Cheap Flights from Baltimore Washington International to Philadelphia

Compare Baltimore Washington International to Philadelphia flight deals

Find the cheapest month or even day of the year to fly to Philadelphia

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Flight deals from Baltimore Washington International to Philadelphia

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International to Philadelphia? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Baltimore Washington International to Philadelphia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Philadelphia flights are currently cheapest in January.

Alternative Baltimore Washington International to Philadelphia routes

Looking for the cheapest, fastest or easiest route from Baltimore Washington International to Philadelphia? You could fly into the following airports instead.

Washington D.C. to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundRs17,062
Cheapest month to flyJanuary

Finding cheap flights from Baltimore Washington International to Philadelphia: Frequently asked questions

There are 6 airports in Philadelphia: Philadelphia International, Blue Bell, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from Baltimore Washington International to Philadelphia is Rs38,315. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Baltimore Washington International to Philadelphia. But we found flights with one or more stops from Rs38,315.
As of January 2026, there are no flights flying from Baltimore Washington International to Philadelphia.
The cheapest month to fly from Baltimore Washington International to Philadelphia is usually January.
If you're flying from Baltimore Washington International Airport, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from Rs38,315.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Philadelphia on Saturday, 17 January 2026.
No airlines currently offer direct flights between Baltimore Washington International Airport and Philadelphia. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
In January, the average temperature is usually around -1°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
Currently, Frontier Airlines offers the cheapest flight tickets to Philadelphia.

Flying from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Philadelphia: what you need to know

  • Philadelphia and Washington DC (where Baltimore/Wash International Thurgood Marshall Airport is located) are both in the UTC-4 timezone. This means you won't have to adjust your watch after you land.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to catch your BWI to Philadelphia flight.

  • Delays at check-in and security are likely if you're flying during high season, so give yourself a little extra breathing room. A good rule of thumb for peak periods? Get there up to four hours ahead for international flights and two hours for domestic departures.

  • BWI is around 40 kilometres from central Washington DC. If you're driving, ride-sharing or catching a cab from the centre, it'll take 50 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the journey time to be around 1 hour 30 minutes.

  • Want a hassle-free start to your trip? Stay near BWI. Whether you're taking an early flight from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia or don't want departure day to feel hectic, these hotels are worth a look:

  • 77.13% of flights taking off from Baltimore/Wash International Thurgood Marshall Airport reach their destination on time.

How to find the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Philadelphia

  • Rs17,062 is currently the lowest price for a one-way Baltimore/Wash International Thurgood Marshall Airport to Philadelphia flight. Return flight tickets start at Rs38,315. These prices can change based on availability and demand.

  • Booking in advance is often the key to scoring a cheap flight from BWI to Philadelphia. Prices tend to rise as demand increases, so the closer you get to departure, the more you'll likely spend on your ticket.

  • The 'Whole month' search tool will show you the cheapest tickets from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia throughout the month. It's an easy way to find a bargain if your trip dates aren't set in stone.

  • Spend less time searching for cheap flights from BWI to Philadelphia by creating a Price Alert. You'll get an email or notification through the app when a new low fare is offered.

  • Find an affordable flight from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia with the help of our filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • Philadelphia International Airport (PHL) to central Philadelphia takes around 15 minutes to reach by car. The centre is roughly 19 kilometres away.

  • When travelling by public transport, expect a journey time of about 45 minutes.

  • The last thing you want is a long journey to your hotel if you're landing late on a flight from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia. Stay at one of these accommodation options near PHL instead:

  • Pick up a Philadelphia International Airport rental car and explore Philadelphia and beyond with your own wheels. Dollar, Thrifty and Budget are popular providers to choose from here.

  • To secure the lowest price, reserve your ride from Philadelphia International Airport around three weeks ahead of your flight from BWI to Philadelphia.

  • PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • Trenton-Mercer Airport (TTN) is roughly 56 kilometres from the centre of Philadelphia. Once you've disembarked your flight from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia, it'll take you around 40 minutes to reach the heart of the city in a cab or ride-share.

  • Travelling by public transport will take around 1 hour 45 minutes.

  • There are some great places to call home for the night near TTN. Settle in and get cosy after your BWI to Philadelphia flight at one of these perfectly located options:

  • Forget about public transport schedules or waiting in a long cab line. Pick up a Trenton-Mercer Airport rental car and take your journey in whatever direction you like. Compare rates and availability from Budget, National and Enterprise.

  • Snap up a deal by booking your ride from TTN four weeks ahead of time. You'll also have access to a greater selection of vehicles.

  • You'll find Trenton-Mercer Airport at Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • Carefully consider your dates before locking in your flight from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia. The city comes alive in high season, but hotel prices are often higher and attractions can be busy. Plan your trip to Philadelphia in the low season if you prefer a more relaxed vibe.

  • Before locking in your Baltimore/Wash International Thurgood Marshall Airport to Philadelphia flight ticket, think about what kind of weather works for you. July is the warmest month in Philadelphia, with temperatures ranging from 18ºC to 32ºC.

  • January sees average temperatures of between -7ºC and 9ºC. Look for a cheap ticket from BWI to Philadelphia around that time if you want to travel in cooler conditions.

More about Philadelphia

Explore more of United States

  • Philadelphia has its own special appeal, but there are so many other parts of United States waiting to be discovered. About 129 kilometres north-east of Philadelphia, a trip to New York will keep you on the go. Don't miss top attractions like Statue of Liberty, Central Park and Empire State Building.

  • Around 434 kilometres north-east of Philadelphia, Boston is another essential stop in United States. Get a taste of what this destination has to offer at Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.