Which airlines offer extra legroom and free seat selection on Philadelphia to Washington, D.C. Dulles Intl Airport flights?

Among airlines operating Philadelphia to Washington, D.C. Dulles Intl Airport flights: • United Airlines: offers free seat selection Extra legroom and free seat selection availability depends on fare class and route.

What airlines are available from Philadelphia to Washington, D.C. Dulles Intl Airport?

Only United Airlines operates flights between Philadelphia and Washington, D.C. Dulles Intl Airport.

Which airports can I use when flying from Philadelphia to Washington, D.C. Dulles Intl Airport?

Flights from Philadelphia to Washington, D.C. Dulles Intl Airport usually depart from Philadelphia (PHL) and arrive at Washington, D.C. Dulles Intl (IAD).

Which airlines include bags at no extra cost on Philadelphia to Washington, D.C. Dulles Intl Airport flights?

Here are some options for this route, based on selected ticket types and cabin classes: • United Airlines: a cabin bag and a checked bag in First Class Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

What is the standard checked-bag allowance on flights from Philadelphia to Washington, D.C. Dulles Intl Airport?

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Which aircraft model is used most often on flights from Philadelphia to Washington, D.C. Dulles Intl Airport?

The Boeing 737-800 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Airbus A321-100/200 variants.

Can I save money by using flexible dates for flights from Philadelphia to Washington, D.C. Dulles Intl Airport?

On the Philadelphia to Washington, D.C. Dulles Intl Airport route, being flexible with your departure day can save you up to 61%. Saturday is the cheapest day at $194 round-trip on average, while Sunday is the most expensive at $489: a $295 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Washington, D.C. Dulles Intl Airport?

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

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

These are the earliest and latest flight times available from Philadelphia to Washington, D.C. Dulles Intl Airport: • Earliest: departs at 6:00 am and lands at 7:13 am • Latest: departs at 7:40 pm and lands at 8:53 pm. The flight takes about 1h 13m.

Do I need a passport to fly from Philadelphia to Washington, D.C. Dulles Intl Airport?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include: • Dollar • Budget • Hertz • Sixt • Thrifty

How much should I expect to pay for a Philadelphia to Washington, D.C. Dulles Intl Airport flight?

Round-trip flights from Philadelphia to Washington, D.C. Dulles Intl Airport range from $239 to $489, with an average of $356 over the past 12 months. Anything below $239 counts as a good deal.

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

Frontier ($115) and United Airlines ($269) are the cheapest airlines to fly round-trip from Philadelphia to Washington, D.C. Dulles Intl Airport according to KAYAK data over the last 5 days.

How many nonstop flights run daily between Philadelphia and Washington, D.C. Dulles Intl Airport?

There are 3 to 4 flights per day from Philadelphia to Washington, D.C. Dulles Intl Airport, about 23 flights per week. Monday has the most departures, with 17% of weekly flights.

What time of day do most flights depart from Philadelphia to Washington, D.C. Dulles Intl Airport?

Most nonstop flights from Philadelphia to Washington, D.C. Dulles Intl Airport depart in the morning, accounting for 50% of nonstop departures. Around 2 flights are scheduled in that window over the next three months.

$62 CHEAP FLIGHTS from Philadelphia to Washington Dulles (PHL - IAD)

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Never overpay with our price tracking tools.

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Cheapest round-trip

$115

Typical prices: $239-$489

Frontier

Fri 10/26Fri 11/2

PHL - IAD • 1 stop

Cheapest non-stop

$269

Typical prices: $239-$489

United Airlines

Sun 12/2Tue 2/13

PHL - IAD • Non-stop

Nonstop flights

Every day

You can fly direct with United Airlines. Average duration is 1h 13m

Direct flights

When to travel

January

Cheapest • 37% price drop

December

Most popular

Good to know

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We hope you love your trip to Washington, D.C. Dulles Intl Airport!

