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Cheap flights from Washington, D.C. Dulles Intl Airport to Philadelphia from $45

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:50 am - 6:15 pmIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 25m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
12:36 pm - 11:43 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
11h 07m1 stop Atlanta Hartsfield-Jackson
$134Frontier
Wed, Oct 21 - Wed, Oct 28
Frontier Logo
9:06 pm - 7:21 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 15m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
5:20 pm - 11:43 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
6h 23m1 stop Atlanta Hartsfield-Jackson
$137Frontier
Fri, Nov 13 - Sat, Nov 14
Frontier Logo
9:06 pm - 7:21 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 15m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:03 pm - 11:43 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
5h 40m1 stop Atlanta Hartsfield-Jackson
$150Frontier
Mon, Oct 26 - Thu, Oct 29
Frontier Logo
9:06 pm - 7:11 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 05m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
5:22 pm - 11:43 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
6h 21m1 stop Atlanta Hartsfield-Jackson
$151Frontier
Sat, Nov 14 - Mon, Nov 16
Frontier Logo
8:05 am - 6:19 pmIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 14m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
5:22 pm - 5:12 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
23h 50m1 stop Atlanta Hartsfield-Jackson
$152Frontier
Wed, Nov 11 - Fri, Nov 13
Frontier Logo
6:37 am - 12:28 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
17h 51m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:15 am - 2:43 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
8h 28m1 stop Atlanta Hartsfield-Jackson
$163Frontier
Thu, Jan 14 - Mon, Jan 18
Frontier Logo
7:50 am - 6:15 pmIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 25m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:30 am - 11:43 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
14h 13m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson
$166Frontier
Wed, Oct 21 - Wed, Oct 28
Frontier Logo
1:36 pm - 7:21 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
17h 45m2 stops Tampa Atlanta Hartsfield-Jackson
Frontier Logo
5:20 pm - 11:43 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
6h 23m1 stop Atlanta Hartsfield-Jackson
$172Frontier
Fri, Nov 13 - Sat, Nov 14
United Airlines Logo
8:36 am - 9:49 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
1h 13mnonstop
United Airlines Logo
10:30 am - 11:40 amPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
1h 10mnonstop
$289United Airlines
Thu, Oct 29 - Sun, Nov 1
United Airlines Logo
10:15 pm - 11:30 pmIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
1h 15mnonstop
United Airlines Logo
6:00 am - 7:13 amPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
1h 13mnonstop
$289United Airlines
Fri, Nov 13 - Sat, Nov 14

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Frontier flights from Washington, D.C. Dulles Intl Airport to Philadelphia

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Philadelphia flight tickets
Frontier
Oct 21
IAD7:50 amWashington, D.C. Dulles Intl
10h 25m
1 stop
PHL6:15 pmPhiladelphia
Oct 28
PHL12:36 pmPhiladelphia
11h 07m
1 stop
IAD11:43 pmWashington, D.C. Dulles Intl
$134
Frontier
Nov 13
IAD9:06 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
PHL7:21 amPhiladelphia
Nov 14
PHL5:20 pmPhiladelphia
6h 23m
1 stop
IAD11:43 pmWashington, D.C. Dulles Intl
$137
Frontier
Oct 26
IAD9:06 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
PHL7:21 amPhiladelphia
Oct 29
PHL6:03 pmPhiladelphia
5h 40m
1 stop
IAD11:43 pmWashington, D.C. Dulles Intl
$150

American Airlines flights from Washington, D.C. Dulles Intl Airport to Philadelphia

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Philadelphia flight tickets
American Airlines
Oct 1
IAD6:14 amWashington, D.C. Dulles Intl
3h 51m
1 stop
PHL10:05 amPhiladelphia
Oct 4
PHL7:40 pmPhiladelphia
4h 08m
1 stop
IAD11:48 pmWashington, D.C. Dulles Intl
$369
American Airlines
Oct 2
IAD6:14 amWashington, D.C. Dulles Intl
5h 01m
1 stop
PHL11:15 amPhiladelphia
Oct 4
PHL7:40 pmPhiladelphia
4h 08m
1 stop
IAD11:48 pmWashington, D.C. Dulles Intl
$409
American Airlines
Sep 29
IAD6:14 amWashington, D.C. Dulles Intl
5h 01m
1 stop
PHL11:15 amPhiladelphia
Oct 6
PHL6:00 amPhiladelphia
4h 03m
1 stop
IAD10:03 amWashington, D.C. Dulles Intl
$415

