$74 Find Cheap Flights from Pittsburgh to Washington Dulles Airport - Compare and Save

Among airlines operating Pittsburgh to Washington, D.C. Dulles Intl Airport flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Pittsburgh and Washington, D.C. Dulles Intl Airport.

Flights from Pittsburgh to Washington, D.C. Dulles Intl Airport usually depart from Pittsburgh (PIT) and arrive at Washington, D.C. Dulles Intl (IAD).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Pittsburgh to Washington, D.C. Dulles Intl Airport:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $130 round-trip via Bradford (BFD), compared to $294 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Airbus A319 variants.

One-stop flights from Pittsburgh to Washington, D.C. Dulles Intl Airport most commonly connect through:

• DuBois Jefferson County (DUJ) - 54% of one-stop connections
• Lancaster (LNS) - 36% of one-stop connections
• Bradford (BFD) - 8% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 3% of one-stop connections

DuBois Jefferson County (DUJ) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 59% on the Pittsburgh to Washington, D.C. Dulles Intl Airport route. Friday is the cheapest departure day at $187 round-trip on average, while Monday is the most expensive at $450, a difference of $263. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Pittsburgh to Washington, D.C. Dulles Intl Airport flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 0%.

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

These are the earliest and latest flight times available from Pittsburgh to Washington, D.C. Dulles Intl Airport:

• Earliest: departs at 6:10 am and lands at 7:22 am
• Latest: departs at 8:04 pm and lands at 9:16 pm.

The flight takes about 1h 12m.

Last-minute fares on this route - booked within 2 weeks of departure - run 65% above the route average of $252. Book 14 weeks before departure for the lowest fares.

A nonstop flight from Pittsburgh to Washington, D.C. Dulles Intl Airport takes 1h 12m, covering 183 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $130 to $1,023. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Pittsburgh to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $126, which is 18% below the typical average for this route.

Flying via Lancaster (LNS) gives the shortest average 1-stop total travel time at 3h 45m, compared with 3h 48m via Detroit Metropolitan Wayne County (DTW) and 4h 23m via DuBois Jefferson County (DUJ).

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
• Dollar
• Budget
• Hertz
• Sixt
• Thrifty

Round-trip flights from Pittsburgh to Washington, D.C. Dulles Intl Airport range from $178 to $366, with an average of $252 over the past 12 months. Anything below $178 counts as a good deal.

JetBlue is the only airline on the Pittsburgh to Washington, D.C. Dulles Intl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.