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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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHL
nov. 15 — nov. 221
sáb. 11/15
sáb. 11/22
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 octubre 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$116
(Kiwi.com)

One-way from

$57
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$407

Good round-trip deal

$88 or less

Good one-way deal

$65 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Philadelphia flight deals.
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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. 13% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
mié. 11/58:40 amIAD - LGA
1 stop7h 47mFrontier
sáb. 11/81:20 pmLGA - IAD
1 stop10h 35mFrontier
Deal found 10/16$116
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
mar. 11/118:40 amIAD - JFK
1 stop15h 53mFrontier
mar. 11/1810:00 amJFK - IAD
1 stop10h 20mFrontier
Deal found 10/16$117
This United Airlines deal was found by Cheapflights users on 10/15. 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.
sáb. 11/110:12 pmIAD - LGA
Nonstop1h 18mUnited Airlines
dom. 11/25:00 amLGA - IAD
Nonstop1h 27mUnited Airlines
Deal found 10/15$117
This eDestinos deal was found by Cheapflights users on 10/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/155:58 amIAD - JFK
1 stop27h 06mFrontier
mar. 11/186:20 amJFK - IAD
1 stop14h 00mFrontier
Deal found 10/15$118
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
jue. 11/136:00 amIAD - LGA
1 stop5h 29mFrontier
sáb. 11/151:20 pmLGA - IAD
1 stop10h 35mFrontier
Deal found 10/15$118
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
vie. 10/316:00 amIAD - JFK
1 stop18h 33mFrontier
sáb. 11/19:00 amJFK - IAD
1 stop14h 55mFrontier
Deal found 10/15$121
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
mié. 11/58:40 amIAD - LGA
1 stop7h 47mFrontier
vie. 11/74:30 pmLGA - IAD
1 stop7h 41mFrontier
Deal found 10/15$121
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
vie. 11/146:00 amIAD - LGA
1 stop13h 30mFrontier
mié. 11/1912:30 pmLGA - IAD
1 stop7h 50mFrontier
Deal found 10/15$122
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
mar. 10/288:47 amIAD - JFK
1 stop15h 46mFrontier
mar. 11/46:20 amJFK - IAD
1 stop14h 00mFrontier
Deal found 10/15$123
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
mar. 10/288:47 amIAD - LGA
1 stop13h 34mFrontier
mar. 11/412:30 pmLGA - IAD
1 stop7h 50mFrontier
Deal found 10/15$123
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
vie. 10/316:00 amIAD - JFK
1 stop18h 33mFrontier
vie. 11/710:00 amJFK - IAD
1 stop14h 11mFrontier
Deal found 10/16$124
This United Airlines deal was found by Cheapflights users on 10/15. 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.
lun. 11/310:12 pmIAD - LGA
Nonstop1h 18mUnited Airlines
mié. 11/122:55 pmLGA - IAD
Nonstop1h 27mUnited Airlines
Deal found 10/15$124

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 octubre 16, 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 - LGA

IADLGA

Washington, D.C. Dulles Intl

sáb. 12/6

12:40 pm-2:14 pm

Nonstop1h 34m

New York LaGuardia

mar. 12/9

6:00 am-7:27 am

Nonstop1h 27m

$117

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

sáb. 11/1

5:10 pm-6:44 pm

Nonstop1h 34m

New York LaGuardia

dom. 11/2

5:00 am-6:27 am

Nonstop1h 27m

$117

Washington, D.C.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

lun. 12/1

6:00 am-7:13 am

Nonstop1h 13m

Newark

mar. 12/2

7:48 pm-9:21 pm

Nonstop1h 33m

$129

Washington, D.C.Newark

IAD - EWR

IADEWR

Washington, D.C. Dulles Intl

vie. 11/14

6:00 am-7:13 am

Nonstop1h 13m

Newark

dom. 11/16

9:34 pm-10:58 pm

Nonstop1h 24m

$132

Washington, D.C.New York

IAD - LGA

IADLGA

Washington, D.C. Dulles Intl

jue. 10/30

10:12 pm-11:30 pm

Nonstop1h 18m

New York LaGuardia

dom. 11/2

5:00 am-6:27 am

Nonstop1h 27m

$135

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

jue. 11/6

12:09 pm-1:29 pm

Nonstop1h 20m

New York John F Kennedy Intl

mar. 11/11

5:40 pm-7:08 pm

Nonstop1h 28m

$137

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

mar. 3/3

7:59 pm-9:30 pm

Nonstop1h 31m

New York John F Kennedy Intl

mié. 3/4

10:30 am-11:53 am

Nonstop1h 23m

$137

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

vie. 11/28

7:49 pm-9:18 pm

Nonstop1h 29m

New York John F Kennedy Intl

vie. 12/5

5:46 pm-7:19 pm

Nonstop1h 33m

$137

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

mar. 11/4

12:09 pm-1:29 pm

Nonstop1h 20m

New York John F Kennedy Intl

jue. 11/6

10:30 am-11:57 am

Nonstop1h 27m

$137

Washington, D.C.New York

IAD - JFK

IADJFK

Washington, D.C. Dulles Intl

mar. 11/11

7:49 pm-9:18 pm

Nonstop1h 29m

New York John F Kennedy Intl

mar. 11/18

10:07 am-11:31 am

Nonstop1h 24m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania (average of $113). Flying from Washington, D.C. Dulles Intl Airport to Pennsylvania in May is currently the most expensive (average of $158). 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 octubre 16, 2025.

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 12% on the cost of your flight, compared to a flight in the afternoon.

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 December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Pennsylvania flight should consider departing on Sunday 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.

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 octubre 16, 2025.

The most flights from IAD to USPA are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 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 octubre 16, 2025.
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
8,979 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.
United Airlines
7.4
Good
8,979 reviews
United Airlines
7.4
Good
8,979 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.
Southern / Mokulele
6.2
Okay
26 reviews
United Airlines
7.4
Good
8,979 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.

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 20m. United Airlines provides one of the quickest options available for as low as $137. The distance between Washington, D.C. Dulles Intl Airport and Pennsylvania is about 227 mi. This flight may include one or multiple stops.

  • 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 ($58), Frontier ($62), and Delta ($69).

  • 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: CommutAir (100%), Ethiopian Air (100%), ANA (87%).

  • 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 $189. On average you can expect to pay $587. The most popular route, (Washington, D.C. Dulles Intl - New York John F Kennedy Intl), can usually be booked for $137.

  • 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pennsylvania (average of $113). Flying from Washington, D.C. Dulles Intl Airport to Pennsylvania in May is currently the most expensive (average of $158). 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 Dallas/Fort Worth flights
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Reagan-National to Fort Lauderdale flights
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Reagan-National to Nashville flights
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Dulles Intl to Nashville flights
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Reagan-National to Sky Harbor 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 octubre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$78Average$164FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$169Average$326FlexibilityNo cancel feeOn-time69%

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