BOS - PHL

Find Cheap Flights from Boston to Philadelphia

1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Philadelphia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Philadelphia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Philadelphia, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Philadelphia (BOS-PHL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Boston to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Boston to Philadelphia

Multiple Airlines Logo
BOS-PHL
279 mimulti-stop
Multiple Airlines Logo
PHL-BOS
279 mimulti-stop
Multiple Airlines
Find Deal

Everything you should know

When to book
3 weeks
in advance
Our data shows that travellers who book at least 3 weeks in advance save around 42% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 26% price drop
November
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
Multiple Airlines
Wed 29/10
BOS - PHL • multi-stop
Cheapest one-way flight
Multiple Airlines
Wed 29/10
BOS - PHL • multi-stop
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Philadelphia!
Booking Insights

KAYAK's insights & trends for Boston to Philadelphia flights

Get data-powered insights and trends into flights from Boston to Philadelphia to help you find the cheapest flights, the best time to fly and much more.

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

The average price of all round-trip flights from Boston to Philadelphia clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Boston to Philadelphia, look for departures on Fridays and avoid leaving on a Wednesday, as it's usually the priciest day. When flying back from Philadelphia, Monday is the cheapest day to fly and Thursday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Philadelphia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Philadelphia is January, where tickets cost £119 (return) on average. On the other hand, the most expensive months are May and June, where the average cost of round-trip tickets is £203 and £195 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to Philadelphia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boston to Philadelphia, you should book around 3 weeks before departure, which saves you about 42% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Good to know - Cheap tickets from Boston to Philadelphia

Low seasonAugust
Best time to beat the crowds but there is an average 16% increase in price.
Most popular time to fly and prices are also 8% lower on average.

When to book flights from Boston to Philadelphia

Are your dates flexible? Find out the best times to travel from Boston to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Philadelphia

  • What family facilities are available at Boston Logan International Airport (BOS)?

    For those with small children, the airport provides nursing suites featuring changing tables, fold-down chairs, and power outlets. Nursing areas can be found in Terminals A, B, C, and E. For children aged 2-9 years, there play area where they can burn off their energy before the flight. Kid Port areas are located in Terminals A, B, and C. The airport also provides rest areas fitted with rocking chairs located throughout the terminals.

  • How will you get from Philadelphia International Airport (PHIL) to Downtown Philadelphia?

    You have three options to reach the city center from Philadelphia Airport. You can travel either by SEPTA bus route 37 that runs from the airport to Philadelphia. SEPTA train service is another option. Trains run every 30 minutes from the airport to Philadelphia city center. Lastly, renting a car is the other option. The rental car information desks at the airport are located near the Baggage Claims A, B/C, and D/E.

  • Is parking available at Boston Logan International Airport (BOS)?

    BOS Airport offers a variety of parking options: the Central Parking Garage, Terminal E Lots, and Terminal B Garage. The airport also offers an Economy Parking lot with complimentary shuttles that operate across all terminals. The parking fees at BOS Airport average around $7.00-$70.00.

  • Is Boston Logan International Airport (BOS) accessible for passengers with limited mobility?

    Boston Logan International Airport is designed to be accessible to people with reduced mobility. The airport offers assisted care washrooms, and all washrooms and other areas of the airport are also accessible by wheelchair. There is also a braille service in all elevators.

  • Which airlines offer Wi-Fi service onboard planes from Boston to Philadelphia?

    JetBlue, Delta, American Airlines, Aeromexico, and Air France offer inflight Wi-Fi service on the Boston to Philadelphia flight route.

  • Which aircraft models fly most regularly from Boston to Philadelphia?

    The Embraer 175 is the aircraft model that flies most regularly on the Boston to Philadelphia flight route.

  • Which airline alliances offer flights from Boston to Philadelphia?

    oneworld is the only airline alliance operating flights between Boston and Philadelphia.

  • On which days can I fly direct from Boston to Philadelphia?

    There are direct flights from Boston to Philadelphia on a daily basis.

  • Which is the best airline for flights from Boston to Philadelphia, American Airlines or JetBlue?

    The two airlines most popular with KAYAK users for flights from Boston to Philadelphia are American Airlines and JetBlue. With an average price for the route of £204 and an overall rating of 7.2, American Airlines is the most popular choice. JetBlue is also a great choice for the route, with an average price of £127 and an overall rating of 7.2.

