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Cheap flights from Pittsburgh to Washington, D.C. from $41

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Washington, D.C. departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Southern / Mokulele Logo
11:55 am - 4:13 pm
PIT
-
IAD
4h 18m
1 stop
Southern / Mokulele Logo
8:25 am - 2:22 pm
IAD
-
PIT
5h 57m
1 stop
$168Southern / Mokulele
Wed, Jul 1 - Mon, Jul 6
Southern / Mokulele Logo
7:40 am - 11:23 am
PIT
-
IAD
3h 43m
1 stop
Southern / Mokulele Logo
8:25 am - 2:22 pm
IAD
-
PIT
5h 57m
1 stop
$169Southern / Mokulele
Mon, Apr 13 - Fri, Apr 17
Multiple Airlines Logo
6:25 am - 11:09 pm
PIT
-
IAD
16h 44m
2 stops
Multiple Airlines Logo
8:25 am - 2:22 pm
IAD
-
PIT
5h 57m
1 stop
$171Multiple Airlines
Fri, May 8 - Mon, May 11
Multiple Airlines Logo
8:15 am - 11:21 am
PIT
-
IAD
3h 06m
1 stop
Multiple Airlines Logo
7:43 pm - 10:43 pm
IAD
-
PIT
27h 00m
2 stops
$176Multiple Airlines
Thu, Apr 30 - Mon, May 4
Multiple Airlines Logo
8:15 am - 11:21 am
PIT
-
IAD
3h 06m
1 stop
Multiple Airlines Logo
10:51 am - 11:59 pm
IAD
-
PIT
13h 08m
2 stops
$177Multiple Airlines
Fri, Apr 24 - Sat, Apr 25
Southern / Mokulele Logo
2:55 pm - 11:38 am
PIT
-
IAD
20h 43m
1 stop
Southern / Mokulele Logo
8:25 am - 2:22 pm
IAD
-
PIT
5h 57m
1 stop
$178Southern / Mokulele
Sat, Apr 25 - Sat, May 2
Southern / Mokulele Logo
5:20 pm - 11:21 am
PIT
-
IAD
18h 01m
1 stop
Southern / Mokulele Logo
5:40 pm - 9:28 pm
IAD
-
PIT
3h 48m
1 stop
$182Southern / Mokulele
Sun, May 17 - Wed, May 20
Southern / Mokulele Logo
8:15 am - 11:21 am
PIT
-
IAD
3h 06m
1 stop
Southern / Mokulele Logo
12:50 pm - 5:07 pm
IAD
-
PIT
4h 17m
1 stop
$183Southern / Mokulele
Sat, Jul 4 - Sun, Jul 5
Multiple Airlines Logo
8:15 pm - 4:21 pm
PIT
-
IAD
20h 06m
2 stops
Multiple Airlines Logo
12:50 pm - 5:07 pm
IAD
-
PIT
4h 17m
1 stop
$184Multiple Airlines
Wed, May 20 - Sun, May 24
Southern / Mokulele Logo
7:40 am - 11:23 am
PIT
-
IAD
3h 43m
1 stop
Southern / Mokulele Logo
8:25 am - 2:22 pm
IAD
-
PIT
5h 57m
1 stop
$186Southern / Mokulele
Fri, May 8 - Fri, May 15

Southern / Mokulele flights from Pittsburgh to Washington, D.C. Dulles Intl Airport

Our best Southern / Mokulele deals on Pittsburgh to Washington, D.C. Dulles Intl Airport flight tickets
Southern / Mokulele
Jul 1
PIT11:55 amPittsburgh
4h 18m
1 stop
IAD4:13 pmWashington, D.C. Dulles Intl
Jul 6
IAD8:25 amWashington, D.C. Dulles Intl
5h 57m
1 stop
PIT2:22 pmPittsburgh
$168
Southern / Mokulele
Apr 13
PIT7:40 amPittsburgh
3h 43m
1 stop
IAD11:23 amWashington, D.C. Dulles Intl
Apr 17
IAD8:25 amWashington, D.C. Dulles Intl
5h 57m
1 stop
PIT2:22 pmPittsburgh
$169
Southern / Mokulele
Apr 25
PIT2:55 pmPittsburgh
20h 43m
1 stop
IAD11:38 amWashington, D.C. Dulles Intl
May 2
IAD8:25 amWashington, D.C. Dulles Intl
5h 57m
1 stop
PIT2:22 pmPittsburgh
$178

United Airlines flights from Pittsburgh to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Pittsburgh to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Apr 22
PIT3:00 pmPittsburgh
1h 06m
IAD4:06 pmWashington, D.C. Dulles Intl
Apr 25
IAD10:12 pmWashington, D.C. Dulles Intl
1h 08m
PIT11:20 pmPittsburgh
$216
United Airlines
Apr 25
PIT7:59 pmPittsburgh
1h 13m
IAD9:12 pmWashington, D.C. Dulles Intl
Apr 27
IAD8:33 amWashington, D.C. Dulles Intl
1h 01m
PIT9:34 amPittsburgh
$239
United Airlines
Apr 7
PIT7:59 pmPittsburgh
1h 13m
IAD9:12 pmWashington, D.C. Dulles Intl
Apr 12
IAD8:33 amWashington, D.C. Dulles Intl
1h 01m
PIT9:34 amPittsburgh
$254

momondo Fare Finder

 
Customize your flight search to find flights from Pittsburgh to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 26, 2026.
Use the filters below to find and compare flights from Pittsburgh to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Wed 7/1

