Cheap flights from Philadelphia to Washington, D.C. from $90
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Washington, D.C. departing on 9/5. 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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Spirit Airlines flights from Philadelphia to Washington, D.C.
Our best Spirit Airlines deals on Philadelphia to Washington, D.C. flight tickets
Frontier flights from Philadelphia to Washington, D.C.
Our best Frontier deals on Philadelphia to Washington, D.C. flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Philadelphia to Washington, D.C.
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 Washington, D.C.?
The month of November is, on average, the cheapest month to fly to Washington, D.C. from Philadelphia, with most prices found around $179. If you’re not able to fly to Washington, D.C. in November, then August is your next best option. Flight prices from Philadelphia to Washington, D.C. during August average around $204.
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from Philadelphia is on a Friday. momondo users have found tickets for Friday departures for as low as $611. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Washington, D.C. for around $837.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
In the morning is the cheapest time of day to fly from Philadelphia to Washington, D.C. when you can find flight prices for as low as $597. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $1,185. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Philadelphia to Washington, D.C. flight route?
Fly from Philadelphia to Washington, D.C. Dulles Intl for the best Philadelphia - Washington, D.C. flight prices
What cabin class options are available on Philadelphia to Washington, D.C. flights?
There are 4 cabin classes available to choose from on Philadelphia to Washington, D.C. 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 Philadelphia to Washington, D.C. flights?
You could potentially save up to 14% on your flight if you consider stops on a Philadelphia to Washington, D.C. flight.
What is the cheapest airline that flies from Philadelphia to Washington, D.C.?
Spirit Airlines, JetBlue, and Frontier are the most popular carriers operating from Philadelphia to Washington, D.C.
What airlines fly to Washington, D.C.?
United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Washington, D.C. from Philadelphia according to our data. United Airlines is the first choice among our users, with 92% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.
How many flights depart from Philadelphia to Washington, D.C. on average per day?
16 flights are operational daily from Philadelphia to Washington, D.C. as of June 2025. The most popular departure time for this route is 6:00AM, with 57% of flights per day taking off at noon.
How many flights depart from Philadelphia to Washington, D.C. on average per week?
112 flights are operational weekly from Philadelphia to Washington, D.C. as of June 2025. The most popular departure day for this route is Wed, with 18% of flights per week taking off on this day.
When to book flights from Philadelphia to Washington, D.C.
Cheap Philadelphia to Washington, D.C. (PHL to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Washington, D.C.
Best Price Found | $90 |
|---|---|
Fastest flight time | 0h 59m |
Direct flights | Every day |
Airports in Washington, D.C. | 3 airports |
Is flying the fastest way to get from Philadelphia to Washington, D.C.?
The quickest way is to book a flight from Philadelphia to Washington, D.C., which can be as quick as 0h 59m onboard American Airlines. You can also get a train from Philadelphia to Washington, D.C., or a bus from Philadelphia to Washington, D.C. which can take you longer to arrive at your destination.
Is flying the cheapest way to get from Philadelphia to Washington, D.C.?
A train from Philadelphia to Washington, D.C. is currently going to be the least expensive option currently available. You can also find deals for a flight from Philadelphia to Washington, D.C. starting at $179, or consider a bus from Philadelphia to Washington, D.C. starting at $42. Both of these alternative options are worth considering when looking to reach your destination.
How far is Philadelphia to Washington, D.C. by plane?
Philadelphia and Washington, D.C. are 123.7 mi apart from one another. Typically, this will take 0h 59m by plane in normal conditions.
When did momondo last update prices for flights from Philadelphia Airport to Washington, D.C.?
Prices for flights from Philadelphia Airport to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Washington, D.C.?
As of June 2025, there are 2 operators available to choose from for flights from Philadelphia Airport to Washington, D.C..
How old do you have to be to fly from Philadelphia Airport to Washington, D.C.?
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 Philadelphia Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Philadelphia to Washington, D.C.?
Based on momondo bookings for flights between Philadelphia and Washington, D.C., the leading plane model is Airbus A319, making up 9.49% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 7.64%, Canadair (Bombardier) Regional Jet 900 with 7.22%, and Boeing 787-9 Dreamliner with 6.60%.
What is the most popular airline from Philadelphia to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Washington, D.C. is American Airlines (73% of total bookings). The next most popular airline is United Airlines (27%).
Best airlines flying from Philadelphia to Washington, D.C.
Compare and see reviews for airlines that fly from Philadelphia to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $159 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $159 | Free Cancellation | Rating 7.2 10,000 reviews |
United Airlines Flights From Philadelphia to Washington, D.C.
United Airlines is one of the most popular airlines flying from Philadelphia to Washington, D.C., operating 20 flights/week on average for this route. A good United Airlines flight deal for Philadelphia to Washington, D.C. starts from $159 round-trip, up to an average price of $265. Our users have rated United Airlines at 7.4/10.
American Airlines Flights From Philadelphia to Washington, D.C.
Another popular option for Philadelphia to Washington, D.C. flights is American Airlines (7.2/10, 10,000 ratings). American Airlines flies from Philadelphia to Washington, D.C. around 21 times per week, with deals starting from $159 round-trip and rising to an average price of around $221.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Philadelphia to Washington, D.C.?
It is quick and easy to find Philadelphia to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.
Can I find flights from Philadelphia to Washington, D.C. with flexible booking policies on momondo?
All flight searches from Philadelphia to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Philadelphia to Washington, D.C.?
Once all potential Philadelphia to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Philadelphia to Washington, D.C. right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Washington, D.C. from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.