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 $178. Other airlines that can offer you cheap pricing are United Airlines, from $184, and Delta, from $204. Southern / Mokulele is priced at 22% 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 $44. Allegiant Air flights start at $120 while deals on United Airlines start at $132 one-way.

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 $1,195, our data indicates the cheapest price to be $98. The most popular route (Pittsburgh - Washington, D.C. Dulles Intl), is priced around $99.

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: CommutAir (100%), Austrian Airlines (92%), Copa Airlines (91%).

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

Flights from Pittsburgh to Washington, D.C. Dulles Intl Airport are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

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

Flights from Pittsburgh to Washington, D.C. Dulles Intl Airport lean towards being more expensive in January. Prices are generally better when you fly from Pittsburgh to Washington, D.C. Dulles Intl Airport in August, with the cheapest ticket starting at $114.

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 eDreams the most. eDreams 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.

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 10 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.

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.

$44+ Flights from Pittsburgh to Washington, D.C. Dulles Intl Airport - Compare & Save Big

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Cheapflights Tip: The best prices from Pittsburgh to Washington, D.C. Dulles Intl are usually found in August or December, booked 50 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap flight deals from Pittsburgh to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$178 (FlightHub)
One-way from	$44 (iWofly)
Popular in	January
Cheapest in	August
Average price	$237
Good round-trip deal	$568 or less
Good one-way deal	$193 or less

Provider with most accurate pricing for Pittsburgh-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Pittsburgh-Washington, D.C. Dulles Intl flights.

Search Deals

From Pittsburgh to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Pittsburgh to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($11 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from Pittsburgh to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from Pittsburgh to Washington, D.C. Dulles Intl.

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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 April 29, 2025.

Fri 5/97:40 amPIT - IAD

1 stop3h 40mSouthern / Mokulele

Sun 5/115:25 pmIAD - PIT

1 stop14h 25mSouthern / Mokulele

Deal found 4/28

$178

Fri 8/298:10 pmPIT - IAD

Nonstop1h 02mUnited Airlines

Mon 9/110:10 pmIAD - PIT

Nonstop1h 05mUnited Airlines

Deal found 4/28

$179

Sat 10/115:30 pmPIT - IAD

1 stop5h 30mDelta

Tue 10/145:10 pmIAD - PIT

1 stop4h 44mDelta

Deal found 4/28

$199

Wed 5/217:00 amPIT - IAD

3 stops36h 32mMultiple Airlines

Fri 5/2312:40 pmIAD - PIT

1 stop22h 49mMultiple Airlines

Deal found 4/28

$312

Thu 6/126:00 amPIT - IAD

2 stops32h 23mAllegiant Air

Sun 6/1511:52 amIAD - PIT

1 stop10h 03mAllegiant Air

Deal found 4/28

$328

Tue 5/274:51 pmPIT - IAD

2 stops15h 47mAmerican Airlines

Sat 5/315:26 pmIAD - PIT

1 stop6h 52mAmerican Airlines

Deal found 4/28

$333

Thu 6/127:42 pmPIT - IAD

1 stop11h 45mAlaska Airlines

Thu 6/196:13 pmIAD - PIT

1 stop12h 30mAlaska Airlines

Deal found 4/28

$741

Best flights from Pittsburgh to Dulles Intl
Discover carefully curated flight deals from Pittsburgh to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Fri 5/97:40 amPIT - IAD

