PHL - WAS

$76 Find Cheap Flights from Philadelphia to Washington, D.C.

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Washington, D.C. departing on 6/8. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C.

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Washington, D.C., 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 Philadelphia to Washington, D.C., as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$126
Typical prices: $528-$295
Frontier
Sat 5/30Tue 6/2
PHL - IAD • 1 stop
Cheapest non-stop
$239
Typical prices: $424-$257
United Airlines
Tue 5/26Tue 6/2
PHL - IAD • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
American's Basic Economy is ideal for budget travelers.
DCA is the most convenient airport for downtown D.C.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $126 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with American Airlines and United Airlines. Average duration is 1h 15m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest • 10% average savings
Most popular
Insights
Insights
Insights
Insights
When to travel
Cheapest • 19% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Washington, D.C.!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Philadelphia to Washington, D.C. (PHL-WAS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Washington, D.C.

Sat, May 30 - Tue, Jun 2
Frontier Logo
6:00 am - 7:50 pm
PHL
-
IAD
13h 50m
1 stop
Frontier Logo
5:30 pm - 11:53 pm
IAD
-
PHL
30h 23m
1 stop
$126Frontier
Wed, May 20 - Wed, May 27
Frontier Logo
6:00 am - 12:15 pm
PHL
-
BWI
30h 15m
1 stop
Frontier Logo
7:27 pm - 12:45 am
BWI
-
PHL
29h 18m
1 stop
$128Frontier
Tue, Jun 9 - Tue, Jun 16
Frontier Logo
5:32 pm - 6:32 pm
PHL
-
BWI
25h 00m
1 stop
Frontier Logo
7:27 pm - 12:21 am
BWI
-
PHL
28h 54m
1 stop
$145Frontier
Wed, May 27 - Wed, Jun 3
Multiple Airlines Logo
8:00 am - 12:15 pm
PHL
-
BWI
28h 15m
1 stop
Multiple Airlines Logo
6:30 am - 11:53 pm
BWI
-
PHL
17h 23m
1 stop
$146Multiple Airlines
Wed, May 27 - Wed, Jun 3
Multiple Airlines Logo
8:00 am - 12:15 pm
PHL
-
BWI
28h 15m
1 stop
Multiple Airlines Logo
6:30 am - 11:53 pm
BWI
-
PHL
17h 23m
1 stop
$152Multiple Airlines
Sat, May 30 - Tue, Jun 2
Multiple Airlines Logo
6:00 am - 7:50 pm
PHL
-
IAD
13h 50m
1 stop
Multiple Airlines Logo
11:07 am - 11:32 pm
IAD
-
PHL
12h 25m
2 stops
$152Multiple Airlines
Wed, Sep 30 - Sat, Oct 3
JetBlue Logo
10:45 am - 4:17 pm
PHL
-
DCA
5h 32m
1 stop
JetBlue Logo
12:10 pm - 6:04 pm
DCA
-
PHL
5h 54m
1 stop
$212JetBlue
Tue, Jun 9 - Tue, Jun 16
JetBlue Logo
6:00 am - 10:44 am
PHL
-
DCA
4h 44m
1 stop
JetBlue Logo
2:20 pm - 8:00 pm
DCA
-
PHL
5h 40m
1 stop
$220JetBlue
Wed, May 20 - Wed, May 27
American Airlines Logo
3:20 pm - 4:42 pm
PHL
-
DCA
1h 22mnonstop
American Airlines Logo
1:39 pm - 2:51 pm
DCA
-
PHL
1h 12mnonstop
$239American Airlines
Wed, May 27 - Wed, Jun 3
American Airlines Logo
3:47 pm - 5:00 pm
PHL
-
DCA
1h 13mnonstop
American Airlines Logo
5:00 pm - 6:14 pm
DCA
-
PHL
1h 14mnonstop
$241American Airlines
Booking Insights

KAYAK's insights & trends for Philadelphia to Washington, D.C. flights

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

How much is a round-trip flight from Philadelphia to Washington, D.C.?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Philadelphia to Washington, D.C. departing in May.

What is the cheapest Philadelphia to Washington, D.C. flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Philadelphia to Washington, D.C. costs $299 on the route between Philadelphia (PHL) and Washington, D.C. Reagan-National Airport (DCA). Over the past month, this route was, on average, 10% cheaper than other Philadelphia-Washington, D.C. routes. The most popular route is between Philadelphia (PHL) and Washington, D.C. Dulles Intl Airport (IAD).

What’s the cheapest day of the week to fly from Philadelphia to Washington, D.C.?

The average price of all round-trip flights from Philadelphia to Washington, D.C. clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Washington, D.C. on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Philadelphia to Washington, D.C.. For your return ticket, we recommend flying on a Friday and avoiding Tuesdays for the best deals.

What is the cheapest month to fly from Philadelphia to Washington, D.C.?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Philadelphia to Washington, D.C., removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Philadelphia to Washington, D.C. is October, where tickets cost $144 (return) on average. On the other hand, the most expensive months are August and January, where the average cost of round-trip tickets is $199 and $179 respectively.

Can I save money by flying with a layover from Philadelphia to Washington, D.C.?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $369 on average.

Expert advice

Expert advice for your flight from Philadelphia to Washington, D.C.

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, DCA and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines and PHL

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Good to know

Low seasonNovember
Cheapest flight$76
Best time to beat the crowds with an average 32% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Philadelphia to Baltimore

When to book flights from Philadelphia to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Philadelphia to Washington, D.C. 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 flights from Philadelphia to Washington, D.C.