Flight Deals

Cheap Flights from Philadelphia to Dulles Intl (PHL-IAD)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Philadelphia to Dulles Intl

Mon, Oct 26 - Mon, Nov 2

5:22 pm - 5:12 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

23h 50m1 stop Atlanta Hartsfield-Jackson

9:06 pm - 7:21 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 15m1 stop Atlanta Hartsfield-Jackson

$115Frontier

Wed, Nov 11 - Sat, Nov 14

8:30 am - 11:43 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

15h 13m1 stop Atlanta Hartsfield-Jackson

9:06 pm - 7:11 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 05m1 stop Atlanta Hartsfield-Jackson

$120Frontier

Wed, Oct 14 - Wed, Oct 21

12:35 pm - 5:13 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

28h 38m1 stop Atlanta Hartsfield-Jackson

7:50 am - 6:15 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 25m1 stop Atlanta Hartsfield-Jackson

$128Frontier

Wed, Oct 7 - Wed, Oct 14

5:32 pm - 12:10 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

6h 38m1 stop Atlanta Hartsfield-Jackson

9:06 pm - 7:11 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 05m1 stop Atlanta Hartsfield-Jackson

$129Frontier

Mon, Oct 26 - Wed, Oct 28

8:30 am - 5:13 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

8h 43m1 stop Atlanta Hartsfield-Jackson

8:05 am - 6:19 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 14m1 stop Atlanta Hartsfield-Jackson

$141Frontier

Wed, Oct 14 - Wed, Oct 21

12:35 pm - 5:13 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

28h 38m1 stop Atlanta Hartsfield-Jackson

11:12 am - 11:11 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

11h 59m2 stops Orlando Atlanta Hartsfield-Jackson

$143Frontier

Sat, Oct 10 - Mon, Oct 12

8:30 am - 5:13 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

8h 43m1 stop Atlanta Hartsfield-Jackson

9:06 pm - 7:21 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 15m1 stop Atlanta Hartsfield-Jackson

$153Frontier

Mon, Oct 26 - Wed, Oct 28

8:30 am - 5:13 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

8h 43m1 stop Atlanta Hartsfield-Jackson

8:05 am - 6:19 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 14m1 stop Atlanta Hartsfield-Jackson

$157Frontier

Thu, Oct 8 - Thu, Oct 15

10:40 am - 11:49 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 09mnonstop

8:30 am - 9:43 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 13mnonstop

$269United Airlines

Sat, Oct 3 - Sat, Oct 10

6:15 am - 7:31 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 16mnonstop

1:05 pm - 2:20 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 15mnonstop

$269United Airlines

Recent last minute flight deals from Philadelphia to Dulles Intl

Sat, Sep 19 - Tue, Sep 22

7:40 pm - 9:01 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 21mnonstop

1:05 pm - 2:20 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 15mnonstop

$349United Airlines

Sat, Sep 19 - Sat, Sep 26

6:00 am - 9:55 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

3h 55m1 stop Charlotte Douglas

6:14 pm - 11:24 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

5h 10m1 stop Charlotte Douglas

$354American Airlines

Sat, Sep 19 - Tue, Sep 22

6:00 am - 9:55 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

3h 55m1 stop Charlotte Douglas

6:14 am - 10:05 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

3h 51m1 stop Charlotte Douglas

$369American Airlines

Thu, Sep 17 - Sat, Sep 19

10:30 am - 11:39 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 09mnonstop

5:36 pm - 6:54 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 18mnonstop

$445United Airlines

Sun, Sep 20 - Mon, Sep 21

7:50 am - 8:09 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

12h 19m1 stop Fort Lauderdale

6:13 pm - 4:47 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

34h 34m2 stops Fort Lauderdale San Juan Luis Munoz Marin Intl

$459Frontier

Sun, Sep 20 - Mon, Sep 21

7:50 am - 8:09 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

12h 19m1 stop Fort Lauderdale

6:13 pm - 10:52 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

16h 39m1 stop Fort Lauderdale

$464Frontier

Sat, Sep 19 - Sat, Sep 26

7:50 am - 8:09 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

12h 19m1 stop Fort Lauderdale

6:13 pm - 7:16 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

13h 03m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

$465Frontier

Thu, Sep 17 - Sat, Sep 19

6:00 am - 11:56 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

5h 56m1 stop Charlotte Douglas

6:14 am - 10:05 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

3h 51m1 stop Charlotte Douglas

$481American Airlines

Tue, Sep 15 - Wed, Sep 16

11:57 am - 8:09 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

8h 12m1 stop Fort Lauderdale

7:50 am - 11:18 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

15h 28m1 stop Atlanta Hartsfield-Jackson

$503Frontier

Sat, Sep 19 - Tue, Sep 22

8:00 am - 8:09 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

12h 09m2 stops Raleigh-Durham Fort Lauderdale

6:13 pm - 10:52 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

16h 39m1 stop Fort Lauderdale

$503Frontier

Recent direct flight deals from Philadelphia to Dulles Intl

Sat, Oct 3 - Sat, Oct 10

3:08 pm - 4:24 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 16mnonstop

8:30 am - 9:42 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 12mnonstop

$269United Airlines

Thu, Oct 8 - Thu, Oct 15

10:40 am - 11:49 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 09mnonstop

8:30 am - 9:43 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 13mnonstop

$269United Airlines

Wed, Oct 7 - Wed, Oct 14

6:15 am - 7:31 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 16mnonstop

1:05 pm - 2:20 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 15mnonstop

$269United Airlines

Sat, Oct 3 - Sun, Oct 4

10:40 am - 11:47 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 07mnonstop

8:30 am - 9:33 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 03mnonstop

$269United Airlines

Sat, Oct 10 - Mon, Oct 12

6:15 am - 7:31 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 16mnonstop

8:30 am - 9:43 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 13mnonstop

$269United Airlines

Mon, Nov 30 - Mon, Dec 14

7:40 pm - 8:53 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 13mnonstop

1:00 pm - 2:06 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 06mnonstop

$269United Airlines

Wed, Dec 2 - Sat, Feb 13

10:30 am - 11:38 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 08mnonstop

12:45 pm - 1:51 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 06mnonstop

$269United Airlines

Thu, Oct 1 - Mon, Oct 5

10:40 am - 11:49 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 09mnonstop

8:30 am - 9:43 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 13mnonstop

$269United Airlines

Sat, Oct 3 - Sat, Oct 10

6:15 am - 7:31 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 16mnonstop

1:05 pm - 2:20 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 15mnonstop

$269United Airlines

Sat, Oct 10 - Sat, Oct 17

10:40 am - 11:47 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 07mnonstop

1:05 pm - 2:20 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 15mnonstop

$289United Airlines

Booking Insights

Price, demand and travel trends for Philadelphia to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Philadelphia to Washington, D.C. Dulles Intl Airport with more confidence.

Prices

Airlines

How much is a round-trip flight from Philadelphia to Washington, D.C. Dulles Intl Airport?

Round-trip flights from Philadelphia to Washington, D.C. Dulles Intl Airport start at $115. Prices are below average for this route right now, with typical round-trip fares ranging from $239 to $489. The lowest price found in the past 5 days was $115 on Frontier.

What's the cheapest day of the week to fly from Philadelphia to Washington, D.C. Dulles Intl Airport?

Saturday is the cheapest day of the week to fly from Philadelphia to Washington, D.C. Dulles Intl Airport, it is 46% cheaper than the average day. Sunday is the most expensive day with flight prices 37% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Expert advice

Our travel experts

Gabriel Leigh

Expert on ANA

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Stefanie Waldek

Expert on United Airlines and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Expert on PHL

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Low season	August
High season	December
Cheapest flight	$62

Best time to beat the crowds but there is an average 99% increase in price.

Most popular time to fly with an average 15% increase in price.

Flight from Philadelphia to Washington, D.C. Dulles Intl Airport

When to book flights from Philadelphia to Dulles Intl

Are your dates flexible? Find out the best times to travel from Philadelphia to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airlines offer extra legroom and free seat selection on Philadelphia to Washington, D.C. Dulles Intl Airport flights?
Among airlines operating Philadelphia to Washington, D.C. Dulles Intl Airport flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.
What airlines are available from Philadelphia to Washington, D.C. Dulles Intl Airport?
Only United Airlines operates flights between Philadelphia and Washington, D.C. Dulles Intl Airport.
Which airports can I use when flying from Philadelphia to Washington, D.C. Dulles Intl Airport?
Flights from Philadelphia to Washington, D.C. Dulles Intl Airport usually depart from Philadelphia (PHL) and arrive at Washington, D.C. Dulles Intl (IAD).
Which airlines include bags at no extra cost on Philadelphia to Washington, D.C. Dulles Intl Airport flights?
Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in First Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.
What cabin classes can I book on flights from Philadelphia to Washington, D.C. Dulles Intl Airport?
Two cabin classes are available on flights from Philadelphia to Washington, D.C. Dulles Intl Airport:

