For early morning flights, arrive 3 hours ahead due to busy security lines. Check the airport's live security time tracker for updates.
Round-trip from | $139 (Expedia) |
---|---|
One-way from | $49 (Trip.com) |
Popular in | September |
Cheapest in | April |
Average price | $249 |
Good round-trip deal | $226 or less |
Good one-way deal | $114 or less |
Fly from
Fly to
Route
Depart
Return
Price
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 10/31
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Mon 11/3
8:25 am-2:22 pm
1 stop5h 57m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 10/3
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Sat 10/4
8:25 am-2:22 pm
1 stop5h 57m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 9/26
7:40 am-11:20 am
1 stop3h 40m
Washington, D.C. Dulles Intl
Mon 9/29
12:55 pm-5:07 pm
1 stop4h 12m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Thu 10/9
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Sun 10/12
12:55 pm-5:07 pm
1 stop4h 12m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 10/24
7:40 am-11:20 am
1 stop3h 40m
Washington, D.C. Dulles Intl
Sun 10/26
12:55 pm-5:07 pm
1 stop4h 12m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Sat 10/11
2:55 pm-11:35 am
1 stop20h 40m
Washington, D.C. Dulles Intl
Tue 10/14
8:25 am-2:22 pm
1 stop5h 57m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 10/10
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Sun 10/12
12:55 pm-7:12 am
1 stop18h 17m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 10/17
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Thu 10/23
12:55 pm-5:07 pm
1 stop4h 12m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Fri 10/31
11:55 am-4:13 pm
1 stop4h 18m
Washington, D.C. Dulles Intl
Sun 11/2
5:40 pm-9:28 pm
1 stop3h 48m
PittsburghWashington, D.C.
PIT - IAD
PITIAD
Pittsburgh
Wed 10/22
8:08 pm-9:10 pm
Nonstop1h 02m
Washington, D.C. Dulles Intl
Thu 10/23
8:25 am-9:26 am
Nonstop1h 01m
The best time to book flights from Pittsburgh to Washington, D.C. is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, August is the cheapest month in which you can book a flight from Pittsburgh to Washington, D.C. (average of $292). Flying from Pittsburgh to Washington, D.C. in April is currently the most expensive (average of $337). 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.
Unlike at noon, when flights are generally more expensive, you can save up to 58% on flights from Pittsburgh to Washington, D.C. by exploring options for tickets in the morning.
Travelers seeking maximum savings on their Pittsburgh to Washington, D.C. flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from PIT to WAS are scheduled on a Wednesday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
Lancaster (LNS) – chosen by Cheapflights users on 50% of 1-stop itineraries from Pittsburgh to Washington, D.C. on Cheapflights.
Lancaster (LNS) is the most affordable 1-stop option, with an average round-trip price of $103.
Flights via Lancaster (LNS) have the shortest average one-way travel time for 1-stop routes: 3h 46m.
Flights via Lancaster (LNS) offer the fastest connection on this route, with an average layover time of 0h 56m.
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Mike,Aug 2025
OKC - AUS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$108 | Average$142 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$179 | Average$250 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$179 | Average$275 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$209 | Average$325 | FlexibilityNo cancel fee | On-time63% |