Cheap Flight Tickets from Phoenix (PHX) to Washington (IAD), Starting at $212

Good to Know: Cheapest and Fastest PHX - IAD Flights

Useful information for finding best airline tickets from Phoenix Sky Harbor International to Washington Dulles International on your next trip.

Cheapest Round Trip Flight

$538

AS Alaska Airlines • 1 stop • 19h 9m

Jul 31 – Aug 01

The cheapest round trip flight from Phoenix to Washington (PHX-IAD-PHX) is currently $538

🔍 Search Flights

Cheapest Direct Flight

$212

UA United Airlines • nonstop • 7h 7m

Aug 06

The cheapest nonstop flight from Phoenix to Washington (PHX-IAD) is currently $212

🔍 Search Flights

Fastest Flight

6h 53m

The fastest nonstop flight from Phoenix to Washington (PHX-IAD) takes 6h 53m

Latest Flight Deals from Phoenix (PHX) to Washington (IAD)

Compare and book low fare round-trip air tickets from Phoenix to Washington. Ideal for travelers with confirmed return itineraries.

Jul 31 - Aug 01, Economy
AS
Phoenix → Washington
19h 9m
9:10 AM - 11:59 PM • 1 stop
AS
Phoenix → Washington
13h 52m
8:59 AM - 2:31 PM • 1 stop
$538
Alaska Airlines
Jul 31 - Aug 01, Economy
AS
Phoenix → Washington
18h 59m
4:00 PM - 6:39 AM • 1 stop
AS
Phoenix → Washington
13h 52m
8:59 AM - 2:31 PM • 1 stop
$582
Alaska Airlines
Jul 31 - Aug 01, Economy
AS
Phoenix → Washington
19h 9m
9:10 AM - 11:59 PM • 1 stop
AS
Phoenix → Washington
25h 14m
11:35 AM - 11:49 PM • 2 stops
$654
Alaska Airlines
Jul 31 - Aug 01, Economy
AS
Phoenix → Washington
21h 42m
2:37 PM - 6:39 AM • 1 stop
AS
Phoenix → Washington
13h 52m
8:59 AM - 2:31 PM • 1 stop
$678
Alaska Airlines
Jul 31 - Aug 01, Economy
AS
Phoenix → Washington
30h 29m
9:10 AM - 6:39 AM • 1 stop
AS
Phoenix → Washington
13h 52m
8:59 AM - 2:31 PM • 1 stop
$698
Alaska Airlines
Jul 31 - Aug 01, Economy
AS
Phoenix → Washington
22h 19m
7:20 AM - 11:59 PM • 1 stop
AS
Phoenix → Washington
13h 52m
8:59 AM - 2:31 PM • 1 stop
$698
Alaska Airlines

Fly from Phoenix to Washington with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Phoenix to Washington? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Phoenix to Washington Flights

What are the airports in Phoenix?
PHX
What’s the most popular airline flying from PHX to IAD?
The most popular airline flying from Phoenix to Washington are
Can I fly from PHX to IAD non-stop?
Yes, you can fly PHX to IAD non-stop on
Which airlines fly nonstop between Phoenix and Washington?
The non-stop flights between Phoenix and Washington are .
What’s the earliest departure time from PHX to IAD Airport?
The earliest flight leaves PHX at 6:00 am and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Phoenix to Washington flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from PHX to IAD?
Read the fare rules of the Phoenix to Washington air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Phoenix and Washington?
operate flights between Phoenix and Washington
How long does a flight from Phoenix to Washington take?
It takes approximately 5 hour to fly non-stop from PHX to IAD, which is 1956.23 miles by air.
Which airlines provide the cheapest flights from Phoenix (PHX) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from PHX were found on AS : USD 698
Do I need a passport to fly between PHX and IAD?
No
What’s the latest departure time from PHX to IAD ?
The last flight leaves PHX at 11:56 pm

Essential Information for Booking Flights from Phoenix (PHX) - AI Insights

What's the cheapest airline from phx to iad?
You can find affordable business class flights from Phoenix Sky Harbor International to Washington Dulles International on Frontier Airlines. For a round-trip journey with two stops, booking at least 32 days in advance can help you secure low fares. Consider flying during the off-season for July, October, or December to get the best deals.
What's the popular airline to fly from phx to iad?
You can fly from Phoenix Sky Harbor International Airport (phx) to Washington Dulles International Airport (iad) on United Airlines (UA), which offers a business class experience with priority, lounge access, and flatbed seats. This is a round-trip journey with two stops. Booking in advance is recommended, as it's 32 days before departure. You can find cheap airfare deals on this route by visiting fareleaders.com for the latest airfares and flights.
What's the cheapest day of the week to fly from phx to iad?
The cheapest day to fly from Phoenix Sky Harbor International (phx) to Washington Dulles International (iad) is Wednesday. Booking in advance can help secure better rates, especially since you're traveling on a round trip with 2 passengers and prefer Business class.
What's the cheapest month to fly from phx to iad?
The cheapest month to fly from Phoenix Sky Harbor International (PHX) to Washington Dulles International (IAD) is November. Flying during this time can help you secure a budget-friendly Business class ticket.
Which airline/airlines fly from phx to iad?
Several airlines offer flights from Phoenix Sky Harbor International Airport (phx) to Washington Dulles International Airport (iad), including Royal Jordanian, Delta Airlines, United Airlines, Allegiant, Southwest Airlines, Alaska Airlines, Mexicana, Avianca, Southern Airways, and Aer Lingus. You can find the most budget-friendly options on websites like fareleaders.com for July or December travel.
What is the cheapest airline to fly from Phoenix Sky Harbor International to Washington Dulles International?
Frontier Airlines (F9) offers competitive prices on this route.
How far in advance can I book my round-trip flights for optimal prices?
Book your flight at least 32 days in advance to get the best deals.
Can I find airfare deals on fareleaders.com for my July travel plans?
Yes, fareleaders.com offers exclusive discounts and promotions for summer travel.
What is the difference between business and economy class on flights?
Business class provides priority service, lounge access, and flatbed seats, while economy class offers standard seating.
Are there any discounts available for advance bookings of more than 32 days?
Yes, many airlines offer discounts for early bookings.

Phoenix (PHX) to Washington (IAD): Airport Information

Origin Airport Phoenix Sky Harbor International , Phoenix, US
Destination Airport Washington Dulles International , Washington, US
Distance 1956 miles

More Flight Options for Phoenix (PHX) and Washington (IAD)

Why Fareleaders for PHX to IAD Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Phoenix to Washington flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on PHX to IAD flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Phoenix to Washington flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Phoenix (PHX) to Washington (IAD)
Terms and Conditions*