Cheap Flights From Pittsburgh Intl. (PIT) To Washington Dulles Intl. (IAD)

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Cheapest Flights from Pittsburgh (PIT) to Washington (IAD)

The cheapest flights to Washington Dulles Intl. found within the past 7 days were CA $338 round trip and CA $111 one way. Prices and availability subject to change. Additional terms may apply.

Fri, Mar 20 - Sun, Mar 22
PIT
Pittsburgh
IAD
Washington
CA $338 Roundtrip, found 1 day ago
CA $338
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Fri, Mar 20 from Pittsburgh to Washington, returning Sun, Mar 22, priced at CA $338 found 1 day ago
Fri, Mar 20 - Sun, Mar 22
PIT
Pittsburgh
IAD
Washington
CA $387 Roundtrip, found 1 day ago
CA $387
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Fri, Mar 20 from Pittsburgh to Washington, returning Sun, Mar 22, priced at CA $387 found 1 day ago
Fri, Mar 20 - Sun, Mar 22
PIT
Pittsburgh
IAD
Washington
CA $438 Roundtrip, found 1 day ago
CA $438
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Fri, Mar 20 from Pittsburgh to Washington, returning Sun, Mar 22, priced at CA $438 found 1 day ago
Fri, Mar 20 - Sun, Mar 22
PIT
Pittsburgh
IAD
Washington
CA $487 Roundtrip, found 1 day ago
CA $487
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Fri, Mar 20 from Pittsburgh to Washington, returning Sun, Mar 22, priced at CA $487 found 1 day ago
Fri, Mar 20 - Sun, Mar 22
PIT
Pittsburgh
IAD
Washington
CA $965 Roundtrip, found 1 day ago
CA $965
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Fri, Mar 20 from Pittsburgh to Washington, returning Sun, Mar 22, priced at CA $965 found 1 day ago
Fri, Mar 20 - Sun, Mar 22
PIT
Pittsburgh
IAD
Washington
CA $1,014 Roundtrip, found 1 day ago
CA $1,014
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Fri, Mar 20 from Pittsburgh to Washington, returning Sun, Mar 22, priced at CA $1,014 found 1 day ago
Fri, Mar 20 - Sun, Mar 22
PIT
Pittsburgh
IAD
Washington
CA $1,072 Roundtrip, found 1 day ago
CA $1,072
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Fri, Mar 20 from Pittsburgh to Washington, returning Sun, Mar 22, priced at CA $1,072 found 1 day ago
Fri, Mar 20 - Sun, Mar 22
PIT
Pittsburgh
IAD
Washington
CA $1,111 Roundtrip, found 1 day ago
CA $1,111
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Fri, Mar 20 from Pittsburgh to Washington, returning Sun, Mar 22, priced at CA $1,111 found 1 day ago

Frequently asked questions

Are there direct flights from PIT to Washington Dulles Intl. Airport (IAD)?
For the shortest trip between Pittsburgh and Sterling, take a look at United Airlines. This airline operates direct flights from Pittsburgh Intl. Airport (PIT) to Dulles Intl. Airport.
What airlines fly from Pittsburgh Intl. Airport (PIT) to Dulles Intl. Airport?
Eager to fly directly from Pittsburgh Airport to Dulles Intl. Airport? No sweat. United Airlines (UA) offers 104 flights per month and is a popular option with many savvy travelers.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.