$75 Cheap United flights from Phoenix to Washington (PHX to IAD)

Find The Best Day To Fly from Phoenix to Washington

Amazing United PHX to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $135 round trip and $75 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Nov 18 - Wed, Nov 19
PHX
Phoenix
IAD
Washington
$135 Roundtrip, found 4 days ago
$135
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 18 from Phoenix to Washington, returning Wed, Nov 19, priced at $135 found 4 days ago
Tue, Nov 18 - Wed, Nov 19
PHX
Phoenix
IAD
Washington
$135 Roundtrip, found 4 days ago
$135
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 18 from Phoenix to Washington, returning Wed, Nov 19, priced at $135 found 4 days ago
Tue, Aug 12 - Tue, Sep 2
PHX
Phoenix
IAD
Washington
$137 Roundtrip, found 2 days ago
$137
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 12 from Phoenix to Washington, returning Tue, Sep 2, priced at $137 found 2 days ago
Tue, Nov 18 - Wed, Nov 19
PHX
Phoenix
IAD
Washington
$141 Roundtrip, found 4 days ago
$141
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 18 from Phoenix to Washington, returning Wed, Nov 19, priced at $141 found 4 days ago
Wed, Aug 20 - Wed, Aug 27
PHX
Phoenix
IAD
Washington
$171 Roundtrip, found 2 days ago
$171
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 20 from Phoenix to Washington, returning Wed, Aug 27, priced at $171 found 2 days ago
Wed, Aug 20 - Wed, Aug 27
PHX
Phoenix
IAD
Washington
$183 Roundtrip, found 2 days ago
$183
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 20 from Phoenix to Washington, returning Wed, Aug 27, priced at $183 found 2 days ago

IAD From PHX Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Hotel Arboretum

Hotel Arboretum

2 out of 5
Save 100% on your flight
per person
Jul 30 - Aug 6
found 1 day ago
Roundtrip non-stop flight included
Phoenix (PHX) to Washington (DCA)
Sofitel Washington DC Lafayette Square

Sofitel Washington DC Lafayette Square

5 out of 5
Save 100% on your flight
per person
Jul 30 - Aug 6
found 1 day ago
Roundtrip non-stop flight included
Phoenix (PHX) to Washington (DCA)
Crowne Plaza Crystal City-Washington, D.C. by IHG

Crowne Plaza Crystal City-Washington, D.C. by IHG

3.5 out of 5
Save 100% on your flight
per person
Jul 30 - Aug 6
found 1 day ago
Roundtrip non-stop flight included
Phoenix (PHX) to Washington (DCA)
Don't see what you're looking for?
See all available trips from Sky Harbor Intl. to Washington Dulles Intl.
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Frequently asked questions

Can I catch a flight from Phoenix Sky Harbor Airport to IAD right now?
Be sure to check out our Covid-19 Travel Advisor to learn if there are any current travel advice reports and quarantine requirements in place in IAD when flying from Sky Harbor Intl. Airport (PHX).
What terminal is United Airlines at Phoenix Sky Harbor Airport?
Flights usually leave from terminal 3 at Phoenix Sky Harbor Intl. Airport if you've booked a seat with United Airlines. Traveling to Washington Dulles Intl. Airport (IAD)? Touch base with your airline (or do some research online) to find out exactly which terminal you'll be arriving at.
Are there United Airlines non-stop flights from PHX to IAD?
If you're going from Sky Harbor Intl. Airport (PHX) to Washington Dulles Intl. Airport (IAD) and want a nonstop flight, United Airlines will sort you out. Book your flight now and you'll be landing at your destination before you know it.
How long is a United Airlines flight from PHX to IAD?
Watch a movie or two, enjoy a podcast or just put your seat back and forget your worries. Whatever you prefer, find a way to amuse yourself during the 4 hours and 36 minutes that it takes to get from Phoenix Sky Harbor Intl. Airport to Dulles Intl. Airport with United Airlines.
What type of aircraft does United Airlines fly from PHX to IAD?
You'll get to enjoy all the great amenities that the Boeing 737-900 has to offer when traveling between Phoenix Sky Harbor Airport and Washington Dulles Intl. Airport (IAD) with United Airlines. This is the most commonly used aircraft on this route.
How many direct and indirect flights does United Airlines fly from PHX to IAD?
Take your pick of roughly 3 United Airlines flights each day from PHX to IAD.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Dulles Intl. Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Phoenix PHX to Washington IAD 

To find the best deals on flights to Phoenix from Washington with United, just enter your travel dates, filter by United, and hit search. You’ll find 2 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Phoenix PHX to Washington IAD with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $135 to $183, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Phoenix PHX to Washington IAD 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Phoenix to Washington costs from $75. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Washington IAD from  Phoenix PHX with United 

To find a cheap United flight from Phoenix PHX to Washington IAD, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Phoenix PHX to Washington IAD 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as November, or if you book a flight with a stopover. 

 

Find nonstop flights from Phoenix PHX to Washington IAD with United 

If you’re keen to be on Washington soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 4 hour(s) 23 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Phoenix PHX to Washington IAD 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Washington IAD from  Phoenix PHX with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Washington

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Hyatt Regency Dulles
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This hotel features a restaurant, an indoor pool, and a bar/lounge. Traveling on business? Take advantage of the free WiFi in public areas, express check-out, ...
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Hyatt Place Herndon Dulles Airport East
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Courtyard by Marriott Dulles Airport Herndon
3 out of 5
13715 Sayward Blvd, Herndon, VA
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the business center, free WiFi in public areas, and ...
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Courtyard by Marriott Dulles Airport Herndon
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.