Menu

Cheap flights from Phoenix to Washington Dulles Intl (PHX - IAD)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Phoenix to Washington Dulles Intl are usually found in August or September, booked 20 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

How to find the cheapest flight from
Phoenix (PHX) to Washington Dulles Intl (IAD)

PHX - IAD
Price
$186 - $419
IAD
Temperature
46.4 - 87.8 °F
IAD
Rainfall
2.5 - 4.4 inches

Popular in

March

High demand for flights, 18% potential price rise

Cheapest in

August

Best time to find cheap flights, 46% potential price drop

Round-trip from

$186

From Phoenix to Washington Dulles Intl

One-way from

$103

One-way flight from Phoenix to Washington Dulles Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Phoenix to Washington Dulles Intl?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 26% on the overall cost on flights from Phoenix to Washington Dulles Intl.

How far in advance should I book a flight from Phoenix to Washington Dulles Intl?

Users have found that booking a flight from Phoenix to Washington Dulles Intl at least 31 days early can save you up to 111% on average compared to booking a flight this week. If booking 31 days before your flight isn’t an option for you, users have found flights from Phoenix to Washington Dulles Intl for as little as $235 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $341 for flights departing within the next 3 days.

What is the cheapest month to fly from Phoenix to Washington Dulles Intl?

April is one of the best times of the year to fly to Washington Dulles Intl from Phoenix. Prices for April average $172 per person but you can even find prices for as low as $113. The most expensive prices can be found in the month of September. Opting for a April flight can save you 32% on your journey compared to booking in April

When is the cheapest time to fly from Phoenix to Washington Dulles Intl (PHX - IAD)?

A simple way to save on the total cost of your ticket is to fly from Phoenix to Washington Dulles Intl in the afternoon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the evening.

Cheap flights from Phoenix to Washington Dulles Intl in November, December 2020

The best prices found for PHX to IAD flights for November, December
17 Dec - 18 Jan
$159pp
PHX
Phoenix Sky Harbor Intl
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
   
2 STOPS
PHX
Phoenix Sky Harbor Intl
19 Dec - 23 Dec
$216pp
PHX
Phoenix Sky Harbor Intl
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
PHX
Phoenix Sky Harbor Intl
9 Dec - 10 Dec
$221pp
PHX
Phoenix Sky Harbor Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl

Phoenix to Washington Dulles Intl 2021 flight deals

Cheap flights to Washington Dulles Intl from Phoenix found for next year
17 Dec - 18 Jan
$159pp
PHX
Phoenix Sky Harbor Intl
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
   
2 STOPS
PHX
Phoenix Sky Harbor Intl
19 Dec - 23 Dec
$216pp
PHX
Phoenix Sky Harbor Intl
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
PHX
Phoenix Sky Harbor Intl
9 Dec - 10 Dec
$221pp
PHX
Phoenix Sky Harbor Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl

Non-stop flights to Washington Dulles Intl from Phoenix

Save time with Phoenix to Washington Dulles Intl direct flight deals
28 Dec - 12 Jan
$247pp
PHX
Phoenix Sky Harbor Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl
26 Dec - 19 Jan
$257pp
PHX
Phoenix Sky Harbor Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl
27 Dec - 19 Jan
$277pp
PHX
Phoenix Sky Harbor Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl

Last minute flights from Phoenix to Washington Dulles Intl

Late deals on round-trip flights to Washington Dulles Intl from Phoenix, departing today and this week
9 Dec - 10 Dec
$221pp
PHX
Phoenix Sky Harbor Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl
9 Dec - 14 Jan
$283pp
PHX
Phoenix Sky Harbor Intl
American Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
American Airlines
 
1 STOP
PHX
Phoenix Sky Harbor Intl
7 Dec - 8 Dec
$288pp
PHX
Phoenix Sky Harbor Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
PHX
Phoenix Sky Harbor Intl

One-way flights to Washington Dulles Intl from Phoenix

The cheapest one-way flights from Phoenix to Washington Dulles Intl
6:50 am - 8:15 am
Frontier
2 Stops
47h 25m
PHX - IAD
Frontier
$103
KAYAK
6:45 pm - 5:10 am
Delta
1 Stop
8h 25m
PHX - IAD
Delta
$128
Delta
6:40 am - 8:15 am
Multiple Airlines
3 Stops
23h 35m
PHX - IAD
Multiple Airlines
$143
Gotogate

Related info for your journey

Useful info, stats and facts about Phoenix to Washington Dulles Intl flights.

