Find flights
Deals
Insights
When to book
FAQs & Tips
Direct Flights

IAD - PHL

$137 Find cheap flights from Washington Dulles Airport to Philadelphia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Philadelphia departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 6/29
Sat 7/6

Search hundreds of travel sites at once for deals on flights to Philadelphia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Philadelphia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Philadelphia, as well as popular online travel agencies
In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Dulles Intl to Philadelphia (IAD-PHL)

 
These are the cheapest deals for flights from Dulles Intl to Philadelphia currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Dulles Intl to Philadelphia

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Dulles Intl to Philadelphia.

Recent one-way flight deals from Dulles Intl to Philadelphia

Only flying one-way? Below are some of the best one-way flight deals from Dulles Intl to Philadelphia found on KAYAK recently.

Recent last minute flight deals from Dulles Intl to Philadelphia

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Dulles Intl to Philadelphia.

Recent direct flight deals from Dulles Intl to Philadelphia

The latest deals for direct flights from Dulles Intl to Philadelphia so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Dulles Intl to Philadelphia

Find recent round-trip train or bus tickets from Dulles Intl to Philadelphia.

All round-trip flight deals to Philadelphia

The cheapest plane tickets to Philadelphia found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
12:45 pm - 1:52 pmIAD-PHL
1h 07mnonstop
2:37 pm - 3:46 pmPHL-IAD
1h 09mnonstop
$159United Airlines
Find Deal
Wed, Jul 3 - Sun, Jul 7
8:35 am - 2:55 pmIAD-PHL
6h 20m1 stop
3:59 pm - 10:29 pmPHL-IAD
6h 30m1 stop
$183United Airlines
Find Deal
Wed, Jun 12 - Wed, Jun 19
10:05 pm - 11:12 pmIAD-PHL
1h 07mnonstop
10:15 am - 11:23 amPHL-IAD
1h 08mnonstop
$219United Airlines
Find Deal
Sat, Jul 27 - Thu, Aug 1
11:30 am - 10:43 amIAD-PHL
23h 13m1 stop
12:06 pm - 12:57 pmPHL-IAD
24h 51m1 stop
$269Sun Country Air
Find Deal
Tue, Jun 11 - Fri, Jun 14
10:15 pm - 9:00 amIAD-PHL
34h 45m3 stops
5:12 pm - 11:35 amPHL-IAD
18h 23m3 stops
$285
Find Deal
Mon, Jun 10 - Wed, Jun 12
9:28 am - 1:49 pmIAD-PHL
4h 21m1 stop
3:33 pm - 7:45 pmPHL-IAD
4h 12m1 stop
$290American Airlines
Find Deal
Mon, Jun 10 - Sat, Jun 15
10:50 am - 10:29 amIAD-PHL
23h 39m1 stop
12:06 pm - 12:57 pmPHL-IAD
24h 51m1 stop
$307Sun Country Air
Find Deal
Mon, Jun 10 - Fri, Jun 14
12:55 pm - 1:22 pmIAD-PHL
24h 27m3 stops
4:17 pm - 4:10 pmPHL-IAD
23h 53m3 stops
$312
Find Deal
Mon, Sep 30 - Wed, Oct 2
10:10 pm - 10:24 amIAD-PHL
12h 14m1 stop
10:15 am - 11:23 amPHL-IAD
1h 08mnonstop
$317United Airlines
Find Deal
