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$55+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHL
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
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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 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$91
(Delta)

One-way from

$55
(Delta)

Popular in

August

Cheapest in

December

Average price

$246

Good round-trip deal

$144 or less

Good one-way deal

$50 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. 11% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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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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 21, 2025.

This Delta deal was found by Cheapflights users on 3/20. 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.
Sat 4/128:25 pmIAD - JFK
Nonstop1h 35mDelta
Tue 4/156:12 pmJFK - IAD
Nonstop1h 41mDelta
Deal found 3/20$91
This United Airlines deal was found by Cheapflights users on 3/20. 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 4/1210:10 pmIAD - LGA
Nonstop1h 20mUnited Airlines
Tue 4/156:00 amLGA - IAD
Nonstop1h 27mUnited Airlines
Deal found 3/20$91
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sun 4/1310:25 pmIAD - EWR
Nonstop1h 19mUnited Airlines
Thu 4/171:10 pmEWR - IAD
Nonstop1h 23mUnited Airlines
Deal found 3/20$118
This Frontier deal was found by Cheapflights users on 3/19. 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.
Sat 3/2910:25 pmIAD - JFK
1 stop11h 35mFrontier
Wed 6/186:15 amJFK - IAD
1 stop10h 02mFrontier
Deal found 3/19$160
This Frontier deal was found by Cheapflights users on 3/19. 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 4/163:19 pmIAD - LGA
1 stop5h 40mFrontier
Wed 4/306:30 amLGA - IAD
1 stop7h 52mFrontier
Deal found 3/19$162
This FlightHub deal was found by Cheapflights users on 3/20. 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.
Fri 4/188:25 amIAD - PIT
1 stop6h 03mSouthern / Mokulele
Sat 4/192:55 pmPIT - IAD
1 stop20h 40mSouthern / Mokulele
Deal found 3/20$171
This Delta deal was found by Cheapflights users on 3/20. 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 4/295:32 pmIAD - EWR
1 stop7h 24mDelta
Tue 5/65:59 amEWR - IAD
1 stop5h 24mDelta
Deal found 3/20$177
This United Airlines deal was found by Cheapflights users on 3/20. 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 4/1810:15 pmIAD - PIT
Nonstop1h 06mUnited Airlines
Fri 4/2510:23 amPIT - IAD
Nonstop1h 07mUnited Airlines
Deal found 3/20$179
This United Airlines deal was found by Cheapflights users on 3/20. 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 7/1110:35 pmIAD - AVP
Nonstop1h 08mUnited Airlines
Sun 7/1310:05 amAVP - IAD
Nonstop1h 09mUnited Airlines
Deal found 3/20$179
This Frontier deal was found by Cheapflights users on 3/20. 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.
Fri 7/185:02 pmIAD - EWR
1 stop7h 35mFrontier
Wed 7/2311:00 amEWR - IAD
1 stop5h 17mFrontier
Deal found 3/20$179
This United Airlines deal was found by Cheapflights users on 3/20. 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 5/38:35 amIAD - PHL
Nonstop1h 10mUnited Airlines
Sun 5/46:15 amPHL - IAD
Nonstop1h 06mUnited Airlines
Deal found 3/20$179
This Mytrip deal was found by Cheapflights users on 3/19. 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.
Fri 4/412:55 pmIAD - EWR
2 stops18h 31mMultiple Airlines
Sun 4/611:05 pmEWR - IAD
2 stops12h 15mMultiple Airlines
Deal found 3/19$191

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 21, 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

Sat 4/12

8:25 pm-10:00 pm

Nonstop1h 35m

New York John F Kennedy Intl

Tue 4/15

6:12 pm-7:53 pm

Nonstop1h 41m

$91

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

Sat 4/12

10:10 pm-11:30 pm

Nonstop1h 20m

New York LaGuardia

Tue 4/15

6:00 am-7:27 am

Nonstop1h 27m

$91

Washington, D.C.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

Sun 4/13

10:25 pm-11:44 pm

Nonstop1h 19m

Newark

Thu 4/17

1:10 pm-2:33 pm

Nonstop1h 23m

$118

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

Tue 4/1

8:44 pm-7:29 am

1 stop10h 45m

New York John F Kennedy Intl

Tue 6/17

11:10 am-5:22 pm

1 stop6h 12m

$160

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

Wed 4/16

3:19 pm-8:59 pm

1 stop5h 40m

New York LaGuardia

Wed 4/30

6:30 am-2:22 pm

1 stop7h 52m

$162

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Fri 4/18

8:25 am-2:28 pm

1 stop6h 03m

Pittsburgh

Sat 4/19

2:55 pm-11:35 am

1 stop20h 40m

$171

Washington, D.C.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

Tue 4/29

5:32 pm-12:56 am

1 stop7h 24m

Newark

Wed 5/7

5:59 am-11:44 am

1 stop5h 45m

$177

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Fri 4/18

10:15 pm-11:21 pm

Nonstop1h 06m

Pittsburgh

Fri 4/25

10:23 am-11:30 am

Nonstop1h 07m

$179

Washington, D.C.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

Fri 7/18

5:02 pm-12:37 am

1 stop7h 35m

Newark

Wed 7/23

11:00 am-4:17 pm

1 stop5h 17m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Sat 5/3

8:35 am-9:45 am

Nonstop1h 10m

Philadelphia

Sat 5/10

10:44 am-11:50 am

Nonstop1h 06m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 60 results
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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
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 21, 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.

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 March 21, 2025.

The most flights from IAD to USPA are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

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 21, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Pennsylvania, such as Alaska Airlines, Delta and Hawaiian Airlines. 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
9,759 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

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
9,759 reviews
Alaska Airlines
8.0
Very good
9,759 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

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
7,895 reviews
Alaska Airlines
8.0
Very good
9,759 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

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
Hawaiian Airlines
7.9
Good
2,325 reviews
Alaska Airlines
8.0
Very good
9,759 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

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
9,759 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

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
8,605 reviews
Alaska Airlines
8.0
Very good
9,759 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

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 Delta ($55), United Airlines ($55), and Southern / Mokulele ($61).

  • 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 $179. On average you can expect to pay $778. The most popular route, (Washington, D.C. Dulles Intl - New York John F Kennedy Intl), can usually be booked for $100.

  • 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

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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
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Reagan-National to Miami flights
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Reagan-National to Seattle flights
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Reagan-National to San Francisco flights
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Reagan-National to Denver flights
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Reagan-National to Atlanta flights
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Baltimore to Atlanta flights
Reagan-National to Boston flights
Reagan-National to Hobby flights
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Dulles Intl to Seattle flights
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Dulles Intl to Sky Harbor Intl flights
Reagan-National to Orlando flights
Baltimore to George Bush Intcntl flights
Baltimore to Boston flights
Baltimore to Tampa flights
Reagan-National to San Diego flights
Reagan-National to George Bush Intcntl flights
Baltimore to San Francisco flights
Dulles Intl to Midway flights
Reagan-National to Nashville flights
Dulles Intl to Salt Lake City 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$112Average$142FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$118Average$267FlexibilityNo cancel feeOn-time69%
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