Dulles Intl

$67+ Cheap flights from Pittsburgh (PIT) 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — IAD
Dec 24 — Dec 311
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pittsburgh 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 Pittsburgh to Washington, D.C. Dulles Intl are usually found in January or August, booked 40 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Pittsburgh to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) 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 December 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$179
(United Airlines)

One-way from

$67
(Expedia)

Popular in

June

Cheapest in

January

Average price

$179
Provider with most accurate pricing for Pittsburgh-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Pittsburgh-Washington, D.C. Dulles Intl flights.
From Pittsburgh to Washington, D.C. Dulles Intl
One-way flight from Pittsburgh to Washington, D.C. Dulles Intl
High demand for flights, 12% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for round-trip flights in December 2024

Find flight deals from Pittsburgh to Dulles Intl

Cheapest flights from Pittsburgh to Dulles Intl
Explore the most affordable flight options available from Pittsburgh to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2011:59 amPIT - IAD
1 stop4h 11mSouthern / Mokulele
Sat 12/218:25 amIAD - PIT
1 stop6h 08mSouthern / Mokulele
Deal found 12/17$181
This United deal was found by Cheapflights users on 12/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/192:34 pmPIT - IAD
Nonstop1h 11mUnited Airlines
Sun 1/510:10 pmIAD - PIT
Nonstop1h 04mUnited Airlines
Deal found 12/18$304
This Mytrip deal was found by Cheapflights users on 12/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/245:15 amPIT - IAD
2 stops32h 40mMultiple Airlines
Tue 12/3112:55 pmIAD - PIT
1 stop5h 05mMultiple Airlines
Deal found 12/19$450
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Tue 12/2412:08 pmPIT - IAD
2 stops31h 26mAmerican Airlines
Tue 12/311:53 pmIAD - PIT
2 stops19h 33mAmerican Airlines
Deal found 12/19$579

Find flights from Pittsburgh to Dulles Intl within your budget

Customize your flight search to find flights from Pittsburgh 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 2,558,603 searches. Data last updated December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Wed 1/15

10:44 am-11:53 am

Nonstop1h 09m

Washington, D.C. Dulles Intl

Wed 1/22

5:55 pm-7:04 pm

Nonstop1h 09m

$179

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Thu 1/2

7:40 am-11:26 am

1 stop3h 46m

Washington, D.C. Dulles Intl

Mon 1/6

12:55 pm-5:13 pm

1 stop4h 18m

$184

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Thu 2/27

7:40 am-11:26 am

1 stop3h 46m

Washington, D.C. Dulles Intl

Sun 3/2

9:36 pm-6:55 pm

2 stops21h 19m

$256

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Thu 1/9

6:05 am-1:23 pm

1 stop7h 18m

Washington, D.C. Dulles Intl

Sat 1/11

5:00 am-9:04 am

1 stop4h 04m

$282

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Wed 5/28

7:20 am-11:51 am

1 stop4h 31m

Washington, D.C. Dulles Intl

Tue 6/10

6:10 am-9:33 am

1 stop3h 23m

$438

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 1/31

11:55 am-4:10 pm

1 stop4h 15m

$67

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Tue 2/18

6:15 am-7:25 am

Nonstop1h 10m

$107

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Wed 2/12

7:59 pm-8:56 pm

3 stops24h 57m

$152

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Sat 2/22

6:00 am-6:01 pm

2 stops12h 01m

$228

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Sat 12/28

5:52 pm-11:02 pm

1 stop5h 10m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 11 results
1
2

Compare providers for flights from Pittsburgh 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 Pittsburgh to Dulles Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Pittsburgh-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 Pittsburgh-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-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 Pittsburgh-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 Pittsburgh-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 Pittsburgh to Dulles Intl

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to Dulles Intl. Price data was last updated on December 13, 2024.

Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pittsburgh to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Pittsburgh to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Pittsburgh to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 PIT to IAD?

Find hourly flight availability from Pittsburgh 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 December 19, 2024.

It’s typically best to fly out from Pittsburgh to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 55% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Pittsburgh to Dulles Intl. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Pittsburgh to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Pittsburgh 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 December 19, 2024.

The most flights from PIT to IAD are scheduled on a Thursday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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 December 19, 2024.
Read through reviews of airlines operating flights from Pittsburgh to Washington, D.C., such as United Airlines, Southern / Mokulele and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,600 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8,600 reviews
8.0
Very good
8,600 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.5
Good
3,792 reviews
8.0
Very good
8,600 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.4
Good
9,048 reviews
8.0
Very good
8,600 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.2
Good
10,000 reviews
8.0
Very good
8,600 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh 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 airport do you fly from for flights from Pittsburgh to Washington, D.C. Dulles Intl?

    Pittsburgh (PIT) is the airport you will fly out of if you book a flight from Pittsburgh to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Pittsburgh; the airport handles an average of 13 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Pittsburgh airport to Washington, D.C. Dulles Intl. It is only a 13.5 mi journey to Pittsburgh (PIT) from Pittsburgh’s city center.

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

    Cheapflights users have booked flights from Pittsburgh to Washington, D.C. Dulles Intl Airport round-trip from $179. Other airlines that can offer you cheap pricing are Southern / Mokulele, from $184, and Delta, from $198. United Airlines is priced at 16% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Southern / Mokulele, which is currently one of the cheapest options available, starting at $67. United Airlines flights start at $107 while deals on American Airlines start at $228 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Pittsburgh to Washington, D.C. Dulles Intl Airport on time: Copa Airlines (94%), Avianca (92%), CommutAir (92%).

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

    Looking for the cheapest flight from Pittsburgh to Washington, D.C. Dulles Intl Airport? While on average our users pay $1,011, our data indicates the cheapest price to be $122. The most popular route (Pittsburgh - Washington, D.C. Dulles Intl), is priced around $102.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pittsburgh 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 Pittsburgh to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Pittsburgh to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Pittsburgh to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 2 airlines flying from Pittsburgh to Dulles Intl

Discover the top 2 airlines that operate flights from Pittsburgh 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 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$113Average$142FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$158Average$285FlexibilityNo cancel feeOn-time69%
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.