HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$66+ Cheap flights from Boston to Philadelphia (BOS - PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHL
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boston Logan Intl to Philadelphia are usually found in January or December, booked 62 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Boston to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$102
(Frontier)

One-way from

$66
(Priceline)

Popular in

May

Cheapest in

January

Average price

$214

Good round-trip deal

$183 or less

Good one-way deal

$107 or less
Provider with most accurate pricing for Boston Logan Intl-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Philadelphia flights.
Search Deals
From Boston Logan Intl to Philadelphia
Search Deals
One-way flight from Boston Logan Intl to Philadelphia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Philadelphia.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Philadelphia.
Search Deals

Find flight deals from Boston to Philadelphia

Cheapest flights from Boston to Philadelphia
Explore the most affordable flight options available from Boston to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Priceline deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/218:24 amBOS - PHL
Nonstop1h 40mFrontier
Sat 11/226:00 amPHL - BOS
Nonstop1h 29mFrontier
Deal found 10/15$103
This Frontier deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:43 amBOS - PHL
1 stop12h 30mFrontier
Sun 11/27:15 amPHL - BOS
Nonstop1h 29mFrontier
Deal found 10/15$104
This Priceline deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:04 amBOS - PHL
1 stop8h 40mFrontier
Sun 11/27:15 amPHL - BOS
Nonstop1h 29mFrontier
Deal found 10/16$106
This Priceline deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/292:15 pmBOS - PHL
1 stop7h 09mMultiple Airlines
Thu 10/307:15 amPHL - BOS
Nonstop1h 29mMultiple Airlines
Deal found 10/15$110
This Frontier deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:31 amBOS - PHL
Nonstop1h 40mFrontier
Sun 10/2610:02 pmPHL - BOS
1 stop10h 31mFrontier
Deal found 10/15$111
This Mytrip deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:40 amBOS - PHL
1 stop9h 58mFrontier
Sun 11/27:15 amPHL - BOS
Nonstop1h 29mFrontier
Deal found 10/14$112
This Booking.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/218:24 amBOS - PHL
Nonstop1h 40mFrontier
Sun 11/236:00 amPHL - BOS
Nonstop1h 29mFrontier
Deal found 10/15$114
This Priceline deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:16 amBOS - PHL
1 stop7h 59mMultiple Airlines
Thu 11/66:00 amPHL - BOS
Nonstop1h 31mMultiple Airlines
Deal found 10/16$115
This Priceline deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:04 amBOS - PHL
1 stop8h 40mFrontier
Sun 11/167:15 amPHL - BOS
Nonstop1h 29mFrontier
Deal found 10/14$116

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Boston to Philadelphia that are best for you.

Fly from

Boston

Fly to

Philadelphia

Route

Depart

Return

Price

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Sat 12/6

6:30 pm-8:17 pm

Nonstop1h 47m

Philadelphia

Tue 12/9

10:15 am-11:38 am

Nonstop1h 23m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Thu 11/20

6:00 am-7:35 am

Nonstop1h 35m

Philadelphia

Tue 12/2

6:00 am-7:24 am

Nonstop1h 24m

$135

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Mon 11/24

7:45 am-9:32 am

Nonstop1h 47m

Philadelphia

Tue 12/2

6:00 am-7:41 am

Nonstop1h 41m

$135

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Tue 11/18

7:00 pm-8:40 pm

Nonstop1h 40m

Philadelphia

Sat 11/22

6:00 am-7:24 am

Nonstop1h 24m

$135

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Sat 11/15

6:25 pm-8:16 pm

Nonstop1h 51m

Philadelphia

Thu 11/20

10:15 am-11:46 am

Nonstop1h 31m

$135

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Sun 11/23

6:00 am-7:35 am

Nonstop1h 35m

Philadelphia

Wed 12/3

10:24 am-11:46 am

Nonstop1h 22m

$135

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Wed 11/19

7:00 pm-8:40 pm

Nonstop1h 40m

Philadelphia

Sat 11/22

6:00 am-7:24 am

Nonstop1h 24m

$135

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Wed 11/5

7:00 am-8:37 am

Nonstop1h 37m

Philadelphia

Fri 11/14

6:00 am-7:20 am

Nonstop1h 20m

$137

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Fri 11/28

7:50 pm-9:36 pm

Nonstop1h 46m

Philadelphia

Fri 12/5

6:00 am-7:41 am

Nonstop1h 41m

$139

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Tue 11/18

7:45 am-9:32 am

Nonstop1h 47m

Philadelphia

Wed 11/19

10:15 am-11:46 am

Nonstop1h 31m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 20 results
1
2

Compare providers for flights from Boston to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Philadelphia in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Philadelphia

How far ahead should I book a flight from Boston to Philadelphia?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Philadelphia. Price data was last updated on October 10, 2025.

The price you pay for your flight from Boston to Philadelphia may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Philadelphia?

Currently, January is the cheapest month in which you can book a flight from Boston to Philadelphia (average of $32). Flying from Boston to Philadelphia in May is currently the most expensive (average of $106). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to PHL?

