HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$120+ Cheap flights from Phoenix to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IAD
Oct 29 — Nov 51
Tue 10/29
Tue 11/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Edit search

PHX - IAD
Oct 29 - Nov 5

Find cheap flights from Phoenix to Dulles Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Phoenix to Washington, D.C. Dulles Intl are usually found in August or September, booked 77 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Phoenix to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 24, 2024.

Popular in

June

Cheapest in

August

Round-trip from

$138
(CheapOair)

One-way from

$120
(Cheapflightsfares)
High demand for flights, 10% potential price rise
Search Deals
Best time to find cheap flights, 10% potential price drop
Search Deals
From Phoenix to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Phoenix to Washington, D.C. Dulles Intl
Search Deals

Find flight deals from Phoenix to Dulles Intl

Cheapest flights from Phoenix to Dulles Intl
Explore the most affordable flight options available from Phoenix to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2024.

This Sun Country Air deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/167:15 pmPHX - IAD
1 stop13h 24mSun Country Air
Thu 11/2812:20 pmIAD - PHX
1 stop22h 03mSun Country Air
Deal found 10/23$245
This Booking.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2011:59 pmPHX - IAD
1 stop15h 41mFrontier
Sat 11/236:40 pmIAD - PHX
1 stop18h 02mFrontier
Deal found 10/23$252
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/68:00 amPHX - IAD
1 stop12h 24mAmerican Airlines
Sun 12/86:00 amIAD - PHX
1 stop14h 18mAmerican Airlines
Deal found 10/24$255
This FlightHub deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/204:25 pmPHX - IAD
1 stop16h 27mMultiple Airlines
Sat 11/236:40 pmIAD - PHX
1 stop18h 02mMultiple Airlines
Deal found 10/23$264
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1411:59 pmPHX - IAD
Nonstop4h 08mUnited Airlines
Mon 11/1812:35 pmIAD - PHX
Nonstop5h 09mUnited Airlines
Deal found 10/23$299
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/141:40 pmPHX - IAD
1 stop8h 15mSouthwest
Mon 11/184:00 pmIAD - PHX
Nonstop5h 00mSouthwest
Deal found 10/22$309
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/712:55 amPHX - IAD
1 stop8h 05mDelta
Thu 12/125:24 pmIAD - PHX
1 stop8h 28mDelta
Deal found 10/24$318
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1411:46 amPHX - IAD
1 stop10h 13mAlaska Airlines
Tue 11/197:00 amIAD - PHX
2 stops17h 39mAlaska Airlines
Deal found 10/23$365

Find flights from Phoenix to Dulles Intl within your budget

Customize your flight search to find flights from Phoenix to Dulles Intl 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, Cheapflights users made 2,462,889 searches. Data last updated October 24, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$138 - $357

Route

Depart

Return

Price

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 11/14

1 stop14h 42m

Washington, D.C. Dulles Intl

Mon 11/18

1 stop10h 44m

$138

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 11/13

1 stop16h 52m

Washington, D.C. Dulles Intl

Mon 11/18

1 stop10h 44m

$197

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Sat 11/16

1 stop13h 24m

Washington, D.C. Dulles Intl

Thu 11/28

1 stop22h 03m

$245

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Fri 12/6

1 stop12h 24m

Washington, D.C. Dulles Intl

Sun 12/8

1 stop14h 18m

$255

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 11/14

Nonstop4h 08m

Washington, D.C. Dulles Intl

Tue 11/19

Nonstop5h 09m

$299

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 11/14

1 stop8h 15m

Washington, D.C. Dulles Intl

Mon 11/18

Nonstop5h 00m

$309

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 12/18

1 stop6h 41m

Washington, D.C. Dulles Intl

Thu 12/19

1 stop7h 40m

$318

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 2/20

1 stop9h 35m

Washington, D.C. Dulles Intl

Sun 2/23

1 stop12h 03m

$357

Flights are sorted by cheapest first

Deals found on 10/23

Best time to book a flight from Phoenix to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Phoenix with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Phoenix to Dulles Intl

Get recent, data-driven insights about flights from Phoenix to Dulles Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Phoenix to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Dulles Intl. Price data was last updated on October 18, 2024.

The price you pay for your flight from Phoenix to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Find deals

What is the cheapest month to book a flight from Phoenix to Washington, D.C. Dulles Intl Airport?

Currently, December is the cheapest month in which you can book a flight from Phoenix to Washington, D.C. Dulles Intl Airport (average of $290). Flying from Phoenix to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to IAD?

Find hourly flight availability from Phoenix to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 24, 2024.

It’s typically best to fly out from Phoenix to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Phoenix to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Dulles Intl. Price data was last updated on October 20, 2024.