Flight FAQs

From Phoenix to Washington Dulles Intl

Are flight prices decreasing from Phoenix to Washington Dulles Intl due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Phoenix and Washington Dulles Intl for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Phoenix Sky Harbor Intl to Washington Dulles Intl to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Phoenix Sky Harbor Intl to Washington Dulles Intl are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Phoenix Sky Harbor Intl to Washington Dulles Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from Phoenix Sky Harbor Intl to Washington Dulles Intl have new flexible policies in place due to COVID-19. United Airlines, Frontier, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

Can I find flights from Phoenix to Washington Dulles Intl for under $200 on Cheapflights?

Yes, there are multiple flights from Phoenix to Washington Dulles Intl for under $200. The cheapest flight booked recently is on Multiple Airlines for just $159, but on average you can expect to pay $231.

Are there nonstop flights from Phoenix to Washington Dulles Intl for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Phoenix to Washington Dulles Intl under $300. A good price for a nonstop flight from Phoenix to Washington Dulles Intl is less than $348.

Are there last-minute flights available from Phoenix to Washington Dulles Intl for under $300?

There are currently 20+ open flights from Phoenix to Washington Dulles Intl within the next 7 days for less than $300.

What days are nonstop flights available from Phoenix to Washington Dulles Intl?

You can find nonstop flights on the following days: Monday.

How many flights depart from Phoenix to Washington Dulles Intl on average per day?

1 flight departure from Phoenix Sky Harbor Intl to Washington Dulles Intl per day on average.
Evening (6pm - Midnight) - 100% of flight departures

Does it rain more in Phoenix or Washington Dulles Intl?

Phoenix will have less rainfall in 2 compared to Washington Dulles Intl over the next 3 days.

Is Phoenix weather warmer or cooler than Washington Dulles Intl?

With an average temperature of 108 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Washington Dulles Intl are colder than in Phoenix.

How long is the flight from Phoenix to Washington Dulles Intl?

United Airlines and American Airlines can get you from Phoenix to Washington Dulles Intl in just under 3h 53m. Your travel time can differ by up to 2h 30m. Airlines will cover a distance of 1963 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Phoenix to Washington Dulles Intl round-trip?

Our cheapest airline available from Phoenix to Washington Dulles Intl is United Airlines. Our recent data shows that you can find tickets from as low as $221 on this airline. An additional option worth looking into is American Airlines, starting at $253. United Airlines is currently priced 35% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Phoenix to Washington Dulles Intl one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $69. Users have also found prices from $114 and $124 on Frontier and American Airlines, respectively.

Alternative routes for Phoenix to Washington Dulles Intl

Destination information for Washington Dulles Intl

Things to know before you go. Useful info for your trip from Phoenix to Washington Dulles Intl
Flight duration
4h 35m
Average temperature for November in Washington Dulles Intl
59.0 °F
Avg rainfall for November in Washington Dulles Intl
3.7 ″

Airports servicing Phoenix

Airports servicing Washington

Top 6 airlines from Phoenix to Washington Dulles Intl

The chart below displays the airlines Cheapflights users traveling from Phoenix to Washington Dulles Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$122 $233 No cancel fee 62%
Sun Country Air
$136 $266 N/A 83%
Spirit Airlines
$215 $296 No cancel fee 65%
Delta
$188 $387 No cancel fee N/A
American Airlines
$188 $403 No cancel fee 71%
United Airlines
$202 $424 No cancel fee 69%

Hourly flight availability from Phoenix to Washington Dulles Intl

Morning 6 AM to noon 71% of PHX to IAD departures
Afternoon Noon to 6 PM 28% of PHX to IAD departures
Early morning Midnight to 6 AM 1% of PHX to IAD departures
Evening 6 PM to midnight 0% of PHX to IAD departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Phoenix to Washington Dulles Intl
Sunday
4 daily flights
Monday
4 daily flights
Tuesday
1 daily flight
Wednesday
3 daily flights
Thursday
2 daily flights
Friday
1 daily flight
Saturday
6 daily flights