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$74+ Cheap flights from Dulles Intl (IAD) to Pittsburgh (PIT)

IAD — PIT
Oct 13 — Oct 201
Tue 10/13
Tue 10/20
1 adult, Economy
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Cheap flight deals from Dulles Intl to Pittsburgh

Cheapest flights from Dulles Intl to Pittsburgh

Thu 9/1012:50 pm -
1 stop4h 17m
Fri 9/1110:55 am -
1 stop5h 18m
Deal found 9/8$153
Thu 10/16:10 am -
1 stop5h 09m
Mon 10/57:38 pm -
1 stop3h 31m
Deal found 9/9$157
Sat 10/178:25 am -
1 stop5h 57m
Tue 10/2011:55 am -
1 stop4h 18m
Deal found 9/8$159
Thu 10/112:50 pm -
1 stop4h 17m
Mon 10/511:55 am -
1 stop4h 18m
Deal found 9/8$160
Fri 10/210:20 pm -
Nonstop1h 10m
Mon 10/57:59 pm -
Nonstop1h 14m
Deal found 9/10$164
Sat 10/1010:20 pm -
Nonstop1h 10m
Thu 10/156:26 am -
Nonstop1h 09m
Deal found 9/10$167
Tue 9/1512:50 pm -
1 stop4h 17m
Fri 9/1811:55 am -
1 stop4h 18m
Deal found 9/10$168
Mon 10/198:25 am -
1 stop5h 57m
Mon 10/2611:55 am -
1 stop4h 18m
Deal found 9/9$172
Mon 9/2812:50 pm -
1 stop4h 17m
Wed 9/3011:55 am -
1 stop4h 18m
Deal found 9/10$173
Sat 10/178:25 am -
1 stop5h 57m
Sun 10/182:55 pm -
1 stop20h 43m
Deal found 9/11$179

Find flight deals from Dulles Intl to Pittsburgh

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Delta)

One-way from

$74
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$362

Good round-trip deal

$261 or less

Good one-way deal

$260 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Pittsburgh flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Pittsburgh flights.
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From Washington, D.C. Dulles Intl to Pittsburgh
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One-way flight from Washington, D.C. Dulles Intl to Pittsburgh
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Highest demand for flights based on searches. 32% potential increase in price ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Pittsburgh.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Pittsburgh.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Tue 9/15

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$85

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Tue 10/6

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$85

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Fri 10/23

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$93

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Thu 10/1

6:10 am-11:19 am

1 stop5h 09m

Pittsburgh

Mon 10/5

7:38 pm-11:09 pm

1 stop3h 31m

$157

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Sat 10/31

12:30 pm-5:04 pm

1 stop4h 34m

Pittsburgh

Tue 11/3

7:21 am-11:50 am

1 stop4h 29m

$157

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Fri 10/2

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Mon 10/5

11:55 am-4:13 pm

1 stop4h 18m

$169

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Thu 10/1

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Mon 10/5

11:55 am-4:13 pm

1 stop4h 18m

$169

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Sat 11/7

10:22 pm-11:30 pm

Nonstop1h 08m

Pittsburgh

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$187
Quickest round-trip

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Fri 11/6

1:09 pm-2:14 pm

Nonstop1h 05m

Pittsburgh

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$187

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Fri 10/9

10:20 pm-11:30 pm

Nonstop1h 10m

Pittsburgh

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 24 resultsSorted by cheapest first
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Compare providers for flights from Dulles Intl to Pittsburgh

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Pittsburgh in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Washington, D.C. Dulles Intl Airport-Pittsburgh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Pittsburgh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Pittsburgh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Pittsburgh 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 Washington, D.C. Dulles Intl Airport-Pittsburgh 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 Dulles Intl to Pittsburgh

Have a flexible travel schedule? Discover the best time to fly to Pittsburgh from Dulles Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pittsburgh (average of $179). Flying from Washington, D.C. Dulles Intl Airport to Pittsburgh in July is currently the most expensive (average of $537). 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 IAD to PIT?

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Pittsburgh in the evening. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the afternoon.

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

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

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Pittsburgh?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Pittsburgh flights typically cost between $209 and $495 in October.
The cheapest round-trip price found within the last 5 days was $157 on Delta (Oct 1-Oct 5).

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

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

John Walton

Expert on PIT

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Pittsburgh

See what other customers who have flown with United Airlines and Southern / Mokulele from Washington, D.C. Dulles Intl Airport to Pittsburgh have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,211 reviews

Comfort

7.3

Food

6.7

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
10,211 reviews
United Airlines
7.4
Good
10,211 reviews

Comfort

7.3

Food

6.7

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Southern / Mokulele
6.5
Okay
27 reviews
United Airlines
7.4
Good
10,211 reviews

Comfort

7.3

Food

6.7

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

  • What airport do you fly into for flights to Pittsburgh from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Pittsburgh, you will be flying into Pittsburgh. Pittsburgh (PIT) is just 13.5 mi from the center of the city. Pittsburgh is the only Pittsburgh airport and it handles 11 inbound flights from Washington, D.C. Dulles Intl per day. 2 airlines have flights to Pittsburgh from Washington, D.C. Dulles Intl on a regular basis.

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Pittsburgh can take about 4h 17m. Delta provides one of the quickest options available for as low as $169. Airlines will cover a distance of 183 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Pittsburgh round-trip from $108. Another airline that can offer you cheap pricing is United Airlines. Southern / Mokulele is priced at 66% lower than the current average price of a flight leaving 3 months from now.

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

    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 Washington, D.C. Dulles Intl Airport to Pittsburgh on time: Mesa Airlines (91%), ANA (90%), Ethiopian Air (87%).

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

    On average you can expect to pay $349 for a flight from Washington, D.C. Dulles Intl Airport to Pittsburgh. The cheapest flight overall is $58 while the most popular route, (Washington, D.C. Dulles Intl - Pittsburgh) is currently priced at $117.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pittsburgh (average of $179). Flying from Washington, D.C. Dulles Intl Airport to Pittsburgh in July is currently the most expensive (average of $537). 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

Traveling to a place near Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
Monroeville
Washington
Chester
Mars
Wexford

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Dulles Intl to Pittsburgh

AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$108Average$168FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$175Average$311FlexibilityNo cancel feeOn-time69%

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