Find hourly flight availability from Boston to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

It’s optimal to fly from Boston to Philadelphia in the evening. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Boston to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from Boston to Philadelphia. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their Boston to Philadelphia flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Boston to Philadelphia flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Philadelphia trip
Airports
BOS

Use the FlyLogan App for real-time flight updates and pre-order meals via BOS2GO, saving time before your flight.

Read more about BOSby Paul Rubio
PHL

For a quick trip to downtown, use the SEPTA Airport Line. It's efficient and connects directly to Center City Philadelphia.

Read more about PHLby Mark Chesnut
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated October 16, 2025.
Read through reviews of airlines operating flights from Boston to Philadelphia, such as Alaska Airlines, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,103 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,103 reviews
Alaska Airlines
8.0
Very good
11,103 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,977 reviews
Alaska Airlines
8.0
Very good
11,103 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,040 reviews
Alaska Airlines
8.0
Very good
11,103 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
JetBlue
7.2
Good
2,907 reviews
Alaska Airlines
8.0
Very good
11,103 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Frontier
5.8
Fair
3,137 reviews
Alaska Airlines
8.0
Very good
11,103 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Boston to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Boston to Philadelphia?

    If you book a flight from Boston to Philadelphia, you will be flying from Logan Intl to Philadelphia. Flights to Philadelphia (PHL) from Boston Logan Intl (BOS) take 1h 33m for a nonstop flight. There are 39 flights from Logan Intl to Philadelphia per day from 6 airlines.

  • How popular is this Boston to Philadelphia flight route?

    Within the past month, 47 users have taken a look at flights from Boston Logan Intl to Philadelphia.

  • How long is the flight from Boston to Philadelphia?

    Airlines like Delta and JetBlue fly from Boston to Philadelphia in about 1h 35m. The time it takes to get you to your destination is usually consistent. The distance between Boston and Philadelphia is about 279 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Boston to Philadelphia round-trip?

    According to our current data, Frontier ($34), Spirit Airlines ($35), and JetBlue ($82) offers the cheapest pricing from Boston to Philadelphia. Users have found that Frontier is 83% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Boston to Philadelphia?

    The top 3 most reliable airlines when flying from Boston to Philadelphia are LATAM Airlines (91%), ITA Airways (85%) and Icelandair (82%).

  • What are the cheapest flights from Boston to Philadelphia?

    While on average a flight from Boston to Philadelphia is generally $742, our data shows the cheapest flight currently is $72. When looking at the most popular route, (Boston Logan Intl - Philadelphia), you can expect to pay $90 for that flight.

  • Can I find deals for flights from Boston to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Boston to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Philadelphia.

  • Can I find deals for business class flights from Boston to Philadelphia?

    Yes. Cheapflights offers flight deals from Boston to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Philadelphia?

    Currently, January is the cheapest month in which you can book a flight from Boston to Philadelphia (average of $32). Flying from Boston to Philadelphia in May is currently the most expensive (average of $106). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Pottstown
Reading
Ocean City
Cherry Hill
Dewey Beach
Ephrata
Camden
Vineland
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace
Plymouth Meeting

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Dulles Intl flights
Boston to LaGuardia flights
Boston to Reagan-National flights
Boston to John F Kennedy Intl flights
Boston to Newark flights
Boston to Pittsburgh flights
Hartford to Dulles Intl flights
Hartford to Reagan-National flights
Albany to Reagan-National flights
Albany to Dulles Intl flights
Hartford to Philadelphia flights
Boston to Harrisburg flights
Worcester to John F Kennedy Intl flights
Hartford to Pittsburgh flights
West Tisbury to John F Kennedy Intl flights
Albany to Pittsburgh flights
Hyannis to John F Kennedy Intl flights
Boston to State College flights
Boston to Allentown flights
Hartford to John F Kennedy Intl flights
Albany to John F Kennedy Intl flights
Albany to LaGuardia flights
Albany to Philadelphia flights
Hartford to Newark flights
Hartford to LaGuardia flights
Hyannis to Reagan-National flights
Boston to Scranton flights
Hartford to Harrisburg flights
West Tisbury to Reagan-National flights
Worcester to Philadelphia flights
Albany to Newark flights
Worcester to Newark flights
Provincetown to LaGuardia flights
Nantucket to John F Kennedy Intl flights
Hyannis to Newark flights
Hyannis to Philadelphia flights
West Tisbury to Newark flights
Hartford to Allentown flights
Boston to Erie flights
Worcester to Dulles Intl flights
Hyannis to LaGuardia flights
Nantucket to Newark flights
Nantucket to LaGuardia flights
Hartford to Erie flights
Boston to Elmira flights
Albany to State College flights
Albany to Allentown flights
West Tisbury to LaGuardia flights

Top 6 airlines flying from Boston to Philadelphia

Discover the top 6 airlines that operate flights from Boston to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$34Average$94FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$35Average$122FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$82Average$214FlexibilityNo cancel feeOn-time62%
DeltaCheapest$93Average$207FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$142Average$277FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$145Average$257FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.