What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Philadelphia round-trip?

United Airlines, at $181, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Philadelphia.Alternate airlines to your destination round-trip include Frontier and American Airlines. Users have found that United Airlines is 55% cheaper than the other options available to this destination.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Philadelphia?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Philadelphia flight should consider departing on Thursday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Philadelphia?

The cheapest flight price from Washington, D.C. Dulles Intl Airport to Philadelphia is $179. On average you can expect to pay $1,173. The most popular route, (Washington, D.C. Dulles Intl - Philadelphia), can usually be booked for $179.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Philadelphia?

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Philadelphia. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Philadelphia?

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, January can be a great choice for travel to Philadelphia. Flights to Philadelphia from Washington, D.C. Dulles Intl Airport in January are about $366 on average during January, but can be found for as low as $159.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Philadelphia flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Philadelphia from Washington, D.C. Dulles Intl?

Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Philadelphia. 1 airline have flights to Philadelphia from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Philadelphia should not be difficult; the airport handles an average of 7 inbound flights from Washington, D.C. Dulles Intl per day.

Can I find deals for flights from Dulles Intl to Philadelphia that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Philadelphia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Philadelphia.

Can I find deals for business class flights from Dulles Intl to Philadelphia?

Yes. Cheapflights offers flight deals from Dulles Intl to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$181+ Flights from Washington, D.C. Dulles Intl Airport to Philadelphia

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Cheap flight deals from Dulles Intl to Philadelphia

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$181 (United Airlines)
Popular in	April
Cheapest in	February
Average price	$467

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Philadelphia flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Philadelphia flights.

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From Washington, D.C. Dulles Intl to Philadelphia

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High demand for flights, 34% potential price rise

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Best time to find cheap flights, 8% potential price drop

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Average for round-trip flights in January 2025

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Find flight deals from Dulles Intl to Philadelphia

Cheapest flights from Dulles Intl to Philadelphia
Explore the most affordable flight options available from Dulles Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 2, 2025.

Thu 2/138:40 amIAD - PHL

Nonstop1h 12mUnited Airlines

Sat 2/222:58 pmPHL - IAD

Nonstop1h 08mUnited Airlines

Deal found 1/2

$181

Thu 1/239:15 amIAD - PHL

1 stop5h 23mAmerican Airlines

Sun 1/265:54 pmPHL - IAD

1 stop6h 04mAmerican Airlines

Deal found 1/1

$290

Thu 1/234:42 pmIAD - PHL

2 stops18h 55mMultiple Airlines

Sun 1/268:10 pmPHL - IAD

2 stops15h 47mMultiple Airlines

Deal found 1/1

$304

Best flights from Dulles Intl to Philadelphia
Discover carefully curated flight deals from Dulles Intl to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2025.

Thu 2/138:40 amIAD - PHL

Nonstop1h 12mUnited Airlines

Sat 2/222:58 pmPHL - IAD

Nonstop1h 08mUnited Airlines

Deal found 1/2

$181

Thu 1/238:15 amIAD - PHL

2 stops14h 13mFrontier

Sun 1/2611:21 amPHL - IAD

1 stop22h 28mFrontier

Deal found 1/2

$190

Thu 1/239:15 amIAD - PHL

1 stop5h 23mAmerican Airlines

Sun 1/265:54 pmPHL - IAD

1 stop6h 04mAmerican Airlines

Deal found 1/1

$290

Thu 1/234:42 pmIAD - PHL

2 stops18h 55mMultiple Airlines

Sun 1/268:10 pmPHL - IAD

2 stops15h 47mMultiple Airlines

Deal found 1/1

$304

Thu 1/236:00 amIAD - PHL

1 stop14h 39mDelta

Sun 1/263:55 pmPHL - IAD

1 stop8h 27mDelta

Deal found 1/2

$443

Last-minute flights from Dulles Intl to Philadelphia
Discover last-minute flight deals from Dulles Intl to Philadelphia. Data last updated January 2, 2025 and is based on user searches.

Wed 1/88:30 amIAD - PHL

Nonstop1h 11mUnited Airlines

Thu 1/92:46 pmPHL - IAD

Nonstop1h 15mUnited Airlines

Deal found 1/2

$752

Wed 1/81:52 pmIAD - PHL

1 stop6h 06mAmerican Airlines

Thu 1/97:21 amPHL - IAD

1 stop6h 02mAmerican Airlines

Deal found 1/2

$908

Thu 1/238:15 amIAD - PHL

2 stops14h 13mFrontier

Sun 1/2611:21 amPHL - IAD

1 stop22h 28mFrontier

Deal found 1/2

$190

Thu 1/239:15 amIAD - PHL

1 stop5h 23mAmerican Airlines

Sun 1/265:54 pmPHL - IAD

1 stop6h 04mAmerican Airlines

Deal found 1/1

$290

Thu 1/234:42 pmIAD - PHL

2 stops18h 55mMultiple Airlines

Sun 1/268:10 pmPHL - IAD

2 stops15h 47mMultiple Airlines

Deal found 1/1

$304

Thu 1/236:00 amIAD - PHL

1 stop14h 39mDelta

Sun 1/263:55 pmPHL - IAD

1 stop8h 27mDelta

Deal found 1/2

$443

Thu 2/138:40 amIAD - PHL

Nonstop1h 12mUnited Airlines

Sat 2/222:58 pmPHL - IAD

Nonstop1h 08mUnited Airlines

Deal found 1/2

$181

One-way flights from Dulles Intl to Philadelphia
Search for one-way flight options from Dulles Intl to Philadelphia. Find affordable one-way fares based on user searches. Data last updated January 2, 2025.