Travelers seeking maximum savings on their Phoenix to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Find deals

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated October 24, 2024.
Read through reviews of airlines operating flights from Phoenix to Washington, D.C., such as Sun Country Air, United Airlines and Southwest. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,150 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Boarding

8.3

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,150 reviews
Southwest
8.1
Very good
5,150 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Boarding

8.3

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,410 reviews
Southwest
8.1
Very good
5,150 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Boarding

8.3

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,875 reviews
Southwest
8.1
Very good
5,150 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Boarding

8.3

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,275 reviews
Southwest
8.1
Very good
5,150 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Boarding

8.3

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,806 reviews
Southwest
8.1
Very good
5,150 reviews

Food

7.2

Entertainment

7.7

Crew

8.7

Boarding

8.3

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Phoenix to Washington, D.C. Dulles Intl Airport for under $200 on Cheapflights?

    Yes, there are multiple flights from Phoenix to Washington, D.C. Dulles Intl Airport for under $200. The cheapest flight booked recently is on Frontier for just $138, but on average you can expect to pay $264.

  • Are there nonstop flights from Phoenix to Washington, D.C. Dulles Intl Airport for under $300 on Cheapflights?

    Cheapflights has at least 2 direct flights from Phoenix to Washington, D.C. Dulles Intl Airport under $300. A good price for a nonstop flight from Phoenix to Washington, D.C. Dulles Intl Airport is less than $306.

  • Are there last-minute flights available from Phoenix to Washington, D.C. Dulles Intl Airport for under $300?

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

  • What days are nonstop flights available from Phoenix to Washington, D.C. Dulles Intl Airport?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Friday, Saturday.

  • How many flights depart from Phoenix to Washington, D.C. Dulles Intl Airport on average per day?

    On average, you can expect to see 7 flights from Phoenix to Washington, D.C. Dulles Intl Airport a day.
    Morning (6am - Noon) - 71% of flight departures
    Afternoon (Noon - 6pm) - 29% of flight departures

  • How long is the flight from Phoenix to Washington, D.C. Dulles Intl Airport?

    Frontier, Sun Country Air, and American Airlines can get you from Phoenix to Washington, D.C. Dulles Intl Airport in just under 12h 24m. Your travel time can differ by up to 2h 18m. The distance between Phoenix and Washington, D.C. Dulles Intl Airport is about 1963 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Phoenix to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from Phoenix to Washington, D.C. Dulles Intl Airport is Frontier. Our recent data shows that you can find tickets from as low as $138 on this airline. Additional options worth looking into are Sun Country Air and American Airlines, starting at $245 and $255 round-trip. Frontier is 66% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Phoenix to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $120 on Sun Country Air. Other airlines that offer cheap prices include Frontier from $125 and American Airlines from $133 one-way.

  • What are the most reliable airlines from Phoenix to Washington, D.C. Dulles Intl Airport?

    The top 3 most reliable airlines when flying from Phoenix to Washington, D.C. Dulles Intl Airport are Lufthansa (94%), Austrian Airlines (92%) and Brussels Airlines (92%).

  • What are the cheapest flights from Phoenix to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay $838 for a flight from Phoenix to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $119 while the most popular route, (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl) is currently priced at $197.

  • What does PHX to IAD mean?

    Phoenix Sky Harbor Intl Airport is PHX and Washington, D.C. Dulles Intl Airport is IAD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Phoenix-Mesa Gateway Airport (AZA), Phoenix Scottsdale Municipal Airport (SCF), Prescott Airport (PRC) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Phoenix to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Phoenix to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Phoenix to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Phoenix to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Phoenix to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Phoenix to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Dulles Intl.

  • Can I find deals for business class flights from Phoenix to Dulles Intl?

    Yes. Cheapflights offers flight deals from Phoenix to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Phoenix to Dulles Intl that allow pets onboard?

    Many airlines flying from Phoenix to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Phoenix to Dulles Intl?

    Yes, you can often find last-minute deals on Phoenix to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Phoenix to Washington, D.C. Dulles Intl Airport flight deals updated?

    The Phoenix to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 10/24.

  • What is the cheapest month to book a flight from Phoenix to Washington, D.C. Dulles Intl Airport?

    Currently, December is the cheapest month in which you can book a flight from Phoenix to Washington, D.C. Dulles Intl Airport (average of $290). Flying from Phoenix to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Phoenix to Dulles Intl

Discover the top 5 airlines that operate flights from Phoenix to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,462,889 searches. Data last updated October 24, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$188Average$275FlexibilityNo cancel feeOn-time62%
DeltaCheapest$225Average$333FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$255Average$430FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$260Average$433FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$276Average$426FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines