Cheap flight from Boston to Philadelphia from $49
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Flights from Boston to Philadelphia
Find cheap airlines flights from Boston to Philadelphia
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Cheap flight deals from Boston to Philadelphia
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Tue, Jul 1 | Frontier Airlines
PHL 6:30 AM1h 29mNonstopBOS 7:59 AMPhiladelphia - Boston | Tue, Jul 8 | Frontier Airlines$87 $12128% OFF28% OFF$121 $87 -
BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Tue, Jun 17 | Frontier Airlines
PHL 6:27 AM1h 39mNonstopBOS 8:06 AMPhiladelphia - Boston | Tue, Jun 24 | Frontier Airlines$91 $12125% OFF25% OFF$121 $91
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BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Tue, Jun 24 | Frontier Airlines
PHL 6:27 AM1h 39mNonstopBOS 8:06 AMPhiladelphia - Boston | Tue, Jul 1 | Frontier Airlines$99 $12118% OFF18% OFF$121 $99
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BOS 9:01 AM1h 42mNonstopPHL 10:43 AMBoston - Philadelphia | Tue, Jul 8 | Frontier Airlines
PHL 6:30 AM1h 29mNonstopBOS 7:59 AMPhiladelphia - Boston | Tue, Jul 15 | Frontier Airlines$10215% OFF$121 $102
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BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Thu, Jun 12 | Frontier Airlines
PHL 6:27 AM1h 39mNonstopBOS 8:06 AMPhiladelphia - Boston | Sun, Jun 15 | Frontier Airlines$10414% OFF$121 $104
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BOS 8:05 AM1h 33mNonstopPHL 9:38 AMBoston - Philadelphia | Tue, Jul 1 | Jetblue Airways
PHL 6:30 AM1h 29mNonstopBOS 7:59 AMPhiladelphia - Boston | Tue, Jul 8 | Frontier Airlines$10811% OFF$121 $108 -
BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Sun, Jun 15 | Frontier Airlines
PHL 6:27 AM1h 39mNonstopBOS 8:06 AMPhiladelphia - Boston | Tue, Jun 17 | Frontier Airlines$1109% OFF$121 $110
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BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Thu, Jul 3 | Frontier Airlines
PHL 6:30 AM1h 29mNonstopBOS 7:59 AMPhiladelphia - Boston | Tue, Jul 8 | Frontier Airlines$1109% OFF$121 $110
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BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Sun, Jun 22 | Frontier Airlines
PHL 6:27 AM1h 39mNonstopBOS 8:06 AMPhiladelphia - Boston | Tue, Jun 24 | Frontier Airlines$1127% OFF$121 $112
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BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Thu, Jun 26 | Frontier Airlines
PHL 6:27 AM1h 39mNonstopBOS 8:06 AMPhiladelphia - Boston | Tue, Jul 1 | Frontier Airlines$1127% OFF$121 $112
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BOS 1:00 PM17h 25m1 stopsPHL Invalid DateBoston - Philadelphia | Fri, May 23 | Normal Airline
PHL 3:00 PM6hNonstopBOS 4:00 PMPhiladelphia - Boston | Sun, May 25 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
BOS 9:01 AM1h 42mNonstopPHL 10:43 AMBoston - Philadelphia | Tue, Jul 15 | Frontier Airlines$49 $7435% OFF35% OFF$74 $49
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BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Tue, Jun 17 | Frontier Airlines$50 $7433% OFF33% OFF$74 $50
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BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Tue, Jul 1 | Frontier Airlines$50 $7433% OFF33% OFF$74 $50
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BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Tue, Jun 24 | Frontier Airlines$5033% OFF$74 $50
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BOS 9:01 AM1h 42mNonstopPHL 10:43 AMBoston - Philadelphia | Tue, Jul 8 | Frontier Airlines$5132% OFF$74 $51
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BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Sun, Jun 15 | Frontier Airlines$5230% OFF$74 $52
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BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Thu, Jun 12 | Frontier Airlines$5921% OFF$74 $59
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BOS 9:01 AM1h 42mNonstopPHL 10:43 AMBoston - Philadelphia | Sun, Jul 13 | Frontier Airlines$5920% OFF$74 $59
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BOS 9:01 AM1h 42mNonstopPHL 10:43 AMBoston - Philadelphia | Thu, Jul 17 | Frontier Airlines$6019% OFF$74 $60
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BOS 9:01 AM1h 43mNonstopPHL 10:44 AMBoston - Philadelphia | Thu, Jun 26 | Frontier Airlines$697% OFF$74 $69
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BOS 1:00 PM17h 25m1 stopsPHL Invalid DateBoston - Philadelphia | Fri, May 23 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Boston to Philadelphia
| Cheapest one-way flight price | $48 |
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| Cheapest round-trip ticket price | $86 |
| Off-season for travel | March |
| Peak season for travel | June |
| Flight distance | 449.32 km |
| Average flight time | 1 hour 37 minutes |
| Popular airline | American Airlines |
When is the cheapest time to fly from Boston to Philadelphia?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Boston (BOS) to Philadelphia (PHL) the cheapest?
Airlines adjust prices for flights from Boston to Philadelphia based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Boston (BOS) to Philadelphia (PHL) cost?
According to Trip.com's data, the lowest price is around $162. -
How long does it take to fly from Boston (BOS) to Philadelphia (PHL) and what is the distance?
It takes around 1 hour 37 minutes to fly from Boston (BOS) to Philadelphia (PHL). -
What are the most popular airlines that fly from Boston (BOS) to Philadelphia (PHL)?
Airlines with flights from Boston (BOS) to Philadelphia (PHL): KLM, American Airlines, Jetblue Airways, Air France, Qatar Airways, El Al, TAP Air Portugal, Icelandair, Hawaiian Airlines, ITA Airways, Japan Airlines, Virgin Atlantic, British Airways and Aer Lingus.
How to find a cheap flight from Boston to Philadelphia
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Boston to Philadelphia. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Boston to Philadelphia ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Boston to Philadelphia for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $49 for a one-way ticket on Tue, Jul 15.
Compare cheap Boston to Philadelphia flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Boston to Philadelphia. The most affordable airline currently operating on this route is Frontier Airlines.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Boston to Philadelphia route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Boston to Philadelphia flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Boston to Philadelphia to access exclusive deals just for you.
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