30 am - 2:48 pmPHX-IAD
4h 18mnonstop
United Airlines Logo
12:50 pm - 4:04 pmIAD-PHX
5h 14mnonstop
$243United Airlines
Find Deal
jue., ene. 29 - dom., feb. 1
Frontier Logo
9:00 am - 5:46 pmPHX-IAD
6h 46m1 stop
Frontier Logo
5:45 am - 3:18 pmIAD-PHX
11h 33m1 stop
$245Frontier
Find Deal
lun., nov. 24 - vie., dic. 5
Multiple Airlines Logo
7:39 pm - 4:50 pmPHX-IAD
19h 11m2 stops
Multiple Airlines Logo
8:00 am - 9:48 amIAD-PHX
27h 48m1 stop
$246Multiple Airlines
Find Deal
mar., ene. 6 - mié., ene. 14
Frontier Logo
6:42 pm - 11:05 pmPHX-IAD
26h 23m2 stops
Frontier Logo
5:55 pm - 3:18 pmIAD-PHX
23h 23m1 stop
$247Frontier
Find Deal
sáb., dic. 13 - dom., ene. 4
Frontier Logo
12:59 am - 9:03 pmPHX-IAD
18h 04m1 stop
Frontier Logo
9:58 pm - 11:49 pmIAD-PHX
27h 51m1 stop
$248Frontier
Find Deal
lun., dic. 22 - mar., dic. 30
Frontier Logo
6:00 am - 4:24 pmPHX-IAD
8h 24m1 stop
Frontier Logo
6:05 am - 3:18 pmIAD-PHX
11h 13m1 stop
$249Frontier
Find Deal
vie., dic. 12 - lun., dic. 22
Frontier Logo
5:00 am - 6:43 pmPHX-IAD
10h 43m1 stop
Frontier Logo
6:00 am - 2:18 pmIAD-PHX
11h 18m1 stop
$252Frontier
Find Deal
lun., mar. 9 - jue., mar. 12
Alaska Airlines Logo
3:55 pm - 5:30 pmPHX-IAD
23h 35m1 stop
Alaska Airlines Logo
5:37 pm - 11:59 pmIAD-PHX
8h 22m1 stop
$253Alaska Airlines
Find Deal
mar., dic. 2 - jue., dic. 4

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

Our best Delta deals on Phoenix to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Dec 11
PHX11:55 pmPhoenix Sky Harbor Intl
8h 31m
1 stop
IAD10:26 amWashington, D.C. Dulles Intl
Dec 14
IAD7:01 amWashington, D.C. Dulles Intl
7h 12m
1 stop
PHX12:13 pmPhoenix Sky Harbor Intl
$263
Find similar
Delta
Dec 6
PHX8:00 amPhoenix Sky Harbor Intl
13h 29m
2 stops
IAD11:29 pmWashington, D.C. Dulles Intl
Dec 13
IAD7:05 amWashington, D.C. Dulles Intl
8h 09m
1 stop
PHX1:14 pmPhoenix Sky Harbor Intl
$289
Find similar
Delta
Dec 3
PHX6:00 amPhoenix Sky Harbor Intl
6h 40m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
Dec 6
IAD5:03 pmWashington, D.C. Dulles Intl
7h 36m
1 stop
PHX10:39 pmPhoenix Sky Harbor Intl
$293
Find similar

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

Our best Hawaiian Airlines deals on Phoenix to Washington, D.C. Dulles Intl Airport flight tickets
Hawaiian Airlines
Dec 6
PHX10:22 amPhoenix Sky Harbor Intl
9h 43m
1 stop
IAD10:05 pmWashington, D.C. Dulles Intl
Dec 13
IAD7:34 amWashington, D.C. Dulles Intl
29h 34m
1 stop
PHX11:08 amPhoenix Sky Harbor Intl
$292
Find similar
Hawaiian 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
$297
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 13, 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

dom. 12/7

6:00 am-4:24 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

mar. 12/16

7:34 am-3:30 pm

1 stop9h 56m

$239

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

mar. 12/9

10:29 am-6:52 pm

1 stop30h 23m

Washington, D.C. Dulles Intl

mar. 12/16

9:00 am-3:07 pm

2 stops32h 07m

$240

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

jue. 1/29

8:30 am-2:48 pm

Nonstop4h 18m

Washington, D.C. Dulles Intl

dom. 2/1

12:50 pm-4:04 pm

Nonstop5h 14m

$243

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

lun. 11/24

9:00 am-5:46 pm

1 stop6h 46m

Washington, D.C. Dulles Intl

vie. 12/5

5:45 am-3:18 pm

1 stop11h 33m

$245

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

mar. 1/6

7:39 pm-4:50 pm

2 stops19h 11m

Washington, D.C. Dulles Intl

mié. 1/14

8:00 am-9:48 am

1 stop27h 48m

$246

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

sáb. 12/13

6:42 pm-11:05 pm

2 stops26h 23m

Washington, D.C. Dulles Intl

dom. 1/4

5:55 pm-3:18 pm

1 stop23h 23m

$247

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

lun. 12/22

12:59 am-9:03 pm

1 stop18h 04m

Washington, D.C. Dulles Intl

mar. 12/30

9:58 pm-11:49 pm

1 stop27h 51m

$248

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

vie. 12/12

6:00 am-4:24 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

lun. 12/22

6:05 am-3:18 pm

1 stop11h 13m

$249

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

lun. 3/9

5:00 am-6:43 pm

1 stop10h 43m

Washington, D.C. Dulles Intl

jue. 3/12

6:00 am-2:18 pm

1 stop11h 18m

$252

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

mar. 12/2

3:55 pm-5:30 pm

1 stop23h 35m

Washington, D.C. Dulles Intl

jue. 12/4

5:37 pm-11:59 pm

1 stop8h 22m

$253

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $395 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 18m.

  • 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
3,113 reviews
Search Frontier flights
SouthwestPriceFrom $236Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,007 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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 12/13
sáb. 12/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.