HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pennsylvania

$76+ Cheap flights from Dulles Intl (IAD) to Pennsylvania

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHL
Sep 8 — Sep 151
Tue 9/8
Tue 9/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Pennsylvania with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Pennsylvania

Cheapest flights from Dulles Intl to Pennsylvania
Explore the most affordable flight options available from Dulles Intl to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 9, 2026.

This CheapTickets deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:50 am -
1 stop8h 10m
Sat 9/264:55 pm -
1 stop7h 15m
Deal found 8/5$158
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:04 pm -
1 stop10h 12m
Mon 9/1412:40 pm -
1 stop11h 30m
Deal found 8/8$167
This Southern / Mokulele deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:50 pm -
1 stop4h 17m
Fri 8/1411:55 am -
1 stop4h 18m
Deal found 8/7$169
This Trip.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:50 am -
1 stop8h 10m
Mon 9/216:15 am -
1 stop11h 03m
Deal found 8/5$169
This Expedia deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:50 am -
1 stop8h 10m
Sat 9/196:15 am -
1 stop11h 03m
Deal found 8/9$171
This Frontier deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am -
1 stop10h 35m
Sat 10/3110:55 pm -
1 stop14h 40m
Deal found 8/7$172
This FlightHub deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:25 am -
1 stop5h 57m
Mon 10/1211:55 am -
1 stop4h 18m
Deal found 8/5$173
This Kiwi.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:25 am -
1 stop5h 57m
Sun 8/235:20 pm -
1 stop13h 58m
Deal found 8/5$176
This CheapOair deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:25 am -
1 stop5h 57m
Sun 10/255:20 pm -
1 stop22h 38m
Deal found 8/5$177
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:30 pm -
1 stop23h 02m
Thu 10/225:38 pm -
1 stop23h 58m
Deal found 8/7$177
This CheapOair deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:25 am -
1 stop5h 57m
Sat 9/1211:55 am -
1 stop23h 43m
Deal found 8/7$178
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:25 am -
1 stop5h 57m
Sat 10/36:17 pm -
1 stop25h 52m
Deal found 8/8$182

Find flight deals from Dulles Intl to Pennsylvania

Keep the following information in mind while searching for Dulles Intl to Pennsylvania flight deals. Data was last updated August 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(CheapTickets)

One-way from

$76
(Trip.com)

Popular in

March

Cheapest in

December

Good round-trip deal

$118 or less

Good one-way deal

$59 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Philadelphia flights.
Search Deals
From Washington, D.C. Dulles Intl to Pennsylvania
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Pennsylvania
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Pennsylvania.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Pennsylvania.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Pennsylvania that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 9, 2026.
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

