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Pittsburgh International Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Pittsburgh International Airport to Dulles International Airport over the next 90 days, with one-way fares from HK$551 and round-trip from HK$1,073. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      PIT 6:12 AM
      1h 13m
      Nonstop
      IAD 7:25 AM
      Pittsburgh - Washington D.C. | Sat, Nov 14 | United Airlines
      IAD 1:09 PM
      1h 5m
      Nonstop
      PIT 2:14 PM
      Washington D.C. - Pittsburgh | Wed, Nov 18 | United Airlines
      HK$1,447 HK$1,639
      12% off
      12% off
      HK$1,639 HK$1,447
    • PIT 6:10 AM
      1h 2m
      Nonstop
      IAD 7:12 AM
      Pittsburgh - Washington D.C. | Wed, Dec 2 | United Airlines
      IAD 1:12 PM
      1h 6m
      Nonstop
      PIT 2:18 PM
      Washington D.C. - Pittsburgh | Wed, Dec 9 | United Airlines
      HK$1,458 HK$1,639
      11% off
      11% off
      HK$1,639 HK$1,458
    • PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Thu, Nov 19 | Southern Airways Express
      IAD 12:50 PM
      3h 47m
      1 stop
      PIT 4:37 PM
      Washington D.C. - Pittsburgh | Mon, Nov 23 | Southern Airways Express
      HK$1,073 HK$1,639
      35% off
      35% off
      HK$1,639 HK$1,073
    • PIT 10:27 AM
      5h 56m
      1 stop
      IAD 4:23 PM
      Pittsburgh - Washington D.C. | Thu, Dec 10 | Delta Air Lines
      DCA 8:15 AM
      3h 56m
      1 stop
      PIT 12:11 PM
      Washington D.C. - Pittsburgh | Thu, Dec 17 | Delta Air Lines
      HK$1,092
      33% off
      HK$1,639 HK$1,092
    • PIT 12:15 PM
      4h 3m
      1 stop
      IAD 4:18 PM
      Pittsburgh - Washington D.C. | Wed, Dec 2 | Delta Air Lines
      IAD 6:00 AM
      3h 46m
      1 stop
      PIT 9:46 AM
      Washington D.C. - Pittsburgh | Wed, Dec 9 | Delta Air Lines
      HK$1,118
      32% off
      HK$1,639 HK$1,118
    • PIT 7:21 AM
      4h 29m
      1 stop
      IAD 11:50 AM
      Pittsburgh - Washington D.C. | Wed, Nov 4 | Delta Air Lines
      DCA 6:10 AM
      3h 33m
      1 stop
      PIT 9:43 AM
      Washington D.C. - Pittsburgh | Wed, Nov 11 | Delta Air Lines
      HK$1,120
      32% off
      HK$1,639 HK$1,120
    • PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Wed, Nov 25 | Southern Airways Express
      IAD 12:50 PM
      3h 47m
      1 stop
      PIT 4:37 PM
      Washington D.C. - Pittsburgh | Fri, Nov 27 | Southern Airways Express
      HK$1,121
      32% off
      HK$1,639 HK$1,121
    • PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Fri, Dec 4 | Southern Airways Express
      IAD 12:50 PM
      3h 47m
      1 stop
      PIT 4:37 PM
      Washington D.C. - Pittsburgh | Mon, Dec 7 | Southern Airways Express
      HK$1,125
      31% off
      HK$1,639 HK$1,125
    • PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Thu, Nov 5 | Southern Airways Express
      IAD 12:50 PM
      3h 47m
      1 stop
      PIT 4:37 PM
      Washington D.C. - Pittsburgh | Mon, Nov 9 | Southern Airways Express
      HK$1,127
      31% off
      HK$1,639 HK$1,127
    • PIT 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Pittsburgh - Washington D.C. | Sat, Oct 31 | Normal Airline
      WAS 3:00 PM
      6h
      Nonstop
      PIT 4:00 PM
      Washington D.C. - Pittsburgh | Mon, Nov 2 | Normal Airline
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    • Cheapest
      PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Thu, Nov 5 | Southern Airways Express
      HK$551 HK$1,520
      64% off
      64% off
      HK$1,520 HK$551
    • Cheapest
      PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Mon, Nov 2 | Southern Airways Express
      HK$551 HK$1,520
      64% off
      64% off
      HK$1,520 HK$551
    • PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Wed, Nov 25 | Southern Airways Express
      HK$554 HK$1,520
      64% off
      64% off
      HK$1,520 HK$554
    • PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Mon, Nov 16 | Southern Airways Express
      HK$557
      63% off
      HK$1,520 HK$557
    • PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Fri, Nov 13 | Southern Airways Express
      HK$559
      63% off
      HK$1,520 HK$559
    • PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Tue, Nov 17 | Southern Airways Express
      HK$560
      63% off
      HK$1,520 HK$560
    • PIT 10:55 AM
      5h 18m
      1 stop
      IAD 4:13 PM
      Pittsburgh - Washington D.C. | Fri, Oct 30 | Southern Airways Express
      HK$570
      63% off
      HK$1,520 HK$570
    • PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Wed, Nov 11 | Southern Airways Express
      HK$578
      62% off
      HK$1,520 HK$578
    • PIT 10:55 AM
      5h 30m
      1 stop
      IAD 4:25 PM
      Pittsburgh - Washington D.C. | Fri, Nov 6 | Southern Airways Express
      HK$584
      62% off
      HK$1,520 HK$584
    • PIT 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Pittsburgh - Washington D.C. | Sat, Oct 31 | Normal Airline
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    • Cheapest nonstop
      PIT 6:12 AM
      1h 13m
      Nonstop
      IAD 7:25 AM
      Pittsburgh - Washington D.C. | Sat, Oct 31 | United Airlines
      HK$723 HK$1,520
      52% off
      52% off
      HK$1,520 HK$723
    • PIT 3:10 PM
      1h 5m
      Nonstop
      IAD 4:15 PM
      Pittsburgh - Washington D.C. | Sat, Dec 12 | United Airlines
      HK$1,352 HK$1,520
      11% off
      11% off
      HK$1,520 HK$1,352
    • PIT 3:10 PM
      1h 5m
      Nonstop
      IAD 4:15 PM
      Pittsburgh - Washington D.C. | Tue, Dec 15 | United Airlines
      HK$1,409 HK$2,687
      48% off
      48% off
      HK$2,687 HK$1,409
    • PIT 3:15 PM
      1h 5m
      Nonstop
      IAD 4:20 PM
      Pittsburgh - Washington D.C. | Thu, Nov 19 | United Airlines
      HK$1,661
      38% off
      HK$2,687 HK$1,661
    • PIT 6:12 AM
      1h 13m
      Nonstop
      IAD 7:25 AM
      Pittsburgh - Washington D.C. | Sat, Nov 28 | United Airlines
      HK$1,811
      28% off
      HK$2,547 HK$1,811
    • PIT 8:00 PM
      1h 22m
      Nonstop
      IAD 9:22 PM
      Pittsburgh - Washington D.C. | Mon, Nov 30 | United Airlines
      HK$1,811
      28% off
      HK$2,547 HK$1,811
    • PIT 6:00 AM
      1h 26m
      Nonstop
      IAD 7:26 AM
      Pittsburgh - Washington D.C. | Sat, Dec 26 | United Airlines
      HK$1,864
      27% off
      HK$2,547 HK$1,864
    • PIT 3:25 PM
      1h 5m
      Nonstop
      IAD 4:30 PM
      Pittsburgh - Washington D.C. | Tue, Dec 29 | United Airlines
      HK$1,868
      30% off
      HK$2,687 HK$1,868
    • PIT 3:10 PM
      1h 5m
      Nonstop
      IAD 4:15 PM
      Pittsburgh - Washington D.C. | Sun, Dec 13 | United Airlines
      HK$1,958
      27% off
      HK$2,687 HK$1,958
    • PIT 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Pittsburgh - Washington D.C. | Sat, Oct 31 | Normal Airline
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    • Cheapest nonstop
      PIT 6:12 AM
      1h 13m
      Nonstop
      IAD 7:25 AM
      Pittsburgh - Washington D.C. | Sat, Nov 28 | United Airlines
      HK$1,811 HK$2,547
      28% off
      28% off
      HK$2,547 HK$1,811
    • PIT 8:00 PM
      1h 22m
      Nonstop
      IAD 9:22 PM
