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$57+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHL
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$124
(Priceline)

One-way from

$57
(iWofly)

Popular in

August

Cheapest in

April

Average price

$538

Good round-trip deal

$146 or less

Good one-way deal

$57 or less
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. 22% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 15% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 30, 2025.

This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:37 pmIAD - EWR
1 stop7h 00mFrontier
Thu 9/45:55 amEWR - IAD
1 stop6h 51mFrontier
Deal found 6/29$124
This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:37 pmIAD - JFK
1 stop7h 19mFrontier
Thu 9/46:15 amJFK - IAD
1 stop6h 31mFrontier
Deal found 6/29$124
This United Airlines deal was found by Cheapflights users on 6/29. 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 7/2710:30 pmIAD - EWR
Nonstop1h 20mUnited Airlines
Sun 8/39:00 pmEWR - IAD
Nonstop1h 28mUnited Airlines
Deal found 6/29$129
This Delta deal was found by Cheapflights users on 6/29. 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.
Thu 8/148:23 pmIAD - JFK
Nonstop1h 39mDelta
Thu 8/2110:30 amJFK - IAD
Nonstop1h 32mDelta
Deal found 6/29$129
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 8/710:15 pmIAD - LGA
Nonstop1h 24mUnited Airlines
Thu 8/216:00 amLGA - IAD
Nonstop1h 30mUnited Airlines
Deal found 6/28$129
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:41 pmIAD - LGA
1 stop9h 50mFrontier
Mon 9/296:30 amLGA - IAD
1 stop6h 16mFrontier
Deal found 6/30$135
This Frontier deal was found by Cheapflights users on 6/29. 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.
Thu 8/145:59 pmIAD - PHL
1 stop6h 45mFrontier
Thu 8/215:40 amPHL - IAD
1 stop10h 50mFrontier
Deal found 6/29$161
This Southern / Mokulele deal was found by Cheapflights users on 6/28. 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.
Wed 7/25:40 pmIAD - PIT
1 stop3h 49mSouthern / Mokulele
Mon 7/711:55 amPIT - IAD
1 stop4h 20mSouthern / Mokulele
Deal found 6/28$179
This United Airlines deal was found by Cheapflights users on 6/28. 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 7/123:30 pmIAD - PIT
Nonstop1h 08mUnited Airlines
Sat 8/28:05 pmPIT - IAD
Nonstop1h 13mUnited Airlines
Deal found 6/28$184
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 8/1410:05 pmIAD - PHL
Nonstop1h 09mUnited Airlines
Sun 8/176:05 amPHL - IAD
Nonstop1h 10mUnited Airlines
Deal found 6/27$187
This Mytrip deal was found by Cheapflights users on 6/28. 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.
Thu 8/1411:04 amIAD - EWR
2 stops22h 22mMultiple Airlines
Sun 8/1712:00 pmEWR - IAD
1 stop8h 22mMultiple Airlines
Deal found 6/28$209
This Delta deal was found by Cheapflights users on 6/29. 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 7/126:00 amIAD - PIT
1 stop5h 13mDelta
Sat 7/197:02 amPIT - IAD
1 stop5h 00mDelta
Deal found 6/29$214

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 June 30, 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.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

Sat 8/30

5:37 pm-12:37 am

1 stop7h 00m

Newark

Thu 9/4

5:55 am-12:46 pm

1 stop6h 51m

$124

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

Sat 8/30

5:37 pm-12:56 am

1 stop7h 19m

New York John F Kennedy Intl

Thu 9/4

6:15 am-12:46 pm

1 stop6h 31m

$124

Washington, D.C.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

Sun 7/27

6:16 am-7:30 am

Nonstop1h 14m

Newark

Sun 7/27

9:00 pm-10:28 pm

Nonstop1h 28m

$129

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

Thu 8/14

8:23 pm-10:02 pm

Nonstop1h 39m

New York John F Kennedy Intl

Thu 8/21

10:30 am-12:02 pm

Nonstop1h 32m

$129

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

Thu 8/7

10:15 pm-11:39 pm

Nonstop1h 24m

New York LaGuardia

Thu 8/21

6:00 am-7:30 am

Nonstop1h 30m

$129

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

Fri 9/26

1:41 pm-11:31 pm

1 stop9h 50m

New York LaGuardia

Mon 9/29

6:30 am-12:46 pm

1 stop6h 16m

$135

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 8/14

5:59 pm-12:44 am

1 stop6h 45m

Philadelphia

Thu 8/21

5:40 am-4:30 pm

1 stop10h 50m

$161

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Fri 7/25

8:30 am-9:38 am

Nonstop1h 08m

Pittsburgh

Mon 7/28

1:30 pm-2:43 pm

Nonstop1h 13m

$179

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Thu 7/31

12:55 pm-5:13 pm

1 stop4h 18m

Pittsburgh

Sun 8/3

5:20 pm-9:09 pm

1 stop3h 49m

$183

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 8/14

10:05 pm-11:14 pm

Nonstop1h 09m

Philadelphia

Sun 8/17

6:05 am-7:15 am

Nonstop1h 10m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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 June 30, 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 June 30, 2025.

The most flights from IAD to USPA are scheduled on a Tuesday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (9 on average).

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 June 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines 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.
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
711 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 ($57), Frontier ($57), and United Airlines ($65).

  • 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: Sun Country Air (100%), Ethiopian Air (80%), ANA (80%).

  • 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 $218. On average you can expect to pay $948. The most popular route, (Washington, D.C. Dulles Intl - New York John F Kennedy Intl), can usually be booked for $129.

  • 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.
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Dulles Intl to Dallas/Fort Worth flights
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Reagan-National to Miami flights
Reagan-National to Boston flights
Reagan-National to Los Angeles flights
Baltimore to Atlanta flights
Baltimore to Fort Lauderdale flights
Baltimore to Orlando flights
Baltimore to Boston flights
Baltimore to Hobby flights
Dulles Intl to San Francisco flights
Reagan-National to Dallas/Fort Worth flights
Baltimore to Midway flights
Baltimore to Denver flights
Dulles Intl to Fort Lauderdale flights
Reagan-National to San Francisco flights
Dulles Intl to Midway flights
Reagan-National to Orlando flights
Baltimore to Los Angeles flights
Reagan-National to Atlanta flights
Reagan-National to Las Vegas flights
Baltimore to San Francisco flights
Dulles Intl to Tampa flights
Dulles Intl to Hobby flights
Baltimore to Tampa flights
Reagan-National to Fort Lauderdale flights
Reagan-National to Denver flights
Dulles Intl to San Diego flights
Reagan-National to Hobby flights
Dulles Intl to Denver flights
Reagan-National to Minneapolis flights
Dulles Intl to George Bush Intcntl flights
Dulles Intl to Ontario flights
Dulles Intl to Minneapolis flights
Reagan-National to Midway flights
Dulles Intl to John F Kennedy Intl 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$112Average$146FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$281FlexibilityNo cancel feeOn-time69%

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