Tue 2/41:52 pmIAD - PHL

1 stop4h 05mAmerican Airlines

Deal found 1/2

$215

Sun 1/59:35 pmIAD - PHL

2 stops22h 40mMultiple Airlines

Deal found 1/1

$232

Tue 2/48:30 amIAD - PHL

Nonstop1h 11mUnited Airlines

Deal found 1/2

$235

Find flights from Dulles Intl to Philadelphia within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 2/13

8:40 am-9:52 am

Nonstop1h 12m

Philadelphia

Sat 2/22

2:58 pm-4:06 pm

Nonstop1h 08m

$181

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 1/23

8:15 am-10:28 pm

2 stops14h 13m

Philadelphia

Sun 1/26

11:21 am-9:49 am

1 stop22h 28m

$190

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 1/23

9:15 am-2:38 pm

1 stop5h 23m

Philadelphia

Sun 1/26

5:54 pm-11:58 pm

1 stop6h 04m

$290

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 1/23

4:42 pm-11:37 am

2 stops18h 55m

Philadelphia

Sun 1/26

8:10 pm-11:57 am

2 stops15h 47m

$304

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 1/23

6:00 am-8:39 pm

1 stop14h 39m

Philadelphia

Sun 1/26

3:55 pm-12:22 am

1 stop8h 27m

$443

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Tue 2/4

1:52 pm-5:57 pm

1 stop4h 05m

$215

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 6/5

5:25 pm-6:40 pm

Nonstop1h 15m

$235

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Wed 1/8

5:25 pm-8:50 pm

3 stops27h 25m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

Compare providers for flights from Dulles Intl to Philadelphia

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Philadelphia in January.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Philadelphia flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia 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.

Travel insights for flights from Dulles Intl to Philadelphia

Get recent, data-driven insights about flights from Dulles Intl to Philadelphia including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Philadelphia (average of $236). Flying from Washington, D.C. Dulles Intl Airport to Philadelphia 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 PHL?

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Philadelphia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 18% on airfare.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Philadelphia

The most flights from IAD to PHL are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Philadelphia by month

In terms of precipitation, rainfall in Philadelphia 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 Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

If weather is an important factor for your trip to Philadelphia, 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 Philadelphia

Peruse reviews from past customers who have flown with American Airlines and United Airlines from Washington, D.C. to Philadelphia to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,536 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

8,536 reviews

Delta

8.0

Very good

8,536 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,969 reviews

Delta

8.0

Very good

8,536 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,536 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Frontier

6.1

Okay

3,454 reviews

Delta

8.0

Very good

8,536 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to Philadelphia from Washington, D.C. Dulles Intl?
Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Philadelphia. 1 airline have flights to Philadelphia from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Philadelphia should not be difficult; the airport handles an average of 7 inbound flights from Washington, D.C. Dulles Intl per day.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Philadelphia round-trip?
United Airlines, at $181, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Philadelphia.Alternate airlines to your destination round-trip include Frontier and American Airlines. Users have found that United Airlines is 55% cheaper than the other options available to this destination.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Philadelphia?
The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Philadelphia are Air Canada (100%), Air China (100%) and CommutAir (96%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Philadelphia?
The cheapest flight price from Washington, D.C. Dulles Intl Airport to Philadelphia is $179. On average you can expect to pay $1,173. The most popular route, (Washington, D.C. Dulles Intl - Philadelphia), can usually be booked for $179.
Can I find deals for flights from Dulles Intl to Philadelphia that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Philadelphia.
Can I find deals for business class flights from Dulles Intl to Philadelphia?
Yes. Cheapflights offers flight deals from Dulles Intl to Philadelphia 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 Philadelphia?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Philadelphia (average of $236). Flying from Washington, D.C. Dulles Intl Airport to Philadelphia 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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Top airline flying from Dulles Intl to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$179	Average$302	FlexibilityNo cancel fee	On-time69%

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$181+ Cheap flights from Dulles Intl (IAD) to Philadelphia (PHL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Philadelphia

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Philadelphia

Cheapest flights from Dulles Intl to PhiladelphiaExplore the most affordable flight options available from Dulles Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 2, 2025.

Explore the most affordable flight options available from Dulles Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 2, 2025.

Find flights from Dulles Intl to Philadelphia within your budget

Compare providers for flights from Dulles Intl to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Philadelphia in January.

Best time to book a flight from Dulles Intl to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Dulles Intl with our price prediction graph.

Travel insights for flights from Dulles Intl to Philadelphia

Get recent, data-driven insights about flights from Dulles Intl to Philadelphia including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Philadelphia?

What is the cheapest time of day to fly from IAD to PHL?

Find hourly flight availability from Dulles Intl to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 2, 2025.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Philadelphia

Rainfall in Philadelphia by month

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

Temperature in Philadelphia by month

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

Reviews of airlines servicing Philadelphia

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Philadelphia from Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Philadelphia round-trip?

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Philadelphia?

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Philadelphia?

Can I find deals for flights from Dulles Intl to Philadelphia that include hotel bookings?

How can I find direct flights from Dulles Intl to Philadelphia?

Can I find deals for business class flights from Dulles Intl to Philadelphia?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Philadelphia?

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 Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Dulles Intl to Philadelphia

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Cheapest flights from Dulles Intl to Philadelphia
Explore the most affordable flight options available from Dulles Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 2, 2025.