HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pennsylvania

$72+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHL
Aug 9 — Aug 161
Sun 8/9
Sun 8/16
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 July 10, 2026.

This Jettzy deal was found by Cheapflights users on 7/5. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Wed 8/1211:55 am
PIT
-
IAD
1 stop4h 18m
Southern / Mokulele
Deal found 7/5$142
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:20 am
IAD
-
PHL
1 stop6h 06m
Frontier
Sat 8/294:45 pm
PHL
-
IAD
1 stop6h 07m
Frontier
Deal found 7/9$147
This Kissandfly.com deal was found by Cheapflights users on 7/7. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Fri 8/2811:55 am
PIT
-
IAD
1 stop4h 18m
Southern / Mokulele
Deal found 7/7$148
This United Airlines deal was found by Cheapflights users on 7/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:05 pm
IAD
-
LGA
Nonstop1h 25m
United Airlines
Wed 8/126:00 am
LGA
-
IAD
Nonstop1h 23m
United Airlines
Deal found 7/8$149
This Trip.com deal was found by Cheapflights users on 7/6. 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.
Mon 7/2012:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Tue 7/2111:55 am
PIT
-
IAD
1 stop4h 18m
Southern / Mokulele
Deal found 7/6$150
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/196:20 am
IAD
-
PHL
1 stop6h 06m
Frontier
Wed 8/264:45 pm
PHL
-
IAD
1 stop6h 07m
Frontier
Deal found 7/8$152
This Trip.com deal was found by Cheapflights users on 7/6. 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 7/258:25 am
IAD
-
PIT
1 stop5h 57m
Southern / Mokulele
Tue 7/2811:55 am
PIT
-
IAD
1 stop4h 18m
Southern / Mokulele
Deal found 7/6$153
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:19 pm
IAD
-
JFK
Nonstop1h 41m
Delta
Wed 8/2610:14 am
JFK
-
IAD
Nonstop1h 35m
Delta
Deal found 7/8$157
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:05 pm
IAD
-
LGA
Nonstop1h 25m
United Airlines
Sun 8/26:00 am
LGA
-
IAD
Nonstop1h 26m
United Airlines
Deal found 7/7$157
This Delta deal was found by Cheapflights users on 7/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:19 pm
IAD
-
JFK
Nonstop1h 41m
Delta
Fri 8/284:40 pm
JFK
-
IAD
Nonstop1h 53m
Delta
Deal found 7/5$161
This Trip.com deal was found by Cheapflights users on 7/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:50 pm
IAD
-
PIT
1 stop4h 17m
Southern / Mokulele
Thu 8/1311:55 am
PIT
-
IAD
1 stop4h 18m
Southern / Mokulele
Deal found 7/7$163
This Trip.com deal was found by Cheapflights users on 7/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:25 am
IAD
-
PIT
1 stop5h 57m
Southern / Mokulele
Thu 8/1311:55 am
PIT
-
IAD
1 stop4h 18m
Southern / Mokulele
Deal found 7/7$164

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 July 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$142
(Jettzy)

One-way from

$72
(iWofly)

Popular in

March

Cheapest in

December

Average price

$359

Good round-trip deal

$112 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. 20% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 10, 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.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

