Cheap flights from Washington, D.C. Dulles Intl Airport to Philadelphia from $129
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Philadelphia departing on 6/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Washington, D.C. Dulles Intl Airport to Philadelphia
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United Airlines flights from Washington, D.C. Dulles Intl Airport to Philadelphia
Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Philadelphia flight tickets
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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 February. Flight prices, which tend to average around $179, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Philadelphia, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $199.
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 $549. On the other hand, Sunday 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 $812.
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 at noon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Philadelphia at noon for as low as $518. 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 $861.
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
How many flights depart from Washington, D.C. Dulles Intl Airport to Philadelphia on average per day?
The number of flights available between Washington, D.C. Dulles Intl Airport and Philadelphia is 8 per day as of May 2025. The most frequent departure time is 5:00PM, with 80% of daily flights leaving in the afternoon.
How many flights depart from Washington, D.C. Dulles Intl Airport to Philadelphia on average per week?
As of May 2025, 58 flights take off from Washington, D.C. Dulles Intl Airport and land in Philadelphia each week. The most common flight departure day for this route is Tue, with 17% of weekly flights taking off on this day.
When to book flights from Washington, D.C. Dulles Intl Airport to Philadelphia
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 | $129 |
|---|---|
Fastest flight time | 1h 09m |
Direct flights | Tue, Wed, Thu, Fri and Sat |
Airports in Philadelphia | 1 airport |
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 09m 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?
As of May 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Philadelphia, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 29.31% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 8.62%, Embraer 175 (Enhanced Winglets) with 6.90%, and Embraer 175 with 6.90%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Philadelphia?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Philadelphia, the leading airline is United Airlines, making up 100% of the total bookings.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $179 | Free Cancellation | Rating 7.4 8,710 reviews |
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 19 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. Dulles Intl Airport to Philadelphia starts from $179 round-trip, up to an average price of $304. Our users have rated United Airlines at 7.4/10.
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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.