PHL - BOS

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Everything you should know

Cheapest round-trip
$195
Typical prices: $183-$330
Frontier, JetBlue
Mon 9/3Thu 9/6
PHL - BOS • 1 stop
Cheapest non-stop
$197
Typical prices: $183-$330
JetBlue
Tue 9/25Fri 9/28
PHL - BOS • Non-stop
Nonstop flights
You can fly direct with American Airlines, Delta and JetBlue. Average duration is 1h 35m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 90% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 26 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 22% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $191 (round-trip)
Shortest trip • 4h 01m (one-way)
Insights
Insights
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We hope you love 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 round-trip flight deals from Philadelphia to Boston

Thu, Sep 3 - Sun, Sep 6
Multiple Airlines Logo
7:25 am - 11:50 amPHL  Philadelphia-BOS Boston Logan Intl
4h 25m1 stop Raleigh-Durham
Multiple Airlines Logo
6:49 am - 8:22 amBOS  Boston Logan Intl-PHL Philadelphia
1h 33mnonstop
$195Multiple Airlines
Tue, Sep 1 - Thu, Sep 3
Multiple Airlines Logo
9:12 am - 10:35 amPHL  Philadelphia-BOS Boston Logan Intl
1h 23mnonstop
Multiple Airlines Logo
12:45 pm - 8:28 pmBOS  Boston Logan Intl-PHL Philadelphia
7h 43m1 stop Atlanta Hartsfield-Jackson
$195Multiple Airlines
Sun, Sep 6 - Thu, Sep 10
Frontier Logo
7:25 am - 11:50 amPHL  Philadelphia-BOS Boston Logan Intl
4h 25m1 stop Raleigh-Durham
Frontier Logo
12:54 pm - 11:18 pmBOS  Boston Logan Intl-PHL Philadelphia
10h 24m1 stop Atlanta Hartsfield-Jackson
$196Frontier
Thu, Sep 3 - Thu, Sep 10
Frontier Logo
7:25 am - 11:50 amPHL  Philadelphia-BOS Boston Logan Intl
4h 25m1 stop Raleigh-Durham
Frontier Logo
12:54 pm - 11:18 pmBOS  Boston Logan Intl-PHL Philadelphia
10h 24m1 stop Atlanta Hartsfield-Jackson
$196Frontier
Fri, Sep 25 - Mon, Sep 28
JetBlue Logo
6:00 am - 7:25 amPHL  Philadelphia-BOS Boston Logan Intl
1h 25mnonstop
JetBlue Logo
8:40 pm - 10:21 pmBOS  Boston Logan Intl-PHL Philadelphia
1h 41mnonstop
$197JetBlue
Thu, Sep 3 - Sun, Sep 6
JetBlue Logo
9:28 am - 10:51 amPHL  Philadelphia-BOS Boston Logan Intl
1h 23mnonstop
JetBlue Logo
6:49 am - 8:22 amBOS  Boston Logan Intl-PHL Philadelphia
1h 33mnonstop
$218JetBlue
Thu, Sep 17 - Sun, Sep 20
American Airlines Logo
7:00 am - 8:33 amPHL  Philadelphia-BOS Boston Logan Intl
1h 33mnonstop
American Airlines Logo
8:10 am - 9:49 amBOS  Boston Logan Intl-PHL Philadelphia
1h 39mnonstop
$235American Airlines
Thu, Oct 15 - Mon, Oct 19
American Airlines Logo
8:15 pm - 9:49 pmPHL  Philadelphia-BOS Boston Logan Intl
1h 34mnonstop
American Airlines Logo
9:30 am - 11:10 amBOS  Boston Logan Intl-PHL Philadelphia
1h 40mnonstop
$235American Airlines
Thu, Oct 1 - Sun, Oct 4
Delta Logo
7:50 pm - 9:40 pmPHL  Philadelphia-BOS Boston Logan Intl
1h 50mnonstop
Delta Logo
6:50 am - 8:29 amBOS  Boston Logan Intl-PHL Philadelphia
1h 39mnonstop
$235Delta
Fri, Sep 4 - Mon, Sep 7
Delta Logo
6:00 am - 7:30 amPHL  Philadelphia-BOS Boston Logan Intl
1h 30mnonstop
Delta Logo
6:50 am - 8:30 amBOS  Boston Logan Intl-PHL Philadelphia
1h 40mnonstop
$235Delta
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 from Philadelphia to Boston with more confidence.

