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Cheap Flights from Baltimore Washington International to Philadelphia International

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      Travellers and cabin class, 1 Adult, Economy
      Southwest Airlines

      Compare Baltimore Washington International to Philadelphia International flight deals

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

      Book the best Philadelphia International fare with no extra fees

      Flight deals from Baltimore Washington International to Philadelphia International

      Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to Philadelphia International Airport? If you want to travel next month, return fares start from Rs29,382. Find the lowest prices on one-way and return tickets right here.
      Philadelphia.Rs17,574 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 Rs17,574, select.
      Philadelphia.Rs18,026 per passenger.Departing Tue, 17 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 17 Nov, arriving in Philadelphia International.Price includes taxes and charges.From Rs18,026, select.
      Philadelphia.Rs19,113 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 Rs19,113, select.
      Philadelphia.Rs46,243 per passenger.Departing Wed, 26 May.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Wed, 26 May, arriving in Philadelphia International.Price includes taxes and charges.From Rs46,243, select.
      Philadelphia.Rs46,800 per passenger.Departing Wed, 17 Mar.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Wed, 17 Mar, arriving in Philadelphia International.Price includes taxes and charges.From Rs46,800, select.
      Philadelphia.Rs59,472 per passenger.Departing Tue, 29 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 29 Sep, arriving in Philadelphia International.Price includes taxes and charges.From Rs59,472, select.
      Philadelphia.Rs64,260 per passenger.Departing Sun, 17 Jan.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sun, 17 Jan, arriving in Philadelphia International.Price includes taxes and charges.From Rs64,260, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Baltimore Washington International to Philadelphia International found in the last 4 days, and are subject to change and availability.

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

      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 International flights are currently cheapest in October.
      Sep
      from Rs59,472
      Oct
      from Rs17,574
      Nov
      from Rs18,026
      Dec
      from Rs19,113
      Jan
      from Rs64,260
      Feb
      Find prices
      Mar
      from Rs46,800
      Apr
      Find prices
      May
      from Rs46,243
      Jun
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      Jul
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      Aug
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      Direct flights from Baltimore Washington International to Philadelphia International

      Southwest Airlines

      Baltimore Washington International to Philadelphia International: Alternative routes

      Compare routes from Baltimore Washington International to Philadelphia below. You may find an airport to fly into that's cheaper, faster, or easier than Philadelphia International.

      Philadelphia International

      11km from central Philadelphia
      ClosestCheapest
      from Rs17,574
      Search flights

      Philadelphia Trenton-Mercer

      47km from central Philadelphia
      from Rs26,503
      Search flights

      Greater Wilmington

      49km from central Philadelphia
      Search flights

      Atlantic City International

      75km from central Philadelphia
      from Rs28,226
      Search flights

      Allentown

      81km from central Philadelphia
      from Rs80,524
      Search flights

      Washington D.C. to Philadelphia: Flight information

      The things to know before you go.
      Cheapest flight foundRs17,574
      Cheapest month to flyOctober
      Average flight time1 hr
      Most popular airlineSouthwest Airlines
      Average flights per week15

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

      The best price we found for a return flight from Baltimore Washington International to Philadelphia International is Rs29,382. 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 International.
      Southwest Airlines flies direct from Baltimore Washington International to Philadelphia International.
      As of September 2026, there are 15 flights per week flying from Baltimore Washington International to Philadelphia International.
      The cheapest month to fly from Baltimore Washington International to Philadelphia International is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Philadelphia International Airport on Thursday, 15 October 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 International 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.

      Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Philadelphia International.

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

      • Philadelphia's timezone is UTC-4, which is the same as Washington DC.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Get to the airport on time to board your BWI to PHL flight.

      • Travelling during a peak month like July? School holidays and other high seasons can lead to longer lines at security. Play things extra safe and get there up to four hours before international flights and two hours before a domestic departure.

      • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to visit the city of your choice. Some great stopovers between BWI and PHL include:

        • Norfolk International Airport

        • Raleigh-Durham International Airport

        • Hancock International Airport

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

      • Rs17,574 is the best price for a one-way Baltimore/Wash International Thurgood Marshall Airport to Philadelphia International Airport flight. Return flights start at Rs29,382. These fares may change depending on demand and availability.

      • To pick up cheap tickets from BWI to PHL, book in advance. Airlines generally offer their most competitively priced fares when flights are first released.

      • If you're willing to be flexible with your travel plans, try using the 'Whole month' search function. It'll give you the lowest price across every month when looking for your flight from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia International Airport.

      • Stay on top of deals for cheap flights from BWI to PHL by setting up a Price Alert. You'll get an email or notification through the app when a new low fare is offered.

      • Tailor your trip using filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia International Airport.

      Handy information about Baltimore/Wash International Thurgood Marshall Airport (BWI)

      • When it comes to the on-time performance of Baltimore/Wash International Thurgood Marshall Airport, data shows 77.13% of flights stick to their scheduled arrival time.

      • Baltimore/Wash International Thurgood Marshall Airport is about 48 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 arrive, depending on the traffic.

      • The trip when using public transport usually takes 1 hour 30 minutes.

      • Have an early flight from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia International Airport? Avoid rushing to the terminal (and catch some extra z's) by picking one of these stays near BWI:

      Arriving at Philadelphia International Airport (PHL)

      Getting from Philadelphia International Airport (PHL) to central Philadelphia

      • PHL is located at Industrial Highway and Island Road.

      • Philadelphia International Airport to central Philadelphia has a drive time of about 15 minutes. It's approximately 19 kilometres away.

      • If you're travelling on public transport, expect a journey of about 45 minutes.

      When to fly to Philadelphia International Airport (PHL)

      • The quietest month for a flight from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia International Airport is February, while August is the busiest. Choose the ideal time to go to Philadelphia based on whether you prefer a laid-back vibe or a more bustling atmosphere.

      • Lock in your flight from Baltimore/Wash International Thurgood Marshall Airport to Philadelphia International Airport for July if you'd like to go to Philadelphia during its warmest month. You can expect temperatures of between 18ºC and 32ºC.

      • Look for cheap tickets from BWI to PHL in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -7ºC and 9ºC on average.

      Explore more of United States

      • Philadelphia is always a good idea, but there are so many other parts of United States just 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.

      • Boston is another well-known destination in United States and is around 434 kilometres north-east of Philadelphia. No journey is complete without experiencing 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.