Find flights
When to book
FAQs & Tips
Direct Flights
Deals

IAD

$57 Find cheap flights from Pennsylvania to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dulles Intl departing on 7/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 7/5
Fri 7/12

Search hundreds of travel sites at once for deals on flights to Washington Dulles Airport

In the last 7 days travelers have searched 44,281,614 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

June

Cheapest flight

$57
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Pittsburgh to Washington Dulles Airport

FAQs for booking Pennsylvania to Washington Dulles Airport flights

  • How does KAYAK find such low prices on flights from Pennsylvania to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Pennsylvania to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Pennsylvania with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Pennsylvania to Washington Dulles Airport?

Find which airlines fly direct from Pennsylvania to Dulles Intl, which days they fly and book direct flights.

Nonstop departures

Pennsylvania to Washington, D.C. Dulles Intl

Monday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Tuesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Wednesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Thursday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Friday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Saturday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Sunday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

See more direct flights

Nonstop returns

Washington, D.C. Dulles Intl to Pennsylvania

Monday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Tuesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Wednesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Thursday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Friday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Saturday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Sunday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

See more direct flights
See more direct flights

Book cheap flights from Pennsylvania to Washington, D.C.

Recent round-trip flight deals

6/30Sun
1 stopSouthern / Mokulele
3h 00mPIT-IAD
7/3Wed
1 stopSouthern / Mokulele
2h 50mIAD-PIT
$113
7/2Tue
nonstopUnited Airlines
1h 09mPIT-IAD
7/9Tue
nonstopUnited Airlines
1h 03mIAD-PIT
$117
7/2Tue
1 stopSouthern / Mokulele
3h 40mPIT-IAD
7/8Mon
1 stopSouthern / Mokulele
2h 50mIAD-PIT
$123
9/24Tue
nonstopDelta
1h 24mJFK-IAD
9/24Tue
nonstopDelta
1h 41mIAD-JFK
$147
10/1Tue
nonstopDelta
1h 40mJFK-IAD
10/16Wed
nonstopDelta
1h 18mIAD-JFK
$148
8/15Thu
1 stopAmerican Airlines
3h 57mMDT-IAD
8/19Mon
1 stopAmerican Airlines
3h 40mIAD-MDT
$208
7/3Wed
2 stops
22h 35mPIT-IAD
7/10Wed
1 stop
5h 05mIAD-PIT
$216
6/19Wed
2 stops
20h 05mPIT-IAD
6/29Sat
1 stop
5h 10mIAD-PIT
$217
6/18Tue
1 stopAmerican Airlines
4h 12mPHL-IAD
6/22Sat
1 stopAmerican Airlines
4h 36mIAD-PHL
$288
6/29Sat
nonstopSpirit Airlines
1h 30mEWR-IAD
6/30Sun
2 stopsSpirit Airlines
17h 11mIAD-EWR
$325

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/27Sat
1 stopSouthern / Mokulele
3h 40mPIT-IAD
$57
6/25Tue
nonstopUnited Airlines
1h 09mPIT-IAD
$59
9/3Tue
nonstopDelta
1h 44mJFK-IAD
$74
6/20Thu
1 stop
8h 34mLGA-IAD
$81
6/25Tue
nonstopDelta
1h 42mJFK-IAD
$90
7/4Thu
1 stop
9h 20mLGA-IAD
$90
6/11Tue
1 stopSun Country Air
23h 05mPHL-IAD
$143
7/3Wed
1 stopSun Country Air
14h 54mEWR-IAD
$158
8/6Tue
1 stopAmerican Airlines
9h 28mJFK-IAD
$164
9/4Wed
1 stopAmerican Airlines
13h 02mPHL-IAD
$164

Search by stops

Search by airline

Search by price

Last minute flights from Pennsylvania to Dulles Intl

Last minute flight, train and bus deals

6/6Thu
multi-stopSouthern / Mokulele
4h 50mPIT-IAD
6/9Sun
multi-stopSouthern / Mokulele
5h 15mIAD-PIT
$130
6/7Fri
multi-stopSouthern / Mokulele
4h 50mPIT-IAD
6/9Sun
multi-stopSouthern / Mokulele
5h 10mIAD-PIT
$131
6/10Mon
multi-stop
28h 28mEWR-IAD
6/12Wed
multi-stop
17h 34mIAD-EWR
$283
6/7Fri
multi-stopAmerican Airlines
5h 20mPHL-IAD
6/9Sun
multi-stopAmerican Airlines
4h 36mIAD-PHL
$298
6/10Mon
multi-stop
20h 21mEWR-IAD
6/18Tue
multi-stop
21h 15mIAD-EWR
$302
6/10Mon
nonstopUnited Airlines
1h 30mEWR-IAD
6/17Mon
nonstopUnited Airlines
1h 19mIAD-EWR
$329
6/6Thu
multi-stopAmerican Airlines
4h 12mPHL-IAD
6/9Sun
multi-stopAmerican Airlines
4h 21mIAD-PHL
$343
6/10Mon
nonstopUnited Airlines
1h 33mLGA-IAD
6/18Tue
nonstopUnited Airlines
1h 20mIAD-LGA
$372
6/10Mon
nonstopDelta
1h 25mJFK-IAD
6/30Sun
nonstopDelta
1h 45mIAD-JFK
$397
6/9Sun
nonstopDelta
1h 25mJFK-IAD
6/11Tue
nonstopDelta
1h 45mIAD-JFK
$439

Search by stops

Search by airline

Search by price