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Flights from Boston to Philadelphia

Search for direct flights from Boston to Philadelphia in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$61, and round-trip direct flights start at US$135.

      • Cheapest nonstop
        BOS 06:00
        1h 45m
        Nonstop
        PHL 07:45
        Boston - Philadelphia | Sat, May 30 | American Airlines
        PHL 18:29
        1h 38m
        Nonstop
        BOS 20:07
        Philadelphia - Boston | Sat, May 30 | Delta Air Lines
        US$135 US$168
        20% off
        20% off
        US$168 US$135
      • BOS 07:05
        1h 41m
        Nonstop
        PHL 08:46
        Boston - Philadelphia | Wed, May 13 | Delta Air Lines
        PHL 16:30
        1h 36m
        Nonstop
        BOS 18:06
        Philadelphia - Boston | Sun, May 17 | Delta Air Lines
        US$143 US$168
        15% off
        15% off
        US$168 US$143
      • BOS 06:00
        1h 35m
        Nonstop
        PHL 07:35
        Boston - Philadelphia | Wed, May 13 | Jetblue Airways
        PHL 06:00
        1h 17m
        Nonstop
        BOS 07:17
        Philadelphia - Boston | Sun, May 17 | Jetblue Airways
        US$147 US$168
        13% off
        13% off
        US$168 US$147
      • BOS 07:05
        1h 41m
        Nonstop
        PHL 08:46
        Boston - Philadelphia | Sat, May 30 | Delta Air Lines
        PHL 18:29
        1h 38m
        Nonstop
        BOS 20:07
        Philadelphia - Boston | Sat, May 30 | Delta Air Lines
        US$149
        11% off
        US$168 US$149
      • BOS 18:20
        1h 38m
        Nonstop
        PHL 19:58
        Boston - Philadelphia | Tue, Jun 9 | Delta Air Lines
        PHL 06:00
        1h 30m
        Nonstop
        BOS 07:30
        Philadelphia - Boston | Fri, Jun 12 | Delta Air Lines
        US$153
        9% off
        US$168 US$153
      • BOS 07:05
        1h 41m
        Nonstop
        PHL 08:46
        Boston - Philadelphia | Fri, Jun 5 | Delta Air Lines
        PHL 19:59
        1h 50m
        Nonstop
        BOS 21:49
        Philadelphia - Boston | Tue, Jun 9 | Delta Air Lines
        US$153
        9% off
        US$168 US$153
      • BOS 07:05
        1h 41m
        Nonstop
        PHL 08:46
        Boston - Philadelphia | Thu, Jun 4 | Delta Air Lines
        PHL 19:59
        1h 50m
        Nonstop
        BOS 21:49
        Philadelphia - Boston | Thu, Jun 11 | Delta Air Lines
        US$154
        8% off
        US$168 US$154
      • BOS 06:00
        1h 30m
        Nonstop
        PHL 07:30
        Boston - Philadelphia | Wed, May 13 | American Airlines
        PHL 14:45
        1h 33m
        Nonstop
        BOS 16:18
        Philadelphia - Boston | Sun, May 17 | American Airlines
        US$156
        7% off
        US$168 US$156
      • BOS 06:00
        13h 14m
        1 stop
        PHL 19:14
        Boston - Philadelphia | Fri, May 15 | Frontier Airlines
        PHL 16:35
        8h 49m
        1 stop
        BOS 01:24
        Philadelphia - Boston | Sat, May 16 | Frontier Airlines
        US$147
        13% off
        US$168 US$147
      • BOS 07:05
        1h 41m
        Nonstop
        PHL 08:46
        Boston - Philadelphia | Fri, May 15 | Delta Air Lines
        PHL 16:35
        8h 49m
        1 stop
        BOS 01:24
        Philadelphia - Boston | Sat, May 16 | Frontier Airlines
        US$153
        9% off
        US$168 US$153
      • BOS 13:00
        17h 25m
        1 stop
        PHL 14:00
        Boston - Philadelphia | Thu, May 14 | Normal Airline
        PHL 15:00
        6h
        Nonstop
        BOS 16:00
        Philadelphia - Boston | Sat, May 16 | Normal Airline
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      • Cheapest nonstop
        BOS 20:59
        1h 38m
        Nonstop
        PHL 22:37
        Boston - Philadelphia | Thu, Jul 2 | Delta Air Lines
        US$61 US$93
        34% off
        34% off
        US$93 US$61
      • BOS 20:35
        1h 34m
        Nonstop
        PHL 22:09
        Boston - Philadelphia | Wed, May 27 | Delta Air Lines
        US$83 US$93
        11% off
        11% off
        US$93 US$83
      • BOS 20:35
        1h 34m
        Nonstop
        PHL 22:09
        Boston - Philadelphia | Thu, May 28 | Delta Air Lines
        US$83 US$93
        11% off
        11% off
        US$93 US$83
      • BOS 17:15
        1h 47m
        Nonstop
        PHL 19:02
        Boston - Philadelphia | Sun, Jun 7 | Delta Air Lines
        US$83
        11% off
        US$93 US$83
      • BOS 13:55
        1h 37m
        Nonstop
        PHL 15:32
        Boston - Philadelphia | Sun, May 31 | Delta Air Lines
        US$85
        9% off
        US$93 US$85
      • BOS 10:47
        1h 45m
        Nonstop
        PHL 12:32
        Boston - Philadelphia | Thu, Jun 25 | American Airlines
        US$85
        9% off
        US$93 US$85
      • BOS 17:04
        1h 46m
        Nonstop
        PHL 18:50
        Boston - Philadelphia | Wed, May 27 | American Airlines
        US$85
        9% off
        US$93 US$85
      • BOS 17:10
        1h 42m
        Nonstop
        PHL 18:52
        Boston - Philadelphia | Thu, May 28 | Jetblue Airways
        US$85
        9% off
        US$93 US$85
      • BOS 07:05
        1h 41m
        Nonstop
        PHL 08:46
        Boston - Philadelphia | Fri, Jun 5 | Delta Air Lines
        US$86
        8% off
        US$93 US$86
      • BOS 20:25
        1h 42m
        Nonstop
        PHL 22:07
        Boston - Philadelphia | Tue, Jun 9 | Delta Air Lines
        US$86
        8% off
        US$93 US$86
      • BOS 13:00
        17h 25m
        1 stop
        PHL 14:00
        Boston - Philadelphia | Thu, May 14 | Normal Airline
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Displayed flight fares from Boston to Philadelphia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights on Flights from Boston to Philadelphia

