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 1h 10m. Delta provides one of the quickest options available for as low as $187. 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.

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

The most flights from IAD to PIT are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

In terms of precipitation, rainfall in Pittsburgh ranges from 2.3 - 4.3 inches per month. June is typically the wettest month, when rainfall can reach 4.3 in. October is typically the driest time to visit Pittsburgh when rainfall is around 2.3 in.

If weather is an important factor for your trip to Pittsburgh, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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

On average you can expect to pay $364 for a flight from Washington, D.C. Dulles Intl Airport to Pittsburgh. The cheapest flight overall is $130 while the most popular route, (Washington, D.C. Dulles Intl - Pittsburgh) is currently priced at $117.

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%).

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.

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 12 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.

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.

$74+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Pittsburgh

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Cheap flight deals from Dulles Intl to Pittsburgh

Cheapest

Best

Last-minute

One-way

Cheapest flights from Dulles Intl to Pittsburgh
Explore the most affordable flight options available from Dulles Intl to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.

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

Thu 10/2212:50 pm -

1 stop4h 17m

Thu 10/2911:55 am -

1 stop4h 18m

Deal found 9/7

$161

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

Thu 9/1012:50 pm -

1 stop4h 17m

Mon 9/1411:55 am -

1 stop4h 18m

Deal found 9/9

$169

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

Best flights from Dulles Intl to Pittsburgh
Discover carefully curated flight deals from Dulles Intl to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.

Sat 10/3112:30 pm -

1 stop4h 34m

Tue 11/37:21 am -

1 stop4h 29m

Deal found 9/10

$157

Sat 9/268:25 am -

1 stop5h 57m

Wed 9/3011:55 am -

1 stop4h 18m

Deal found 9/10

$169

Sat 10/2410:20 pm -

Nonstop1h 10m

Sat 10/318:00 pm -

Nonstop1h 22m

Deal found 9/9

$187

Wed 10/218:25 am -

1 stop5h 57m

Wed 10/2811:55 am -

1 stop4h 18m

Deal found 9/6

$186

Fri 9/2512:50 pm -

1 stop4h 17m

Sun 9/272:55 pm -

1 stop16h 08m

Deal found 9/7

$188

Thu 10/11:05 pm -

Nonstop1h 07m

Sat 10/36:26 am -

Nonstop1h 09m

Deal found 9/8

$283

Fri 11/138:30 am -

Nonstop1h 06m

Sun 11/156:12 am -

Nonstop1h 13m

Deal found 9/8

$307

Fri 10/910:20 pm -

Nonstop1h 10m

Sun 10/1110:25 am -

Nonstop1h 09m

Deal found 9/10

$320

Sat 10/178:31 am -

Nonstop1h 06m

Tue 10/209:30 am -

1 stop6h 53m

Deal found 9/9

$343

Tue 11/246:10 am -

1 stop3h 55m

Mon 11/308:00 pm -

Nonstop1h 22m

Deal found 9/10

$364

Thu 10/810:20 pm -

Nonstop1h 10m

Tue 10/137:30 am -

1 stop3h 55m

Deal found 9/6

$369

Sat 9/265:30 pm -

1 stop4h 06m

Mon 9/287:59 pm -

Nonstop1h 14m

Deal found 9/6

$369

Last-minute flights from Dulles Intl to Pittsburgh
Discover last-minute flight deals from Dulles Intl to Pittsburgh. Data last updated September 11, 2026 and is based on user searches.

Thu 9/1012:50 pm -

1 stop4h 17m

Fri 9/1110:55 am -

1 stop5h 18m

Deal found 9/8

$153

Thu 9/1012:50 pm -

1 stop4h 17m

Mon 9/1411:55 am -

1 stop4h 18m

Deal found 9/9

$169

Tue 9/1512:50 pm -

1 stop4h 17m

Fri 9/1811:55 am -

1 stop4h 18m

Deal found 9/10

$168

Mon 9/2812:50 pm -

1 stop4h 17m

Wed 9/3011:55 am -

1 stop4h 18m

Deal found 9/10

$173

Thu 10/16:10 am -

1 stop5h 09m

Mon 10/57:38 pm -

1 stop3h 31m

Deal found 9/9

$157

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

Sat 10/178:25 am -

1 stop5h 57m

Tue 10/2011:55 am -

1 stop4h 18m

Deal found 9/8

$159

Mon 10/198:25 am -

1 stop5h 57m

Mon 10/2611:55 am -

1 stop4h 18m

Deal found 9/9

$172

Thu 10/2212:50 pm -

1 stop4h 17m

Thu 10/2911:55 am -

1 stop4h 18m

Deal found 9/7

$161

One-way flights from Dulles Intl to Pittsburgh
Search for one-way flight options from Dulles Intl to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.

