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$68+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHL
nov. 19 — nov. 261
mié. 11/19
mié. 11/26
1 adult, Economy
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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

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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 octubre 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$101
(Frontier)

One-way from

$68
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$214

Good round-trip deal

$193 or less

Good one-way deal

$117 or less
Provider with most accurate pricing for Boston Logan Intl-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Philadelphia flights.
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From Boston Logan Intl to Philadelphia
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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).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Philadelphia.
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Price to beat on a one-way flight from Boston Logan Intl to Philadelphia.
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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 octubre 20, 2025.

This Frontier deal was found by Cheapflights users on 10/19. 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.
dom. 11/98:36 amBOS - PHL
Nonstop1h 40mFrontier
lun. 11/176:00 amPHL - BOS
1 stop5h 35mFrontier
Deal found 10/19$101
This Frontier deal was found by Cheapflights users on 10/18. 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.
sáb. 11/1511:43 amBOS - PHL
1 stop12h 30mFrontier
sáb. 11/226:00 amPHL - BOS
Nonstop1h 29mFrontier
Deal found 10/18$102
This Frontier deal was found by Cheapflights users on 10/18. 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.
dom. 11/29:39 amBOS - PHL
Nonstop1h 39mFrontier
jue. 11/66:00 amPHL - BOS
Nonstop1h 31mFrontier
Deal found 10/18$103
This Frontier deal was found by Cheapflights users on 10/20. 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.
vie. 11/218:24 amBOS - PHL
Nonstop1h 40mFrontier
lun. 11/246:00 amPHL - BOS
Nonstop1h 29mFrontier
Deal found 10/20$104
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/309:39 amBOS - PHL
Nonstop1h 39mFrontier
vie. 10/316:00 amPHL - BOS
1 stop5h 35mFrontier
Deal found 10/18$105
This Frontier deal was found by Cheapflights users on 10/20. 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.
vie. 10/318:40 amBOS - PHL
1 stop9h 58mFrontier
dom. 11/27:15 amPHL - BOS
Nonstop1h 29mFrontier
Deal found 10/20$106
This Booking.com deal was found by Cheapflights users on 10/19. 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.
jue. 11/2011:09 amBOS - PHL
1 stop24h 38mFrontier
dom. 11/236:00 amPHL - BOS
Nonstop1h 29mFrontier
Deal found 10/19$108
This Priceline deal was found by Cheapflights users on 10/17. 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.
sáb. 11/112:31 pmBOS - PHL
1 stop7h 14mMultiple Airlines
dom. 11/27:15 amPHL - BOS
Nonstop1h 29mMultiple Airlines
Deal found 10/17$110
This Frontier deal was found by Cheapflights users on 10/19. 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.
vie. 11/218:24 amBOS - PHL
Nonstop1h 40mFrontier
jue. 12/410:00 pmPHL - BOS
1 stop11h 57mFrontier
Deal found 10/19$111
This Frontier deal was found by Cheapflights users on 10/20. 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.
jue. 11/139:39 amBOS - PHL
Nonstop1h 39mFrontier
dom. 11/166:00 amPHL - BOS
1 stop5h 35mFrontier
Deal found 10/20$113
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/1511:43 amBOS - PHL
2 stops11h 43mMultiple Airlines
sáb. 11/226:00 amPHL - BOS
Nonstop1h 29mMultiple Airlines
Deal found 10/18$115

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 octubre 20, 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

vie. 12/5

7:45 am-9:33 am

Nonstop1h 48m

Philadelphia

lun. 12/8

10:15 am-11:38 am

Nonstop1h 23m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

mar. 11/18

7:00 pm-8:40 pm

Nonstop1h 40m

Philadelphia

sáb. 12/6

6:00 am-7:24 am

Nonstop1h 24m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

sáb. 12/6

6:30 pm-8:17 pm

Nonstop1h 47m

Philadelphia

mar. 12/9

6:00 am-7:41 am

Nonstop1h 41m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

mié. 11/5

7:00 am-8:37 am

Nonstop1h 37m

Philadelphia

sáb. 11/8

6:00 am-7:20 am

Nonstop1h 20m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

mar. 11/18

7:45 am-9:32 am

Nonstop1h 47m

Philadelphia

mié. 12/3

1:23 pm-2:55 pm

Nonstop1h 32m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

mié. 11/19

7:00 am-8:37 am

Nonstop1h 37m

Philadelphia

vie. 12/5

4:32 pm-5:54 pm

Nonstop1h 22m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

jue. 12/4

7:54 pm-9:37 pm

Nonstop1h 43m

Philadelphia

mar. 12/9

1:23 pm-2:55 pm

Nonstop1h 32m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

mar. 11/18

7:00 pm-8:40 pm

Nonstop1h 40m

Philadelphia

jue. 12/4

10:24 am-11:46 am

Nonstop1h 22m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

vie. 1/30

8:30 am-10:15 am

Nonstop1h 45m

Philadelphia

dom. 2/1

6:15 am-7:48 am

Nonstop1h 33m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

vie. 12/5

7:45 am-9:33 am

Nonstop1h 48m

Philadelphia

dom. 12/7

6:00 am-7:41 am

Nonstop1h 41m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

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 17, 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 octubre 20, 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 19, 2025.

Travelers seeking maximum savings on their Boston to Philadelphia flight should consider departing on Thursday 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 octubre 20, 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
11,134 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
11,134 reviews
Alaska Airlines
8.0
Very good
11,134 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
7,976 reviews
Alaska Airlines
8.0
Very good
11,134 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
11,026 reviews
Alaska Airlines
8.0
Very good
11,134 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
11,134 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
3,130 reviews
Alaska Airlines
8.0
Very good
11,134 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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 41 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 40m. 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 $584, our data shows the cheapest flight currently is $73. When looking at the most popular route, (Boston Logan Intl - Philadelphia), you can expect to pay $99 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

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Alternative routes for Boston to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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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 octubre 20, 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%

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