PHL - BOS

£114 Find Cheap Flights from Philadelphia to Boston – Compare and Save

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Everything you should know

Cheapest return flight
£208
Typical prices: £144-£258
Frontier
Mon 17/12Thu 20/12
PHL - BOS • 1 stop
Cheapest direct flights
£228
Typical prices: £144-£258
JetBlue
Mon 17/12Mon 24/12
PHL - BOS • Direct
Direct flights
You can fly direct with American Airlines, Delta, and JetBlue. Average duration is 1h 28m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 94% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 26 weeks in advance save around 55% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £142 (return)
Shortest trip • 4h 17m (one-way)
Insights
Insights
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We hope you enjoy your trip to Boston!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Philadelphia to Boston (PHL-BOS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Philadelphia to Boston

Thu, 17 Dec - Sun, 20 Dec
Frontier Logo
22:20 - 09:30PHL  Philadelphia-BOS Boston Logan Intl
11h 10m1 stop Orlando
Frontier Logo
10:25 - 08:02BOS  Boston Logan Intl-PHL Philadelphia
21h 37m1 stop Orlando
£208Frontier
Thu, 17 Dec - Thu, 24 Dec
Frontier Logo
22:20 - 09:30PHL  Philadelphia-BOS Boston Logan Intl
11h 10m1 stop Orlando
Frontier Logo
10:25 - 23:04BOS  Boston Logan Intl-PHL Philadelphia
12h 39m1 stop Orlando
£223Frontier
Thu, 17 Dec - Thu, 24 Dec
JetBlue Logo
09:29 - 10:50PHL  Philadelphia-BOS Boston Logan Intl
1h 21mdirect
JetBlue Logo
06:59 - 08:38BOS  Boston Logan Intl-PHL Philadelphia
1h 39mdirect
£228JetBlue
Thu, 17 Dec - Sun, 20 Dec
American Airlines Logo
19:55 - 21:19PHL  Philadelphia-BOS Boston Logan Intl
1h 24mdirect
American Airlines Logo
06:00 - 07:37BOS  Boston Logan Intl-PHL Philadelphia
1h 37mdirect
£229American Airlines
Fri, 18 Dec - Thu, 31 Dec
Delta Logo
09:03 - 10:25PHL  Philadelphia-BOS Boston Logan Intl
1h 22mdirect
Delta Logo
12:40 - 14:21BOS  Boston Logan Intl-PHL Philadelphia
1h 41mdirect
£235Delta
Wed, 18 Nov - Sun, 22 Nov
JetBlue Logo
07:00 - 08:20PHL  Philadelphia-BOS Boston Logan Intl
1h 20mdirect
JetBlue Logo
10:59 - 12:32BOS  Boston Logan Intl-PHL Philadelphia
1h 33mdirect
£236JetBlue
Sun, 22 Nov - Fri, 27 Nov
Delta Logo
06:00 - 07:31PHL  Philadelphia-BOS Boston Logan Intl
1h 31mdirect
Delta Logo
08:40 - 10:19BOS  Boston Logan Intl-PHL Philadelphia
1h 39mdirect
£238Delta
Mon, 23 Nov - Thu, 26 Nov
JetBlue Logo
19:45 - 21:09PHL  Philadelphia-BOS Boston Logan Intl
1h 24mdirect
JetBlue Logo
10:15 - 11:48BOS  Boston Logan Intl-PHL Philadelphia
1h 33mdirect
£240JetBlue
Fri, 18 Dec - Fri, 1 Jan
United Airlines Logo
10:37 - 14:25PHL  Philadelphia-BOS Boston Logan Intl
3h 48m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
05:45 - 09:56BOS  Boston Logan Intl-PHL Philadelphia
4h 11m1 stop Washington, D.C. Dulles Intl
£243United Airlines
Mon, 7 Dec - Thu, 10 Dec
Delta Logo
16:35 - 18:05PHL  Philadelphia-BOS Boston Logan Intl
1h 30mdirect
Delta Logo
14:10 - 15:52BOS  Boston Logan Intl-PHL Philadelphia
1h 42mdirect
£246Delta
Booking Insights

Price, demand, and travel trends for Philadelphia to Boston flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Philadelphia to Boston?

Return flights from Philadelphia to Boston typically range from £144 to £258. The lowest price found in the past 5 days was £208 on Frontier.

What's the cheapest day of the week to fly from Philadelphia to Boston?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Philadelphia to Boston. It's 7% cheaper than the average day, while Sunday is the most expensive, with prices 12% higher.

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

•January is the cheapest month to fly from Philadelphia to Boston at £142 return.
•November (£230) and October (£219) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 62% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Philadelphia to Boston the cheapest?