  • How does KAYAK find such low prices on flights from Boston to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Philadelphia with an airline and back to Boston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Boston to Philadelphia

  • Looking for a cheap flight from Philadelphia to Boston? 25% of our users found flights on this route for £63 or less one-way.
  • Boston Logan International Airport (BOS) is located 3 miles from Downtown Boston. The airport serves as the transatlantic hub for Delta Air Lines, which is one of the airlines with flights to Philadelphia. The airport can be reached from Downtown Boston via the MBTA Silver Line Bus Transit service. A ride from downtown to the airport takes about 30-40min.
  • Philadelphia International Airport (PHL) is located 7 miles from Downtown Philadelphia. The airport serves as a hub for American Airlines that serves the BOS-PHL route.
  • If you need cash, you can withdraw money from one of the ATMs at Boston Logan International Airport. The ATMs are provided by different providers including Citizen Bank, Bank of America, and Chase Bank. The ATMs are located across the airport on both the Airside and Landside of each terminal.
  • If you want a calm place to relax and maybe grab a meal or a drink before your flight, the lounges at Boston Logan International Airport offer the perfect place. The lounges have comfortable seating and a quiet environment where you can enjoy your meal or read a magazine. Lounges include The Club at BOS located in Terminal E, Delta Sky Club at Terminal A, and American Airlines Admirals Club located at Terminal B.
  • Boston Logan International Airport offers a variety of shopping options. There is a duty-free shop along with a wide array of retail shops and newsstands. If you have the time, you can window-shop or even buy a gift for your loved one.

Prefer to fly direct from Boston to Philadelphia?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Boston Logan Intl to Philadelphia.
Find which airlines fly direct from Boston Logan Intl Airport to Philadelphia Airport, which days they fly and book direct flights.

Direct departures

Boston Logan Intl to Philadelphia

Monday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Tuesday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Wednesday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Thursday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Friday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Saturday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Sunday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

See more direct flights

Direct returns

Philadelphia to Boston Logan Intl

Monday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Tuesday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Wednesday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Thursday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Friday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Saturday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

Sunday

American Airlines, Delta, Frontier, +1 more

American Airlines, Delta, +2 more

See more direct flights

Reviews of the top airlines flying from Boston to Philadelphia

 
See real verified KAYAK customer reviews for airlines flying from Boston to Philadelphia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Philadelphia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
American AirlinesOverall score based on 11032 reviews
6.9Entertainment
7.2Comfort
7.5Boarding
8.0Crew
6.4Food
Airline reviews

the trip to madrid was uncomfortable with my legs touching the seat in front of me

10.0 ExcellentAnonymous, Oct 2025MSP - PHL
Read more American Airlines reviews

the trip to madrid was uncomfortable with my legs touching the seat in front of me

Very crowded flight but what can you expect these days?? Crew was accommodating.

The seats in economy were appeared to be quite thin and lack sufficient cushioning to be comfortable. Perhaps it was my seating position but the plane seemed notably load.

Internet was a bit expensive and did not work ask that week otherwise a good flight

The flight had a delay that made me being in a real rush to take the second flight. The delay was almost for 2 hours. They moved us from gate to gate in 4 times. Once I arrived to Philadelphia, I got to run thorough all the airport, as the train was already closed by that time. So I got sick with asthma for all the running I had to do. And I was the last one to board, when it was almost closed. So irresponsable with the people

The plane was probably full boarding was easy. We were able to check our carry-on luggage for free. It was a return flight through Philly to LA. Never saw a stewardess do a demonstration of emergency Procedures. I think my flight was pretty full

Overall, a good experience. The food, however, was subpar. The breakfast was a joke.

I was late from Jacksonville, FL but the limited interaction I had with the Philly crew was great.

The delays and cancellations kept me stuck in Miami for an additional 24 hours, and the whole thing seemed extremely disorganized

Everything was great except British airways lost our luggage that was gate checked all the way through to Italy. No one knows currently where one is and the other one may be in route to Amsterdam to meet us but not sure. If you can Hale’s it would be awesome. The website is not helpful.

The flight was two hours late due to a computer fault and resulting maintenance. Nothing was offered as compensation beyond bottles of water during the time we were deplaned and waiting in the terminal.

Very pleasant flight attendants. Gate crew rather loud chatting with each other.

Four plus hour flight delay in New York caused us to take off after 11:30pm. We didn’t arrive at our hotel until five hours after check in. Started the trip off feeling exhausted.

Plane was in bad shape. TV’s and WiFi didn’t work. Plane need a refresh. Not enough room for bags.

Everything was great. I liked the text updates so that I never miss a gate change & I have all the latest info.

I don’t usually fly budget airlines or airlines in the United States. It was as good as any other airline. The seats are comfortable and the airline attendants are not rude & surly. Very nice flight (s).

They have the most inexperienced / rude flight staff I’ve encountered

very difficult boarding process - aggressive passengers not the friendliest crew

WiFi was not eorkig (again) And the plane was from 1990 with the screens which were.not touch and most didn’t even work and if lucky could tune in tv

I paid extra for a seat closer to the front. The TV didn’t work at all for the entire flight. Would have been nice to know before I purchased an “upgraded “ seat

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

Information on your arrival and departure airports

Compare transportation modes for Boston to Philadelphia

Transportation modeAverage priceAverage duration
Flights£740h 00m
Trains£995h 42m

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.