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Cheap Flights from Baltimore Washington International to Philadelphia

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      Travellers and cabin class, 1 Adult, Economy
      Southwest Airlines

      Compare Baltimore Washington International to Philadelphia flight deals

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

      Book the best Philadelphia fare with no extra fees

      Flight deals from Baltimore Washington International to Philadelphia

      Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to Philadelphia? If you want to travel next month, return fares start from Rs39,510. Find the lowest prices on one-way and return tickets right here.
      Philadelphia.Rs19,160 per passenger.Departing Wed, 9 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Wed, 9 Sep, arriving in Philadelphia International.Price includes taxes and charges.From Rs19,160, select.
      Philadelphia.Rs20,627 per passenger.Departing Mon, 9 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon, 9 Nov, arriving in Philadelphia International.Price includes taxes and charges.From Rs20,627, select.
      Philadelphia.Rs20,852 per passenger.Departing Wed, 21 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Wed, 21 Oct, arriving in Philadelphia International.Price includes taxes and charges.From Rs20,852, select.
      Philadelphia.Rs24,840 per passenger.Departing Wed, 2 Dec.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Wed, 2 Dec, arriving in Philadelphia International.Price includes taxes and charges.From Rs24,840, select.
      Philadelphia.Rs42,260 per passenger.Departing Mon, 31 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon, 31 Aug, arriving in Philadelphia International.Price includes taxes and charges.From Rs42,260, select.
      Philadelphia.Rs118,454 per passenger.Departing Thu, 13 May.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Baltimore Washington International on Thu, 13 May, arriving in Philadelphia International.Price includes taxes and charges.From Rs118,454, select.
      Philadelphia.Rs282,001 per passenger.Departing Fri, 8 Jan.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Baltimore Washington International on Fri, 8 Jan, arriving in Philadelphia International.Price includes taxes and charges.From Rs282,001, select.

      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 September.
      Aug
      from Rs42,260
      Sep
      from Rs19,160
      Oct
      from Rs20,852
      Nov
      from Rs20,627
      Dec
      from Rs24,840
      Jan
      from Rs282,001
      Feb
      Find prices
      Mar
      Find prices
      Apr
      Find prices
      May
      from Rs118,454
      Jun
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      Jul
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      Direct flights from Baltimore Washington International to Philadelphia

      Southwest Airlines

      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.

      Philadelphia International

      11km from central Philadelphia
      ClosestCheapest
      from Rs19,160
      Search flights

      Philadelphia Trenton-Mercer

      47km from central Philadelphia
      Search flights

      Greater Wilmington

      49km from central Philadelphia
      Search flights

      Atlantic City International

      75km from central Philadelphia
      from Rs33,361
      Search flights

      Allentown

      81km from central Philadelphia
      from Rs40,417
      Search flights

      Washington D.C. to Philadelphia: Flight information

      The things to know before you go.
      Cheapest flight foundRs19,160
      Cheapest month to flySeptember
      Average flight time1 hr
      Most popular airlineSouthwest Airlines
      Average flights per week15

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

      There are 5 airports in Philadelphia: Philadelphia International, 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 Rs39,510. 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.
      1 hour is the average flight time from Baltimore Washington International to Philadelphia.
      Southwest Airlines flies direct from Baltimore Washington International to Philadelphia.
      As of August 2026, there are 15 flights per week flying from Baltimore Washington International to Philadelphia.
      The cheapest month to fly from Baltimore Washington International to Philadelphia is usually September.
      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 Rs39,510.
      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 Wednesday, 23 September 2026.
      Yes – the average flight time is 1 hour.
      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 August, the average temperature is usually around 24°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

      • Rs19,160 is currently the lowest price for a one-way Baltimore/Wash International Thurgood Marshall Airport to Philadelphia flight. Return flight tickets start at Rs39,510. 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.

      Plan the rest of your trip from Washington D.C. to Philadelphia

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.