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

Saturday is the cheapest day of the week to fly from Philadelphia to Boston, it is 6% cheaper than the average day. Monday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Philadelphia to Boston at $186 round-trip.
  • March ($281) and April ($266) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 51% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Philadelphia to Boston the cheapest?

Flights from Philadelphia to Boston are cheapest 26 weeks before departure. Booking in this window typically costs about 48% 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, JetBlue and PHL

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, USA TODAY, 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.

Stefanie Waldek

Stefanie Waldek

Expert on Delta and Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on BOS

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Key details for Philadelphia to Boston flights

Low season

January

Cheapest flight

$99
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly and prices are also 5% lower on average.
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 round-trip price

Your Philadelphia to Boston flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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.

  • Where can I let my pet relieve itself at Philadelphia International Airport?

    Indoor relief areas are near Gate A-16 in Terminal A-West, before the A/B connector in Terminal A-East, the B side of the A-B walkway in Terminal B, the C side of the C-D walkway in Terminal C, Gate E-1 in Terminal E, just beyond the security checkpoint in Terminal F, and the United Club and Gates D3, and D4 in Terminal D. Outdoor relief areas, on the Departing Flights Road, are between Terminal A-West and A-East, between Terminal B/C ticketing and the Airport Communications Center, and after Terminal E and Terminal F.

  • Where can I breastfeed my baby at Boston Logan International Airport?

    BOS features several private nursing rooms and Mamava suites where you can breastfeed your baby. The nursing suites are available pre- and post-security in Terminal A, near Gate B37 in Terminal B, and near Gate C20 in Terminal C. The Mamava suites are near Gate E9 in Terminal E, Gates B7 and B18 in Terminal B, and between Terminal C Gate C8 and Terminal E Gate E1.

  • Does Boston Logan International Airport have an onsite hotel?

    BOS is home to one onsite hotel: the Hilton Boston Logan Airport. Connected directly to the airport’s Terminals A and B via a covered walkway, this hotel provides a courtesy shuttle to all terminals, the subway station, the water taxi boarding point, and the car rental facility. From this hotel, downtown Boston is four miles away.

  • Where can I pray at Boston Logan International Airport?

    At BOS, you can privately pray at the Our Lady of the Airways chapel. You can pray at this chapel, in the walkway between Terminals B and C on the lower level, regardless of your religion. This is because it’s an interfaith center.

  • Can I shower at Boston Logan International Airport before leaving?

    You can shower before leaving BOS at The Lounge, a relaxation spot near Gate C19 in Terminal C. At this paid-entry lounge, you can also have a drink or two, a couple of snacks, and read some newspapers.

  • What are some of the special attractions at Philadelphia International Airport?

    PHL has a virtual library. In this space, a short distance from the D/E Connector, you can listen to classic and non-classic titles and podcasts. PHL also has Observation Areas on the Airsides of all its seven terminals. From any of these, you can spot flights taking off and landing at the airport.

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

    Among airlines operating Philadelphia to Boston flights:

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

  • What airlines are available from Philadelphia to Boston?

    3 airlines operate flights between Philadelphia and Boston. The airlines offering nonstop flights on this route include:
    • American Airlines
    • Delta
    • JetBlue

  • 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).

  • 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

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

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

    Four cabin classes are available on flights from Philadelphia to Boston:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Philadelphia to Boston?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $191 round-trip via Orlando (MCO), compared to $239 for nonstop.

  • 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 $35–$100 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 A320-100/200 variants.

  • 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) - 33% of one-stop connections
    • Raleigh-Durham (RDU) - 33% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 17% of one-stop connections
    • Orlando (MCO) - 17% of one-stop connections

    Washington, D.C. Dulles Intl (IAD) handles the largest share of one-stop connections on this route.

