HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$99+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHL
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
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 October or January, booked 77 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap 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 August 4, 2026.

This Expedia deal was found by Cheapflights users on 7/31. 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.
Fri 9/412:45 pm
BOS
-
PHL
1 stop9h 48m
Multiple Airlines
Tue 9/88:55 pm
PHL
-
BOS
Nonstop1h 35m
Multiple Airlines
Deal found 7/31$191
This Super.com deal was found by Cheapflights users on 8/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:28 am
BOS
-
PHL
1 stop6h 47m
Frontier
Sun 10/118:00 am
PHL
-
BOS
1 stop26h 32m
Frontier
Deal found 8/2$192
This Frontier deal was found by Cheapflights users on 7/31. 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.
Tue 8/1812:45 pm
BOS
-
PHL
1 stop9h 48m
Frontier
Thu 8/207:25 am
PHL
-
BOS
1 stop4h 25m
Frontier
Deal found 7/31$193
This Frontier deal was found by Cheapflights users on 7/31. 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.
Wed 8/1912:45 pm
BOS
-
PHL
1 stop9h 48m
Frontier
Sun 8/237:25 am
PHL
-
BOS
1 stop4h 25m
Frontier
Deal found 7/31$195
This Expedia deal was found by Cheapflights users on 7/30. 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.
Wed 8/196:21 pm
BOS
-
PHL
Nonstop1h 40m
Multiple Airlines
Sun 8/237:25 am
PHL
-
BOS
1 stop4h 25m
Multiple Airlines
Deal found 7/30$196
This Super.com deal was found by Cheapflights users on 8/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:45 pm
BOS
-
PHL
1 stop7h 43m
Frontier
Sat 8/225:41 pm
PHL
-
BOS
1 stop18h 09m
Frontier
Deal found 8/3$199
This Kissandfly.com deal was found by Cheapflights users on 7/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:50 am
BOS
-
PHL
Nonstop1h 40m
Frontier
Sun 8/1611:03 am
PHL
-
BOS
1 stop24h 01m
Frontier
Deal found 7/30$202
This CheapOair deal was found by Cheapflights users on 7/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:45 pm
BOS
-
PHL
1 stop9h 48m
Frontier
Sat 8/225:41 pm
PHL
-
BOS
1 stop18h 09m
Frontier
Deal found 7/31$203
This CheapOair deal was found by Cheapflights users on 7/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:36 am
BOS
-
PHL
1 stop21h 29m
Frontier
Sun 9/203:30 pm
PHL
-
BOS
1 stop19h 21m
Frontier
Deal found 7/31$205
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:45 pm
BOS
-
PHL
Nonstop1h 58m
Multiple Airlines
Sun 10/115:57 pm
PHL
-
BOS
1 stop14h 23m
Multiple Airlines
Deal found 7/30$206
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:54 pm
BOS
-
PHL
1 stop10h 24m
Frontier
Sun 9/133:30 pm
PHL
-
BOS
1 stop19h 21m
Frontier
Deal found 7/30$207

Find 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 August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$191
(Expedia)

One-way from

$99
(Frontier)

Popular in

May

Cheapest in

October

Average price

$265

Good round-trip deal

$260 or less

Good one-way deal

$181 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. 11% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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

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 August 4, 2026.
Use the filters below to find and compare flights from Boston to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Tue 9/15

