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$63+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 12, 2025.

Round-trip from

$129
(United Airlines)

One-way from

$65
(United Airlines)

Popular in

August

Cheapest in

April

Average price

$538

Good round-trip deal

$146 or less

Good one-way deal

$62 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 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 7/86:15 amIAD - EWR
Nonstop1h 14mUnited Airlines
Tue 7/158:59 pmEWR - IAD
Nonstop1h 28mUnited Airlines
Deal found 6/10$129
This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 7/148:31 pmIAD - JFK
Nonstop1h 38mDelta
Thu 7/1710:30 amJFK - IAD
Nonstop1h 32mDelta
Deal found 6/11$129
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/45:10 pmIAD - LGA
Nonstop1h 33mUnited Airlines
Tue 7/810:29 amLGA - IAD
Nonstop1h 24mUnited Airlines
Deal found 6/11$129
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Mon 7/284:46 pmIAD - EWR
1 stop16h 19mAllegiant Air
Thu 7/319:55 amEWR - IAD
1 stop23h 28mAllegiant Air
Deal found 6/10$164
This Frontier deal was found by Cheapflights users on 6/10. 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 8/285:08 pmIAD - EWR
1 stop7h 35mFrontier
Sun 8/3111:00 amEWR - IAD
1 stop5h 23mFrontier
Deal found 6/10$176
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:08 pmIAD - LGA
1 stop6h 24mFrontier
Mon 9/156:30 amLGA - IAD
1 stop9h 43mFrontier
Deal found 6/9$178
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/1010:30 pmIAD - MDT
Nonstop1h 00mUnited Airlines
Thu 7/172:41 pmMDT - IAD
Nonstop0h 56mUnited Airlines
Deal found 6/11$179
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/108:15 amIAD - PIT
Nonstop1h 06mUnited Airlines
Sat 7/126:15 amPIT - IAD
Nonstop1h 13mUnited Airlines
Deal found 6/11$179
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/38:45 amIAD - PHL
Nonstop1h 10mUnited Airlines
Sun 7/66:05 amPHL - IAD
Nonstop1h 10mUnited Airlines
Deal found 6/10$179
This CheapOair deal was found by Cheapflights users on 6/11. 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 8/212:50 pmIAD - PIT
1 stop25h 38mSouthern / Mokulele
Sun 8/35:40 pmPIT - IAD
1 stop17h 40mSouthern / Mokulele
Deal found 6/11$181
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Thu 9/2512:55 pmIAD - PIT
1 stop4h 18mMultiple Airlines
Mon 9/296:15 amPIT - IAD
Nonstop1h 14mMultiple Airlines
Deal found 6/12$186
This Mytrip deal was found by Cheapflights users on 6/10. 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 6/274:54 pmIAD - EWR
1 stop16h 11mMultiple Airlines
Sat 6/282:18 pmEWR - IAD
1 stop6h 34mMultiple Airlines
Deal found 6/10$188

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 12, 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

Tue 7/8

6:15 am-7:29 am

Nonstop1h 14m

Newark

Tue 7/15

8:59 pm-10:27 pm

Nonstop1h 28m

$129

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

Mon 7/14

8:31 pm-10:09 pm

Nonstop1h 38m

New York John F Kennedy Intl

Mon 7/21

10:30 am-12:02 pm

Nonstop1h 32m

$129

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

Fri 7/4

12:42 pm-2:18 pm

Nonstop1h 36m

New York LaGuardia

Fri 7/11

10:29 am-11:53 am

Nonstop1h 24m

$129

Washington, D.C.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

Mon 7/28

4:46 pm-9:05 am

1 stop16h 19m

Newark

Thu 7/31

9:55 am-9:23 am

1 stop23h 28m

$164

Washington, D.C.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

Thu 8/28

5:08 pm-12:43 am

1 stop7h 35m

Newark

Sun 8/31

11:00 am-4:23 pm

1 stop5h 23m

$176

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

Thu 9/11

5:08 pm-11:32 pm

1 stop6h 24m

New York LaGuardia

Mon 9/15

6:30 am-4:13 pm

1 stop9h 43m

$178

Washington, D.C.Harrisburg

IAD - MDT

IADMDT

Washington, D.C. Dulles Intl

Thu 7/10

10:30 pm-11:30 pm

Nonstop1h 00m

Harrisburg

Thu 7/17

2:41 pm-3:37 pm

Nonstop0h 56m

$179

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Thu 7/10

8:15 am-9:21 am

Nonstop1h 06m

Pittsburgh

Sat 7/12

6:15 am-7:28 am

Nonstop1h 13m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 7/3

8:45 am-9:55 am

Nonstop1h 10m

Philadelphia

Sun 7/6

6:05 am-7:15 am

Nonstop1h 10m

$179

Washington, D.C.Pittsburgh

IAD - PIT

IADPIT

Washington, D.C. Dulles Intl

Sat 8/2

12:50 pm-2:28 pm

1 stop25h 38m

Pittsburgh

Sun 8/3

5:40 pm-11:20 am

1 stop17h 40m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 12, 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 12, 2025.

The most flights from IAD to USPA are scheduled on a Tuesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 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 June 12, 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
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Qatar Airways
7.4
Good
3,584 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 United Airlines ($65), Delta ($65), and Southern / Mokulele ($70).

  • 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 (83%), CommutAir (79%).

  • 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 $404. On average you can expect to pay $789. 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.

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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 Seattle flights
Dulles Intl to Los Angeles flights
Reagan-National to Los Angeles flights
Baltimore to Dallas/Fort Worth flights
Reagan-National to Seattle flights
Baltimore to Fort Lauderdale flights
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Reagan-National to Boston flights
Dulles Intl to Miami flights
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Reagan-National to San Francisco flights
Dulles Intl to Orlando flights
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Baltimore to Orlando flights
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Baltimore to Atlanta flights
Reagan-National to Atlanta flights
Reagan-National to Dallas/Fort Worth flights
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Dulles Intl to Tampa flights
Dulles Intl to Denver flights
Dulles Intl to Hobby flights
Reagan-National to Fort Lauderdale flights
Dulles Intl to San Diego flights
Reagan-National to Denver flights
Dulles Intl to Honolulu flights
Reagan-National to Hobby flights
Reagan-National to San Diego flights
Baltimore to New Orleans flights
Dulles Intl to New Orleans flights
Baltimore to George Bush Intcntl flights
Reagan-National to Portland flights
Dulles Intl to Portland flights
Reagan-National to Minneapolis 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$112Average$139FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$118Average$267FlexibilityNo cancel feeOn-time69%

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