£279 Cheap Flights from Baltimore (BWI) to Philadelphia (PHL)

View £279 flight on Wed, 10 Jun 2026Opens in a new window

Popular airlines from Baltimore Washington International Airport (BWI) to Philadelphia International Airport (PHL)

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Cheap Flights from Baltimore (BWI) to Philadelphia (PHL)

Prices were available within the past 7 days and start at £279 for one-way flights and £585 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 13 May - Wed, 20 May
BWI
Baltimore
PHL
Philadelphia
£585 Return, found 1 day ago
£585
Return
found 1 day ago
Select American Airlines flight, departing Wed, 13 May from Baltimore to Philadelphia, returning Wed, 20 May, priced at £585 found 1 day ago
American Airlines
Mon, 11 May - Mon, 18 May
BWI
Baltimore
PHL
Philadelphia
£607 Return, found 1 day ago
£607
Return
found 1 day ago
Select American Airlines flight, departing Mon, 11 May from Baltimore to Philadelphia, returning Mon, 18 May, priced at £607 found 1 day ago
United
Wed, 13 May - Wed, 20 May
BWI
Baltimore
PHL
Philadelphia
£611 Return, found 1 day ago
£611
Return
found 1 day ago
Select United flight, departing Wed, 13 May from Baltimore to Philadelphia, returning Wed, 20 May, priced at £611 found 1 day ago
American Airlines
Wed, 13 May - Wed, 20 May
BWI
Baltimore
PHL
Philadelphia
£619 Return, found 1 day ago
£619
Return
found 1 day ago
Select American Airlines flight, departing Wed, 13 May from Baltimore to Philadelphia, returning Wed, 20 May, priced at £619 found 1 day ago
American Airlines
Wed, 13 May - Wed, 20 May
BWI
Baltimore
PHL
Philadelphia
£621 Return, found 1 day ago
£621
Return
found 1 day ago
Select American Airlines flight, departing Wed, 13 May from Baltimore to Philadelphia, returning Wed, 20 May, priced at £621 found 1 day ago
Delta
Wed, 13 May - Wed, 20 May
BWI
Baltimore
PHL
Philadelphia
£632 Return, found 1 day ago
£632
Return
found 1 day ago
Select Delta flight, departing Wed, 13 May from Baltimore to Philadelphia, returning Wed, 20 May, priced at £632 found 1 day ago
United
Tue, 12 May - Tue, 19 May
BWI
Baltimore
PHL
Philadelphia
£633 Return, found 1 day ago
£633
Return
found 1 day ago
Select United flight, departing Tue, 12 May from Baltimore to Philadelphia, returning Tue, 19 May, priced at £633 found 1 day ago
American Airlines
Mon, 11 May - Mon, 18 May
BWI
Baltimore
PHL
Philadelphia
£642 Return, found 1 day ago
£642
Return
found 1 day ago
Select American Airlines flight, departing Mon, 11 May from Baltimore to Philadelphia, returning Mon, 18 May, priced at £642 found 1 day ago
American Airlines
Mon, 11 May - Mon, 18 May
BWI
Baltimore
PHL
Philadelphia
£644 Return, found 1 day ago
£644
Return
found 1 day ago
Select American Airlines flight, departing Mon, 11 May from Baltimore to Philadelphia, returning Mon, 18 May, priced at £644 found 1 day ago
Alaska Airlines
Sun, 14 Jun - Mon, 15 Jun
BWI
Baltimore
PHL
Philadelphia
£793 Return, found 3 days ago
£793
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun, 14 Jun from Baltimore to Philadelphia, returning Mon, 15 Jun, priced at £793 found 3 days ago

Frequently asked questions

How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.)?
There are approximately 56 connecting flights per day from Baltimore Washington Intl. Thurgood Marshall (BWI) to Philadelphia Intl. (PHL). Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), Charlotte-Douglas Intl. (CLT), and O'Hare Intl. (ORD).
What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The earliest flight from Baltimore Washington Intl. Thurgood Marshall (BWI) to Philadelphia Intl. (PHL) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in July. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.)?
You'll typically find the most flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to Philadelphia Intl. (PHL) on a Sunday, with around 47 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, Delta Air Lines, and American Airlines. Sundays offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to Philadelphia Intl. (PHL) are in the morning, between 6am and 9am. About 28% of passengers prefer this time window. Many major carriers, including Delta, Southwest Airlines and American Airlines, offer flights during this window. This timing works well for travelers who want to get an early start on their journey.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.)?
Flying from BWI to PHL with a connection usually takes about 5 hours 50 minutes, traveling roughly 90 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.)?
Select the "Business class" and "First class" filters when looking for BWI to PHL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Philadelphia from Baltimore Washington Intl. Thurgood Marshall (BWI)?
If you're planning to travel to Philadelphia from Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly directly into Philadelphia Intl. (PHL) Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), MYR (MYR), Gerald R. Ford Intl. (GRR) before reaching Philadelphia. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Philadelphia, PA (PHL-Philadelphia Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, United
Return price
£584
Distance
144 km

Book with confidence

Compare flights from Baltimore to Philadelphia easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Baltimore to Philadelphia. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Philadelphia Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Baltimore Washington Intl. Thurgood Marshall to Philadelphia Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Baltimore Washington Intl. Thurgood Marshall (BWI) to Philadelphia Intl. (PHL)

The easiest way to view the best deals on flights from Baltimore to Philadelphia today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Baltimore Washington Intl. Thurgood Marshall to Philadelphia Intl. start at just £585 and range up to £793.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Baltimore and Philadelphia
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Baltimore to Philadelphia flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Baltimore Washington Intl. Thurgood Marshall to Philadelphia Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Baltimore to Philadelphia easily and book with confidence

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