1 stop3h 40mSouthern / Mokulele

Sun 5/115:25 pmIAD - PIT

1 stop14h 25mSouthern / Mokulele

Deal found 4/28

$178

Thu 5/1510:20 amPIT - IAD

Nonstop1h 09mUnited Airlines

Tue 11/258:36 amIAD - PIT

Nonstop1h 00mUnited Airlines

Deal found 4/28

$184

Sat 5/176:35 pmPIT - IAD

1 stop4h 19mDelta

Wed 5/216:00 amIAD - PIT

1 stop3h 39mDelta

Deal found 4/28

$204

Wed 5/217:00 amPIT - IAD

3 stops36h 32mMultiple Airlines

Fri 5/2312:40 pmIAD - PIT

1 stop22h 49mMultiple Airlines

Deal found 4/28

$312

Thu 6/126:00 amPIT - IAD

2 stops32h 23mAllegiant Air

Sun 6/1511:52 amIAD - PIT

1 stop10h 03mAllegiant Air

Deal found 4/28

$328

Tue 5/274:51 pmPIT - IAD

2 stops15h 47mAmerican Airlines

Sat 5/315:26 pmIAD - PIT

1 stop6h 52mAmerican Airlines

Deal found 4/28

$333

Thu 6/127:42 pmPIT - IAD

1 stop11h 45mAlaska Airlines

Thu 6/196:13 pmIAD - PIT

1 stop12h 30mAlaska Airlines

Deal found 4/28

$741

Last-minute flights from Pittsburgh to Dulles Intl
Discover last-minute flight deals from Pittsburgh to Dulles Intl. Data last updated April 29, 2025 and is based on user searches.

Wed 5/710:20 amPIT - IAD

Nonstop1h 09mUnited Airlines

Wed 5/1412:55 pmIAD - PIT

Nonstop1h 05mUnited Airlines

Deal found 4/29

$254

Wed 5/712:31 pmPIT - IAD

3 stops47h 52mMultiple Airlines

Wed 5/141:05 pmIAD - PIT

1 stop18h 45mMultiple Airlines

Deal found 4/29

$668

Fri 5/97:40 amPIT - IAD

1 stop3h 40mSouthern / Mokulele

Sun 5/115:25 pmIAD - PIT

1 stop14h 25mSouthern / Mokulele

Deal found 4/28

$178

Fri 5/91:57 pmPIT - IAD

1 stop5h 35mAmerican Airlines

Mon 5/125:02 amIAD - PIT

2 stops15h 12mAmerican Airlines

Deal found 4/28

$441

Sat 5/176:35 pmPIT - IAD

1 stop4h 19mDelta

Wed 5/216:00 amIAD - PIT

1 stop3h 39mDelta

Deal found 4/28

$204

Wed 5/217:00 amPIT - IAD

3 stops36h 32mMultiple Airlines

Fri 5/2312:40 pmIAD - PIT

1 stop22h 49mMultiple Airlines

Deal found 4/28

$312

Tue 5/2710:25 amPIT - IAD

Nonstop1h 12mUnited Airlines

Tue 6/38:30 amIAD - PIT

Nonstop1h 06mUnited Airlines

Deal found 4/28

$179

Tue 5/274:51 pmPIT - IAD

2 stops15h 47mAmerican Airlines

Tue 6/31:59 pmIAD - PIT

1 stop4h 45mAmerican Airlines

Deal found 4/28

$323

One-way flights from Pittsburgh to Dulles Intl
Search for one-way flight options from Pittsburgh to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Wed 6/47:40 amPIT - IAD

1 stop3h 40mSouthern / Mokulele

Deal found 4/28

$44

Sat 6/215:20 pmPIT - IAD

1 stop15h 11mAllegiant Air

Deal found 4/28

$120

Thu 5/291:05 pmPIT - IAD

Nonstop1h 13mUnited Airlines

Deal found 4/28

$132

Sun 6/81:41 pmPIT - IAD

2 stops30h 36mMultiple Airlines

Deal found 4/28

$141

Wed 7/27:00 amPIT - IAD

2 stops12h 44mAmerican Airlines

Deal found 4/28

$198

Wed 5/217:00 amPIT - IAD

1 stop4h 45mDelta

Deal found 4/27

$207

Sat 7/266:03 amPIT - IAD

2 stops33h 37mQatar Airways

Deal found 4/28

$1,320

Cheapflights Fare Finder

Use the filters below to find and compare flights from Pittsburgh to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 5/9

