HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pennsylvania

$46+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHL
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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

Keep the following information in mind while searching for Dulles Intl to Pennsylvania flight deals. Data was last updated March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$91
(Delta)

One-way from

$61
(Trip.com)

Popular in

August

Cheapest in

December

Average price

$246

Good round-trip deal

$144 or less

Good one-way deal

$53 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. 11% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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

Find 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 March 26, 2025.

This Delta deal was found by Cheapflights users on 3/23. 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.
Tue 5/68:33 pmIAD - JFK
Nonstop1h 34mDelta
Tue 5/1310:13 amJFK - IAD
Nonstop1h 32mDelta
Deal found 3/23$91
This United Airlines deal was found by Cheapflights users on 3/25. 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 5/78:21 amIAD - LGA
Nonstop1h 26mUnited Airlines
Wed 5/146:00 amLGA - IAD
Nonstop1h 27mUnited Airlines
Deal found 3/25$91
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Mon 4/1410:25 pmIAD - EWR
Nonstop1h 19mUnited Airlines
Wed 4/167:29 pmEWR - IAD
Nonstop1h 29mUnited Airlines
Deal found 3/25$109
This Frontier deal was found by Cheapflights users on 3/25. 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 4/15:54 pmIAD - JFK
1 stop6h 49mFrontier
Tue 4/86:00 amJFK - IAD
1 stop11h 04mFrontier
Deal found 3/25$160
This Frontier deal was found by Cheapflights users on 3/25. 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 5/611:47 amIAD - LGA
1 stop11h 16mFrontier
Wed 5/76:30 amLGA - IAD
1 stop8h 20mFrontier
Deal found 3/25$160
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/225:40 pmIAD - EWR
2 stops28h 54mMultiple Airlines
Thu 4/246:43 pmEWR - IAD
2 stops16h 37mMultiple Airlines
Deal found 3/25$170
This Delta deal was found by Cheapflights users on 3/25. 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.
Tue 5/65:23 pmIAD - EWR
1 stop5h 36mDelta
Wed 5/79:46 amEWR - IAD
1 stop6h 58mDelta
Deal found 3/25$177
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Fri 5/23:45 pmIAD - PIT
Nonstop1h 05mUnited Airlines
Mon 5/57:50 pmPIT - IAD
Nonstop1h 07mUnited Airlines
Deal found 3/25$179
This United Airlines deal was found by Cheapflights users on 3/24. 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 5/312:50 pmIAD - AVP
Nonstop1h 12mUnited Airlines
Sun 5/43:00 pmAVP - IAD
Nonstop1h 16mUnited Airlines
Deal found 3/24$179
This United Airlines deal was found by Cheapflights users on 3/24. 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 4/238:40 amIAD - PHL
Nonstop1h 10mUnited Airlines
Sat 4/266:15 amPHL - IAD
Nonstop1h 06mUnited Airlines
Deal found 3/24$179
This Frontier deal was found by Cheapflights users on 3/24. 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.
Wed 4/93:19 pmIAD - EWR
1 stop5h 41mFrontier
Wed 4/1610:00 pmEWR - IAD
1 stop10h 36mFrontier
Deal found 3/24$189
This Delta deal was found by Cheapflights users on 3/24. 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.
Tue 5/208:33 pmIAD - PIT
1 stop15h 18mDelta
Sat 5/244:30 pmPIT - IAD
1 stop4h 38mDelta
Deal found 3/24$190

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 March 26, 2025.
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

