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 | $83 (Kiwi.com) |
Popular in | September |
Cheapest in | August |
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
Wed 12/17
10:30 am-11:32 am
Nonstop1h 02m
Washington, D.C. Dulles Intl
Wed 12/24
10:05 pm-11:14 pm
Nonstop1h 09m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Wed 1/28
10:35 am-11:45 am
Nonstop1h 10m
Washington, D.C. Dulles Intl
Sat 1/31
10:05 pm-11:13 pm
Nonstop1h 08m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Thu 2/5
6:10 am-7:32 am
Nonstop1h 22m
Washington, D.C. Dulles Intl
Tue 2/10
10:20 pm-11:28 pm
Nonstop1h 08m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 3/6
7:50 pm-8:57 pm
Nonstop1h 07m
Washington, D.C. Dulles Intl
Sat 3/7
10:05 pm-11:10 pm
Nonstop1h 05m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Mon 12/22
7:55 pm-9:13 pm
Nonstop1h 18m
Washington, D.C. Dulles Intl
Mon 12/29
8:32 am-9:44 am
Nonstop1h 12m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 12/12
10:30 am-11:32 am
Nonstop1h 02m
Washington, D.C. Dulles Intl
Sun 12/14
10:22 pm-11:29 pm
Nonstop1h 07m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 12/5
7:40 am-11:23 am
1 stop3h 43m
Washington, D.C. Dulles Intl
Sun 12/7
12:50 pm-5:07 pm
1 stop4h 17m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Wed 12/10
8:10 pm-9:17 pm
Nonstop1h 07m
Washington, D.C. Dulles Intl
Wed 12/17
5:45 pm-6:49 pm
Nonstop1h 04m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 2/20
7:05 am-11:43 am
1 stop4h 38m
Washington, D.C. Dulles Intl
Sun 2/22
6:00 am-9:44 am
1 stop3h 44m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Thu 12/4
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Mon 12/8
6:58 pm-4:10 pm
2 stops21h 12m
| 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
Boarding
Overall
Comfort
Crew
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Boarding
Overall
Comfort
Crew
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Boarding
Overall
Comfort
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% |