HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$115+ Cheap flights from Sky Harbor Intl (PHX) 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IAD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl 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 Sky Harbor Intl 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 Sky Harbor Intl to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

August

Round-trip from

$278
(Frontier)

One-way from

$115
(Frontier)
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Washington, D.C. Dulles Intl flights.
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Best time to find cheap flights, 11% potential price drop
Search Deals
From Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl
Search Deals

Find flight deals from Sky Harbor Intl to Dulles Intl

Cheapest flights from Sky Harbor Intl to Dulles Intl
Explore the most affordable flight options available from Sky Harbor Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/1111:59 pmPHX - IAD
Nonstop4h 08mUnited Airlines
Sat 12/145:45 pmIAD - PHX
Nonstop5h 09mUnited Airlines
Deal found 11/19$299
This Delta deal was found by Cheapflights users on 11/20. 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.
Wed 12/1111:59 pmPHX - IAD
1 stop7h 11mDelta
Sun 1/124:58 pmIAD - PHX
1 stop6h 57mDelta
Deal found 11/20$318
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:55 pmPHX - IAD
1 stop29h 45mFrontier
Tue 12/318:05 amIAD - PHX
1 stop16h 43mFrontier
Deal found 11/19$328
This Southwest deal was found by Cheapflights users on 11/20. 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.
Wed 12/2510:55 amPHX - IAD
Nonstop4h 05mSouthwest
Sun 1/55:15 amIAD - PHX
1 stop9h 45mSouthwest
Deal found 11/20$348
This Orbitz deal was found by Cheapflights users on 11/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/511:54 amPHX - IAD
1 stop10h 05mMultiple Airlines
Mon 12/912:14 pmIAD - PHX
1 stop8h 27mMultiple Airlines
Deal found 11/19$353
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Sun 12/2911:09 pmPHX - IAD
1 stop7h 40mAmerican Airlines
Thu 1/25:00 amIAD - PHX
1 stop7h 14mAmerican Airlines
Deal found 11/19$426
This Sun Country Air deal was found by Cheapflights users on 11/19. 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.
Wed 11/2712:59 amPHX - IAD
1 stop8h 26mSun Country Air
Fri 11/2912:40 pmIAD - PHX
1 stop8h 04mSun Country Air
Deal found 11/19$490
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/116:20 amPHX - IAD
2 stops13h 23mAlaska Airlines
Sat 12/145:10 pmIAD - PHX
2 stops24h 37mAlaska Airlines
Deal found 11/19$520

Find flights from Sky Harbor Intl to Dulles Intl within your budget

Customize your flight search to find flights from Sky Harbor Intl 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Mon 1/6

7:10 am-3:52 pm

1 stop6h 42m

Washington, D.C. Dulles Intl

Mon 1/13

10:37 am-6:13 pm

1 stop9h 36m

$278

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 1/14

6:30 am-5:57 pm

1 stop9h 27m

Washington, D.C. Dulles Intl

Fri 1/24

11:34 am-11:38 pm

1 stop14h 04m

$293

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 12/11

11:59 pm-6:07 am

Nonstop4h 08m

Washington, D.C. Dulles Intl

Sat 12/14

5:45 pm-8:54 pm

Nonstop5h 09m

$299

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 2/6

10:30 am-4:40 pm

Nonstop4h 10m

Washington, D.C. Dulles Intl

Sun 2/9

3:55 pm-7:05 pm

Nonstop5h 10m

$300

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 12/11

11:59 pm-9:10 am

1 stop7h 11m

Washington, D.C. Dulles Intl

Sun 1/12

4:58 pm-9:55 pm

1 stop6h 57m

$318

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 1/14

2:45 pm-4:23 pm

2 stops23h 38m

Washington, D.C. Dulles Intl

Fri 1/24

6:57 pm-11:51 am

1 stop18h 54m

$356

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Mon 1/13

1:20 pm-11:58 pm

2 stops8h 38m

Washington, D.C. Dulles Intl

Wed 1/15

6:22 am-2:09 pm

1 stop9h 47m

$401

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 2/26

12:56 am-5:13 pm

1 stop14h 17m

$115

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 1/30

12:59 am-9:14 am

1 stop6h 15m

$133

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 12/25

11:59 pm-6:14 am

Nonstop4h 15m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 16 results
1
2

Compare providers for flights from Sky Harbor Intl to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Dulles Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sky Harbor Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sky Harbor Intl 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 Sky Harbor Intl to Dulles Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Dulles Intl. Price data was last updated on November 15, 2024.

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). 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 Sky Harbor Intl 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 November 20, 2024.

It’s typically best to fly out from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Dulles Intl. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport 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.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Sky Harbor Intl to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2024.

The most flights from PHX to IAD are scheduled on a Tuesday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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 November 20, 2024.
Read reviews from past customers who have flown Alaska Airlines, American Airlines and United Airlines from Phoenix to Washington, D.C.. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

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 Sky Harbor Intl to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Currently priced at $278, Frontier will fly you from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Southwest - these airlines can fly you to your destination from $299 and $300, respectively. Frontier is currently priced 32% below the average price you’ll pay for this route.

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

    $115 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Sun Country Air and United Airlines, with prices starting from $133 and $150, respectively.

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

    Consider Lufthansa (99%), Brussels Airlines (98%) or Austrian Airlines (98%) when booking your flight. These represent the most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport.

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

    Looking at all options, your cheapest flight can be booked for $123. While the most popular route (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl) can be booked for $299 on average our data indicates $1,419 when flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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.

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

    Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). 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.

Alternative routes for Sky Harbor Intl to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Reagan-National flights
Sky Harbor Intl to Baltimore flights

Top 5 airlines flying from Sky Harbor Intl to Dulles Intl

Discover the top 5 airlines that operate flights from Sky Harbor Intl 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$137Average$256FlexibilityNo cancel feeOn-time62%
DeltaCheapest$232Average$336FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$260Average$380FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$261Average$435FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$283Average$439FlexibilityNo 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