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$48 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 8/3. 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
Wed 7/10
Wed 7/17

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In the last 7 days travelers have searched 42,898,604 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$48
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 9% 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, +68 more

ANA, ASKY, +69 more

Tuesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Wednesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Thursday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Friday

ANA, ASKY, Aer Lingus, +69 more

ANA, ASKY, +70 more

Saturday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Sunday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

See more direct flights

Nonstop returns

Washington, D.C. Dulles Intl to Pennsylvania

Monday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Tuesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Wednesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Thursday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Friday

ANA, ASKY, Aer Lingus, +69 more

ANA, ASKY, +70 more

Saturday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Sunday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

See more direct flights
See more direct flights

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

Recent round-trip flight deals

7/9Tue
nonstopUnited Airlines
1h 09mPIT-IAD
7/16Tue
nonstopUnited Airlines
1h 03mIAD-PIT
$117
8/31Sat
1 stopSouthern / Mokulele
3h 40mPIT-IAD
9/4Wed
1 stopSouthern / Mokulele
2h 55mIAD-PIT
$122
9/1Sun
nonstopDelta
1h 28mJFK-IAD
10/1Tue
nonstopDelta
1h 21mIAD-JFK
$163
9/4Wed
nonstopDelta
1h 44mJFK-IAD
9/5Thu
nonstopDelta
1h 22mIAD-JFK
$177
8/15Thu
1 stopAmerican Airlines
3h 57mMDT-IAD
8/19Mon
1 stopAmerican Airlines
3h 40mIAD-MDT
$208
7/23Tue
3 stops
40h 04mPIT-IAD
7/25Thu
1 stop
2h 55mIAD-PIT
$243
9/17Tue
1 stop
4h 50mPIT-IAD
9/24Tue
2 stops
18h 36mIAD-PIT
$262
6/29Sat
1 stopAmerican Airlines
5h 20mPHL-IAD
7/1Mon
1 stopAmerican Airlines
4h 33mIAD-PHL
$288
7/9Tue
1 stopSun Country Air
23h 00mJFK-IAD
7/12Fri
1 stopSun Country Air
14h 24mIAD-JFK
$335
6/26Wed
1 stopSun Country Air
24h 07mPHL-IAD
7/10Wed
1 stopSun Country Air
23h 46mIAD-PHL
$357

Search by stops

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Recent one-way flight deals

8/3Sat
1 stopSouthern / Mokulele
3h 40mPIT-IAD
$48
7/12Fri
1 stopSouthern / Mokulele
3h 40mPIT-IAD
$61
11/30Sat
1 stopSouthern / Mokulele
3h 40mPIT-IAD
$62
9/4Wed
nonstopUnited Airlines
1h 26mLGA-IAD
$74
9/4Wed
nonstopUnited Airlines
1h 23mEWR-IAD
$74
9/10Tue
nonstopDelta
1h 40mJFK-IAD
$74
9/4Wed
1 stopDelta
6h 51mEWR-IAD
$83
6/20Thu
1 stop
8h 34mLGA-IAD
$95
6/20Thu
1 stop
8h 34mLGA-IAD
$108
6/28Fri
nonstopCitizenPlane
1h 19mEWR-IAD
$121

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Last minute flights from Pennsylvania to Dulles Intl

Last minute flight, train and bus deals

6/11Tue
multi-stopSouthern / Mokulele
4h 50mPIT-IAD
6/16Sun
multi-stopSouthern / Mokulele
5h 10mIAD-PIT
$124
6/12Wed
multi-stopSouthern / Mokulele
4h 50mPIT-IAD
6/16Sun
multi-stopSouthern / Mokulele
5h 15mIAD-PIT
$125
6/14Fri
multi-stopAmerican Airlines
5h 25mPHL-IAD
6/17Mon
multi-stopAmerican Airlines
4h 33mIAD-PHL
$293
6/15Sat
nonstopDelta
1h 42mJFK-IAD
8/18Sun
nonstopDelta
1h 22mIAD-JFK
$314
6/14Fri
multi-stopAmerican Airlines
4h 07mPHL-IAD
6/21Fri
multi-stopAmerican Airlines
4h 33mIAD-PHL
$343
6/15Sat
multi-stop
29h 25mEWR-IAD
6/22Sat
multi-stop
17h 28mIAD-EWR
$345
6/12Wed
multi-stopDelta
5h 40mEWR-IAD
7/16Tue
multi-stopDelta
5h 46mIAD-EWR
$347
6/14Fri
multi-stop
19h 16mEWR-IAD
6/17Mon
multi-stop
23h 46mIAD-EWR
$352
6/12Wed
nonstopUnited Airlines
1h 30mEWR-IAD
7/16Tue
nonstopUnited Airlines
1h 17mIAD-EWR
$358
6/11Tue
nonstopUnited Airlines
1h 19mEWR-IAD
7/15Mon
nonstopUnited Airlines
1h 17mIAD-EWR
$367

Search by stops

Search by airline

Search by price