$70 Cheap United flights Washington (IAD) to Pittsburgh (PIT)

View $70 flight on Sat, Dec 6, 2025Opens in a new window

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$70 Cheap United flights Washington (IAD) to Pittsburgh (PIT)

Prices were available within the past 7 days and start at $70 for one-way flights and $163 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Oct 1 - Sun, Oct 5
IAD
Washington
PIT
Pittsburgh
$163 Roundtrip, found 4 days ago
$163
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 1 from Washington to Pittsburgh, returning Sun, Oct 5, priced at $163 found 4 days ago
United
Tue, Sep 9 - Wed, Sep 10
IAD
Washington
PIT
Pittsburgh
$168 Roundtrip, found 4 hours ago
$168
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Sep 9 from Washington to Pittsburgh, returning Wed, Sep 10, priced at $168 found 4 hours ago
United
Mon, Sep 15 - Wed, Sep 17
IAD
Washington
PIT
Pittsburgh
$173 Roundtrip, found 2 days ago
$173
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 15 from Washington to Pittsburgh, returning Wed, Sep 17, priced at $173 found 2 days ago
United
Fri, Mar 20 - Mon, Mar 23
IAD
Washington
PIT
Pittsburgh
$189 Roundtrip, found 3 days ago
$189
Roundtrip
found 3 days ago
Select United flight, departing Fri, Mar 20 from Washington to Pittsburgh, returning Mon, Mar 23, priced at $189 found 3 days ago
United
Wed, Oct 22 - Sun, Oct 26
IAD
Washington
PIT
Pittsburgh
$192 Roundtrip, found 6 days ago
$192
Roundtrip
found 6 days ago
Select United flight, departing Wed, Oct 22 from Washington to Pittsburgh, returning Sun, Oct 26, priced at $192 found 6 days ago
United
Fri, Dec 5 - Sun, Dec 7
IAD
Washington
PIT
Pittsburgh
$194 Roundtrip, found 2 hours ago
$194
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Dec 5 from Washington to Pittsburgh, returning Sun, Dec 7, priced at $194 found 2 hours ago
Flights from Washington (IAD) to Pittsburgh (PIT)
Origin airport
Washington Dulles Intl.
Destination airport
Pittsburgh Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southern Airways Express, United
Popular airline
Southern Airways Express
Distance
183 mi
Average flight time
1 hour 5 mins

Frequently asked questions

How much is a United Airlines flight from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT)?
You'll discover budget-friendly return United Airlines flights from $163 from IAD to PIT by sorting your results from "Price (lowest to highest)" on Expedia. Or look for options from $70 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAD to PIT with United Airlines?
Browse for one-way or round-trip flights to Pittsburgh in January or February. You could find cheaper fares with United Airlines during these off-peak months.
What is the cheapest time to book flights from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT) with United Airlines?
Begin your search one to three months ahead of your departure date to score cheap fares on United Airlines flights from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT)?
United Airlines offers direct flights from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT), with 18 weekly departures. Simply apply the "Nonstop" and "Airline" filters during your search on Expedia to find all direct United Airlines flights to PIT.
How long does it take to fly from IAD to PIT with United Airlines?
It takes around 1h 10m to fly nonstop from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT) with United Airlines.
Which day of the week has the most United Airlines flights from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT)?
United Airlines operates the most flights from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT) on Tuesday. With up to 3 daily departures, you'll get the most flexibility and choice on this day.
What is the earliest United Airlines flight from IAD to PIT?
Departing IAD at 8:30AM UTC-5, the earliest United Airlines flight to PIT arrives at 9:45AM UTC-5. Flying earlier in the day means you're less likely to encounter delays.* Don't like early starts? The last United Airlines flight from IAD to PIT departs at 5:55PM UTC-5 and touches down at 7:04PM UTC-5.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Pittsburgh?
United Airlines flights from Washington Dulles Intl. Airport (IAD) to Pittsburgh come in to land at Pittsburgh Intl. Airport (PIT) and Morgantown Municipal Airport (MGW). The primary Pittsburgh hub serviced by this carrier is PIT. It's worth exploring flights landing at nearby airports on Expedia as you may find lower fares.
Why fly with United Airlines from IAD to PIT?
Travel from IAD to PIT with United Airlines and you'll enjoy a range of benefits starting with a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT)?
Most likely, you'll travel on an Embraer 175 for your United Airlines flight from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT). However, you could end up on an alternative aircraft if there are operational changes.
Can I change or cancel my United Airlines flight from Washington Dulles Intl. Airport (IAD) to Pittsburgh Intl. Airport (PIT)?
It's usually possible to change or cancel your flight, although additional fees may apply if you booked more than 24 hours ago. Prefer to keep your options open? Use Expedia's "Changes included" or "No cancel fee" filter to find flights that won't charge extra if you have to adjust your plans. To update your itinerary, head to "Trips," select your flight and click on "Manage Booking" for further information.

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