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Cheap flights from Pittsburgh to Washington, D.C. Dulles Intl Airport from $50

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. Dulles Intl Airport departing on 5/1. 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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Find the cheapest flights from Pittsburgh to Washington, D.C.

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Pittsburgh to Washington, D.C..
Southern / Mokulele Logo
7:40 am - 11:20 amPIT-IAD
3h 40m1 stop
Southern / Mokulele Logo
5:40 pm - 9:29 pmIAD-PIT
3h 49m1 stop
$99Southern / Mokulele
Find Deal
Wed, May 14 - Fri, May 16
Southern / Mokulele Logo
7:40 am - 11:20 amPIT-IAD
3h 40m1 stop
Southern / Mokulele Logo
12:55 pm - 5:13 pmIAD-PIT
4h 18m1 stop
$105Southern / Mokulele
Find Deal
Wed, May 7 - Wed, May 14
United Airlines Logo
10:25 am - 11:37 amPIT-IAD
1h 12mnonstop
United Airlines Logo
10:05 pm - 11:08 pmIAD-PIT
1h 03mnonstop
$188United Airlines
Find Deal
Sun, Jun 1 - Sat, Jun 7
United Airlines Logo
1:15 pm - 2:25 pmPIT-IAD
1h 10mnonstop
United Airlines Logo
12:55 pm - 2:00 pmIAD-PIT
1h 05mnonstop
$189United Airlines
Find Deal
Fri, May 9 - Mon, May 12
Delta Logo
7:20 am - 11:55 amPIT-IAD
4h 35m1 stop
Delta Logo
6:10 am - 9:33 amIAD-PIT
3h 23m1 stop
$199Delta
Find Deal
Sat, Jul 26 - Tue, Jul 29
Allegiant Air Logo
6:00 am - 2:23 pmPIT-IAD
32h 23m2 stops
Allegiant Air Logo
7:00 pm - 7:02 pmIAD-PIT
24h 02m1 stop
$280Allegiant Air
Find Deal
Thu, Jun 5 - Mon, Jun 9
American Airlines Logo
5:04 am - 10:48 amPIT-IAD
5h 44m1 stop
American Airlines Logo
8:14 pm - 11:51 pmIAD-PIT
3h 37m1 stop
$282American Airlines
Find Deal
Sat, Jun 14 - Sat, Jun 14
Allegiant Air Logo
11:00 am - 2:23 pmPIT-IAD
27h 23m2 stops
Allegiant Air Logo
11:54 am - 11:21 pmIAD-PIT
11h 27m1 stop
$310Allegiant Air
Find Deal
Thu, May 22 - Thu, May 29
American Airlines Logo
5:00 am - 10:37 amPIT-IAD
5h 37m1 stop
American Airlines Logo
6:35 am - 9:16 pmIAD-PIT
14h 41m2 stops
$340American Airlines
Find Deal
Sat, Jul 12 - Mon, Jul 14
Delta Logo
7:30 pm - 10:59 pmPIT-IAD
3h 29m1 stop
Delta Logo
6:10 am - 9:33 amIAD-PIT
3h 23m1 stop
$359Delta
Find Deal
Thu, Aug 7 - Mon, Aug 11

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
May 14
PIT7:40 amPittsburgh
3h 40m
1 stop
IAD11:20 amWashington, D.C. Dulles Intl
May 16
IAD5:40 pmWashington, D.C. Dulles Intl
3h 49m
1 stop
PIT9:29 pmPittsburgh
Southern / Mokulele
May 1
PIT7:40 amPittsburgh
3h 46m
1 stop
IAD11:26 amWashington, D.C. Dulles Intl
May 4
IAD12:55 pmWashington, D.C. Dulles Intl
4h 18m
1 stop
PIT5:13 pmPittsburgh
Southern / Mokulele
May 6
PIT7:40 amPittsburgh
3h 46m
1 stop
IAD11:26 amWashington, D.C. Dulles Intl
May 12
IAD12:55 pmWashington, D.C. Dulles Intl
4h 18m
1 stop
PIT5:13 pmPittsburgh

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
Jun 1
PIT10:25 amPittsburgh
1h 12m
IAD11:37 amWashington, D.C. Dulles Intl
Jun 7
IAD10:05 pmWashington, D.C. Dulles Intl
1h 03m
PIT11:08 pmPittsburgh
United Airlines
May 9
PIT1:15 pmPittsburgh
1h 10m
IAD2:25 pmWashington, D.C. Dulles Intl
May 12
IAD12:55 pmWashington, D.C. Dulles Intl
1h 05m
PIT2:00 pmPittsburgh
United Airlines
May 6
PIT10:20 amPittsburgh
1h 09m
IAD11:29 amWashington, D.C. Dulles Intl
May 12
IAD12:55 pmWashington, D.C. Dulles Intl
1h 05m
PIT2:00 pmPittsburgh

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 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 $162. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $189.

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 $780. 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 $900.

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 $553 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 $1,150 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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Pittsburgh when booking 2 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $232 when searching 2 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Pittsburgh for as low as $177 on momondo.

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.

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

As of April 2025, prices for Pittsburgh to Washington, D.C. Dulles Intl Airport flights are approximately 32% more expensive 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

$50

Fastest flight time

1h 07m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat
The best one-way flight to Washington, D.C. Dulles Intl Airport from Pittsburgh in the past 72 hours is $50. The best round-trip flight deal from Pittsburgh to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $99.
The fastest flight from Pittsburgh to Washington, D.C. Dulles Intl Airport takes 1h 07m
Direct flights go from Pittsburgh to Washington, D.C. Dulles Intl Airport on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is United Airlines.

  • 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 07m.

  • 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 $112Free CancellationRating
6.5
27 reviews
Search Southern / Mokulele flights
United AirlinesPriceFrom $179Free CancellationRating
7.4
8,685 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 27 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 $291. 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
Arlington
Gettysburg
National Harbor
Laurel
Winchester
Silver Spring
Woodbridge
Tysons
Fredericksburg
Waldorf
Manassas
Harpers Ferry
Gaithersburg
Rockville
Glen Burnie
Towson
Linthicum Heights
Fairfax
Reston

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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