Cheap flights from Washington, D.C. to Philadelphia from $86
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. to Philadelphia departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Washington, D.C. to Philadelphia
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Spirit Airlines flights from Washington, D.C. to Philadelphia
Our best Spirit Airlines deals on Washington, D.C. to Philadelphia flight tickets
American Airlines flights from Washington, D.C. to Philadelphia
Our best American Airlines deals on Washington, D.C. to Philadelphia flight tickets
See travel insights to Philadelphia from
How to get the cheapest flight ticket from Washington, D.C. 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 day to depart on your flight to Philadelphia?
The cheapest day to depart from Washington, D.C. to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $543. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $786.
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. to Philadelphia in the morning for as low as $544. 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 $867.
What is the cheapest Washington, D.C. to Philadelphia flight route?
Fly from Washington, D.C. Reagan-National to Philadelphia for the best Washington, D.C. - Philadelphia flight prices
What cabin class options are available on Washington, D.C. to Philadelphia flights?
There are 4 cabin classes available to choose from on Washington, D.C. to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Washington, D.C. to Philadelphia?
Spirit Airlines, American Airlines, and United Airlines are the most popular carriers operating from Washington, D.C. to Philadelphia
What airlines fly to Philadelphia?
United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Philadelphia from Washington, D.C. 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 Philadelphia. Keep in mind that there are 3 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. to Philadelphia on average per day?
As of April 2025, 14 flights take off from Washington, D.C. and land in Philadelphia each day. The most common flight departure time for this route is 5:00PM, with 74% of daily flights taking off in the afternoon.
How many flights depart from Washington, D.C. to Philadelphia on average per week?
As of April 2025, there are 103 flights per week flying from Washington, D.C. to Philadelphia. The most common day of the week flights depart is Tue, with 18% of flights taking off on this day.
When to book flights from Washington, D.C. to Philadelphia
Cheap Washington, D.C. to Philadelphia (WAS to PHL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Philadelphia
Best Price Found | $86 |
|---|---|
Fastest flight time | 0h 52m |
Direct flights | Every day |
Airports in Philadelphia | 1 airport |
Is flying the fastest way to get from Washington, D.C. to Philadelphia?
At 0h 52m, choosing to opt for a flight from Washington, D.C. to Philadelphia for this trip versus opting for a train from Washington, D.C. to Philadelphia or a bus from Washington, D.C. to Philadelphia can save you time on travel.
Is flying the cheapest way to get from Washington, D.C. to Philadelphia?
A train from Washington, D.C. to Philadelphia is currently going to be the least expensive option currently available. You can also find deals for a flight from Washington, D.C. to Philadelphia starting at $175, or consider a bus from Washington, D.C. to Philadelphia starting at $56. Both of these alternative options are worth considering when looking to reach your destination.
How far is Washington, D.C. to Philadelphia by plane?
There are 123.7 mi between Washington, D.C. and Philadelphia. A reasonable flight in good conditions will take 0h 52m.
What is the carbon footprint of flying from Washington, D.C. to Philadelphia?
The carbon footprint of a Washington, D.C. to Philadelphia flight is around 116lb, which may vary slightly based on airline and stops. There is a CO2 sorter on our flight search results to help you select the lowest possible footprint. By train, you could lower your emissions for this trip by about 80%. If you can take the time, the carbon footprint of a bus for this journey would be 15lb, some 87% less than flying.
When did momondo last update prices for flights from Washington, D.C. to Philadelphia Airport?
Prices for flights from Washington, D.C. to Philadelphia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Philadelphia Airport?
The number of operators available for flights from Washington, D.C. to Philadelphia Airport is 2 as of April 2025.
How old do you have to be to fly from Washington, D.C. 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. to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Washington, D.C. to Philadelphia?
Based on momondo bookings for flights between Washington, D.C. and Philadelphia, the leading plane model is Boeing 777, making up 6.85% of the total bookings. Other popular models include Boeing 767-300 with 6.85%, Boeing 737 MAX 8 with 6.37%, and Airbus A321neo with 5.69%.
What is the most popular airline from Washington, D.C. to Philadelphia?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Philadelphia is American Airlines, representing 67% of all bookings. The subsequent popular airline is United Airlines at 33%.
Best airlines flying from Washington, D.C. to Philadelphia
Compare and see reviews for airlines that fly from Washington, D.C. to Philadelphia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $179 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 7.4 8,615 reviews |
United Airlines Flights From Washington, D.C. to Philadelphia
United Airlines flies from Washington, D.C. to Philadelphia around 19 times per week, with 8,615 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. to Philadelphia in the last 72 hours was $179 (round-trip), much lower than the average airfare cost of $304 for United Airlines flights on this route.
American Airlines Flights From Washington, D.C. to Philadelphia
American Airlines (7.2/10 from 10,000 reviews) operates around 12 flights from Washington, D.C. to Philadelphia in any given week. The average American Airlines airfare for this route is around $331, with deals from around $179 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. to Philadelphia flight searches in the last 72 hours.
Traveling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Philadelphia?
It is quick and easy to find Washington, D.C. to Philadelphia 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 Philadelphia that suits you.
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?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Washington, D.C..
I’m not ready to book a flight from Washington, D.C. to Philadelphia right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Washington, D.C. and alert you when they change.