Which month has the cheapest one-way flights from to Philadelphia?

Average monthly one-way flight prices from to Philadelphia, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from to Philadelphia is July, with an average price of US$111; while the month with the highest flight price is usually August, with an average price of up to US$179.

US$179
US$145
US$111
US$77
    Cheapest
  • US$143
    May
  • US$142
    Jun
  • US$111
    Jul
  • US$179
    Aug
  • US$124
    Sep
  • US$151
    Oct
  • US$154
    Nov
  • US$140
    Dec
  • US$121
    Jan
  • US$170
    Feb
  • US$144
    Mar
  • US$160
    Apr

Which month has the cheapest round-trip flights from to Philadelphia?

The average price of round-trip flights from to Philadelphia purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from to Philadelphia are found during February, with an average price of US$128. Conversely, the highest prices are found during November, with an average price of up to US$462.

US$462
US$295
US$128
0
    Cheapest
  • US$348
    May
  • US$331
    Jun
  • US$335
    Jul
  • US$239
    Aug
  • US$269
    Sep
  • US$175
    Oct
  • US$462
    Nov
  • US$166
    Dec
  • US$368
    Jan
  • US$128
    Feb
  • US$234
    Mar
  • US$369
    Apr

Frequently Asked Questions

  • What are the cheapest flights from Boston to Philadelphia (BOS-PHL)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as US$61 on Cheapest nonstop routes (e.g. BOS to PHL on Thu, Jul 2), while American Airlines offers Cheapest nonstop round-trips from US$135 departing on Sat, May 30 and returning on Sat, May 30.
  • At the moment, you can catch a nonstop flight from Boston to Philadelphia with the following airlines, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 40 minutes to fly from Boston to Philadelphia.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Philadelphia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 91 flight per week flying from Boston to Philadelphia. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL5845 (07:20)
  • To find best deals on flights from Boston to Philadelphia, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Jul 2, with one-way flights priced at just US$61.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Philadelphia travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Boston to Philadelphia is November, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Boston to Philadelphia on May 19, 2026 with Jetblue Airways, with prices starting at US$62.
  • You can land at any one of the following hubs in Philadelphia, with Boston Logan International Airport to Philadelphia International Airport (BOS-PHL) is by far the most common option on this route: Philadelphia International Airport (PHL) Trenton Mercer Airport (TTN).
  • The time difference between Philadelphia and Boston is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.