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Pennsylvania

$73+ Cheap flights from Dulles Intl (IAD) to Pennsylvania

IAD — PHL
Dec 5 — Dec 121
Sat 12/5
Sat 12/12
1 adult, Economy
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Cheap flight deals from Dulles Intl to Pennsylvania

Cheapest flights from Dulles Intl to Pennsylvania

Wed 12/210:22 pm -
Nonstop1h 08m
Wed 12/96:10 am -
Nonstop1h 13m
Deal found 11/4$117
Wed 12/912:06 pm -
1 stop11h 05m
Mon 12/146:31 pm -
1 stop16h 40m
Deal found 11/3$119
Tue 12/110:33 pm -
1 stop14h 34m
Tue 12/86:31 pm -
1 stop16h 40m
Deal found 11/3$127
Thu 12/310:22 pm -
1 stop14h 45m
Mon 12/74:31 pm -
1 stop18h 40m
Deal found 11/4$131
Thu 12/310:22 pm -
1 stop14h 45m
Sun 12/68:40 am -
1 stop6h 09m
Deal found 11/2$140
Thu 12/312:50 pm -
1 stop3h 47m
Mon 12/710:55 am -
1 stop5h 30m
Deal found 11/4$141
Wed 12/212:50 pm -
1 stop3h 47m
Wed 12/910:55 am -
1 stop5h 30m
Deal found 11/2$143
Thu 12/108:25 am -
1 stop4h 57m
Mon 12/1410:55 am -
1 stop5h 30m
Deal found 11/1$144
Fri 11/2012:50 pm -
1 stop3h 47m
Tue 11/2410:55 am -
1 stop5h 30m
Deal found 11/4$145
Wed 11/1112:50 pm -
1 stop3h 47m
Thu 11/1210:55 am -
1 stop5h 30m
Deal found 11/3$146
Wed 12/212:50 pm -
1 stop3h 47m
Fri 12/410:55 am -
1 stop5h 30m
Deal found 11/1$147
Mon 11/212:50 pm -
1 stop3h 47m
Wed 11/45:25 pm -
1 stop3h 41m
Deal found 11/1$151

Find flight deals from Dulles Intl to Pennsylvania

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$117
(United Airlines)

One-way from

$73
(Trip.com)

Popular in

September

Cheapest in

December

Average price

$433

Good round-trip deal

$167 or less

Good one-way deal

$79 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Philadelphia flights.
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From Washington, D.C. Dulles Intl to Pennsylvania
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One-way flight from Washington, D.C. Dulles Intl to Pennsylvania
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Highest demand for flights based on searches. 23% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Pennsylvania.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Pennsylvania.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Fri 11/20

12:50 pm-4:37 pm

1 stop3h 47m

Pittsburgh

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$76

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Tue 12/15

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$82

Washington, D.C.DuBois

IAD Washington, D.C. Dulles Intl - DUJ DuBois Jefferson County

IADDUJ

Washington, D.C. Dulles Intl

Wed 12/2

12:50 pm-2:18 pm

Nonstop1h 28m

DuBois Jefferson County

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$87

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Wed 12/2

10:22 pm-11:30 pm

Nonstop1h 08m

Pittsburgh

Wed 12/9

6:10 am-7:23 am

Nonstop1h 13m

$117

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Mon 1/4

10:59 pm-4:52 pm

2 stops17h 53m

Philadelphia

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$126

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Sat 2/6

6:37 am-12:15 am

2 stops17h 38m

Philadelphia

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$138

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Fri 2/26

10:16 pm-12:16 pm

2 stops14h 00m

Philadelphia

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$147

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Sat 12/5

10:35 pm-12:43 am

2 stops26h 08m

Philadelphia

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$152

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Mon 11/23

9:35 pm-8:02 am

1 stop10h 27m

Philadelphia

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$153

Washington, D.C.Pittsburgh

IAD Washington, D.C. Dulles Intl - PIT Pittsburgh

IADPIT

Washington, D.C. Dulles Intl

Mon 1/25

12:53 pm-5:16 pm

1 stop4h 23m

Pittsburgh

Sat 1/30

10:29 am-4:44 pm

1 stop6h 15m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Dulles Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Pennsylvania

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania (average of $210). Flying from Washington, D.C. Dulles Intl Airport to Pennsylvania in June is currently the most expensive (average of $524). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to PA?

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Pennsylvania at noon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Pennsylvania

The most flights from IAD to USPA are scheduled on a Wednesday (11 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Pennsylvania?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Pennsylvania flight should consider departing on Tuesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Pennsylvania

Get a feel of what it's like to fly with United Airlines and Southern / Mokulele from Washington, D.C. Dulles Intl Airport to Pennsylvania by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.3
Good
10,462 reviews

Boarding

7.7

Comfort

7.3

Overall

7.3

Food

6.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.3
Good
10,462 reviews
United Airlines
7.3
Good
10,462 reviews

Boarding

7.7

Comfort

7.3

Overall

7.3

Food

6.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Southern / Mokulele
6.5
Okay
27 reviews
United Airlines
7.3
Good
10,462 reviews

Boarding

7.7

Comfort

7.3

Overall

7.3

Food

6.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Pennsylvania?

    A quick flight from Washington, D.C. Dulles Intl Airport to Pennsylvania can take about 1h 08m. United Airlines provides one of the quickest options available for as low as $117. The distance between Washington, D.C. Dulles Intl Airport and Pennsylvania is about 183 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Pennsylvania?

    When deciding which route to take from Washington, D.C. Dulles Intl Airport to Pennsylvania consider Washington, D.C. Dulles Intl - New York John F Kennedy Intl, Washington, D.C. Dulles Intl - New York LaGuardia or Washington, D.C. Dulles Intl - Newark as they are the most popular.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Pennsylvania?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Pennsylvania on time: CommutAir (100%), Republic Airways (100%), Ethiopian Air (100%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Pennsylvania?

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Pennsylvania is $181. On average you can expect to pay $528. The most popular route, (Washington, D.C. Dulles Intl - New York John F Kennedy Intl), can usually be booked for $245.

  • Can I find deals for flights from Dulles Intl to Pennsylvania that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Pennsylvania flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Pennsylvania?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Pennsylvania.

  • Can I find deals for business class flights from Dulles Intl to Pennsylvania?

    Yes. Cheapflights offers flight deals from Dulles Intl to Pennsylvania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania (average of $210). Flying from Washington, D.C. Dulles Intl Airport to Pennsylvania in June is currently the most expensive (average of $524). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Pennsylvania

Dulles Intl to Orlando flights
Dulles Intl to Dallas/Fort Worth flights
Dulles Intl to Miami flights
Reagan-National to Orlando flights
Baltimore to Dallas/Fort Worth flights
Baltimore to Orlando flights
Dulles Intl to Las Vegas flights
Baltimore to Fort Lauderdale flights
Reagan-National to Dallas/Fort Worth flights
Dulles Intl to Atlanta flights
Dulles Intl to Fort Lauderdale flights
Reagan-National to Miami flights
Dulles Intl to Los Angeles flights
Baltimore to Atlanta flights
Baltimore to Los Angeles flights
Reagan-National to Los Angeles flights
Baltimore to Miami flights
Baltimore to Hobby flights
Dulles Intl to Tampa flights
Reagan-National to Fort Lauderdale flights
Baltimore to Las Vegas flights
Dulles Intl to San Francisco flights
Dulles Intl to Sky Harbor Intl flights
Dulles Intl to O'Hare Intl flights
Baltimore to Tampa flights
Reagan-National to Las Vegas flights
Reagan-National to Atlanta flights
Baltimore to O'Hare Intl flights
Dulles Intl to Seattle flights
Baltimore to San Francisco flights
Reagan-National to Hobby flights
Reagan-National to Boston flights
Dulles Intl to New Orleans flights
Reagan-National to San Francisco flights
Reagan-National to O'Hare Intl flights
Reagan-National to Tampa flights
Reagan-National to Seattle flights
Baltimore to Denver flights
Baltimore to Sky Harbor Intl flights
Dulles Intl to Hobby flights
Baltimore to George Bush Intcntl flights
Dulles Intl to Boston flights
Dulles Intl to Denver flights
Reagan-National to Sky Harbor Intl flights
Dulles Intl to George Bush Intcntl flights
Baltimore to Boston flights
Baltimore to New Orleans flights
Reagan-National to George Bush Intcntl flights
Reagan-National to Nashville flights

Top 2 airlines flying from Dulles Intl to Pennsylvania

AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$144Average$168FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$178Average$381FlexibilityNo cancel feeOn-time69%

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