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$63+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Philadelphia are usually found in January or December, booked 41 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 September 15, 2025.

Round-trip from

$116
(Kiwi.com)

One-way from

$63
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$198

Good round-trip deal

$221 or less

Good one-way deal

$130 or less
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. 18% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/83:00 pmBOS - PHL
1 stop8h 36mMultiple Airlines
Thu 10/96:05 amPHL - BOS
Nonstop1h 31mMultiple Airlines
Deal found 9/15$116
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com 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 9/14$117
This lastminute.com deal was found by Cheapflights users on 9/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:00 amBOS - PHL
Nonstop1h 37mJetBlue
Wed 11/59:22 amPHL - BOS
Nonstop1h 18mJetBlue
Deal found 9/14$118
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:38 amBOS - PHL
Nonstop1h 38mFrontier
Mon 9/226:15 amPHL - BOS
1 stop5h 49mFrontier
Deal found 9/14$119
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/186:16 amBOS - PHL
1 stop12h 33mMultiple Airlines
Sun 11/27:15 amPHL - BOS
Nonstop1h 29mMultiple Airlines
Deal found 9/13$120
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:23 amBOS - PHL
1 stop9h 26mFrontier
Sun 11/27:15 amPHL - BOS
Nonstop1h 29mFrontier
Deal found 9/14$121
This Expedia deal was found by Cheapflights users on 9/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:28 amBOS - PHL
Nonstop1h 38mMultiple Airlines
Mon 9/299:50 pmPHL - BOS
1 stop13h 23mMultiple Airlines
Deal found 9/13$122
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 9/208:38 amBOS - PHL
1 stop8h 49mFrontier
Sun 9/217:15 amPHL - BOS
Nonstop1h 28mFrontier
Deal found 9/13$123
This Priceline deal was found by Cheapflights users on 9/13. 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.
Sat 10/1812:31 pmBOS - PHL
1 stop11h 05mMultiple Airlines
Sun 10/196:05 amPHL - BOS
Nonstop1h 31mMultiple Airlines
Deal found 9/13$124
This Flightnetwork deal was found by Cheapflights users on 9/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:31 amBOS - PHL
Nonstop1h 40mFrontier
Sun 10/126:05 amPHL - BOS
Nonstop1h 31mFrontier
Deal found 9/14$125
This Frontier deal was found by Cheapflights users on 9/13. 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 9/259:28 amBOS - PHL
Nonstop1h 38mFrontier
Mon 9/296:15 amPHL - BOS
1 stop5h 49mFrontier
Deal found 9/13$126
This JetBlue deal was found by Cheapflights users on 9/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/44:05 pmBOS - PHL
Nonstop1h 50mJetBlue
Wed 10/810:20 amPHL - BOS
Nonstop1h 25mJetBlue
Deal found 9/14$127

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 September 15, 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 10/4

2:42 pm-4:21 pm

Nonstop1h 39m

Philadelphia

Wed 10/8

10:20 am-11:45 am

Nonstop1h 25m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Sat 11/1

6:15 pm-8:04 pm

Nonstop1h 49m

Philadelphia

Sun 11/2

5:00 am-6:30 am

Nonstop1h 30m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Sun 11/2

7:00 am-8:37 am

Nonstop1h 37m

Philadelphia

Thu 11/6

9:22 am-10:40 am

Nonstop1h 18m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Thu 10/16

7:40 am-9:30 am

Nonstop1h 50m

Philadelphia

Tue 10/21

6:00 am-7:30 am

Nonstop1h 30m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Sat 11/8

4:15 pm-5:57 pm

Nonstop1h 42m

Philadelphia

Sat 11/15

1:25 pm-2:53 pm

Nonstop1h 28m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Mon 10/20

7:45 pm-9:55 pm

Nonstop2h 10m

Philadelphia

Mon 10/27

4:52 pm-6:14 pm

Nonstop1h 22m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Sat 11/8

4:15 pm-5:57 pm

Nonstop1h 42m

Philadelphia

Mon 11/10

10:15 am-11:47 am

Nonstop1h 32m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Mon 10/20

7:45 pm-9:55 pm

Nonstop2h 10m

Philadelphia

Fri 10/24

7:00 am-8:15 am

Nonstop1h 15m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Wed 11/12

7:45 am-9:34 am

Nonstop1h 49m

Philadelphia

Tue 11/18

10:15 am-11:47 am

Nonstop1h 32m

$127

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Thu 10/16

7:40 am-9:30 am

Nonstop1h 50m

Philadelphia

Mon 10/20

6:00 am-7:30 am

Nonstop1h 30m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 17 results
1
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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

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 September 12, 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 41 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 September 15, 2025.

It’s optimal to fly from Boston to Philadelphia in the evening. By choosing this option you can save up to 36% 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 September 7, 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.

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 September 15, 2025.
Read through reviews of airlines operating flights from Boston to Philadelphia, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.2
Good
2,912 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,172 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection 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 35m for a nonstop flight. There are 36 flights from Logan Intl to Philadelphia per day from 7 airlines.

  • How popular is this Boston to Philadelphia flight route?

    Within the past month, 55 users have taken a look at flights from Boston Logan Intl to Philadelphia.

  • How long is the flight from Boston to Philadelphia?

    Airlines like JetBlue and Delta fly from Boston to Philadelphia in about 1h 39m. 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 ($31), Spirit Airlines ($35), and JetBlue ($77) offers the cheapest pricing from Boston to Philadelphia. Users have found that Frontier is 84% 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 (88%), Japan Airlines (80%) and Frontier (79%).

  • What are the cheapest flights from Boston to Philadelphia?

    While on average a flight from Boston to Philadelphia is generally $826, our data shows the cheapest flight currently is $75. When looking at the most popular route, (Boston Logan Intl - Philadelphia), you can expect to pay $92 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Reading
Dewey Beach
Ephrata
Camden
Ocean City
Cherry Hill
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

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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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Hyannis to Reagan-National flights
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Worcester to Dulles Intl flights
Nantucket to Reagan-National flights
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West Tisbury to Reagan-National flights
Hyannis to Pittsburgh flights
Boston to Elmira flights
Boston to Erie flights
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Top 7 airlines flying from Boston to Philadelphia

Discover the top 7 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$32Average$94FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$35Average$122FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$78Average$211FlexibilityNo cancel feeOn-time62%
DeltaCheapest$82Average$206FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$139Average$271FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$145Average$257FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$166Average$754FlexibilityNo cancel feeOn-time69%

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