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$69+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PIT
May 27 — Jun 31
Wed 5/27
Wed 6/3
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 April 27, 2026.

This Trip.com deal was found by Cheapflights users on 4/25. 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.
Mon 4/2712:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Tue 4/2811:55 am
PIT
-
IAD
1 stop4h 18m
Southern / Mokulele
Deal found 4/25$148
This Trip.com deal was found by Cheapflights users on 4/26. 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 5/158:25 am
IAD
-
PIT
1 stop5h 57m
Southern / Mokulele
Sat 5/168:15 am
PIT
-
IAD
1 stop3h 06m
Southern / Mokulele
Deal found 4/26$149
This Trip.com deal was found by Cheapflights users on 4/24. 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 5/85:40 pm
IAD
-
PIT
1 stop3h 48m
Southern / Mokulele
Sat 5/98:15 am
PIT
-
IAD
1 stop3h 06m
Southern / Mokulele
Deal found 4/24$150
This Flightnetwork deal was found by Cheapflights users on 4/24. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Mon 6/1511:55 am
PIT
-
IAD
1 stop4h 18m
Southern / Mokulele
Deal found 4/24$151
This Flightnetwork deal was found by Cheapflights users on 4/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:25 am
IAD
-
PIT
1 stop5h 57m
Southern / Mokulele
Sat 6/138:15 am
PIT
-
IAD
1 stop3h 06m
Southern / Mokulele
Deal found 4/22$153
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1011:05 am
IAD
-
PIT
1 stop4h 35m
Delta
Wed 6/175:46 pm
PIT
-
IAD
1 stop5h 28m
Delta
Deal found 4/26$157
This Trip.com deal was found by Cheapflights users on 4/25. 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 5/18:25 am
IAD
-
PIT
1 stop5h 57m
Southern / Mokulele
Mon 5/47:40 am
PIT
-
IAD
1 stop3h 43m
Southern / Mokulele
Deal found 4/25$160
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Mon 6/812:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Tue 6/911:55 am
PIT
-
IAD
1 stop4h 18m
Southern / Mokulele
Deal found 4/22$168
This Southern / Mokulele deal was found by Cheapflights users on 4/26. 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 6/98:25 am
IAD
-
PIT
1 stop5h 57m
Southern / Mokulele
Wed 7/1511:55 am
PIT
-
IAD
1 stop4h 18m
Southern / Mokulele
Deal found 4/26$169
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Sun 6/75:20 pm
PIT
-
IAD
1 stop18h 01m
Southern / Mokulele
Deal found 4/23$171
This CheapOair deal was found by Cheapflights users on 4/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:25 am
IAD
-
PIT
1 stop5h 57m
Southern / Mokulele
Sat 6/68:15 am
PIT
-
IAD
1 stop3h 06m
Southern / Mokulele
Deal found 4/22$172
This Trip.com deal was found by Cheapflights users on 4/26. 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 5/18:25 am
IAD
-
PIT
1 stop5h 57m
Southern / Mokulele
Sun 5/35:20 pm
PIT
-
IAD
1 stop18h 01m
Southern / Mokulele
Deal found 4/26$173

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 April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$148
(Trip.com)

One-way from

$69
(United Airlines)

Popular in

January

Cheapest in

February

Average price

$290

Good round-trip deal

$275 or less

Good one-way deal

$120 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. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 27, 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

Fri 5/15

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Fri 5/22

7:40 am-11:23 am

1 stop3h 43m

$169

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Mon 5/11

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Mon 5/18

7:40 am-11:23 am

1 stop3h 43m

$169

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Tue 5/12

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Wed 5/13

7:40 am-11:23 am

1 stop3h 43m

$169

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Thu 7/23

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Sun 7/26

5:20 pm-11:21 am

1 stop18h 01m

$172

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Fri 5/29

10:30 pm-11:36 pm

Nonstop1h 06m

Pittsburgh

Tue 6/2

10:30 am-11:42 am

Nonstop1h 12m

$188

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Sat 5/2

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Sun 5/3

2:55 pm-7:03 am

1 stop16h 08m

$198

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Fri 6/19

12:56 pm-2:03 pm

Nonstop1h 07m

Pittsburgh

Sun 6/21

6:10 am-7:22 am

Nonstop1h 12m

$239

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Sat 7/18

8:30 am-9:40 am

Nonstop1h 10m

Pittsburgh

Mon 7/20

3:06 pm-4:12 pm

Nonstop1h 06m

$239

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Fri 5/15

12:52 pm-2:02 pm

Nonstop1h 10m

Pittsburgh

Sun 5/17

10:35 am-11:41 am

Nonstop1h 06m

$254

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Sat 5/16

6:00 am-11:41 am

1 stop5h 41m

Pittsburgh

Tue 5/19

7:29 pm-10:56 pm

1 stop3h 27m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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
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 January is currently the most expensive (average of $338). 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 April 27, 2026.

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 18% on the cost of your flight, compared to a flight in the afternoon.

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

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 April 27, 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
9,668 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,668 reviews
United Airlines
7.4
Good
9,668 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Southern / Mokulele
6.5
Okay
27 reviews
United Airlines
7.4
Good
9,668 reviews

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 1h 06m. Southern / Mokulele provides one of the quickest options available for as low as $188. 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 $113. Another airline that can offer you cheap pricing is United Airlines. Southern / Mokulele is priced at 55% 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%), ITA Airways (100%), Mesa Airlines (100%).

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

    On average you can expect to pay $293 for a flight from Washington, D.C. Dulles Intl Airport to Pittsburgh. The cheapest flight overall is $92 while the most popular route, (Washington, D.C. Dulles Intl - Pittsburgh) is currently priced at $138.

  • 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 January is currently the most expensive (average of $338). 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
Chester
Steubenville
Washington
Monroeville
Wexford
Belle Vernon

Browse thousands of different options on Cheapflights for your next trip

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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 April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$113Average$157FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$175Average$275FlexibilityNo cancel feeOn-time69%

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