Dulles Intl

Fly to

Pennsylvania

Route

Depart

Return

Price

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

Tue 5/6

8:33 pm-10:07 pm

Nonstop1h 34m

New York John F Kennedy Intl

Tue 5/13

10:13 am-11:45 am

Nonstop1h 32m

$91

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

Wed 5/7

8:21 am-9:47 am

Nonstop1h 26m

New York LaGuardia

Wed 5/14

6:00 am-7:27 am

Nonstop1h 27m

$91

Washington, D.C.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

Mon 4/14

10:25 pm-11:44 pm

Nonstop1h 19m

Newark

Wed 4/16

7:29 pm-8:58 pm

Nonstop1h 29m

$109

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

Tue 4/1

5:54 pm-12:43 am

1 stop6h 49m

New York John F Kennedy Intl

Tue 4/8

6:00 am-5:04 pm

1 stop11h 04m

$160

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

Tue 5/6

11:47 am-11:03 pm

1 stop11h 16m

New York LaGuardia

Wed 5/7

6:30 am-2:50 pm

1 stop8h 20m

$160

Washington, D.C.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

Tue 4/22

5:40 pm-10:34 pm

2 stops28h 54m

Newark

Thu 4/24

6:43 pm-11:20 am

2 stops16h 37m

$170

Washington, D.C.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

Tue 5/6

5:23 pm-10:59 pm

1 stop5h 36m

Newark

Wed 5/7

9:46 am-4:44 pm

1 stop6h 58m

$177

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Fri 5/2

3:45 pm-4:50 pm

Nonstop1h 05m

Pittsburgh

Mon 5/5

7:50 pm-8:57 pm

Nonstop1h 07m

$179

Washington, D.C.Scranton

IAD - AVP

IADAVP

Washington, D.C. Dulles Intl

Sat 5/3

12:50 pm-2:02 pm

Nonstop1h 12m

Wilkes-Barre Scranton

Sun 5/4

3:00 pm-4:16 pm

Nonstop1h 16m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Wed 4/23

8:40 am-9:50 am

Nonstop1h 10m

Philadelphia

Sat 4/26

6:15 am-7:21 am

Nonstop1h 06m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 60 results
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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania (average of $236). Flying from Washington, D.C. Dulles Intl Airport to Pennsylvania in March is currently the most expensive (average of $295). 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 March 26, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Pennsylvania, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Pennsylvania ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Pennsylvania when rainfall is around 2.7 in.

Temperature in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Pennsylvania, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 March 26, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Pennsylvania, such as Alaska Airlines, Delta and Qatar Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,789 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,789 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,891 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Qatar Airways
7.4
Good
3,539 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,608 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Pennsylvania one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Pennsylvania are Southern / Mokulele ($61), United Airlines ($63), and Delta ($64).

  • 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 (87%), Air China (87%), GoJet (84%).

  • 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 $209. On average you can expect to pay $466. The most popular route, (Washington, D.C. Dulles Intl - New York John F Kennedy Intl), can usually be booked for $91.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania (average of $236). Flying from Washington, D.C. Dulles Intl Airport to Pennsylvania in March is currently the most expensive (average of $295). 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
Dulles Intl to Miami flights
Baltimore to Dallas/Fort Worth flights
Dulles Intl to Las Vegas flights
Reagan-National to Miami flights
Reagan-National to Los Angeles flights
Dulles Intl to Orlando flights
Reagan-National to Dallas/Fort Worth flights
Baltimore to Fort Lauderdale flights
Dulles Intl to Seattle flights
Dulles Intl to Los Angeles flights
Reagan-National to Las Vegas flights
Baltimore to Miami flights
Dulles Intl to Fort Lauderdale flights
Reagan-National to Seattle flights
Dulles Intl to Hobby flights
Baltimore to Hobby flights
Reagan-National to San Francisco flights
Dulles Intl to Atlanta flights
Reagan-National to Boston flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to San Francisco flights
Baltimore to Las Vegas flights
Dulles Intl to Tampa flights
Baltimore to O'Hare Intl flights
Dulles Intl to Denver flights
Baltimore to Seattle flights
Dulles Intl to Boston flights
Baltimore to Denver flights
Reagan-National to O'Hare Intl flights
Baltimore to Los Angeles flights
Reagan-National to Hobby flights
Baltimore to Orlando flights
Baltimore to San Francisco flights
Dulles Intl to George Bush Intcntl flights
Reagan-National to Orlando flights
Baltimore to Boston flights
Dulles Intl to Sky Harbor Intl flights
Reagan-National to Denver flights
Dulles Intl to New Orleans flights
Baltimore to Atlanta flights
Reagan-National to Atlanta flights
Dulles Intl to Austin flights
Dulles Intl to Nashville flights
Dulles Intl to Charleston flights
Baltimore to George Bush Intcntl flights
Reagan-National to Fort Lauderdale flights
Reagan-National to Nashville flights
Reagan-National to Tampa flights
Baltimore to Tampa 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$112Average$141FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$118Average$262FlexibilityNo 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.