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$49+ Cheap flights from Dulles Intl (IAD) to Pittsburgh (PIT)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PIT
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap flight deals from Dulles Intl to Pittsburgh

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 July 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Sat 8/82:55 pm
PIT
-
IAD
1 stop20h 43m
Southern / Mokulele
Deal found 7/22$177
This Southern / Mokulele deal was found by Cheapflights users on 7/22. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:25 am
IAD
-
PIT
1 stop5h 57m
Southern / Mokulele
Sat 8/82:55 pm
PIT
-
IAD
1 stop20h 43m
Southern / Mokulele
Deal found 7/22$178
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:20 pm
IAD
-
PIT
Nonstop1h 10m
United Airlines
Mon 8/243:20 pm
PIT
-
IAD
Nonstop1h 00m
United Airlines
Deal found 7/21$181
This FlightHub deal was found by Cheapflights users on 7/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Sun 8/165:20 pm
PIT
-
IAD
1 stop13h 58m
Southern / Mokulele
Deal found 7/19$182
This Southern / Mokulele deal was found by Cheapflights users on 7/23. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Wed 8/2611:55 am
PIT
-
IAD
1 stop4h 18m
Southern / Mokulele
Deal found 7/23$186
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:05 pm
IAD
-
PIT
Nonstop1h 06m
United Airlines
Sun 9/66:10 am
PIT
-
IAD
Nonstop1h 09m
United Airlines
Deal found 7/21$187
This Southern / Mokulele deal was found by Cheapflights users on 7/23. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Sun 9/135:20 pm
PIT
-
IAD
1 stop13h 58m
Southern / Mokulele
Deal found 7/23$189
This CheapOair deal was found by Cheapflights users on 7/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:25 am
IAD
-
PIT
1 stop23h 20m
Southern / Mokulele
Sun 8/25:20 pm
PIT
-
IAD
1 stop22h 38m
Southern / Mokulele
Deal found 7/18$190
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:25 am
IAD
-
PIT
1 stop4h 57m
Southern / Mokulele
Mon 7/277:45 am
PIT
-
IAD
1 stop8h 13m
Southern / Mokulele
Deal found 7/19$196
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:25 am
IAD
-
PIT
1 stop4h 57m
Southern / Mokulele
Sat 7/2511:55 am
PIT
-
IAD
1 stop23h 43m
Southern / Mokulele
Deal found 7/19$197
This Southern / Mokulele deal was found by Cheapflights users on 7/19. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Mon 7/272:55 pm
PIT
-
IAD
1 stop20h 43m
Southern / Mokulele
Deal found 7/19$198

Find flight deals from Dulles Intl to Pittsburgh

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Pittsburgh (PIT). 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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(Kiwi.com)

One-way from

$49
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$537

Good round-trip deal

$244 or less

Good one-way deal

$171 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. 29% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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

 
Customize your flight search to find flights from Dulles Intl to Pittsburgh 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 July 23, 2026.
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 - PIT

IADPIT

Washington, D.C. Dulles Intl

Mon 8/24

1:05 pm-2:11 pm

Nonstop1h 06m

Pittsburgh

Mon 8/24

7:59 pm-9:13 pm

Nonstop1h 14m

$181

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Sat 9/5

8:30 am-9:36 am

Nonstop1h 06m

Pittsburgh

Sun 9/6

6:10 am-7:19 am

Nonstop1h 09m

$187

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Wed 10/7

10:20 pm-11:30 pm

Nonstop1h 10m

Pittsburgh

Thu 10/8

10:25 am-11:34 am

Nonstop1h 09m

$196

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Fri 10/2

8:31 am-9:37 am

Nonstop1h 06m

Pittsburgh

Mon 10/5

7:59 pm-9:13 pm

Nonstop1h 14m

$210
Quickest round-trip

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Tue 8/18

1:05 pm-2:11 pm

Nonstop1h 06m

Pittsburgh

Fri 8/21

3:20 pm-4:20 pm

Nonstop1h 00m

$225

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Thu 8/6

10:30 pm-11:36 pm

Nonstop1h 06m

Pittsburgh

Mon 8/10

3:06 pm-4:12 pm

Nonstop1h 06m

$225

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Tue 9/22

10:20 pm-11:30 pm

Nonstop1h 10m

Pittsburgh

Wed 9/23

6:10 am-7:19 am

Nonstop1h 09m

$251

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Wed 8/12

1:05 pm-2:11 pm

Nonstop1h 06m

Pittsburgh

Wed 8/26

10:25 am-11:33 am

Nonstop1h 08m

$258

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Sun 10/4

6:45 am-11:02 am

1 stop4h 17m

Pittsburgh

Wed 10/7

10:25 am-11:34 am

Nonstop1h 09m

$272

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Sat 8/8

10:30 pm-11:36 pm

Nonstop1h 06m

Pittsburgh

Sun 8/9

6:06 am-7:18 am

Nonstop1h 12m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Pittsburgh

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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy2 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
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

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?

Find hourly flight availability from Dulles Intl to Pittsburgh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Pittsburgh at noon. By choosing this option you can save up to 36% 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?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Pittsburgh. Price data was last updated on July 18, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Pittsburgh flight should consider departing on Sunday at noon when fares are most often at their lowest. Monday at noon 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 $244 and $400 in August.
The cheapest round-trip price found within the last 5 days was $177 on Southern / Mokulele (Aug 5-Aug 8).

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
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

Get insights into the airlines that provide service to Pittsburgh. 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 Pittsburgh. Reviews last updated July 23, 2026.
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
10,025 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

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
10,025 reviews
United Airlines
7.4
Good
10,025 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

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
10,025 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

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

Find useful and relevant information for your journey from Dulles Intl to Pittsburgh. 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 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 06m. United Airlines provides one of the quickest options available for as low as $181. Airlines will cover a distance of 183 mi. Most flights are nonstop.

  • 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 $113. Another airline that can offer you cheap pricing is United Airlines. Southern / Mokulele is priced at 61% 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: CommutAir (100%), Mesa Airlines (93%), ANA (92%).

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

    On average you can expect to pay $374 for a flight from Washington, D.C. Dulles Intl Airport to Pittsburgh. The cheapest flight overall is $93 while the most popular route, (Washington, D.C. Dulles Intl - Pittsburgh) is currently priced at $97.

  • 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
Mars
Chester
Wexford
Belle Vernon

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Top 2 airlines flying from Dulles Intl to Pittsburgh

Discover the top 2 airlines that operate flights from Dulles Intl to Pittsburgh. 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$113Average$159FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$175Average$300FlexibilityNo cancel feeOn-time69%

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