Thu, Jul 4 - Sun, Jul 7
5:32 pm - 12:50 amIAD-PHL
7h 18m1 stop
11:49 am - 5:08 pmPHL-IAD
5h 19m1 stop
$365American Airlines
Find Deal
Sat, Jul 27 - Wed, Jul 31
12:33 pm - 10:47 amIAD-PHL
22h 14m1 stop
$137Sun Country Air
Find Deal
Mon, Jul 8
5:35 pm - 8:34 amIAD-PHL
14h 59m3 stops
$145
Find Deal
Mon, Jul 1
10:37 am - 10:49 amIAD-PHL
24h 12m1 stop
$149Sun Country Air
Find Deal
Mon, Jul 1
5:35 pm - 7:51 pmIAD-PHL
26h 16m3 stops
$165
Find Deal
Mon, Jul 8
5:00 am - 9:33 amIAD-PHL
4h 33m1 stop
$167American Airlines
Find Deal
Wed, Jun 26
12:55 pm - 9:00 amIAD-PHL
20h 05m3 stops
$170
Find Deal
Sat, Sep 14
6:55 am - 12:10 pmIAD-PHL
5h 15m1 stop
$182American Airlines
Find Deal
Sat, Sep 14
8:25 am - 8:34 amIAD-PHL
24h 09m3 stops
$190
Find Deal
Sat, Jun 8
12:45 pm - 1:52 pmIAD-PHL
1h 07mnonstop
$195United Airlines
Find Deal
Mon, Jul 1
12:45 pm - 1:52 pmIAD-PHL
1h 07mnonstop
$219United Airlines
Find Deal
Sat, Aug 3
5:33 pm - 11:18 pmIAD-PHL
5h 45m1 stop
3:59 pm - 10:29 pmPHL-IAD
6h 30m1 stop
$353United Airlines
Find Deal
Fri, May 31 - Wed, Jun 5
5:33 pm - 11:18 pmIAD-PHL
5h 45m1 stop
3:59 pm - 10:29 pmPHL-IAD
6h 30m1 stop
$378United Airlines
Find Deal
Fri, May 31 - Sun, Jun 2
5:02 am - 9:26 amIAD-PHL
4h 24m1 stop
10:29 am - 2:57 pmPHL-IAD
4h 28m1 stop
$430American Airlines
Find Deal
Sat, Jun 1 - Sun, Jun 2
5:33 pm - 11:18 pmIAD-PHL
5h 45m1 stop
6:00 am - 8:54 pmPHL-IAD
14h 54m2 stops
$448United Airlines
Find Deal
Fri, May 31 - Wed, Jun 5
8:25 am - 8:35 amIAD-PHL
24h 10m3 stops
2:15 pm - 9:35 pmPHL-IAD
7h 20m1 stop
$468
Find Deal
Sat, Jun 1 - Sun, Jun 2
8:25 am - 8:35 amIAD-PHL
24h 10m3 stops
2:15 pm - 11:35 amPHL-IAD
45h 20m3 stops
$487
Find Deal
Sat, Jun 1 - Sun, Jun 2
8:25 am - 9:00 amIAD-PHL
24h 35m3 stops
2:15 pm - 9:35 pmPHL-IAD
7h 20m1 stop
$544
Find Deal
Sat, Jun 1 - Sun, Jun 2
8:15 am - 11:17 pmIAD-PHL
15h 02m2 stops
3:59 pm - 10:29 pmPHL-IAD
6h 30m1 stop
$579United Airlines
Find Deal
Sat, Jun 1 - Sun, Jun 2
2:14 pm - 6:19 pmIAD-PHL
4h 05m1 stop
3:33 pm - 7:45 pmPHL-IAD
4h 12m1 stop
$750American Airlines
Find Deal
Tue, Jun 4 - Fri, Jun 7
5:02 am - 9:26 amIAD-PHL
4h 24m1 stop
10:35 am - 2:57 pmPHL-IAD
4h 22m1 stop
$820American Airlines
Find Deal
Sat, Jun 1 - Sat, Jun 1
12:45 pm - 1:52 pmIAD-PHL
1h 07mnonstop
2:37 pm - 3:46 pmPHL-IAD
1h 09mnonstop
$159United Airlines
Find Deal
Wed, Jul 3 - Sun, Jul 7
10:05 pm - 11:12 pmIAD-PHL
1h 07mnonstop
6:00 am - 7:09 amPHL-IAD
1h 09mnonstop
$219United Airlines
Find Deal
Sat, Jul 27 - Thu, Aug 1
12:45 pm - 1:52 pmIAD-PHL
1h 07mnonstop
2:37 pm - 3:46 pmPHL-IAD
1h 09mnonstop
$437United Airlines
Find Deal
Sun, Jul 28 - Fri, Aug 2

Flights from Dulles Intl to Philadelphia - Travel Insights & Trends

Get data-powered insights and trends into flights from Dulles Intl to Philadelphia to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Philadelphia?