      Pittsburgh - Washington D.C. | Mon, Nov 30 | United Airlines
      HK$1,811 HK$2,547
      28% off
      28% off
      HK$2,547 HK$1,811
    • PIT 6:00 AM
      1h 26m
      Nonstop
      IAD 7:26 AM
      Pittsburgh - Washington D.C. | Sat, Dec 26 | United Airlines
      HK$1,864 HK$2,547
      27% off
      27% off
      HK$2,547 HK$1,864
    • PIT 8:00 PM
      1h 22m
      Nonstop
      IAD 9:22 PM
      Pittsburgh - Washington D.C. | Sun, Nov 29 | United Airlines
      HK$2,266
      11% off
      HK$2,547 HK$2,266
    • PIT 12:15 PM
      4h
      1 stop
      IAD 4:15 PM
      Pittsburgh - Washington D.C. | Sat, Dec 12 | Delta Air Lines
      HK$1,151
      55% off
      HK$2,547 HK$1,151
    • PIT 12:15 PM
      4h 3m
      1 stop
      IAD 4:18 PM
      Pittsburgh - Washington D.C. | Tue, Dec 15 | Delta Air Lines
      HK$1,163
      54% off
      HK$2,547 HK$1,163
    • PIT 2:59 PM
      3h 48m
      1 stop
      IAD 6:47 PM
      Pittsburgh - Washington D.C. | Sat, Dec 12 | American Airlines
      HK$1,242
      51% off
      HK$2,547 HK$1,242
    • PIT 5:00 AM
      3h 59m
      1 stop
      IAD 8:59 AM
      Pittsburgh - Washington D.C. | Thu, Nov 19 | American Airlines
      HK$1,481
      42% off
      HK$2,547 HK$1,481
    • PIT 12:00 PM
      3h 38m
      1 stop
      IAD 3:38 PM
      Pittsburgh - Washington D.C. | Fri, Dec 25 | Delta Air Lines
      HK$1,682
      34% off
      HK$2,547 HK$1,682
    • PIT 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Pittsburgh - Washington D.C. | Sat, Oct 31 | Normal Airline
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    • PIT 3:10 PM
      1h 5m
      Nonstop
      IAD 4:15 PM
      Pittsburgh - Washington D.C. | Sat, Dec 12 | United Airlines
      HK$1,352 HK$1,520
      11% off
      11% off
      HK$1,520 HK$1,352
    • PIT 3:10 PM
      1h 5m
      Nonstop
      IAD 4:15 PM
      Pittsburgh - Washington D.C. | Tue, Dec 15 | United Airlines
      HK$1,409 HK$2,687
      48% off
      48% off
      HK$2,687 HK$1,409
    • PIT 3:15 PM
      1h 5m
      Nonstop
      IAD 4:20 PM
      Pittsburgh - Washington D.C. | Thu, Nov 19 | United Airlines
      HK$1,661 HK$2,687
      38% off
      38% off
      HK$2,687 HK$1,661
    • PIT 3:25 PM
      1h 5m
      Nonstop
      IAD 4:30 PM
      Pittsburgh - Washington D.C. | Tue, Dec 29 | United Airlines
      HK$1,868
      30% off
      HK$2,687 HK$1,868
    • PIT 3:10 PM
      1h 5m
      Nonstop
      IAD 4:15 PM
      Pittsburgh - Washington D.C. | Sun, Dec 13 | United Airlines
      HK$1,958
      27% off
      HK$2,687 HK$1,958
    • PIT 3:10 PM
      1h 5m
      Nonstop
      IAD 4:15 PM
      Pittsburgh - Washington D.C. | Fri, Dec 11 | United Airlines
      HK$1,963
      27% off
      HK$2,687 HK$1,963
    • PIT 3:25 PM
      1h 5m
      Nonstop
      IAD 4:30 PM
      Pittsburgh - Washington D.C. | Fri, Dec 25 | United Airlines
      HK$1,965
      27% off
      HK$2,687 HK$1,965
    • PIT 3:25 PM
      1h 5m
      Nonstop
      IAD 4:30 PM
      Pittsburgh - Washington D.C. | Thu, Dec 24 | United Airlines
      HK$1,965
      27% off
      HK$2,687 HK$1,965
    • PIT 3:15 PM
      1h 5m
      Nonstop
      IAD 4:20 PM
      Pittsburgh - Washington D.C. | Tue, Nov 17 | United Airlines
      HK$1,984
      26% off
      HK$2,687 HK$1,984
    • PIT 1:00 PM
      17h 25m
      1 stop
      WAS 2:00 PM
      Pittsburgh - Washington D.C. | Sat, Oct 31 | Normal Airline
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Displayed flight fares from Pittsburgh to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Pittsburgh International Airport to Dulles International Airport

