For early morning flights, arrive 3 hours ahead due to busy security lines. Check the airport's live security time tracker for shorter wait times.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $126 (Trip.com) |
One-way from | $63 (Trip.com) |
Popular in | September |
Cheapest in | August |
Average price | $254 |
Good round-trip deal | $408 or less |
Good one-way deal | $173 or less |
Fly from
Fly to
Route
Depart
Return
Price
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Thu 1/22
7:40 am-11:26 am
1 stop3h 46m
Washington, D.C. Dulles Intl
Thu 1/22
5:40 pm-9:29 pm
1 stop3h 49m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 1/9
7:40 am-11:26 am
1 stop3h 46m
Washington, D.C. Dulles Intl
Fri 1/16
12:50 pm-5:07 pm
1 stop4h 17m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Tue 1/6
11:55 am-4:15 pm
1 stop4h 20m
Washington, D.C. Dulles Intl
Tue 1/27
12:50 pm-5:07 pm
1 stop4h 17m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Thu 2/19
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Sun 2/22
5:40 pm-9:28 pm
1 stop3h 48m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Mon 1/5
11:55 am-4:15 pm
1 stop4h 20m
Washington, D.C. Dulles Intl
Tue 1/6
5:40 pm-9:29 pm
1 stop3h 49m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 1/9
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Sat 1/24
8:25 am-2:22 pm
1 stop5h 57m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Thu 1/8
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Wed 1/28
12:50 pm-5:07 pm
1 stop4h 17m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Tue 2/3
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Wed 2/4
12:50 pm-5:07 pm
1 stop4h 17m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 1/9
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Mon 1/26
8:25 am-2:22 pm
1 stop5h 57m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Thu 1/8
7:40 am-11:23 am
1 stop3h 43m
Washington, D.C. Dulles Intl
Thu 1/29
12:50 pm-5:07 pm
1 stop4h 17m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Currently, February is the cheapest month in which you can book a flight from Pittsburgh to Washington, D.C. Dulles Intl Airport (average of $92). Flying from Pittsburgh to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $224). 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.
It’s typically best to fly out from Pittsburgh to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 40% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Pittsburgh to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Kevin,Dec 2025
BOS - EWR
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Kevin,Dec 2025
BOS - EWR
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Kevin,Dec 2025
BOS - EWR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$148 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$273 | FlexibilityNo cancel fee | On-time69% |