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

    In the last 3 days, the lowest price for a flight from Philadelphia to Washington, D.C. was $76 for a one-way ticket and $126 for a round-trip.

  • Do I need a passport to fly between Philadelphia and Washington, D.C.?

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

  • Which airports will I be using when flying from Philadelphia to Washington, D.C.?

    Philadelphia is served by only 1 airport and there are 2 airports in Washington, D.C.. You will leave Philadelphia from Philadelphia and you will be arriving in Washington, D.C. at one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl.

  • Which airlines offer Wi-Fi service onboard planes from Philadelphia to Washington, D.C.?

    All the following airlines offer inflight Wi-Fi service on the Philadelphia to Washington, D.C. flight route: American Airlines, Finnair, Aer Lingus, Iberia, British Airways, and JetBlue.

  • Which aircraft models fly most regularly from Philadelphia to Washington, D.C.?

    The Airbus A321neo is the aircraft model that flies most regularly on the Philadelphia to Washington, D.C. flight route.

  • Which airline alliances offer flights from Philadelphia to Washington, D.C.?

    oneworld, and Star Alliance are the airline alliances operating flights between Philadelphia and Washington, D.C., with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Philadelphia to Washington, D.C.?

    There are nonstop flights from Philadelphia to Washington, D.C. on a daily basis.

  • Which is the best airline for flights from Philadelphia to Washington, D.C., United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Philadelphia to Washington, D.C. are United Airlines and American Airlines. With an average price for the route of $294 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $249 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Philadelphia to Washington, D.C.?

    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 Philadelphia to Washington, D.C..

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Philadelphia 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 Philadelphia to Washington, D.C.?

    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 Washington, D.C. with an airline and back to Philadelphia with another airline.

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

    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 Washington, D.C. from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Philadelphia to Washington, D.C.

  • Looking for a cheap flight? 25% of our users found flights on this route for $398 or less one-way and $621 or less round-trip.

Prefer to fly direct from Philadelphia to Washington, D.C.?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Philadelphia to Washington, D.C..
Find which airlines fly direct from Philadelphia Airport to Washington, D.C., which days they fly and book direct flights.

Direct departures

Philadelphia to Washington, D.C.

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Direct returns

Washington, D.C. to Philadelphia

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Reviews of the top airlines flying from Philadelphia to Washington, D.C.

 
See real verified KAYAK customer reviews for airlines flying from Philadelphia to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Philadelphia to Washington, D.C.? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9680 reviews
7.1Entertainment
7.7Boarding
7.3Comfort
6.6Food
8.1Crew
Airline reviews

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

8.0 ExcellentAnonymous, Apr 2026
DEN - IAD
Read more United Airlines reviews

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

Terrific in every way. On time, professional staff, multiple movie options to select, great food and drink.

My bags were misplaced!!! Im in a foreign country with no bags

newer aircraft, ability to connect my headset via blue tooth for entertainment.

I liked that it was on time, however, the food was not good.

Offered to check carry on to final destination. This is the most absurd thing in the world. I'm carrying on because I need what is in the carry-on. I'm okay with picking up at next stop but then I will be on much larger plane that can accommodate it. Also, if there is ever a change to your flight. Go to the airport and have the people there fix your ticket. Don't do it over the phone or online with United they screwed us up and ended up with flights for our last leg that took off before our first leg.

United is one airline which regardless of how many separate United tickets in existence, if one flight breaks down, the airline will take care of all the flights.

It was okay, the food was good, but after the landing there was not enough time for luggage and security to catch a connection. It was crowded on board.

When I went to check in at the United counter in Barcelona, Spain I had 2 different menat 2 different times in United uniforms (standing around with a couple other employees) ask me if I was traveling alone. The one man asked me 3 different ways if I was traveling alone. I am, 68 yeaers old and have all my faculties. I thought it was weird and it made me feel very uncomfortable. What difference does it make if I was traveling alone or with someone? What if I was a recent widow? That would have been horrible. They never gave me a reason why they needed to know who I was traveling with. I was hesitant to question them because I needed to be on that flight.

We were delayed for about an hour from taking off due to traffic control procedures at the destination airport. But once in the air, the flight went well. The crew members were great and provided cabin service despite moderate turbulence during much of the flight.

Flight left early and arrived 30 MINUTES early at the destination. Smooth trip.

Flight was 3 hours delayed. They gave our plan to two other routes. Need to knock that off.

The flight was on time and the landing was very smooth. The crew and flight attendants were all very friendly and professional.

Plane was super cold. No entertainment unless you were with mileage program Getting off the plane was super slow

I appreciate that I finally got the seat I paid extra for this time. Thank you

Half of the TSA checkpoints at PHL are closed. Also, there is no standby for first class passengers. You can only standby for coach. Very dated policy and inconsistent with peers.

It would have been nice if American tried to care.

Delayed initially because they couldn’t print the flight details. Poor instruction on delay. When I got on the plane the flight attendant argued with me about whether my carry on would fit (it did, although she didn’t acknowledge that). No greeting (other than arguing with me) getting on or off the plane.

Beverage service was not good. Also just one service in 5 hr 30 min flight. No ask fir water ir anything beside one time beverage service.

They are always late and seats was also not having working charger

Everything you need to know for your flight from Philadelphia to Washington, D.C.

Information on your arrival and departure airports

Compare transportation modes for Philadelphia to Washington, D.C.

Transportation modeAverage priceAverage duration
Flights$1,1171h 08m
Trains$602h 06m
Buses$650h 00m