$70 Find Cheap Flights from Washington Dulles Airport to Philadelphia - Compare and Save

Among airlines operating Washington, D.C. Dulles Intl Airport to Philadelphia flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

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

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

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.

Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Philadelphia:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $189 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $378 for nonstop.

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.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Canadair (Bombardier) Regional Jet CRJ-550 variants.

Connecting flights from Washington, D.C. Dulles Intl Airport to Philadelphia most commonly pass through:

• Atlanta Hartsfield-Jackson (ATL) - 83% of one-stop connections
• Charlotte Douglas (CLT) - 17% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

On the Washington, D.C. Dulles Intl Airport to Philadelphia route, being flexible with your departure day can save you up to 61%. Saturday is the cheapest day at $239 round-trip on average, while Tuesday is the most expensive at $610: a $371 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Washington, D.C. Dulles Intl Airport to Philadelphia flights, with 25% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 25%.

Some of the most popular sights in Philadelphia are Philadelphia Convention Center, Rittenhouse Square and Philadelphia Stadium. These are among the most viewed places in Philadelphia on KAYAK.

These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Philadelphia:

• Earliest: departs at 8:29 am and lands at 9:44 am
• Latest: departs at 10:17 pm and lands at 11:32 pm.

The flight takes about 1h 15m.

A nonstop flight from Washington, D.C. Dulles Intl Airport to Philadelphia takes 1h 15m, covering 134 miles.

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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $110 to $1,015. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from Washington, D.C. Dulles Intl Airport to Philadelphia are currently lower than usual. Average one-way flight prices are about $96, which is 65% below the typical average for this route.

Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 4h 01m, compared with 6h 14m via Atlanta Hartsfield-Jackson (ATL).

Philadelphia Airport (PHL) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:
• Payless
• Dollar
• Hertz
• Thrifty
• Budget

Round-trip flights from Washington, D.C. Dulles Intl Airport to Philadelphia range from $239 to $491, with an average of $328 over the past 12 months. Anything below $239 counts as a good deal.