Tue 9/8

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Fri 9/11

11:55 am-4:13 pm

1 stop4h 18m

$169

Washington, D.C.Pittsburgh

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

IADPIT

Washington, D.C. Dulles Intl

Tue 9/8

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Fri 11/20

11:55 am-4:13 pm

1 stop4h 18m

$169

Washington, D.C.Pittsburgh

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

IADPIT

Washington, D.C. Dulles Intl

Sat 8/29

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Mon 8/31

11:55 am-4:13 pm

1 stop4h 18m

$169

Washington, D.C.Pittsburgh

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

IADPIT

Washington, D.C. Dulles Intl

Mon 11/2

8:25 am-2:22 pm

1 stop5h 57m

Pittsburgh

Thu 11/5

11:55 am-4:13 pm

1 stop4h 18m

$169

Washington, D.C.Pittsburgh

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

IADPIT

Washington, D.C. Dulles Intl

Thu 8/27

1:05 pm-2:11 pm

Nonstop1h 06m

Pittsburgh

Mon 8/31

3:20 pm-4:20 pm

Nonstop1h 00m

$191

Washington, D.C.New York

IAD Washington, D.C. Dulles Intl - JFK New York John F Kennedy Intl

IADJFK

Washington, D.C. Dulles Intl

Sat 11/7

12:30 pm-1:56 pm

Nonstop1h 26m

New York John F Kennedy Intl

Sat 11/14

3:59 pm-5:28 pm

Nonstop1h 29m

$207

Washington, D.C.New York

IAD Washington, D.C. Dulles Intl - JFK New York John F Kennedy Intl

IADJFK

Washington, D.C. Dulles Intl

Tue 9/22

12:25 pm-1:50 pm

Nonstop1h 25m

New York John F Kennedy Intl

Wed 10/7

10:20 am-11:50 am

Nonstop1h 30m

$207

Washington, D.C.Pittsburgh

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

IADPIT

Washington, D.C. Dulles Intl

Thu 9/10

1:05 pm-2:11 pm

Nonstop1h 06m

Pittsburgh

Sun 9/13

6:10 am-7:19 am

Nonstop1h 09m

$220

Washington, D.C.New York

IAD Washington, D.C. Dulles Intl - JFK New York John F Kennedy Intl

IADJFK

Washington, D.C. Dulles Intl

Sun 9/13

6:26 pm-8:09 pm

Nonstop1h 43m

New York John F Kennedy Intl

Tue 9/15

10:15 am-11:45 am

Nonstop1h 30m

$223

Washington, D.C.Newark

IAD Washington, D.C. Dulles Intl - EWR Newark

IADEWR

Washington, D.C. Dulles Intl

Wed 9/16

6:15 am-7:29 am

Nonstop1h 14m

Newark

Mon 9/21

8:00 pm-9:28 pm

Nonstop1h 28m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania (average of $239). Flying from Washington, D.C. Dulles Intl Airport to Pennsylvania in June is currently the most expensive (average of $491). 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?

Find hourly flight availability from Dulles Intl to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 9, 2026.

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 22% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Pennsylvania?

Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Pennsylvania flights typically cost between $487 and $590 in September.
The cheapest round-trip price found within the last 5 days was $167 on Frontier (Sep 11-Sep 14).

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Pennsylvania. Price data was last updated on August 8, 2026.

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. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated August 9, 2026.
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
7.4
Good
10,088 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.7

Comfort

7.3

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
7.4
Good
10,088 reviews
United Airlines
7.4
Good
10,088 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.7

Comfort

7.3

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
7.4
Good
10,088 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.7

Comfort

7.3

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

Find useful and relevant information for your journey from Dulles Intl to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 06m. Southern / Mokulele provides one of the quickest options available for as low as $191. 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: ANA (90%), Mesa Airlines (89%), Air China (77%).

  • 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 $238. On average you can expect to pay $409. The most popular route, (Washington, D.C. Dulles Intl - New York John F Kennedy Intl), can usually be booked for $207.

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania (average of $239). Flying from Washington, D.C. Dulles Intl Airport to Pennsylvania in June is currently the most expensive (average of $491). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
Reagan-National to Miami flights
Baltimore to Fort Lauderdale flights
Baltimore to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Dulles Intl to Seattle flights
Dulles Intl to Orlando flights
Dulles Intl to Las Vegas flights
Reagan-National to Orlando flights
Baltimore to Miami flights
Reagan-National to Dallas/Fort Worth flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to Miami flights
Baltimore to Orlando flights
Reagan-National to Seattle flights
Dulles Intl to Atlanta flights
Reagan-National to Los Angeles flights
Baltimore to Boston flights
Baltimore to Los Angeles flights
Baltimore to Las Vegas flights
Baltimore to Denver flights
Baltimore to Hobby flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to Denver flights
Reagan-National to Las Vegas flights
Dulles Intl to Los Angeles flights
Baltimore to Seattle flights
Dulles Intl to Tampa flights
Baltimore to Atlanta flights
Reagan-National to Atlanta flights
Reagan-National to Boston flights
Dulles Intl to San Francisco flights
Dulles Intl to Boston flights
Baltimore to San Francisco flights
Dulles Intl to Midway flights
Reagan-National to Hobby flights
Baltimore to Tampa flights
Dulles Intl to Sky Harbor Intl flights
Baltimore to Midway flights
Dulles Intl to Hobby flights
Reagan-National to San Francisco flights
Dulles Intl to New Orleans flights
Baltimore to George Bush Intcntl flights
Reagan-National to Tampa flights
Reagan-National to Nashville flights
Reagan-National to Denver flights
Reagan-National to Fort Lauderdale flights
Dulles Intl to San Diego flights
Baltimore to Detroit flights

Top 2 airlines flying from Dulles Intl to Pennsylvania

Discover the top 2 airlines that operate flights from Dulles Intl to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$78Average$142FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$175Average$368FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights