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$89+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Boston Logan Intl are usually found in August or September, booked 30 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 June 12, 2025.

Round-trip from

$126
(Cheapflightsfares)

One-way from

$89
(Frontier)

Popular in

May

Cheapest in

August

Average price

$223

Good round-trip deal

$219 or less

Good one-way deal

$134 or less
From Philadelphia to Boston Logan Intl
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One-way flight from Philadelphia to Boston Logan Intl
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Highest demand for flights based on searches. 27% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Philadelphia to Boston Logan Intl.
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Price to beat on a one-way flight from Philadelphia to Boston Logan Intl.
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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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 7/36:27 amPHL - BOS
Nonstop1h 39mFrontier
Sun 7/69:01 amBOS - PHL
Nonstop1h 42mFrontier
Deal found 6/12$126
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:20 amPHL - BOS
Nonstop1h 25mJetBlue
Sat 10/252:42 pmBOS - PHL
Nonstop1h 39mJetBlue
Deal found 6/10$134
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/96:00 amPHL - BOS
1 stop13h 34mMultiple Airlines
Thu 7/109:01 amBOS - PHL
Nonstop1h 42mMultiple Airlines
Deal found 6/10$148
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/910:39 amPHL - BOS
Nonstop1h 36mDelta
Wed 7/1611:05 amBOS - PHL
Nonstop1h 40mDelta
Deal found 6/10$149
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/189:30 pmPHL - BOS
Nonstop1h 31mAmerican Airlines
Sat 7/195:55 amBOS - PHL
Nonstop1h 32mAmerican Airlines
Deal found 6/12$164
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
Wed 7/96:13 amPHL - BOS
1 stop13h 17mSpirit Airlines
Wed 7/168:35 pmBOS - PHL
1 stop11h 29mSpirit Airlines
Deal found 6/12$165
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/155:16 pmPHL - BOS
1 stop7h 43mUnited Airlines
Wed 8/205:30 amBOS - PHL
1 stop4h 04mUnited Airlines
Deal found 6/10$257

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 June 12, 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 7/3

6:27 am-8:06 am

Nonstop1h 39m

Boston Logan Intl

Sun 7/6

9:01 am-10:43 am

Nonstop1h 42m

$126

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Sat 10/25

10:20 am-11:45 am

Nonstop1h 25m

Boston Logan Intl

Sat 10/25

2:42 pm-4:21 pm

Nonstop1h 39m

$134

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Wed 7/9

6:00 am-7:34 pm

1 stop13h 34m

Boston Logan Intl

Thu 7/10

9:01 am-10:43 am

Nonstop1h 42m

$148

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Wed 7/9

10:39 am-12:15 pm

Nonstop1h 36m

Boston Logan Intl

Wed 7/16

11:05 am-12:45 pm

Nonstop1h 40m

$149

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Fri 7/18

9:30 pm-11:01 pm

Nonstop1h 31m

Boston Logan Intl

Sat 7/19

5:55 am-7:27 am

Nonstop1h 32m

$164

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Wed 7/9

6:13 am-7:30 pm

1 stop13h 17m

Boston Logan Intl

Thu 7/10

6:10 am-4:16 pm

1 stop10h 06m

$165

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Fri 8/15

5:16 pm-12:59 am

1 stop7h 43m

Boston Logan Intl

Wed 8/20

5:30 am-9:34 am

1 stop4h 04m

$257

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Thu 6/19

6:27 am-8:06 am

Nonstop1h 39m

$89

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Fri 7/18

5:40 pm-7:14 pm

Nonstop1h 34m

$90

PhiladelphiaBoston

PHL - BOS

PHLBOS

Philadelphia

Sat 7/12

6:00 am-7:30 am

Nonstop1h 30m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 13 results
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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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Boston, you should look to book at least 30 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 June 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 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 June 12, 2025.

It’s typically best to fly out from Philadelphia to Boston in the evening. Doing so could potentially save you 80% 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 June 8, 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 June 12, 2025.

The most flights from PHL to BOS are scheduled on a Wednesday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Philadelphia to Boston, such as Delta, United Airlines and JetBlue. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7.3
Good
2,925 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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!
Spirit Airlines
6.3
Okay
8,052 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 36 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 123 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 $126 on this airline. Additional options worth looking into are JetBlue and Delta, starting at $139 and $149 round-trip. You may be able to fly from Philadelphia to Boston for 21% 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 Frontier, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from JetBlue and Delta, 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 WestJet (100%), LATAM Airlines (96%) and Korean Air (93%).

  • What are the cheapest flights from Philadelphia to Boston?

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Philadelphia - Boston Logan Intl) can be booked for $134 on average our data indicates $2,590 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 June 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
Cambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Lowell
Chelsea
Marlborough
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Philadelphia to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$32Average$75FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$67Average$171FlexibilityNo cancel feeOn-time62%
DeltaCheapest$69Average$186FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$129Average$229FlexibilityNo cancel feeOn-time71%

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