11:55 am-4:13 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Mon 7/6

8:25 am-2:22 pm

1 stop5h 57m

$168

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Mon 4/13

7:40 am-11:23 am

1 stop3h 43m

Washington, D.C. Dulles Intl

Fri 4/17

8:25 am-2:22 pm

1 stop5h 57m

$169

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 5/8

6:25 am-11:09 pm

2 stops16h 44m

Washington, D.C. Dulles Intl

Mon 5/11

8:25 am-2:22 pm

1 stop5h 57m

$171

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Thu 4/30

8:15 am-11:21 am

1 stop3h 06m

Washington, D.C. Dulles Intl

Mon 5/4

7:43 pm-10:43 pm

2 stops27h 00m

$176

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 4/24

8:15 am-11:21 am

1 stop3h 06m

Washington, D.C. Dulles Intl

Sat 4/25

10:51 am-11:59 pm

2 stops13h 08m

$177

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Sat 4/25

2:55 pm-11:38 am

1 stop20h 43m

Washington, D.C. Dulles Intl

Sat 5/2

8:25 am-2:22 pm

1 stop5h 57m

$178

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Sun 5/17

5:20 pm-11:21 am

1 stop18h 01m

Washington, D.C. Dulles Intl

Wed 5/20

5:40 pm-9:28 pm

1 stop3h 48m

$182
Quickest round-trip

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Sat 7/4

8:15 am-11:21 am

1 stop3h 06m

Washington, D.C. Dulles Intl

Sun 7/5

12:50 pm-5:07 pm

1 stop4h 17m

$183

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Wed 5/20

8:15 pm-4:21 pm

2 stops20h 06m

Washington, D.C. Dulles Intl

Sun 5/24

12:50 pm-5:07 pm

1 stop4h 17m

$184

PittsburghWashington, D.C.

PIT - IAD

PITIAD

Pittsburgh

Fri 5/8

7:40 am-11:23 am

1 stop3h 43m

Washington, D.C. Dulles Intl

Fri 5/15

8:25 am-2:22 pm

1 stop5h 57m

$186

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Pittsburgh to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Pittsburgh and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, August is the cheapest month to fly from Pittsburgh to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $174. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $193.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $695. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Pittsburgh to Washington, D.C. Dulles Intl Airport for around $805.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Pittsburgh in the morning is the least expensive time of day to depart. momondo users have found prices as low as $530 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $891 on average. Flights to Washington, D.C. Dulles Intl Airport from Pittsburgh at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Pittsburgh to Washington, D.C. Dulles Intl flight route?

Fly from Pittsburgh to Washington, D.C. Dulles Intl for the best Pittsburgh - Washington, D.C. Dulles Intl flight prices

What cabin class options are available on Pittsburgh to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Pittsburgh to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Pittsburgh to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Pittsburgh to Washington, D.C. Dulles Intl Airport.

How have Pittsburgh to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of March 2026, prices for Pittsburgh to Washington, D.C. Dulles Intl Airport flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from Pittsburgh to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Pittsburgh to Washington, D.C. Dulles Intl Airport (PIT to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to Washington, D.C. Dulles Intl Airport

Best Price Found

$195

Fastest flight time

1h 06m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Pittsburgh in the past 72 hours is $195. The best round-trip flight deal from Pittsburgh to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $422.
The fastest flight from Pittsburgh to Washington, D.C. Dulles Intl Airport takes 1h 06m
Direct flights go from Pittsburgh to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Pittsburgh to Washington, D.C. Dulles Intl by plane?

    There are 170.0 mi between Pittsburgh and Washington, D.C. Dulles Intl. By plane, this route typically takes 1h 06m.

  • When did momondo last update prices for flights from Pittsburgh Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Pittsburgh Airport to Washington, D.C. Dulles Intl Airport were last updated today.

  • How many operators does momondo search for flights from Pittsburgh Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Pittsburgh Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pittsburgh Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Pittsburgh to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Pittsburgh to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Pittsburgh to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Pittsburgh to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Southern / MokulelePriceFrom $98Free CancellationRating
0.0
0 reviews
Search Southern / Mokulele flights
United AirlinesPriceFrom $179Free CancellationRating
7.4
9,488 reviews
Search United Airlines flights

  • United Airlines Flights From Pittsburgh to Washington, D.C. Dulles Intl Airport

    United Airlines is one of the most popular airlines flying from Pittsburgh to Washington, D.C. Dulles Intl Airport, operating 10 flights/week on average for this route. A good United Airlines flight deal for Pittsburgh to Washington, D.C. Dulles Intl Airport starts from $179 round-trip, up to an average price of $261. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Sterling
Linthicum Heights
Springfield
Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Pittsburgh to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Pittsburgh.

Can I find flights from Pittsburgh to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Pittsburgh with this policy.

How can momondo help me find flights from Pittsburgh to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pittsburgh to Washington, D.C..

I’m not ready to book a flight from Pittsburgh to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Pittsburgh. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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