Cheap Flights from Philadelphia to Boston
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Flights from Philadelphia to Boston
Cheapest airlines flights from Philadelphia to Boston
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Find cheap flights from Philadelphia to Boston
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
PHL 06:271h 39mNonstopBOS 08:06Philadelphia - Boston | Tue, Jul 1 | Frontier Airlines
BOS 09:011h 42mNonstopPHL 10:43Boston - Philadelphia | Tue, Jul 8 | Frontier AirlinesUS$87 US$14640% OFF40% OFFUS$146 US$87 -
PHL 06:271h 39mNonstopBOS 08:06Philadelphia - Boston | Tue, Jun 17 | Frontier Airlines
BOS 09:011h 43mNonstopPHL 10:44Boston - Philadelphia | Tue, Jun 24 | Frontier AirlinesUS$99 US$14633% OFF33% OFFUS$146 US$99
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PHL 06:271h 39mNonstopBOS 08:06Philadelphia - Boston | Tue, Jun 24 | Frontier Airlines
BOS 09:011h 43mNonstopPHL 10:44Boston - Philadelphia | Tue, Jul 1 | Frontier AirlinesUS$101 US$14631% OFF31% OFFUS$146 US$101
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PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Thu, Jul 17 | Frontier Airlines
BOS 09:011h 42mNonstopPHL 10:43Boston - Philadelphia | Thu, Jul 24 | Frontier AirlinesUS$10826% OFFUS$146 US$108
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PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Tue, Aug 5 | Frontier Airlines
BOS 09:011h 42mNonstopPHL 10:43Boston - Philadelphia | Tue, Aug 12 | Frontier AirlinesUS$10926% OFFUS$146 US$109
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PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Sun, Jul 6 | Frontier Airlines
BOS 09:011h 42mNonstopPHL 10:43Boston - Philadelphia | Sun, Jul 13 | Frontier AirlinesUS$10925% OFFUS$146 US$109
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PHL 06:271h 39mNonstopBOS 08:06Philadelphia - Boston | Thu, Jun 26 | Frontier Airlines
BOS 09:011h 43mNonstopPHL 10:44Boston - Philadelphia | Thu, Jul 3 | Frontier AirlinesUS$11025% OFFUS$146 US$110
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PHL 06:271h 39mNonstopBOS 08:06Philadelphia - Boston | Thu, Jun 19 | Frontier Airlines
BOS 09:011h 43mNonstopPHL 10:44Boston - Philadelphia | Thu, Jun 26 | Frontier AirlinesUS$11024% OFFUS$146 US$110
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PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Tue, Jul 15 | Frontier Airlines
BOS 09:011h 42mNonstopPHL 10:43Boston - Philadelphia | Sun, Jul 20 | Frontier AirlinesUS$11124% OFFUS$146 US$111
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PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Sun, Jul 13 | Frontier Airlines
BOS 09:011h 42mNonstopPHL 10:43Boston - Philadelphia | Tue, Jul 15 | Frontier AirlinesUS$11124% OFFUS$146 US$111
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PHL 13:0017h 25m1 stopsBOS Invalid DatePhiladelphia - Boston | Tue, Jun 17 | Normal Airline
BOS 15:006hNonstopPHL 16:00Boston - Philadelphia | Thu, Jun 19 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Tue, Jul 22 | Frontier AirlinesUS$56 US$19972% OFF72% OFFUS$199 US$56
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PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Sun, Jul 6 | Frontier AirlinesUS$60 US$19970% OFF70% OFFUS$199 US$60
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PHL 06:271h 39mNonstopBOS 08:06Philadelphia - Boston | Tue, Jun 17 | Frontier AirlinesUS$70 US$19965% OFF65% OFFUS$199 US$70
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PHL 06:271h 39mNonstopBOS 08:06Philadelphia - Boston | Sun, Jun 22 | Frontier AirlinesUS$7065% OFFUS$199 US$70
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PHL 06:271h 39mNonstopBOS 08:06Philadelphia - Boston | Tue, Jul 1 | Frontier AirlinesUS$7761% OFFUS$199 US$77
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PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Tue, Jul 15 | Frontier AirlinesUS$9950% OFFUS$199 US$99
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PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Tue, Aug 12 | Frontier AirlinesUS$9950% OFFUS$199 US$99
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PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Tue, Jul 29 | Frontier AirlinesUS$10249% OFFUS$199 US$102
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PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Tue, Jul 8 | Frontier AirlinesUS$10249% OFFUS$199 US$102
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PHL 06:301h 29mNonstopBOS 07:59Philadelphia - Boston | Sun, Jul 13 | Frontier AirlinesUS$15224% OFFUS$199 US$152
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PHL 13:0017h 25m1 stopsBOS Invalid DatePhiladelphia - Boston | Tue, Jun 17 | 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.
Philadelphia to Boston Flight Information
| Cheapest one-way flight price | $55 |
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| Cheapest round-trip ticket price | $86 |
| Off-season for travel | April |
| Peak season for travel | June |
| Flight distance | 449.32 km |
| Average flight time | 1 hour 30 minutes |
| Popular airline | Jetblue Airways |
When is the cheapest time to book flights from Philadelphia to Boston?
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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 Philadelphia (PHL) to Boston (BOS) the cheapest?
Airlines adjust prices for flights from Philadelphia to Boston 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 Philadelphia (PHL) to Boston (BOS) cost?
According to Trip.com's data, the lowest price is around $170. -
How long does it take to fly from Philadelphia (PHL) to Boston (BOS) and what is the distance?
It takes around 1 hour 30 minutes to fly from Philadelphia (PHL) to Boston (BOS). -
What are the most popular airlines that fly from Philadelphia (PHL) to Boston (BOS)?
Airlines with flights from Philadelphia (PHL) to Boston (BOS): American Airlines, WestJet, El Al, Hawaiian Airlines, Qatar Airways, Iberia, Scandinavian Airlines, Alaska Airlines, LATAM Airlines, Delta Air Lines and KLM.
How to find a cheap flight from Philadelphia to Boston
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 Philadelphia to Boston. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest Philadelphia to Boston ticket.
Tap "Date" on flight search bar to scan through the calender for Philadelphia to Boston airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, Jul 22 at US$56 for one-way flights.
Compare cheap Philadelphia to Boston flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Philadelphia to Boston. The cheapest airline operating is Frontier Airlines.
Set up a Price Alert
By setting up a Price Alert for your Philadelphia to Boston route, you can easily track the price of your airline tickets from Philadelphia to Boston without manually checking every day.
Don't miss cheap Philadelphia to Boston flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Philadelphia to Boston to get exclusive deals for you.
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