• Economy Class
• First Class
What is the standard checked-bag allowance on flights from Philadelphia to Washington, D.C. Dulles Intl Airport?
There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.
Which aircraft model is used most often on flights from Philadelphia to Washington, D.C. Dulles Intl Airport?
The Boeing 737-800 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Airbus A321-100/200 variants.
Can I save money by using flexible dates for flights from Philadelphia to Washington, D.C. Dulles Intl Airport?
On the Philadelphia to Washington, D.C. Dulles Intl Airport route, being flexible with your departure day can save you up to 61%. Saturday is the cheapest day at $194 round-trip on average, while Sunday is the most expensive at $489: a $295 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How are flight departures from Philadelphia to Washington, D.C. Dulles Intl Airport spread across the day?
Morning is the busiest departure period on Philadelphia to Washington, D.C. Dulles Intl Airport flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 0%.
What popular places can I visit in Washington, D.C. Dulles Intl Airport?
Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.
What are the earliest and latest flights from Philadelphia to Washington, D.C. Dulles Intl Airport?
These are the earliest and latest flight times available from Philadelphia to Washington, D.C. Dulles Intl Airport:

• Earliest: departs at 6:00 am and lands at 7:13 am
• Latest: departs at 7:40 pm and lands at 8:53 pm.

The flight takes about 1h 13m.
How long is a flight from Philadelphia to Washington, D.C. Dulles Intl Airport?
A nonstop flight from Philadelphia to Washington, D.C. Dulles Intl Airport takes 1h 13m, covering 134 miles.
Do I need a passport to fly from Philadelphia to Washington, D.C. Dulles Intl Airport?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Philadelphia to Washington, D.C. Dulles Intl Airport changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $115 to $1,063. That means the highest observed fare was about 9x higher than the lowest one.
How are flight prices from Philadelphia to Washington, D.C. Dulles Intl Airport looking right now?
One-way fares from Philadelphia to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $96, which is 69% below the typical average for this route.
What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?
Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
• Dollar
• Budget
• Hertz
• Sixt
• Thrifty
How much should I expect to pay for a Philadelphia to Washington, D.C. Dulles Intl Airport flight?
Round-trip flights from Philadelphia to Washington, D.C. Dulles Intl Airport range from $239 to $489, with an average of $356 over the past 12 months. Anything below $239 counts as a good deal.

If your dates can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $194 - about $295 less than Sunday (60% savings) based on the last 12 months.
If you can choose when to travel, plan your Philadelphia to Washington, D.C. Dulles Intl Airport trip for January. Fares historically average $223 round-trip in that month - typically $485 less than the most expensive month, which is August (based on the last 12 months).

Direct departures

Philadelphia to Washington, D.C. Dulles Intl

Monday

United Airlines

Tuesday

United Airlines

Wednesday

United Airlines

Thursday

United Airlines

Friday

United Airlines

Saturday

United Airlines

Sunday

United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Philadelphia

Monday

United Airlines

Tuesday

United Airlines

Wednesday

United Airlines

Thursday

United Airlines

Friday

United Airlines

Saturday

United Airlines

Sunday

United Airlines

See more direct flights

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Complete your trip to Washington, D.C. with a hotel stay or car rental

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PHL - IAD

$62 Find Cheap Flights from Philadelphia to Washington Dulles Airport - Compare and Save

Everything you should know

Cheap Flights from Philadelphia to Dulles Intl (PHL-IAD)

Recent round-trip flight deals from Philadelphia to Dulles Intl

Recent one-way flight deals from Philadelphia to Dulles Intl

Recent last minute flight deals from Philadelphia to Dulles Intl

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Price, demand and travel trends for Philadelphia to Washington, D.C. Dulles Intl Airport flights

How much is a round-trip flight from Philadelphia to Washington, D.C. Dulles Intl Airport?

What's the cheapest day of the week to fly from Philadelphia to Washington, D.C. Dulles Intl Airport?

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

Which airline offers the most nonstop flights between Philadelphia and Washington, D.C. Dulles Intl Airport?

How many nonstop flights run daily between Philadelphia and Washington, D.C. Dulles Intl Airport?

What time of day do most flights depart from Philadelphia to Washington, D.C. Dulles Intl Airport?

Expert advice for your flight from Philadelphia to Dulles Intl

Key details for Philadelphia to Washington, D.C. Dulles Intl Airport flights

Low season

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When to book flights from Philadelphia to Dulles Intl

Your Philadelphia to Washington, D.C. Dulles Intl Airport flight questions, answered

Your guide to booking Philadelphia to Washington, D.C. Dulles Intl Airport flights

Prefer to fly direct from Philadelphia to Washington Dulles Airport?

More options for your flight from Philadelphia to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental

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