7:40 am-11:20 am

1 stop3h 40m

Washington, D.C. Dulles Intl

Sun 5/11

5:25 pm-7:50 am

1 stop14h 25m

$178

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Thu 5/15

10:20 am-11:29 am

Nonstop1h 09m

Washington, D.C. Dulles Intl

Tue 11/25

8:36 am-9:36 am

Nonstop1h 00m

$184

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Sat 5/17

6:35 pm-10:54 pm

1 stop4h 19m

Washington, D.C. Dulles Intl

Wed 5/21

6:00 am-9:39 am

1 stop3h 39m

$204

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Wed 5/21

7:00 am-7:32 pm

3 stops36h 32m

Washington, D.C. Dulles Intl

Fri 5/23

12:40 pm-11:29 am

1 stop22h 49m

$312

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Thu 6/12

6:00 am-2:23 pm

2 stops32h 23m

Washington, D.C. Dulles Intl

Sun 6/15

11:52 am-9:55 pm

1 stop10h 03m

$328

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Tue 5/27

4:51 pm-8:38 am

2 stops15h 47m

Washington, D.C. Dulles Intl

Sat 5/31

5:26 pm-12:18 am

1 stop6h 52m

$333

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Thu 6/12

7:42 pm-7:27 am

1 stop11h 45m

Washington, D.C. Dulles Intl

Thu 6/19

6:13 pm-6:43 am

1 stop12h 30m

$741

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Wed 6/4

7:40 am-11:20 am

1 stop3h 40m

$44

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Sat 6/21

5:20 pm-8:31 am

1 stop15h 11m

$120

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Thu 5/29

1:05 pm-2:18 pm

Nonstop1h 13m

$132

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 14 results

Compare providers for flights from Pittsburgh to Dulles Intl

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust 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 eDreams the most. eDreams 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.

The best insider tips for Pittsburgh to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Pittsburgh to Washington, D.C. Dulles Intl Airport trip

Airports

PIT

Arrive 3 hours early for morning flights due to busy security lines. Check the airport's live security time tracker for updates.

IAD

Use the Silver Line Metro for a cost-effective ride to downtown D.C. in under 40 minutes from IAD.

Our travel experts

John Walton

Expert on PIT

Ramsey Qubein

Expert on IAD

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.

Cheapflights Insights

Everything you need to know about your flight from Pittsburgh to Washington, D.C. Dulles Intl Airport

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

Booking 50 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 $373). 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?

It’s typically best to fly out from Pittsburgh to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 52% 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?

Travelers seeking maximum savings on their Pittsburgh to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday mornings 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 Pittsburgh to Washington, D.C. Dulles Intl Airport

The most flights from PIT to IAD are scheduled on a Tuesday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Dulles Intl 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

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

Read through reviews of airlines operating flights from Pittsburgh to Washington, D.C., such as Alaska Airlines, Delta and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,961 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,929 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Qatar Airways

7.4

Good

3,561 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Allegiant Air

7.3

Good

734 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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 10 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 $178. Other airlines that can offer you cheap pricing are United Airlines, from $184, and Delta, from $204. Southern / Mokulele is priced at 22% 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 $44. Allegiant Air flights start at $120 while deals on United Airlines start at $132 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: CommutAir (100%), Austrian Airlines (92%), Copa Airlines (91%).
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 $1,195, our data indicates the cheapest price to be $98. The most popular route (Pittsburgh - Washington, D.C. Dulles Intl), is priced around $99.
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 $373). 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.

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Top 2 airlines flying from Pittsburgh to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Southern / Mokulele	Cheapest$112	Average$141	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$179	Average$291	FlexibilityNo cancel fee	On-time69%

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$44+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Pittsburgh to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Pittsburgh to Washington, D.C. Dulles Intl are usually found in August or December, booked 50 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap flight deals from Pittsburgh to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Pittsburgh to Dulles Intl

Cheapest flights from Pittsburgh to Dulles IntlExplore 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 April 29, 2025.

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 April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Pittsburgh to Washington, D.C. Dulles Intl Airport that are best for you.

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 April.

The best insider tips for Pittsburgh to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Pittsburgh to Washington, D.C. Dulles Intl Airport trip

Airports

PIT

IAD

Our travel experts

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.

Cheapflights Insights

Everything you need to know about your flight from Pittsburgh to Washington, D.C. Dulles Intl Airport

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 April 25, 2025.

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

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 April 29, 2025.

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 March 30, 2025.

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

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Pittsburgh to Washington, D.C., such as Alaska Airlines, Delta and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

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

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

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Alternative routes for Pittsburgh to Dulles Intl

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Top 2 airlines flying from Pittsburgh to Dulles Intl

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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 April 29, 2025.