What is the cheapest month for one-way flights from Pittsburgh International Airport to Dulles International Airport?

Data is based on average one-way flight prices from Pittsburgh International Airport to Dulles International Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Pittsburgh International Airport to Dulles International Airport, the best time to buy is in August, with an average price of HK$595. You’ll want to avoid July, when the average price can reach as high as HK$1,458.

HK$1,458
HK$1,027
HK$595
HK$164
    Cheapest
  • HK$1,058
    Oct
  • HK$725
    Nov
  • HK$1,324
    Dec
  • HK$846
    Jan
  • HK$1,002
    Feb
  • HK$644
    Mar
  • HK$607
    Apr
  • HK$1,358
    May
  • HK$654
    Jun
  • HK$1,458
    Jul
  • HK$595
    Aug
  • HK$619
    Sep

What is the cheapest day of the week to fly from Pittsburgh International Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average ticket prices from Pittsburgh International Airport to Dulles International Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Pittsburgh International Airport to Dulles International Airport is Friday, with average fares typically lower than other days. You’ll want to avoid flying on Sunday, as ticket prices are usually the highest that day.

HK$2,235
HK$1,438
HK$641
0
    Cheapest
  • HK$857
    Mon
  • HK$668
    Tue
  • HK$922
    Wed
  • HK$770
    Thu
  • HK$641
    Fri
  • HK$1,030
    Sat
  • HK$2,235
    Sun

Which airline offers the cheapest flights from Pittsburgh International Airport to Dulles International Airport?

The cheapest airline flying from Pittsburgh International Airport to Dulles International Airport is Southern Airways Express (from HK$551) among 8 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Southern Airways Express
From HK$551
United Airlines
From HK$723
Delta Air Lines
From HK$976
Frontier Airlines
From HK$1,170
American Airlines
From HK$1,292
Breeze Airways
From HK$1,310
Allegiant Air
From HK$2,048
Jetblue Airways
From HK$2,633

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What is the flight schedule from Pittsburgh International Airport to Dulles International Airport?