The average price of all flights from Washington, D.C. Dulles Intl Airport to Philadelphia clicked on KAYAK for each day over the last 12 months.
For Washington Dulles Airport to Philadelphia, Monday is the cheapest day to fly on average and Tuesday is the most expensive. Flying from Philadelphia back to Washington Dulles Airport, the best deals are generally found on Monday, with Tuesday being the most expensive.

Which airlines provide the cheapest flights from Washington Dulles Airport to Philadelphia?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Sun Country Air ($137) and American Airlines ($167). The cheapest round-trip tickets were found on United Airlines ($159) and Sun Country Air ($269).

How many flights are there between Washington, D.C. Dulles Intl Airport and Philadelphia per day?

Each day, there are between 2 and 4 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Philadelphia, with an average flight time of 1h 11m. The most common departure time is 6:00 pm and most flights take off in the evening. Each week, there are 19 flights. The most frequent day of departure is Thursday, when 21% of all weekly flights depart. The fewest flights depart on a Monday.

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Philadelphia?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Washington Dulles Airport to Philadelphia take?

Nonstop flights from Washington Dulles Airport generally make it to Philadelphia in 1h 07m. The flying distance between the two cities is 134 miles.

What’s the earliest departure time from Washington Dulles Airport to Philadelphia?

Early birds can take the earliest flight from Washington, D.C. Dulles Intl Airport at 12:45 pm and will be landing in Philadelphia at 1:52 pm.

What’s the latest departure time from Washington Dulles Airport to Philadelphia?

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to Philadelphia jets off at 10:15 pm and lands at 11:22 pm.

Good to know

Cheapest flight

$137
Flight from Washington Dulles Airport to Philadelphia

When to book flights from Dulles Intl to Philadelphia

Are your dates flexible? Find out the best times to travel from Dulles Intl to Philadelphia 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.

FAQs for booking Washington Dulles Airport to Philadelphia flights

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Philadelphia was $137 for a one-way ticket and $159 for a round-trip.

  • Do I need a passport to fly between Washington Dulles Airport and Philadelphia?

    No, a passport isn't needed to fly from Washington Dulles Airport to Philadelphia. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Washington Dulles Airport to Philadelphia?

    When flying out of Washington Dulles Airport you will be using Washington, D.C. Dulles Intl. You will be landing at Philadelphia, also known as Philadelphia.

  • Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to Philadelphia?

    Only American Airlines offers inflight Wi-Fi service on the Washington Dulles Airport to Philadelphia flight route.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Philadelphia?

    The Embraer 175 (Enhanced Winglets) is the aircraft model that flies most regularly on the Washington Dulles Airport to Philadelphia flight route.

  • Which airline alliances offer flights from Washington Dulles Airport to Philadelphia?

    Star Alliance is the only airline alliance operating flights between Washington Dulles Airport and Philadelphia.

  • On which days can I fly direct from Washington Dulles Airport to Philadelphia?

    There are nonstop flights from Washington Dulles Airport to Philadelphia on a daily basis.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and PHL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Washington Dulles Airport to Philadelphia?

Find which airlines fly direct from Dulles Intl to Philadelphia, which days they fly and book direct flights.