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

    On the Philadelphia to Boston route, being flexible with your departure day can save you up to 16%. Saturday is the cheapest day at $226 round-trip on average, while Monday is the most expensive at $266: a $40 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • At what point is a flight considered delayed 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 3 months, with delays averaging 2 hours 7 minutes.

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

    Morning is the busiest departure period on Philadelphia to Boston flights, with 48% of flights leaving in that window. Evening departures account for 29%, night flights for 17%, and afternoon flights for 6%.

  • What popular places can I visit in Boston?

    Some of the most popular sights in Boston are Fenway Park, TD Garden and South Station. These are among the most viewed places in Boston on KAYAK.

  • How long is a flight from Philadelphia to Boston?

    A nonstop flight from Philadelphia to Boston takes 1h 35m, covering 279 miles.

  • 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 6:00 am and lands at 7:35 am
    • Latest: departs at 10:16 pm and lands at 11:51 pm.

    The flight takes about 1h 35m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 38% above the route average of $240. Book 26 weeks before departure for the lowest fares.

  • 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 a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

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

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $195 to $1,345. That means the highest observed fare was about 7x higher than the lowest one.

  • 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 $114, which is 36% below the typical average for this route.

  • How does Frontier’s on-time performance compare to other airlines on Philadelphia to Boston flights?

    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: 90% on time
    • Delta: 87% on time
    • American Airlines: 82% on time

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

  • How do delay rates compare for morning and evening flights from Philadelphia to Boston?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • Is it cheaper to take a train or bus instead of flying between Philadelphia and Boston?

    Based on prices from the last 5 days, flying between Philadelphia and Boston is around $195 round-trip, with a flight time of about 4h 25m. Recent train fares are around $85, with a trip time of about 6h 57m. Compared with flying, recent train fares are roughly 57% lower. However, taking the train takes about 2+ hours longer each way.

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

    Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time at 4h 01m, compared with 9h 08m via Atlanta Hartsfield-Jackson (ATL) and 9h 16m via Raleigh-Durham (RDU).

  • What car rental options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
    · Dollar
    · Hertz
    · Budget
    · Thrifty
    · Sixt

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

    Round-trip flights from Philadelphia to Boston range from $183 to $330, with an average of $240 over the past 12 months. Anything below $183 counts as a good deal.

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

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

    • • American Airlines
    • • JetBlue
    • • Delta

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

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 can be flexible, aim for a Saturday departure instead of Monday. On this route, Saturday flights average $226 - about $40 less than Monday (15% 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 48% 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 $186 round-trip in that month - typically $95 less than the most expensive month, which is March (based on the last 12 months).
  • If arriving on time is high on your priority list, Frontier is the strongest pick on this route. 90% of Frontier flights from Philadelphia to Boston arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 83%. When flights on this route do arrive late, the average delay is 2 hours 7 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Orlando Airport (MCO) can be cheaper than flying direct. The cheapest layover option averages $191 round-trip on this route - about $48 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.
    - Courtyard by Marriott Boston Logan Airport
    - Embassy Suites by Hilton Boston at 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.
  • At Philadelphia International Airport (PHL), you can wait for your flight at American Airlines Admirals Club, United Club, or Delta Sky Club, provided you’re traveling with their parent airline. United Club is between Concourse C and D, while Delta Sky Club is to the right of The Earl of Sandwich in Terminal D. American Airlines Admirals Club has multiple locations, including in Concourses A East, A West, B, and F.
  • In case you need assistance at PHL, visit the information desks in the East Wing, Airside, and Landside of Terminal A, Airside of Terminal B, and Landside of Terminal E. At these desks, you’ll find airport staff who are easy to talk to and ready to help. Alternatively, look for airport ambassadors.
  • Suppose you want to fly sustainably from PHL to Boston Logan International Airport (BOS). If so, consider traveling with United Airlines or JetBlue, predominantly because these airlines have better waste-reduction, green design, and carbon offset programs than other air travel companies.

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

Everything you need to know for your flight from Philadelphia to Boston

Other airlines flying from Philadelphia to Boston