Find cheap airlines flights from Boston to Philadelphia

You can choose from 4 airlines that fly from Boston to Philadelphia, including Jetblue Airways, American Airlines, and Frontier Airlines. Delta Air Lines has lowest fares on this route.
Airlines are determined based on actual purchased flight tickets from Boston to Philadelphia according to previous 12 months data from Trip.com.

Book direct flights from Boston to Philadelphia: One way flights from $56, round trip flights from $92. Find flight deals for the next 3 months below.

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.

Flight Info | Boston to Philadelphia

The distance between Boston and Philadelphia is approximately 449.32 km. It takes around 1 hour 39 minutes on average to fly from Boston to Philadelphia. Based on Trip.com's data travel demand peaks in January. The off-season for travel is November.

Cheapest one-way flight price$56
Cheapest round-trip ticket price$92
Off-season for travelNovember
Peak season for travelJanuary
Flight distance449.32 km
Average flight time1 hour 39 minutes
Popular airlineJetblue Airways
Flight statistics for the Boston–Philadelphia route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Boston to Philadelphia

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

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

Based on Trip.com’s data, the cheapest month for flights from Boston to Philadelphia is Mar, with an average price of $73; while the month with the highest flight price is usually Aug, with an average price of up to $174.

$174
$124
$73
$23
    Cheapest
  • $76
    Jan
  • $102
    Feb
  • $73
    Mar
  • $145
    Apr
  • $159
    May
  • $139
    Jun
  • $108
    Jul
  • $174
    Aug
  • $121
    Sep
  • $147
    Oct
  • $150
    Nov
  • $136
    Dec

What is the cheapest month for round-trip flights from Boston to Philadelphia?

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

Based on Trip.com’s data, the cheapest month for flights from Boston to Philadelphia is Feb, with an average price of $126; while the month with the highest flight price is usually Nov, with an average price of up to $450.

$450
$288
$126
0
    Cheapest
  • $148
    Jan
  • $126
    Feb
  • $136
    Mar
  • $151
    Apr
  • $340
    May
  • $323
    Jun
  • $326
    Jul
  • $233
    Aug
  • $262
    Sep
  • $171
    Oct
  • $450
    Nov
  • $162
    Dec

What's the cheapest day to fly from Boston to Philadelphia?

Data is based on the average flight price for each day of the week from Boston to Philadelphia on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Boston to Philadelphia is Sat, with average prices lower than on other days. Avoid Wed, as prices are usually highest then.

$168
$138
$109
$80
    Cheapest
  • $111
    Mon
  • $128
    Tue
  • $167
    Wed
  • $122
    Thu
  • $156
    Fri
  • $109
    Sat
  • $121
    Sun

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 $56 on Cheapest nonstop routes (e.g. BOS to PHL on Thu, Jan 29), while Delta Air Lines offers Cheapest nonstop round-trips from $92 departing on Fri, Jan 30 and returning on Sun, Feb 1.
  • At the moment, you can catch a nonstop flight from Boston to Philadelphia with the following airlines, including: Jetblue Airways American Airlines Frontier Airlines 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 around 1 hour 39 minutes to fly from Boston (BOS) to Philadelphia (PHL).
  • 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 77 flight per week flying from Boston to Philadelphia. You can check the weekly schedule for popular airlines on this route below: American Airlines: S/M/T/W/T/F/S -- AA690 (06:13) American Airlines: S/M/T/W/T/F/S -- AA4717 (09:56)
  • 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, Jan 29, with one-way flights priced at just $56.
    · 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 January flight calendar, it's currently cheapest to fly from Boston to Philadelphia on January 30, 2026 with Delta Air Lines, with prices starting at $91.
  • You can land at any one of the following hubs in Philadelphia, with 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.