Check the schedule for flights from Pittsburgh to Washington D.C. and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA3679

    Pittsburgh International Airport

    6:20 AM

    PIT

    1h 2m

    7:22 AM

    IAD

    S M T W T F S
    Search

  2. 9X304

    Pittsburgh International Airport

    7:45 AM

    PIT

    59m

    Nonstop

    8:44 AM

    BFD

    S M T W T F -
    Search

  3. 9X394

    Bradford Regional Airport

    10:29 AM

    BFD

    1h 31m

    Nonstop

    12:00 PM

    IAD

    S M T W - F -

  4. 9X233

    Pittsburgh International Airport

    10:55 AM

    PIT

    50m

    Nonstop

    11:45 AM

    DUJ

    S M T W T F -
    Search

  5. 9X128

    Dubois Regional Airport

    6:06 PM

    DUJ

    1h 23m

    Nonstop

    7:29 PM

    IAD

    S M T W T - S

  6. DL1504

    Pittsburgh International Airport

    6:00 AM

    PIT

    1h 58m

    Nonstop

    7:58 AM

    ATL

    S M T W T F S
    Search

  7. F94410

    Hartsfield–Jackson Atlanta International Airport

    3:20 PM

    ATL

    1h 52m

    Nonstop

    5:12 PM

    IAD

    S M T W T F S

  8. 9X235

    Pittsburgh International Airport

    2:05 PM

    PIT

    50m

    Nonstop

    2:55 PM

    DUJ

    S M T W T F S
    Search

  9. 9X124

    Dubois Regional Airport

    5:40 AM

    DUJ

    1h 23m

    Nonstop

    7:03 AM

    IAD

    S M T W T F -

  10. 9X233

    Pittsburgh International Airport

    10:55 AM

    PIT

    50m

    Nonstop

    11:45 AM

    DUJ

    S M T W T F -
    Search

  11. 9X124

    Dubois Regional Airport

    5:40 AM

    DUJ

    1h 23m

    Nonstop

    7:03 AM

    IAD

    S M T W T F -

  12. 9X235

    Pittsburgh International Airport

    2:05 PM

    PIT

    50m

    Nonstop

    2:55 PM

    DUJ

    S M T W T F S
    Search

  13. 9X126

    Dubois Regional Airport

    10:15 AM

    DUJ

    1h 23m

    Nonstop

    11:38 AM

    IAD

    S M T W T - S
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About Pittsburgh International Airport and Dulles International Airport

Learn about Pittsburgh International Airport (PIT) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 295.49 km
Cheapest one-way ticket price HK$551
Cheapest return ticket price HK$1,073

FAQs for Pittsburgh International Airport to Dulles International Airport Flights

  • How long is the flight from Pittsburgh International Airport to Dulles International Airport?

    Pittsburgh International Airport to Dulles International Airport takes about 46 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 4 daily flights from Pittsburgh International Airport (PIT) to Dulles International Airport (IAD).
  • The earliest flight from Pittsburgh International Airport to Dulles International Airport departs at 06:12, and the last departs at 20:00, with about 9 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Pittsburgh International Airport (PIT) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around HK$2,180 in November, the most expensive month to book this route.
  • The earliest flight departs from Pittsburgh International Airport (PIT) at 06:15 and arrives in Dulles International Airport (IAD) at 07:29.
  • The latest flight departs from Pittsburgh International Airport (PIT) at 20:10 and arrives in Dulles International Airport (IAD) at 21:16.
  • United Airlines is a very popular airline operating an average of 982 flights per month.
  • One-way flights from Pittsburgh International Airport to Dulles International Airport currently start from HK$551, and round-trip fares start from HK$1,073. The current lowest fare is a Southern Airways Express flight departing on Thu, Nov 5; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Pittsburgh International Airport to Dulles International Airport, with an average flight time of 44 minutes, and around 26 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Pittsburgh International Airport to Dulles International Airport is HK$1,815. Prices may vary depending on the departure date, airline, and availability.
  • Pittsburgh International Airport to Dulles International Airport operates around 26 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Pittsburgh International Airport and Dulles International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.