HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$62+ Cheap flights from Philadelphia to Boston (PHL - BOS)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Boston 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 Philadelphia to Boston Logan Intl are usually found in December or September, booked 72 days in advance, depart on a Thursday or Saturday and return on a Thursday

Cheap flight deals from Philadelphia to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Boston (BOS). 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 11, 2025.

Round-trip from

$98
(Priceline)

One-way from

$62
(lastminute.com)

Popular in

June

Cheapest in

December

Average price

$142

Good round-trip deal

$215 or less

Good one-way deal

$135 or less
From Philadelphia to Boston Logan Intl
Search Deals
One-way flight from Philadelphia to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Philadelphia to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Philadelphia to Boston Logan Intl.
Search Deals

Find flight deals from Philadelphia to Boston

Cheapest flights from Philadelphia to Boston
Explore the most affordable flight options available from Philadelphia to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Priceline deal was found by Cheapflights users on 9/11. 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 11/226:00 amPHL - BOS
Nonstop1h 29mFrontier
Tue 11/258:24 amBOS - PHL
Nonstop1h 40mFrontier
Deal found 9/11$98
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sun 10/126:05 amPHL - BOS
Nonstop1h 31mFrontier
Thu 10/168:31 amBOS - PHL
Nonstop1h 40mFrontier
Deal found 9/9$106
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Thu 9/187:15 amPHL - BOS
Nonstop1h 28mFrontier
Sun 9/219:38 amBOS - PHL
Nonstop1h 38mFrontier
Deal found 9/10$107
This Frontier deal was found by Cheapflights users on 9/9. 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 10/307:15 amPHL - BOS
Nonstop1h 29mFrontier
Sun 11/29:39 amBOS - PHL
Nonstop1h 39mFrontier
Deal found 9/9$108
This CheapOair deal was found by Cheapflights users on 9/11. 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 11/192:35 pmPHL - BOS
1 stop19h 49mFrontier
Sat 11/228:24 amBOS - PHL
Nonstop1h 40mFrontier
Deal found 9/11$112
This Frontier deal was found by Cheapflights users on 9/11. 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 10/236:05 amPHL - BOS
Nonstop1h 31mFrontier
Mon 11/108:40 amBOS - PHL
1 stop9h 19mFrontier
Deal found 9/11$115
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 9/257:15 amPHL - BOS
Nonstop1h 28mMultiple Airlines
Sat 9/273:00 pmBOS - PHL
1 stop8h 47mMultiple Airlines
Deal found 9/11$116
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Sat 11/226:00 amPHL - BOS
Nonstop1h 29mFrontier
Fri 11/288:21 amBOS - PHL
Nonstop1h 40mFrontier
Deal found 9/10$117
This Expedia deal was found by Cheapflights users on 9/10. 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 10/96:05 amPHL - BOS
Nonstop1h 31mFrontier
Thu 10/168:31 amBOS - PHL
Nonstop1h 40mFrontier
Deal found 9/10$118
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/2412:00 pmPHL - BOS
1 stop11h 57mMultiple Airlines
Thu 9/259:28 amBOS - PHL
Nonstop1h 38mMultiple Airlines
Deal found 9/10$120
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sun 10/57:15 amPHL - BOS
Nonstop1h 28mMultiple Airlines
Tue 10/73:00 pmBOS - PHL
1 stop8h 36mMultiple Airlines
Deal found 9/9$121

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Boston 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 11, 2025.
Use the filters below to find and compare flights from Philadelphia to Boston that are best for you.

