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$44+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHL
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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1. Tell us where you want to go
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Cheapflights Tip: The best prices from Boston Logan Intl to Philadelphia are usually found in August or September, booked 78 days in advance, depart on a Friday or Thursday and return on a Saturday

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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$98
(Cheapflightsfares)

One-way from

$44
(Booking.com)

Popular in

June

Cheapest in

August

Average price

$168

Good round-trip deal

$206 or less

Good one-way deal

$89 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
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Highest demand for flights based on searches. 2% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/712:59 pmBOS - PHL
Nonstop1h 40mFrontier
Mon 4/217:15 amPHL - BOS
Nonstop1h 33mFrontier
Deal found 3/28$98
This JetBlue deal was found by Cheapflights users on 3/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/33:18 pmBOS - PHL
Nonstop1h 34mJetBlue
Mon 4/76:00 amPHL - BOS
Nonstop1h 15mJetBlue
Deal found 3/27$117
This Justfly.com deal was found by Cheapflights users on 3/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/22:10 pmBOS - PHL
1 stop7h 03mMultiple Airlines
Thu 4/37:15 amPHL - BOS
Nonstop1h 33mMultiple Airlines
Deal found 3/26$121
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:55 pmBOS - PHL
Nonstop1h 36mDelta
Mon 5/196:00 amPHL - BOS
Nonstop1h 27mDelta
Deal found 3/27$127
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Wed 4/237:48 pmBOS - PHL
1 stop28h 21mSpirit Airlines
Mon 4/287:03 pmPHL - BOS
1 stop16h 17mSpirit Airlines
Deal found 3/27$142
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/167:00 amBOS - PHL
Nonstop1h 34mAmerican Airlines
Sun 5/187:00 amPHL - BOS
Nonstop1h 26mAmerican Airlines
Deal found 3/28$158
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:00 amBOS - PHL
1 stop5h 53mUnited Airlines
Mon 5/126:45 pmPHL - BOS
1 stop6h 00mUnited Airlines
Deal found 3/27$217

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 March 28, 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

Mon 4/7

12:59 pm-2:39 pm

Nonstop1h 40m

Philadelphia

Wed 4/9

8:10 am-9:52 am

Nonstop1h 42m

$98

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Mon 5/5

7:30 pm-9:09 pm

Nonstop1h 39m

Philadelphia

Tue 5/13

6:00 am-7:27 am

Nonstop1h 27m

$117

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Thu 4/10

2:12 pm-9:12 pm

1 stop7h 00m

Philadelphia

Mon 4/14

7:15 am-8:48 am

Nonstop1h 33m

$121

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Wed 4/23

7:48 pm-12:09 am

1 stop28h 21m

Philadelphia

Mon 4/28

7:03 pm-11:20 am

1 stop16h 17m

$142

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Mon 6/9

9:55 pm-11:27 pm

Nonstop1h 32m

Philadelphia

Wed 6/25

10:25 am-11:49 am

Nonstop1h 24m

$143

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Fri 5/16

7:00 am-8:34 am

Nonstop1h 34m

Philadelphia

Sat 5/17

2:15 pm-3:38 pm

Nonstop1h 23m

$158

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Mon 5/5

6:00 am-11:53 am

1 stop5h 53m

Philadelphia

Mon 5/12

6:45 pm-12:45 am

1 stop6h 00m

$217

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Tue 5/6

7:00 pm-8:40 pm

Nonstop1h 40m

$44

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Wed 4/9

12:59 pm-2:39 pm

Nonstop1h 40m

$49

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Tue 4/29

2:51 pm-4:28 pm

Nonstop1h 37m

$69

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 14 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*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.

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 to pre-order meals and save time at BOS. Most eateries participate in this convenient service.

Read more about BOSby Paul Rubio
PHL

For quick access to downtown, use SEPTA's Airport Line. It's efficient and connects directly to Center City.

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

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 March 21, 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 78 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, August is the cheapest month in which you can book a flight from Boston to Philadelphia (average of $236). Flying from Boston to Philadelphia in March is currently the most expensive (average of $295). 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 March 28, 2025.

It’s optimal to fly from Boston to Philadelphia in the evening. By choosing this option you can save up to 50% 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 March 23, 2025.

Travelers seeking maximum savings on their Boston to Philadelphia flight should consider departing on Friday 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.

Weekly flight availability from Boston to Philadelphia

Explore weekly flight availability from Boston to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 28, 2025.

The most flights from BOS to PHL are scheduled on a Friday (40 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 March 28, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and JetBlue from Boston to Philadelphia to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.3
Good
2,923 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Spirit Airlines
6.3
Okay
7,881 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 31m for a nonstop flight. There are 21 flights from Logan Intl to Philadelphia per day from 5 airlines.

  • How popular is this Boston to Philadelphia flight route?

    Within the past month, 119 users have taken a look at flights from Boston Logan Intl to Philadelphia.

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

    According to our current data, Frontier ($98), JetBlue ($117), and Delta ($137) offers the cheapest pricing from Boston to Philadelphia. Users have found that Frontier is 36% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Boston to Philadelphia one-way?

    $44 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $49 and $69, respectively.

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

    The top 3 most reliable airlines when flying from Boston to Philadelphia are Air France (89%), TAP AIR PORTUGAL (86%) and Alaska Airlines (86%).

  • What are the cheapest flights from Boston to Philadelphia?

    While on average a flight from Boston to Philadelphia is generally $1,141, our data shows the cheapest flight currently is $45. When looking at the most popular route, (Boston Logan Intl - Philadelphia), you can expect to pay $108 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, August is the cheapest month in which you can book a flight from Boston to Philadelphia (average of $236). Flying from Boston to Philadelphia in March is currently the most expensive (average of $295). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
King of Prussia
Vineland
Pottstown
Wildwood
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Newark
Middletown
Willow Grove
Millville
Ephrata
Camden
Dewey Beach
West Chester
Malvern
Dover

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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 5 airlines flying from Boston to Philadelphia

Discover the top 5 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$33Average$78FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$71Average$184FlexibilityNo cancel feeOn-time62%
DeltaCheapest$74Average$198FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$129Average$242FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$166Average$754FlexibilityNo cancel feeOn-time69%
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