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Philadelphia that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Wed 10/21

7:50 am-6:15 pm

1 stop10h 25m

Philadelphia

Wed 10/28

12:36 pm-11:43 pm

1 stop11h 07m

$134

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Fri 11/13

9:06 pm-7:21 am

1 stop10h 15m

Philadelphia

Sat 11/14

5:20 pm-11:43 pm

1 stop6h 23m

$137

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Mon 10/26

9:06 pm-7:21 am

1 stop10h 15m

Philadelphia

Thu 10/29

6:03 pm-11:43 pm

1 stop5h 40m

$150

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Sat 11/14

9:06 pm-7:11 am

1 stop10h 05m

Philadelphia

Mon 11/16

5:22 pm-11:43 pm

1 stop6h 21m

$151

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Wed 11/11

8:05 am-6:19 pm

1 stop10h 14m

Philadelphia

Fri 11/13

5:22 pm-5:12 pm

1 stop23h 50m

$152

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Thu 1/14

6:37 am-12:28 am

1 stop17h 51m

Philadelphia

Mon 1/18

6:15 am-2:43 pm

1 stop8h 28m

$163

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Wed 10/21

7:50 am-6:15 pm

1 stop10h 25m

Philadelphia

Wed 10/28

9:30 am-11:43 pm

2 stops14h 13m

$166

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Fri 11/13

1:36 pm-7:21 am

2 stops17h 45m

Philadelphia

Sat 11/14

5:20 pm-11:43 pm

1 stop6h 23m

$172
Quickest round-trip

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Thu 10/29

8:36 am-9:49 am

Nonstop1h 13m

Philadelphia

Sun 11/1

10:30 am-11:40 am

Nonstop1h 10m

$289

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Fri 11/13

10:15 pm-11:30 pm

Nonstop1h 15m

Philadelphia

Sat 11/14

6:00 am-7:13 am

Nonstop1h 13m

$289

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Washington, D.C. Dulles Intl Airport is in November. Flight prices, which tend to average around $184, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Philadelphia, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $270.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $476. On the other hand, Tuesday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $766.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the morning. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Philadelphia in the morning for as low as $456. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $730.

What is the cheapest Washington, D.C. Dulles Intl to Philadelphia flight route?

Fly from Washington, D.C. Dulles Intl to Philadelphia for the best Washington, D.C. Dulles Intl - Philadelphia flight prices

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Philadelphia flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Philadelphia flights?

You could potentially save up to 62% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Philadelphia flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Philadelphia (IAD to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Philadelphia

Best Price Found

$45

Fastest flight time

1h 06m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Washington, D.C. Dulles Intl Airport in the past 72 hours is $45. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Philadelphia found on momondo in the last 72 hours is $134.
The fastest flight from Washington, D.C. Dulles Intl Airport to Philadelphia takes 1h 06m
Direct flights go from Washington, D.C. Dulles Intl Airport to Philadelphia every day.
There is 1 airport in Philadelphia. From Washington, D.C. Dulles Intl Airport there are direct flights to Philadelphia (PHL).
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Philadelphia

  • How far is Washington, D.C. Dulles Intl to Philadelphia by plane?

    The distance between Washington, D.C. Dulles Intl and Philadelphia is about 140.7 mi. Typically, this will take 1h 06m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Philadelphia Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Philadelphia Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Philadelphia Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Philadelphia Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Philadelphia?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Philadelphia?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Philadelphia

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $189Free CancellationRating
7.4
10,242 reviews
Search United Airlines flights

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Philadelphia

    United Airlines is one of the most popular airlines flying from Washington, D.C. Dulles Intl Airport to Philadelphia, operating 21 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. Dulles Intl Airport to Philadelphia starts from $189 round-trip, up to an average price of $458. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Wildwood Crest
Ocean City
Cherry Hill
King of Prussia
Newark
Reading
Essington
Dover
Dewey Beach
New Castle
North Wildwood
Chester
Vineland
Avalon
Lewes
Elkton
Pottstown

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Philadelphia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Philadelphia. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Philadelphia with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Philadelphia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Philadelphia?

momondo provides multiple filters to help you find the best flight to Philadelphia from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Philadelphia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Philadelphia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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