Flights from Philadelphia to Boston are cheapest 26 weeks before departure. Booking in this window typically costs about 55% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Philadelphia to Boston

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines and JetBlue

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, The Points Guy, and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Key details for Philadelphia to Boston flights

Low season

December

Cheapest flight

£114
Beat the crowds with an average 14% drop in traveller numbers.
The most popular month to fly with an average 18% increase in traveller numbers.
One-way flight from Philadelphia to Boston

When to book flights from Philadelphia to Boston

Are your dates flexible? Find out the best times to travel from Philadelphia to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Philadelphia to Boston flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Philadelphia to Boston?

    These are the earliest and latest flight times available from Philadelphia to Boston:

    • Earliest: departs at 06:00 and lands at 07:28
    • Latest: departs at 22:28 and lands at 23:56.

    The flight takes about 1h 28m.

  • Which cabin classes can I book on flights from Philadelphia to Boston?

    Only Economy class is available on flights from Philadelphia to Boston.

  • How long is a flight from Philadelphia to Boston?

    A direct flight from Philadelphia to Boston takes 1h 28m, covering 279 miles.

  • Do I need a passport to fly from Philadelphia to Boston?

    No, a passport is not required for this domestic route, but you will need another form of identification, such as a driving licence.

  • How much should I expect to pay for a Philadelphia to Boston flight?

    Return flights from Philadelphia to Boston range from £144 to £258, with an average of £193 over the past 12 months. Anything below £144 counts as a good deal.

  • How expensive are last-minute Philadelphia to Boston flights?

    Last-minute fares on this route (booked within two weeks of departure) run 35% above the £193 route average. Book 26 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Philadelphia to Boston?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £142 return via Orlando (MCO), compared with £193 for direct.

  • How does on-time performance compare across airlines flying from Philadelphia to Boston?

    Frontier is slightly above the route average for timely arrivals, while Delta has a lower on-time arrival rate. On-time arrival rates on Philadelphia to Boston flights are:

    • Frontier: 94% on time
    • Delta: 86% on time
    • American Airlines: 82% on time

    On average, flights on this route are punctual 83% of the time.

  • What is the standard checked bag allowance on flights from Philadelphia to Boston?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £26–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Philadelphia to Boston?

    The Embraer 175 family is used most often on this route, operated mainly by Delta and American Airlines. Other aircraft seen on the route include Airbus A220-300 variants.

  • How are flight departures from Philadelphia to Boston spread across the day?

    Morning is the busiest departure period on Philadelphia to Boston flights, with 39% leaving in that window. Afternoon departures account for 31%, Evening flights for 23%, and Night flights for 7%.

  • Have flight prices from Philadelphia to Boston changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £208 to £1,099. That means the highest observed fare was about 5x higher than the lowest one.

  • Which airlines offer Wi-Fi on Philadelphia to Boston flights?

    Three airlines offer in-flight Wi-Fi on Philadelphia to Boston flights:

    • JetBlue
    • American Airlines
    • Delta

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty programme, while others are paid add-ons priced by flight length.

  • How are flight prices from Philadelphia to Boston looking right now?

    One-way fares from Philadelphia to Boston are currently lower than usual. Average one-way flight prices are about £124, which is 10% below the typical average for this route.

  • Which car hire options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car hire companies, with daily rates averaging £59 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Thrifty
    • Sixt

  • Which airports can I use when flying from Philadelphia to Boston?

    Flights from Philadelphia to Boston usually depart from Philadelphia (PHL) and arrive at Boston Logan Intl (BOS).

  • What time of day has the fewest delays on flights from Philadelphia to Boston?

    Morning flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed on the route from Philadelphia to Boston?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Philadelphia to Boston route, 17% of flights were delayed in the past three months, with delays averaging 2h 15m.

  • Which airports do connecting flights from Philadelphia to Boston pass through?

    One-stop flights from Philadelphia to Boston most commonly connect through:

    • Washington, D.C. Dulles Intl (IAD) – 63% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 13% of one-stop connections
    • Orlando (MCO) – 13% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 13% of one-stop connections

  • Can I save money by using flexible dates for flights from Philadelphia to Boston?

    Yes. Flexible dates can save you up to 17% on flights from Philadelphia to Boston. Saturday is the cheapest departure day at £181 return on average, while Sunday is the most expensive at £217, a difference of £36.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • Which airlines fly from Philadelphia to Boston?

    3 airlines operate flights between Philadelphia and Boston. The airlines offering direct flights on this route include:

    • American Airlines
    • Delta
    • JetBlue

  • How much time can I save by choosing a different stopover airport from Philadelphia to Boston?

    Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time of 4h 17m, compared to 6h 11m via Chicago O'Hare Intl (ORD) and 9h 08m via Atlanta Hartsfield-Jackson (ATL).

