HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$67+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOS
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 September or August, booked 51 days in advance, depart on a Thursday or Saturday and return on a Friday

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 August 1, 2025.

Round-trip from

$125
(Kiwi.com)

One-way from

$67
(Netflights)

Popular in

June

Cheapest in

September

Average price

$125

Good round-trip deal

$174 or less

Good one-way deal

$108 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. 25% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/287:11 amPHL - BOS
Nonstop1h 31mFrontier
Thu 9/49:28 amBOS - PHL
Nonstop1h 38mFrontier
Deal found 7/29$125
This lastminute.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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:10 pmPHL - BOS
Nonstop1h 44mJetBlue
Sat 9/203:35 pmBOS - PHL
Nonstop1h 40mJetBlue
Deal found 7/30$129
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/303:55 pmPHL - BOS
Nonstop1h 25mAmerican Airlines
Sat 9/64:50 pmBOS - PHL
Nonstop1h 40mAmerican Airlines
Deal found 7/30$139
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/282:06 pmPHL - BOS
1 stop9h 43mMultiple Airlines
Thu 9/49:28 amBOS - PHL
Nonstop1h 38mMultiple Airlines
Deal found 7/29$150
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amPHL - BOS
Nonstop1h 31mDelta
Sat 8/304:45 pmBOS - PHL
Nonstop1h 47mDelta
Deal found 7/30$153
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/162:06 pmPHL - BOS
1 stop9h 43mSpirit Airlines
Mon 8/186:10 amBOS - PHL
1 stop8h 46mSpirit Airlines
Deal found 7/31$165

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 August 1, 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 10/9

7:30 am-8:59 am

Nonstop1h 29m

Boston Logan Intl

Sun 10/12

9:54 am-11:33 am

Nonstop1h 39m

$104

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Tue 9/30

3:55 pm-5:41 pm

Nonstop1h 46m

Boston Logan Intl

Tue 9/30

7:45 pm-9:50 pm

Nonstop2h 05m

$133

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Sat 8/30

6:00 am-7:31 am

Nonstop1h 31m

Boston Logan Intl

Tue 9/2

2:59 pm-4:43 pm

Nonstop1h 44m

$139

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Thu 9/11

7:15 am-8:43 am

Nonstop1h 28m

Boston Logan Intl

Thu 9/11

2:53 pm-11:59 pm

1 stop9h 06m

$147

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Wed 8/27

10:47 am-5:50 pm

1 stop7h 03m

Boston Logan Intl

Wed 9/3

6:10 am-2:56 pm

1 stop8h 46m

$158

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Sat 9/6

8:50 am-10:18 am

Nonstop1h 28m

Boston Logan Intl

Mon 9/8

8:00 pm-9:45 pm

Nonstop1h 45m

$168

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Wed 9/17

6:10 pm-7:49 pm

Nonstop1h 39m

$67

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Sun 8/31

8:00 am-9:41 am

Nonstop1h 41m

$68

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Mon 8/18

9:59 pm-9:39 am

1 stop11h 40m

$79

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Sat 8/23

6:00 am-7:31 am

Nonstop1h 31m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 12 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 July 25, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Boston, you should look to book at least 51 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 August 1, 2025.

It’s typically best to fly out from Philadelphia to Boston in the evening. Doing so could potentially save you 78% 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 July 27, 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.

Weekly flight availability from Philadelphia to Boston

Explore weekly flight availability from Philadelphia to Boston. 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 August 1, 2025.

The most flights from PHL to BOS are scheduled on a Thursday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

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 August 1, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines 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.
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,900 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
JetBlue
7.3
Good
2,914 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 43 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 102 times in the past calendar month.

  • 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 $125 on this airline. Additional options worth looking into are JetBlue and American Airlines, starting at $129 and $139 round-trip. You may be able to fly from Philadelphia to Boston for 25% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $67. However, be on the lookout for offers from Frontier and Spirit Airlines, as they are both options that can get you from Philadelphia to Boston for a low price.

  • 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 (93%), LATAM Airlines (86%) and Japan Airlines (84%).

  • What are the cheapest flights from Philadelphia to Boston?

    Looking at all options, your cheapest flight can be booked for $64. While the most popular route (Philadelphia - Boston Logan Intl) can be booked for $123 on average our data indicates $2,426 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
Watertown
Seabrook
Waltham
Framingham
Lowell
Randolph
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Saco
Hampton Beach
Swansea
Lincoln

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
John F Kennedy Intl to Nantucket flights
LaGuardia to Nantucket flights
John F Kennedy Intl to West Tisbury flights
Dulles Intl to Hartford flights
Reagan-National to West Tisbury flights
Dulles Intl to Albany flights
Newark to Nantucket flights
Reagan-National to Hartford flights
Reagan-National to Nantucket flights
Reagan-National to Albany flights
LaGuardia to West Tisbury flights
Dulles Intl to Nantucket flights
Newark to West Tisbury flights
Dulles Intl to West Tisbury flights
John F Kennedy Intl to Hyannis flights
LaGuardia to Albany flights
Philadelphia to Nantucket flights
Reagan-National to Hyannis flights
Harrisburg to Boston flights
John F Kennedy Intl to Albany flights
Newark to Hyannis flights
Allentown to Boston flights
LaGuardia to Worcester flights
Philadelphia to Hartford flights
John F Kennedy Intl to Provincetown flights
John F Kennedy Intl to Hartford flights
Newark to Hartford flights
LaGuardia to Hyannis flights
Philadelphia to West Tisbury flights
Scranton to Boston flights
Pittsburgh to Hartford flights
LaGuardia to Hartford flights
Philadelphia to Albany flights
Philadelphia to Hyannis flights
Pittsburgh to Albany flights
Newark to Albany flights
Pittsburgh to West Tisbury flights
Newark to Provincetown flights
Pittsburgh to Hyannis flights
State College to Boston flights
Dulles Intl to Hyannis flights
Pittsburgh to Nantucket flights
John F Kennedy Intl to Worcester 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$32Average$83FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$66Average$175FlexibilityNo cancel feeOn-time62%
DeltaCheapest$69Average$191FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$129Average$237FlexibilityNo 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.