Wed 9/168:25 am -

1 stop5h 57m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/6

$74

Thu 9/2412:50 pm -

1 stop4h 17m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$75

Mon 9/2112:50 pm -

1 stop4h 17m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$76

Tue 9/2212:50 pm -

1 stop4h 17m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$79

Sun 10/412:50 pm -

1 stop4h 17m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$84

Tue 10/612:50 pm -

1 stop4h 17m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/11

$85

Wed 10/2112:50 pm -

1 stop4h 17m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/6

$93

Wed 9/235:25 pm -

1 stop23h 42m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$109

Sat 9/1912:50 pm -

1 stop25h 32m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$129

Sat 11/77:52 am -

2 stops37h 33m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$135

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	$296
Good round-trip deal	$256 or less
Good one-way deal	$279 or less

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

Search Deals

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

Search Deals

From Washington, D.C. Dulles Intl to Pittsburgh

Search Deals

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

Search Deals

Highest demand for flights based on searches. 33% potential increase in price ($162 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

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

Search Deals

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

Search Deals

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

Wed 9/16

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$74

Washington, D.C.Pittsburgh

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

IADPIT

Washington, D.C. Dulles Intl

Thu 10/15

8:25 am-2:22 pm

1 stop5h 57m

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

Wed 10/21

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

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

Sat 9/26

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Wed 9/30

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

Wed 10/21

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Wed 10/28

11:55 am-4:13 pm

1 stop4h 18m

$186

Washington, D.C.Pittsburgh

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

IADPIT

Washington, D.C. Dulles Intl

Thu 10/15

10:20 pm-11:30 pm

Nonstop1h 10m

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

Wed 12/23

1:13 pm-2:22 pm

Nonstop1h 09m

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

Thu 10/1

8:31 am-9:36 am

Nonstop1h 05m

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 9/6

Showing 1-10 of 23 resultsSorted by cheapest first

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	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 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.

IAD-PIT

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 Washington, D.C. Dulles Intl Airport to Pittsburgh

Prices

Airlines

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 $188 and $485 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

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.

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.

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

10,196 reviews

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

10,196 reviews

United Airlines

7.4

Good

10,196 reviews

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

10,196 reviews

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 12 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 1h 10m. Delta provides one of the quickest options available for as low as $187. 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 $364 for a flight from Washington, D.C. Dulles Intl Airport to Pittsburgh. The cheapest flight overall is $130 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

Monroeville

Washington

Chester

Mars

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Baltimore to Erie flights

Baltimore to Harrisburg flights

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Reagan-National to Elmira flights

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Reagan-National to Harrisburg flights

Baltimore to Lancaster flights

Baltimore to Franklin flights

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Reagan-National to Williamsport flights

Baltimore to Latrobe flights

Baltimore to Altoona flights

Baltimore to Williamsport flights

Top 2 airlines flying from Dulles Intl to Pittsburgh

Airline	Cheapest	Average	Flexibility	On-time
Southern / Mokulele	Cheapest$108	Average$168	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$175	Average$311	FlexibilityNo cancel fee	On-time69%

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

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Dulles Intl to Pittsburgh

Cheapest flights from Dulles Intl to PittsburghExplore the most affordable flight options available from Dulles Intl to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.

Explore the most affordable flight options available from Dulles Intl to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.

Best flights from Dulles Intl to PittsburghDiscover carefully curated flight deals from Dulles Intl to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.

Discover carefully curated flight deals from Dulles Intl to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.

Last-minute flights from Dulles Intl to PittsburghDiscover last-minute flight deals from Dulles Intl to Pittsburgh. Data last updated September 11, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Pittsburgh. Data last updated September 11, 2026 and is based on user searches.

One-way flights from Dulles Intl to PittsburghSearch for one-way flight options from Dulles Intl to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.

Search for one-way flight options from Dulles Intl to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.

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

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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 Dulles Intl to Pittsburgh in September.

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.

Cheapflights Insights

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

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?

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 $188 and $485 in October.The cheapest round-trip price found within the last 5 days was $157 on Delta (Oct 1-Oct 5).

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

The most flights from IAD to PIT are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

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

AI-powered summary based on content written by travel experts. AI can make mistakes.

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

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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.

Related info for your journey

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

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

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

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

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

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

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

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

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

Traveling to a place near Pittsburgh?

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Alternative routes for Dulles Intl to Pittsburgh

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Dulles Intl and Pittsburgh flights

Browse other Dulles Intl and Pittsburgh flight options. Last updated on September 11, 2026.

Other flights from Dulles Intl

Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.

Other flights to Pittsburgh

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Top 2 airlines flying from Dulles Intl to Pittsburgh

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Cheapest flights from Dulles Intl to Pittsburgh
Explore the most affordable flight options available from Dulles Intl to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.

Best flights from Dulles Intl to Pittsburgh
Discover carefully curated flight deals from Dulles Intl to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.

Last-minute flights from Dulles Intl to Pittsburgh
Discover last-minute flight deals from Dulles Intl to Pittsburgh. Data last updated September 11, 2026 and is based on user searches.

One-way flights from Dulles Intl to Pittsburgh
Search for one-way flight options from Dulles Intl to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.

Washington, D.C. Dulles Intl Airport to Pittsburgh flights typically cost between $188 and $485 in October.
The cheapest round-trip price found within the last 5 days was $157 on Delta (Oct 1-Oct 5).