Nonstop departures

Washington, D.C. Dulles Intl to Philadelphia

Monday

ANA, Avianca, Copa Airlines, +2 more

ANA, Avianca, +3 more

Tuesday

ANA, Air China, Avianca, +3 more

ANA, Air China, +4 more

Wednesday

ANA, Avianca, Copa Airlines, +2 more

ANA, Avianca, +3 more

Thursday

ANA, Avianca, Copa Airlines, +2 more

ANA, Avianca, +3 more

Friday

ANA, Avianca, Copa Airlines, +2 more

ANA, Avianca, +3 more

Saturday

ANA, Air China, Avianca, +3 more

ANA, Air China, +4 more

Sunday

ANA, Avianca, Copa Airlines, +2 more

ANA, Avianca, +3 more

See more direct flights

Nonstop returns

Philadelphia to Washington, D.C. Dulles Intl

Monday

Avianca, Copa Airlines, Ethiopian Air, +1 more

Avianca, Copa Airlines, +2 more

Tuesday

Air China, Avianca, Copa Airlines, +3 more

Air China, Avianca, +4 more

Wednesday

Avianca, Copa Airlines, Ethiopian Air, +1 more

Avianca, Copa Airlines, +2 more

Thursday

Avianca, Copa Airlines, Ethiopian Air, +1 more

Avianca, Copa Airlines, +2 more

Friday

Avianca, Copa Airlines, Ethiopian Air, +1 more

Avianca, Copa Airlines, +2 more

Saturday

Air China, Avianca, Copa Airlines, +2 more

Air China, Avianca, +3 more

Sunday

Avianca, Copa Airlines, Ethiopian Air, +1 more

Avianca, Copa Airlines, +2 more

See more direct flights
See more direct flights

Book cheap flights from Washington, D.C. to Philadelphia

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Philadelphia found on KAYAK in the last 72 hours.
7/8Mon
1 stopSun Country Air
22h 14mIAD-PHL
$137
7/1Mon
3 stops
14h 59mIAD-PHL
$145
7/1Mon
1 stopSun Country Air
24h 12mIAD-PHL
$149
7/8Mon
3 stops
26h 16mIAD-PHL
$165
6/26Wed
1 stopAmerican Airlines
4h 33mIAD-PHL
$167
9/14Sat
3 stops
20h 05mIAD-PHL
$170
9/14Sat
1 stopAmerican Airlines
5h 15mIAD-PHL
$182
6/8Sat
3 stops
24h 09mIAD-PHL
$190
7/1Mon
nonstopUnited Airlines
1h 07mIAD-PHL
$195
8/3Sat
nonstopUnited Airlines
1h 07mIAD-PHL
$219

Search by stops

Search by airline

Search by price

Last minute flights from Dulles Intl to Philadelphia

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Philadelphia that are departing in the next 10 days.
5/31Fri
multi-stopUnited Airlines
5h 45mIAD-PHL
6/5Wed
multi-stopUnited Airlines
6h 30mPHL-IAD
$353
5/31Fri
multi-stopUnited Airlines
5h 45mIAD-PHL
6/2Sun
multi-stopUnited Airlines
6h 30mPHL-IAD
$378
6/1Sat
multi-stopAmerican Airlines
4h 24mIAD-PHL
6/2Sun
multi-stopAmerican Airlines
4h 28mPHL-IAD
$430
5/31Fri
multi-stopUnited Airlines
5h 45mIAD-PHL
6/5Wed
multi-stopUnited Airlines
14h 54mPHL-IAD
$448
6/1Sat
multi-stop
24h 10mIAD-PHL
6/2Sun
multi-stop
7h 20mPHL-IAD
$468
6/1Sat
multi-stop
24h 10mIAD-PHL
6/2Sun
multi-stop
45h 20mPHL-IAD
$487
6/1Sat
multi-stop
24h 35mIAD-PHL
6/2Sun
multi-stop
7h 20mPHL-IAD
$544
6/1Sat
multi-stopUnited Airlines
15h 02mIAD-PHL
6/2Sun
multi-stopUnited Airlines
6h 30mPHL-IAD
$579
6/4Tue
multi-stopAmerican Airlines
4h 05mIAD-PHL
6/7Fri
multi-stopAmerican Airlines
4h 12mPHL-IAD
$750
6/1Sat
multi-stopAmerican Airlines
4h 24mIAD-PHL
6/1Sat
multi-stopAmerican Airlines
4h 22mPHL-IAD
$820

Search by stops

Search by airline

Search by price

Washington Dulles Airport - Philadelphia Flights

Departure:

Washington Dulles Airport (IAD)United States

Destination:

Philadelphia (PHL)United States

Return flight deals:

Philadelphia - Washington Dulles Airport

Cabin classes:

$1,566
$173

Browse origins:

Browse destinations: