$43 Cheap Flights from Boston (BOS) to Philadelphia (PHL)

View $43 flight on Thu, Oct 23, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Philadelphia Intl. Airport (PHL)

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Today's featured flight deals from Logan International Airport (BOS) to Philadelphia Intl. Airport (PHL)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Boston to Philadelphia (BOS-PHL)

Prices were available within the past 7 days and start at $43 for one-way flights and $86 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Oct 23 - Sun, Oct 26
BOS
Boston
PHL
Philadelphia
$86 Roundtrip, just found
$86
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 23 from Boston to Philadelphia, returning Sun, Oct 26, priced at $86 just found
Frontier Airlines
Thu, Oct 30 - Thu, Nov 6
BOS
Boston
PHL
Philadelphia
$88 Roundtrip, found 14 hours ago
$88
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Boston to Philadelphia, returning Thu, Nov 6, priced at $88 found 14 hours ago
Frontier Airlines
Thu, Nov 13 - Sun, Nov 16
BOS
Boston
PHL
Philadelphia
$97 Roundtrip, found 2 hours ago
$97
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Boston to Philadelphia, returning Sun, Nov 16, priced at $97 found 2 hours ago
Frontier Airlines
Fri, Nov 21 - Sun, Nov 23
BOS
Boston
PHL
Philadelphia
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Nov 21 from Boston to Philadelphia, returning Sun, Nov 23, priced at $108 just found
Frontier Airlines
Thu, Oct 30 - Sat, Nov 8
BOS
Boston
PHL
Philadelphia
$109 Roundtrip, found 10 hours ago
$109
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Boston to Philadelphia, returning Sat, Nov 8, priced at $109 found 10 hours ago
American Airlines
Wed, Nov 5 - Thu, Nov 13
BOS
Boston
PHL
Philadelphia
$114 Roundtrip, found 12 hours ago
$114
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Boston to Philadelphia, returning Thu, Nov 13, priced at $114 found 12 hours ago
Frontier Airlines
Thu, Nov 13 - Sat, Nov 15
BOS
Boston
PHL
Philadelphia
$114 Roundtrip, found 1 hour ago
$114
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Boston to Philadelphia, returning Sat, Nov 15, priced at $114 found 1 hour ago
JetBlue Airways
Wed, Nov 5 - Thu, Nov 13
BOS
Boston
PHL
Philadelphia
$115 Roundtrip, found 12 hours ago
$115
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Wed, Nov 5 from Boston to Philadelphia, returning Thu, Nov 13, priced at $115 found 12 hours ago
United
Wed, Oct 29 - Sun, Nov 2
BOS
Boston
PHL
Philadelphia
$127 Roundtrip, just found
$127
Roundtrip
just found
Select United flight, departing Wed, Oct 29 from Boston to Philadelphia, returning Sun, Nov 2, priced at $127 just found
Delta
Sat, Dec 6 - Sun, Dec 7
BOS
Boston
PHL
Philadelphia
$127 Roundtrip, just found
$127
Roundtrip
just found
Select Delta flight, departing Sat, Dec 6 from Boston to Philadelphia, returning Sun, Dec 7, priced at $127 just found

Find the cheapest month to fly from Boston (BOS) to Philadelphia (PHL)

March is typically the cheapest month to fly

From $48 - $227 per traveler.

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to New Castle ILG. Average driving time to city center is 44 minutes. Flights from $242
ILG
New Castle
Average driving time to city center44 min
Flights from $242
Flights from Boston (BOS) to Philadelphia (PHL)
Origin airport
Logan Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$86
Distance
278 mi
Average flight time
1 hour 38 mins

Boston to Philadelphia Flights

The cheapest times to fly from Boston to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Philadelphia are during the month of October. You can find some of the cheapest flights from Boston to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Philadelphia

Sunday is one of the best days to book for cheap flights from Boston to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $43 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL) cost?
Lock in a cheap one-way flight from $43 or cheap return flight from $86 from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL)?
Traveling in October can help you save, as it's the cheapest month for flights between BOS and PHL. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL)?
Enjoy a seamless journey to Philadelphia Intl. Airport (PHL). 4 carriers operate direct flights from Logan Intl. Airport (BOS), including:

  • American Airlines
  • Delta Air Lines
  • JetBlue Airways

What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL)?
The cheapest airline to offer flights between Logan Intl. Airport (BOS) and Philadelphia Intl. Airport (PHL) can change depending on your travel plans. Frontier Airlines and JetBlue Airways are just some well-known options offering well-priced fares. Use Expedia's filters to compare airlines in one place and find the right BOS to PHL flight for your budget.
How many flights per day from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL)?
Every day, an average of 13 nonstop flights operate from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL). Choose the departure time that best suits your travel plans.
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL)?
More people fly between BOS and PHL at 8 AM than at any other time. Looking to skip the crowds? Travel outside of rush hours and you could save on your fare as well.
What day of the week has the most flights from BOS to PHL?
Friday offers the most flights from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL). Consider leaving on this day and you'll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL)?
Hop on the earliest flight at around 6:00AM UTC-5, leaving from Logan Intl. Airport (BOS). You'll be in the air for approximately 1h 37m, reaching Philadelphia Intl. Airport (PHL) at approximately 7:37AM UTC-5.
How long does it take to fly from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL)?
Flights from BOS to PHL have an average travel time of 1 hour and 37 minutes. The total distance between these two airports is 280 mi.
What airline has the least delays from BOS to PHL?
Delta Air Lines has the best track record for on-time direct flights from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL), with an on-time rating of 80%. Use the Expedia App to see your flight status before you jet off and receive notifications about any trip changes.
What is the best time to fly from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL)?
To avoid potential delays on the Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL) route, aim to fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Philadelphia from Logan Intl. Airport (BOS)?
Browse your flight options from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL). This is the only Philadelphia airport you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL) last-minute?
Last-minute fares from BOS to PHL are generally more expensive. For the cheapest rates, start looking for flights early. That said, if your travel plans are flexible, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a BOS to PHL flight and hotel package?
You'll typically save money by booking a BOS to PHL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your ideal accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Philadelphia Intl. Airport (PHL)?
In most instances, you're able to cancel or reschedule your BOS to PHL flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.