Wed 8/5

8:19 am-9:48 am

Nonstop1h 29m

New York LaGuardia

Wed 8/5

2:51 pm-4:35 pm

Nonstop1h 44m

$149

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

Sat 8/8

7:59 pm-9:51 pm

Nonstop1h 52m

New York John F Kennedy Intl

Sat 8/15

10:14 am-11:49 am

Nonstop1h 35m

$157

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

Wed 8/19

7:19 pm-9:00 pm

Nonstop1h 41m

New York John F Kennedy Intl

Wed 8/26

10:14 am-11:49 am

Nonstop1h 35m

$157

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

Sat 8/15

12:29 pm-1:55 pm

Nonstop1h 26m

New York John F Kennedy Intl

Sat 8/22

10:14 am-11:49 am

Nonstop1h 35m

$157

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

Fri 8/28

12:29 pm-1:55 pm

Nonstop1h 26m

New York John F Kennedy Intl

Sat 9/5

5:23 pm-7:18 pm

Nonstop1h 55m

$161

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

Sun 8/2

8:19 am-9:48 am

Nonstop1h 29m

New York LaGuardia

Thu 8/6

6:05 am-7:31 am

Nonstop1h 26m

$165

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Wed 11/4

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Tue 11/10

11:55 am-4:13 pm

1 stop4h 18m

$169

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

Wed 8/19

8:18 am-9:39 am

Nonstop1h 21m

New York LaGuardia

Wed 8/19

7:29 pm-9:02 pm

Nonstop1h 33m

$179

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

Thu 9/3

7:15 pm-8:56 pm

Nonstop1h 41m

New York John F Kennedy Intl

Sun 9/6

10:14 am-11:49 am

Nonstop1h 35m

$182

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Sun 8/23

12:50 pm-5:07 pm

1 stop4h 17m

Pittsburgh

Sun 8/30

5:20 pm-7:18 am

1 stop13h 58m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania (average of $89). Flying from Washington, D.C. Dulles Intl Airport to Pennsylvania in January is currently the most expensive (average of $179). 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 July 10, 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 28% 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

Explore weekly flight availability from Dulles Intl to Pennsylvania. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 10, 2026.

The most flights from IAD to USPA are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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 July 4, 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 at noon 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 July 10, 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
9,968 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.7

Entertainment

7.1

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
9,968 reviews
United Airlines
7.4
Good
9,968 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.7

Entertainment

7.1

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
9,968 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.7

Entertainment

7.1

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 29m. United Airlines provides one of the quickest options available for as low as $149. The distance between Washington, D.C. Dulles Intl Airport and Pennsylvania is about 228 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 - Newark, Washington, D.C. Dulles Intl - New York John F Kennedy Intl or Washington, D.C. Dulles Intl - New York LaGuardia 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: Mesa Airlines (91%), Republic Airways (91%), ANA (89%).

  • 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 $239. On average you can expect to pay $491. The most popular route, (Washington, D.C. Dulles Intl - Newark), can usually be booked for $149.

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania (average of $89). Flying from Washington, D.C. Dulles Intl Airport to Pennsylvania in January is currently the most expensive (average of $179). 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 Miami flights
Dulles Intl to Seattle flights
Dulles Intl to Dallas/Fort Worth flights
Reagan-National to Miami flights
Baltimore to O'Hare Intl flights
Baltimore to Dallas/Fort Worth flights
Reagan-National to O'Hare Intl flights
Reagan-National to Dallas/Fort Worth flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to Las Vegas flights
Reagan-National to Seattle flights
Reagan-National to Los Angeles flights
Dulles Intl to Orlando flights
Dulles Intl to Los Angeles flights
Baltimore to Los Angeles flights
Baltimore to Miami flights
Reagan-National to Boston flights
Baltimore to Orlando flights
Dulles Intl to Denver flights
Baltimore to Fort Lauderdale flights
Baltimore to Hobby flights
Reagan-National to Las Vegas flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to Boston flights
Baltimore to Boston flights
Baltimore to Seattle flights
Baltimore to Las Vegas flights
Reagan-National to Fort Lauderdale flights
Reagan-National to Orlando flights
Reagan-National to San Francisco flights
Dulles Intl to San Francisco flights
Baltimore to Midway flights
Dulles Intl to Atlanta flights
Reagan-National to Atlanta flights
Dulles Intl to Midway flights
Baltimore to Denver flights
Baltimore to Atlanta flights
Baltimore to George Bush Intcntl flights
Baltimore to San Francisco flights
Dulles Intl to Tampa flights
Dulles Intl to Hobby flights
Reagan-National to Nashville flights
Reagan-National to Hobby flights
Dulles Intl to San Diego flights
Reagan-National to Minneapolis flights
Dulles Intl to Sky Harbor Intl flights
Baltimore to Detroit flights
Reagan-National to Midway flights
Dulles Intl to New Orleans flights
Baltimore to Nashville 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 July 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$78Average$137FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$175Average$354FlexibilityNo 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.