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 | $179 (United Airlines) |
One-way from | $84 (Expedia) |
Popular in | September |
Cheapest in | October |
Average price | $269 |
Good round-trip deal | $389 or less |
Good one-way deal | $176 or less |
Fly from
Fly to
Route
Depart
Return
Price
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
sob. 12/6
8:05 pm-9:24 pm
Nonstop1h 19m
Washington, D.C. Dulles Intl
ndz. 12/7
12:55 pm-2:02 pm
Nonstop1h 07m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
czw. 2/19
8:06 pm-9:14 pm
Nonstop1h 08m
Washington, D.C. Dulles Intl
ndz. 2/22
8:15 am-9:20 am
Nonstop1h 05m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
sob. 12/6
10:30 am-11:32 am
Nonstop1h 02m
Washington, D.C. Dulles Intl
pon. 12/8
12:55 pm-2:02 pm
Nonstop1h 07m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
czw. 12/4
8:10 pm-9:17 pm
Nonstop1h 07m
Washington, D.C. Dulles Intl
czw. 12/11
8:25 am-9:28 am
Nonstop1h 03m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
sob. 12/6
8:15 am-11:21 am
1 stop3h 06m
Washington, D.C. Dulles Intl
ndz. 12/7
12:50 pm-5:07 pm
1 stop4h 17m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
śr. 11/19
7:40 am-11:23 am
1 stop3h 43m
Washington, D.C. Dulles Intl
sob. 11/29
1:05 pm-7:45 am
1 stop18h 40m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
śr. 11/19
7:40 am-11:23 am
1 stop3h 43m
Washington, D.C. Dulles Intl
śr. 11/26
1:05 pm-4:50 pm
1 stop3h 45m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
pon. 11/24
7:40 am-11:23 am
1 stop3h 43m
Washington, D.C. Dulles Intl
sob. 11/29
1:05 pm-7:45 am
1 stop18h 40m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
wt. 11/25
8:15 am-11:21 am
1 stop3h 06m
Washington, D.C. Dulles Intl
śr. 12/3
5:40 pm-9:28 pm
1 stop3h 48m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
ndz. 11/30
7:40 am-11:23 am
1 stop3h 43m
Washington, D.C. Dulles Intl
pon. 12/1
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 |
Currently, February is the cheapest month in which you can book a flight from Pittsburgh to Washington, D.C. Dulles Intl Airport (average of $89). Flying from Pittsburgh to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $174). 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 44% 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.
Food
Comfort
Boarding
Overall
Crew
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Comfort
Boarding
Overall
Crew
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Comfort
Boarding
Overall
Crew
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$105 | Average$145 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$271 | FlexibilityNo cancel fee | On-time69% |