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Dulles Intl

$95+ Cheap flights from Philadelphia (PHL) to Dulles Intl (IAD)

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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — IAD
nov. 26 — dic. 31
mar. 11/26
mar. 12/3
1 adult, Economy
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Cheap flight deals from Philadelphia to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

January

Cheapest in

August

Round-trip from

$179
(United Airlines)

One-way from

$95
(United Airlines)
Provider with most accurate pricing for Philadelphia-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Washington, D.C. Dulles Intl flights.
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High demand for flights, 46% potential price rise
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Best time to find cheap flights, 51% potential price drop
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From Philadelphia to Washington, D.C. Dulles Intl
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One-way flight from Philadelphia to Washington, D.C. Dulles Intl
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Find flight deals from Philadelphia to Dulles Intl

Cheapest flights from Philadelphia to Dulles Intl
Explore the most affordable flight options available from Philadelphia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 21, 2024.

This United Airlines deal was found by Cheapflights users on 11/20. 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.
jue. 12/126:20 amPHL - IAD
Nonstop1h 13mUnited Airlines
sáb. 12/148:35 amIAD - PHL
Nonstop1h 06mUnited Airlines
Deal found 11/20$179
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/66:53 pmPHL - IAD
1 stop5h 02mAmerican Airlines
mié. 12/115:00 amIAD - PHL
1 stop6h 46mAmerican Airlines
Deal found 11/20$288
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/122:36 pmPHL - IAD
3 stops20h 44mMultiple Airlines
sáb. 12/148:25 amIAD - PHL
3 stops24h 20mMultiple Airlines
Deal found 11/20$399
This Kissandfly.com deal was found by Cheapflights users on 11/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1212:37 pmPHL - IAD
1 stop4h 11mFrontier
dom. 12/155:57 pmIAD - PHL
2 stops17h 49mFrontier
Deal found 11/20$535
This Delta deal was found by Cheapflights users on 11/20. 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.
jue. 12/126:00 amPHL - IAD
1 stop5h 36mDelta
dom. 12/153:35 pmIAD - PHL
1 stop5h 15mDelta
Deal found 11/20$1,404

Find flights from Philadelphia to Dulles Intl within your budget

Customize your flight search to find flights from Philadelphia to Dulles Intl 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 2,629,791 searches. Data last updated noviembre 21, 2024.

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Route

Depart

Return

Price

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

jue. 1/9

2:46 pm-4:01 pm

Nonstop1h 15m

Washington, D.C. Dulles Intl

lun. 1/13

8:30 am-9:41 am

Nonstop1h 11m

$179

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

vie. 12/6

6:53 pm-11:55 pm

1 stop5h 02m

Washington, D.C. Dulles Intl

mié. 12/11

5:00 am-11:46 am

1 stop6h 46m

$288

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

lun. 1/6

8:20 am-8:17 pm

2 stops11h 57m

Washington, D.C. Dulles Intl

mar. 1/7

12:55 pm-9:42 am

3 stops20h 47m

$351

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

jue. 12/12

12:37 pm-4:48 pm

1 stop4h 11m

Washington, D.C. Dulles Intl

dom. 12/15

5:57 pm-11:46 am

2 stops17h 49m

$535

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

jue. 12/12

6:00 am-11:36 am

1 stop5h 36m

Washington, D.C. Dulles Intl

dom. 12/15

3:35 pm-8:50 pm

1 stop5h 15m

$1,404

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

jue. 11/28

2:50 pm-3:59 pm

Nonstop1h 09m

$95

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

mié. 1/29

3:38 pm-7:35 pm

1 stop3h 57m

$128

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

mié. 12/18

10:48 am-8:35 pm

3 stops33h 47m

$162

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

mié. 12/18

6:00 am-4:44 pm

2 stops10h 44m

$199

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

vie. 12/20

6:18 pm-8:20 am

2 stops38h 02m

$3,353

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Compare providers for flights from Philadelphia to Dulles Intl

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 Philadelphia to Dulles Intl in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Philadelphia-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Washington, D.C. Dulles Intl Airport 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 Philadelphia-Washington, D.C. Dulles Intl Airport 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 Philadelphia to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Philadelphia 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 Philadelphia to Dulles Intl

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

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

Currently, September is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Philadelphia to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). 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 PHL to IAD?

Find hourly flight availability from Philadelphia to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 21, 2024.

One of the essential ways to save on airfare from Philadelphia to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 13% on airfare.

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

Explore weekly flight availability from Philadelphia to Dulles Intl. 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 noviembre 21, 2024.

The most flights from PHL to IAD are scheduled on a Thursday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated noviembre 21, 2024.
Delta
8.0
Very good
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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
8,758 reviews
Delta
8.0
Very good
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

Qatar Airways
7.5
Good
3,832 reviews
Delta
8.0
Very good
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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
9,172 reviews
Delta
8.0
Very good
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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
3,539 reviews
Delta
8.0
Very good
8,758 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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

Find useful and relevant information for your journey from Philadelphia to Dulles Intl. 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 from for flights from Philadelphia to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 6 flights from Philadelphia to Washington, D.C. Dulles Intl per day from 1 airline.

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

    Flying on United Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $179. Additional round-trip tickets that might be worth considering are offered by American Airlines and Frontier, with the lowest prices starting at $288 and $535, respectively. United Airlines is currently priced 55% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Philadelphia to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $95. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Philadelphia to Washington, D.C. Dulles Intl Airport for a low price.

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

    Consider Air China (100%), Air Canada (97%) or ANA (95%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to Washington, D.C. Dulles Intl Airport.

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

    The cheapest flight price from Philadelphia to Washington, D.C. Dulles Intl Airport is $117. On average you can expect to pay $940. The most popular route, (Philadelphia - Washington, D.C. Dulles Intl), can usually be booked for $179.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Dulles Intl 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 Philadelphia to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Philadelphia to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). 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 Philadelphia to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Philadelphia to Dulles Intl

Discover the top airline that operate flights from Philadelphia to Dulles Intl. 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 2,629,791 searches. Data last updated noviembre 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$146Average$249FlexibilityNo cancel feeOn-time69%
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