Fly from

Philadelphia

Fly to

Boston

Route

Depart

Return

Price

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Thu 11/13

10:15 am-11:47 am

Nonstop1h 32m

Boston Logan Intl

Sat 11/15

6:25 pm-8:16 pm

Nonstop1h 51m

$127

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Sat 10/18

3:31 pm-5:11 pm

Nonstop1h 40m

Boston Logan Intl

Mon 10/20

3:59 pm-5:48 pm

Nonstop1h 49m

$127

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Sat 10/11

7:00 am-8:18 am

Nonstop1h 18m

Boston Logan Intl

Wed 10/15

7:45 pm-9:55 pm

Nonstop2h 10m

$139

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Wed 10/29

1:42 pm-3:10 pm

Nonstop1h 28m

Boston Logan Intl

Wed 11/5

11:22 am-1:02 pm

Nonstop1h 40m

$139

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Thu 10/2

10:20 am-11:45 am

Nonstop1h 25m

Boston Logan Intl

Thu 10/2

3:35 pm-5:15 pm

Nonstop1h 40m

$142

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Fri 10/17

6:00 am-7:30 am

Nonstop1h 30m

Boston Logan Intl

Tue 10/21

11:22 am-1:02 pm

Nonstop1h 40m

$143

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Wed 10/15

10:35 am-12:06 pm

Nonstop1h 31m

Boston Logan Intl

Thu 10/16

7:40 am-9:30 am

Nonstop1h 50m

$143

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Sat 10/4

6:00 am-7:36 am

Nonstop1h 36m

Boston Logan Intl

Tue 10/14

7:50 pm-9:32 pm

Nonstop1h 42m

$143

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Fri 10/24

7:00 am-8:15 am

Nonstop1h 15m

Boston Logan Intl

Sun 10/26

7:00 am-8:37 am

Nonstop1h 37m

$147

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Thu 10/2

6:00 am-7:36 am

Nonstop1h 36m

Boston Logan Intl

Sat 10/4

10:55 am-12:30 pm

Nonstop1h 35m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 20 results
1
2

The best insider tips for Philadelphia to Boston 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 Philadelphia to Boston trip
Airlines
Japan Airlines

JAL offers 34 inches of legroom in economy, ideal for comfort on short flights.


Economy passengers can request earplugs and eye masks for added comfort during flights.

Read more about Japan Airlinesby Emily Zemler
Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for extra comfort.


Early morning flights have a better chance of on-time departure with Frontier.

Read more about Frontierby Marisa Garcia
Airports
PHL

For quick check-ins, verify your airline's terminal before arriving. Terminals B and C, and D and E are connected by indoor hallways.

Read more about PHLby Mark Chesnut
BOS

Use the FlyLogan App for real-time flight updates and pre-order food via BOS2GO for a quick pick-up upon arrival.

Read more about BOSby Paul Rubio
Our travel experts
Emily Zemler

Emily Zemler

Expert on Japan Airlines

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
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 Philadelphia to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Philadelphia 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 Philadelphia to Boston

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

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Boston. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Boston, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Boston (average of $218). Flying from Philadelphia to Boston in July is currently the most expensive (average of $311). 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 PHL to BOS?

Find hourly flight availability from Philadelphia to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s typically best to fly out from Philadelphia to Boston in the evening. Doing so could potentially save you 73% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Boston. Price data was last updated on September 7, 2025.

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

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated September 11, 2025.
See what other customers who have flown with Delta, American Airlines, and JetBlue from Philadelphia to Boston have to say. 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
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
2,913 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
3,177 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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 Philadelphia to Boston. 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 Philadelphia to Boston?

    Booking a flight from Philadelphia (PHL) to Boston Logan Intl (BOS) is your only option if you wish to fly from Philadelphia to Boston. On a typical day, there are 47 flights from Philadelphia to Logan Intl, all of which are around 1h 15m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Philadelphia to Boston.

  • How popular is this Philadelphia to Boston flight route?

    Flights from Philadelphia to Boston Logan Intl have been viewed 97 times in the past calendar month.

  • How long is the flight from Philadelphia to Boston?

    There are many flights that can get you from Philadelphia to Boston in 1h 32m. Fly via Delta or JetBlue to get the fastest option. Airlines will cover a distance of 279 mi. Generally, flights for this route are nonstop.

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

    Our cheapest airline available from Philadelphia to Boston is Frontier. Our recent data shows that you can find tickets from as low as $34 on this airline. Additional options worth looking into are JetBlue and Delta, starting at $72 and $73 round-trip. You may be able to fly from Philadelphia to Boston for 80% less than the average price by searching for these airlines.

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

    The top 3 most reliable airlines when flying from Philadelphia to Boston are Korean Air (95%), LATAM Airlines (91%) and Air France (85%).

  • What are the cheapest flights from Philadelphia to Boston?

    Looking at all options, your cheapest flight can be booked for $89. While the most popular route (Philadelphia - Boston Logan Intl) can be booked for $114 on average, our data indicates $623 when flying from Philadelphia to Boston.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Boston 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 Philadelphia to Boston?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Boston (average of $218). Flying from Philadelphia to Boston in July is currently the most expensive (average of $311). 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
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Chelsea
Warwick
Peabody
Quincy
York Beach
Swansea
Waltham
Saugus
Burlington

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 Philadelphia to Boston

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

Top 4 airlines flying from Philadelphia to Boston

Discover the top 4 airlines that operate flights from Philadelphia to Boston. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$34Average$92FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$72Average$190FlexibilityNo cancel feeOn-time62%
DeltaCheapest$73Average$198FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$138Average$248FlexibilityNo 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.