1:30 pm-3:02 pm

Nonstop1h 32m

Philadelphia

Fri 9/18

6:00 am-7:21 am

Nonstop1h 21m

$225

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Fri 9/25

8:40 pm-10:21 pm

Nonstop1h 41m

Philadelphia

Sat 9/26

7:10 am-8:45 am

Nonstop1h 35m

$225

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Sun 8/16

6:49 am-8:22 am

Nonstop1h 33m

Philadelphia

Thu 8/20

9:12 am-10:35 am

Nonstop1h 23m

$225

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Tue 8/25

6:21 pm-8:01 pm

Nonstop1h 40m

Philadelphia

Fri 8/28

8:55 pm-10:26 pm

Nonstop1h 31m

$225

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Wed 9/2

8:35 pm-10:16 pm

Nonstop1h 41m

Philadelphia

Thu 9/3

1:15 pm-2:45 pm

Nonstop1h 30m

$264

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Fri 10/9

8:30 pm-10:07 pm

Nonstop1h 37m

Philadelphia

Sun 10/11

6:00 am-7:26 am

Nonstop1h 26m

$271

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Sun 9/13

6:00 am-12:23 pm

1 stop6h 23m

Philadelphia

Wed 9/16

7:40 pm-11:59 pm

1 stop4h 19m

$315

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Fri 9/4

6:01 am-12:23 pm

1 stop6h 22m

Philadelphia

Fri 9/4

6:56 pm-1:11 am

1 stop6h 15m

$315

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Fri 9/11

9:00 am-5:54 pm

1 stop8h 54m

Philadelphia

Sun 9/13

6:56 pm-1:10 am

1 stop6h 14m

$335

BostonPhiladelphia

BOS - PHL

BOSPHL

Boston Logan Intl

Sat 8/15

5:45 am-9:43 am

1 stop3h 58m

Philadelphia

Mon 8/17

3:05 pm-7:19 pm

1 stop4h 14m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Super.comPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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.

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?

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 76 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, October is the cheapest month in which you can book a flight from Boston to Philadelphia (average of $217). Flying from Boston to Philadelphia in May is currently the most expensive (average of $306). 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 August 4, 2026.

It’s optimal to fly from Boston to Philadelphia in the evening. By choosing this option you can save up to 21% 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 August 1, 2026.

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

How much does it cost to fly round-trip from Boston to Philadelphia?

Airfare is below average for this route at the moment.

Boston to Philadelphia flights typically cost between $195 and $343 in September.
The cheapest round-trip price found within the last 5 days was $191 on Multiple Airlines (Sep 4-Sep 8).

The best insider tips for Boston to Philadelphia flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Philadelphia trip
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on PHL

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

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 August 4, 2026.
Read through reviews of airlines operating flights from Boston to Philadelphia, such as Delta,JetBlue, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,482 reviews

Entertainment

7.8

Overall

7.8

Comfort

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
Delta
7.8
Good
8,482 reviews
Delta
7.8
Good
8,482 reviews

Entertainment

7.8

Overall

7.8

Comfort

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
JetBlue
7.2
Good
3,027 reviews
Delta
7.8
Good
8,482 reviews

Entertainment

7.8

Overall

7.8

Comfort

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
American Airlines
7.1
Good
11,844 reviews
Delta
7.8
Good
8,482 reviews

Entertainment

7.8

Overall

7.8

Comfort

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
Frontier
5.6
Fair
2,736 reviews
Delta
7.8
Good
8,482 reviews

Entertainment

7.8

Overall

7.8

Comfort

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

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 17 flights from Logan Intl to Philadelphia per day from 4 airlines.

  • How popular is this Boston to Philadelphia flight route?

    Within the past month, 64 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 32m. 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 ($35), JetBlue ($94), and Delta ($99) offers the cheapest pricing from Boston to Philadelphia. Users have found that Frontier is 86% cheaper than the other options available to this destination.

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

    $39 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Delta, with prices starting from $69 and $71, respectively.

  • 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 (96%), Icelandair (90%) and Japan Airlines (85%).

  • What are the cheapest flights from Boston to Philadelphia?

    While on average a flight from Boston to Philadelphia is generally $1,261, our data shows the cheapest flight currently is $107. When looking at the most popular route, (Boston Logan Intl - Philadelphia), you can expect to pay $182 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, October is the cheapest month in which you can book a flight from Boston to Philadelphia (average of $217). Flying from Boston to Philadelphia in May is currently the most expensive (average of $306). 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
Reading
King of Prussia
Camden
Ocean City
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Wildwood Crest
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

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.

Top 4 airlines flying from Boston to Philadelphia

Discover the top 4 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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$35Average$120FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$94Average$221FlexibilityNo cancel feeOn-time62%
DeltaCheapest$99Average$230FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$148Average$294FlexibilityNo cancel feeOn-time71%

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.