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$70+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PIT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$142
(Kiwi.com)

One-way from

$70
(Southern / Mokulele)

Popular in

March

Cheapest in

January

Average price

$199

Good round-trip deal

$224 or less

Good one-way deal

$133 or less
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. 6% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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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Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 9/268:25 amIAD - PIT
1 stop5h 57mSouthern / Mokulele
Mon 9/297:40 amPIT - IAD
1 stop3h 43mSouthern / Mokulele
Deal found 9/10$142
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Wed 10/812:55 pmIAD - PIT
1 stop4h 12mSouthern / Mokulele
Mon 10/1311:55 amPIT - IAD
1 stop4h 18mSouthern / Mokulele
Deal found 9/10$143
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:40 pmIAD - PIT
1 stop3h 48mSouthern / Mokulele
Sun 11/235:20 pmPIT - IAD
1 stop3h 41mSouthern / Mokulele
Deal found 9/9$144
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:25 amIAD - PIT
1 stop5h 57mSouthern / Mokulele
Mon 9/1511:55 amPIT - IAD
1 stop4h 18mSouthern / Mokulele
Deal found 9/9$145
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:55 pmIAD - PIT
1 stop4h 12mSouthern / Mokulele
Sun 9/212:55 pmPIT - IAD
1 stop16h 08mSouthern / Mokulele
Deal found 9/9$146
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/278:25 amIAD - PIT
1 stop5h 57mSouthern / Mokulele
Sat 3/78:15 amPIT - IAD
1 stop3h 06mSouthern / Mokulele
Deal found 9/10$153
This KAYAK deal was found by Cheapflights users on 9/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:25 amIAD - PIT
1 stop5h 57mSouthern / Mokulele
Fri 9/197:40 amPIT - IAD
1 stop3h 40mSouthern / Mokulele
Deal found 9/11$154
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/115:45 pmIAD - PIT
Nonstop1h 03mUnited Airlines
Sat 10/1810:29 amPIT - IAD
Nonstop1h 13mUnited Airlines
Deal found 9/11$157
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:25 amIAD - PIT
1 stop5h 57mSouthern / Mokulele
Sun 9/285:20 pmPIT - IAD
1 stop3h 41mSouthern / Mokulele
Deal found 9/11$158
This eDestinos deal was found by Cheapflights users on 9/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:55 pmIAD - PIT
1 stop4h 12mSouthern / Mokulele
Mon 1/511:55 amPIT - IAD
1 stop4h 20mSouthern / Mokulele
Deal found 9/10$161
This CheapOair deal was found by Cheapflights users on 9/10. 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 9/198:25 amIAD - PIT
1 stop5h 57mSouthern / Mokulele
Sat 9/202:55 pmPIT - IAD
1 stop25h 18mSouthern / Mokulele
Deal found 9/10$162

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 September 11, 2025.
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

Dulles Intl

Fly to

Pittsburgh

Route

Depart

Return

Price

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Fri 10/24

12:55 pm-5:07 pm

1 stop4h 12m

Pittsburgh

Fri 10/31

7:40 am-11:20 am

1 stop3h 40m

$157

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Sat 10/11

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Mon 10/13

11:55 am-4:13 pm

1 stop4h 18m

$159

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Fri 10/17

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Sun 10/19

2:55 pm-11:38 am

1 stop20h 43m

$162

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Thu 10/16

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Sun 10/19

2:55 pm-7:03 am

1 stop16h 08m

$162

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Thu 10/23

12:55 pm-5:07 pm

1 stop4h 12m

Pittsburgh

Sun 10/26

2:55 pm-7:03 am

1 stop16h 08m

$162

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Thu 10/2

12:55 pm-5:07 pm

1 stop4h 12m

Pittsburgh

Sat 10/4

2:55 pm-11:35 am

1 stop20h 40m

$162

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Thu 10/16

8:25 am-9:26 am

Nonstop1h 01m

Pittsburgh

Sat 10/18

6:15 am-7:29 am

Nonstop1h 14m

$166

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Sat 10/18

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Sun 10/19

2:55 pm-7:03 am

1 stop16h 08m

$167

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Thu 10/9

1:00 pm-2:03 pm

Nonstop1h 03m

Pittsburgh

Thu 10/16

8:08 pm-9:10 pm

Nonstop1h 02m

$175

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Sat 10/25

5:45 pm-6:48 pm

Nonstop1h 03m

Pittsburgh

Sun 10/26

8:10 pm-9:16 pm

Nonstop1h 06m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 24 results
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The best insider tips for Washington, D.C. Dulles Intl Airport to Pittsburgh flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Pittsburgh trip
Airports
IAD

Afternoon and evening check-in areas at IAD can be crowded. Arrive early to navigate the busy terminals efficiently.

Read more about IADby Ramsey Qubein
PIT

For budget-friendly travel from PIT, use the 28X Airport Flyer bus to reach downtown Pittsburgh in about 45 minutes.

Read more about PITby John Walton
Our travel experts
John Walton

John Walton

Expert on PIT

John Walton

John Walton

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

Ramsey Qubein

Ramsey Qubein

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

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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pittsburgh (average of $262). Flying from Washington, D.C. Dulles Intl Airport to Pittsburgh in November is currently the most expensive (average of $333). 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 September 11, 2025.

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 17% on the cost of your flight, compared to a flight at noon.

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 September 7, 2025.

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

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 September 11, 2025.
See what other customers who have flown with United Airlines 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
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 9 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 12m. Southern / Mokulele provides one of the quickest options available for as low as $157. Airlines will cover a distance of 183 mi.

  • 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 $112. Another airline that can offer you cheap pricing is United Airlines. Southern / Mokulele is priced at 52% 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 (93%), Ethiopian Air (92%), CommutAir (90%).

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

    On average you can expect to pay $210 for a flight from Washington, D.C. Dulles Intl Airport to Pittsburgh. The cheapest flight overall is $118 while the most popular route, (Washington, D.C. Dulles Intl - Pittsburgh) is currently priced at $107.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pittsburgh (average of $262). Flying from Washington, D.C. Dulles Intl Airport to Pittsburgh in November is currently the most expensive (average of $333). 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
Mars
Steubenville
Monroeville
Washington
Wexford
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Alternative routes for Dulles Intl to Pittsburgh

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Williamsport flights

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$112Average$147FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$263FlexibilityNo cancel feeOn-time69%

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