  • What popular places can I visit in Boston?

    Some of the most popular sights in Boston are Boston Common, Copley Square, and John B. Hynes Veterans Memorial Convention Center. These are among the most viewed places in Boston on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Philadelphia to Boston flights?

    Among airlines operating Philadelphia to Boston flights:

    • JetBlue: offers extra legroom; offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection
    • Delta: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Philadelphia to Boston flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy class
    • Delta: a cabin bag and a checked bag in Economy class
    • JetBlue: a cabin bag in Economy class class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

  • Which PHL Airport terminal will you use on this route?

    If you choose to fly with American Airlines, head over to Terminal A-West, A-East, B, or C. JetBlue, Spirit, and Southwest Airlines are in Terminal E, while United and Delta Air Lines is in Terminal D.

  • Which airline is most suitable for this route?

    American Airlines would be a good choice if you have limited time as its features non-stop flights to Boston. Additionally, they have a special assistant coordinators program for travelers with disabilities. The team is dedicated to calling passengers who make assistance requests. They provide additional information or answer any questions the passengers may have.

  • How accessible is PHL Airport?

    All areas of Philadelphia Airport are accessible, from the parking lot to the terminals and washrooms. The airport also features an AIRA program for low-vision or blind travelers and the Hidden Disability Sunflower Lanyard for any support.

  • How do you get from BOS Airport to downtown Boston?

    Once you land at Boston Airport, you'll go outside the terminals where you find Bus SL1 from Silver Line. It'll charge you approximately $2 and will take around 20min to Boston city center. Alternatively, you can take a taxi, also outside the terminals, if you're in a hurry, and the trip will take about 10 minutes.

  • Where is the car rental facility at BOS Airport?

    The Boston Logan car rental facility is situated outside the airport. However, complimentary shuttles outside the terminals will take you directly to the facility on 15 Transport Way. Some of the rental agencies you can rent a car from including National, Payless, Budget, Avis, and Thrifty. You can make the process seamless by comparing cars and reserving your car of choice through KAYAK before you travel.

Your guide to booking Philadelphia to Boston flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average £181, about £36 less than Sunday fares (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 55% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Philadelphia to Boston trip for January. Fares historically average £142 return in that month – typically £88 less than the most expensive month, which is November (based on the last 12 months).
  • For the best chance of arriving on time, fly with Frontier. Over the past three months, 94% of Frontier flights from Philadelphia to Boston arrived on time, slightly above the route average of 83%. When flights on this route arrive late, they're delayed by an average of 2h 15m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Orlando Airport (MCO) can be cheaper than flying direct. The cheapest stopover option averages £142 return on this route – about £51 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boston Logan Intl Airport.

    • Hilton Garden Inn Boston Logan Airport
    • Hilton Boston Logan Airport
    • Hyatt Regency Boston Harbor
  • Philadelphia International Airport (PLH) is situated approximately 10 miles from downtown Philadelphia. To get there by public means, you can board the Airport Regional Rail Line. It runs about every half an hour and will take you to the airport terminals.
  • If you prefer to drive yourself to PHL Airport, you'll find on-site parking options. The Economy Lot charges about $11 per day or $4 for half an hour. The terminal parking garages charge about $24 per day for long-term parking.
  • When booking your flight to Boston Logan International Airport (BOS), you'll find multiple non-stop flights with American Airlines. If it's okay to make one or two stops, book your flight with JetBlue Airlines, United Airlines, Spirit Airlines, Delta Air Lines, Southwest Airlines.
  • Philadelphia Airport is a hub for American Airlines, and Boston Airport is a hub for Delta Air Lines as well as a focus city for JetBlue Airlines.
  • Some of the amenities at PHL Airport include Mamava nursing stations, pet relief areas in all terminals, and companion care restrooms. There's a Quiet Room in the D-E Connector and Minute Suites in Terminals A-B Link where you can relax or catch some sleep.
  • For attractions, PHL Airport features several art exhibitions on display throughout the airport, a Liberty Bell made out of LEGO in Terminal A-West. There's a kid's play area in Terminal E, and you can read or exchange books in Terminal A-West.

Prefer to fly direct from Philadelphia to Boston?

 
Find which airlines fly direct from Philadelphia Airport to Boston Logan Intl Airport, which days they fly and book direct flights.

Direct departures

Philadelphia to Boston Logan Intl

Monday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Tuesday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Wednesday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Thursday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Friday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Saturday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Sunday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

See more direct flights

Direct returns

Boston Logan Intl to Philadelphia

Monday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Tuesday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Wednesday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Thursday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Friday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Saturday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Sunday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

See more direct flights

More options for your flight from Philadelphia to Boston

Complete your trip to Boston with a hotel stay or car hire