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Cheap flights from Boston to Philadelphia from $42

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Philadelphia departing on 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Boston to Philadelphia

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Boston to Philadelphia.
Frontier Logo
9:01 am - 10:44 amBOS-PHL
1h 43mnonstop
Frontier Logo
6:30 am - 7:59 amPHL-BOS
1h 29mnonstop
$98Frontier
Find Deal
Tue, Jul 1 - Tue, Jul 8
Frontier Logo
9:01 am - 10:44 amBOS-PHL
1h 43mnonstop
Frontier Logo
6:27 am - 8:06 amPHL-BOS
1h 39mnonstop
$99Frontier
Find Deal
Tue, Jun 17 - Tue, Jun 24
Delta Logo
7:30 pm - 9:09 pmBOS-PHL
1h 39mnonstop
Delta Logo
6:00 am - 7:27 amPHL-BOS
1h 27mnonstop
$147Delta
Find Deal
Tue, May 6 - Tue, May 20
JetBlue Logo
8:00 am - 9:38 amBOS-PHL
1h 38mnonstop
JetBlue Logo
5:30 pm - 6:55 pmPHL-BOS
1h 25mnonstop
$167JetBlue
Find Deal
Tue, May 13 - Tue, May 13
Delta Logo
5:20 pm - 7:02 pmBOS-PHL
1h 42mnonstop
Delta Logo
6:00 am - 7:27 amPHL-BOS
1h 27mnonstop
$172Delta
Find Deal
Sat, May 17 - Mon, May 26
American Airlines Logo
8:00 am - 9:40 amBOS-PHL
1h 40mnonstop
American Airlines Logo
9:20 pm - 10:51 pmPHL-BOS
1h 31mnonstop
$174American Airlines
Find Deal
Sun, May 18 - Wed, May 21
JetBlue Logo
8:45 pm - 10:22 pmBOS-PHL
1h 37mnonstop
JetBlue Logo
3:00 pm - 4:20 pmPHL-BOS
1h 20mnonstop
$189JetBlue
Find Deal
Tue, Sep 16 - Tue, Sep 23
American Airlines Logo
8:00 am - 9:40 amBOS-PHL
1h 40mnonstop
American Airlines Logo
6:46 pm - 11:31 pmPHL-BOS
4h 45m1 stop
$208American Airlines
Find Deal
Wed, May 7 - Sun, May 11
United Airlines Logo
6:00 am - 2:26 pmBOS-PHL
8h 26m1 stop
United Airlines Logo
5:15 pm - 12:45 amPHL-BOS
7h 30m1 stop
$242United Airlines
Find Deal
Wed, May 7 - Mon, Aug 25
United Airlines Logo
5:30 am - 9:39 amBOS-PHL
4h 09m1 stop
United Airlines Logo
6:30 am - 3:23 pmPHL-BOS
8h 53m1 stop
$252United Airlines
Find Deal
Fri, May 23 - Sat, May 31

Spirit Airlines flights from Boston to Philadelphia

Our best Spirit Airlines deals on Boston to Philadelphia flight tickets
Spirit Airlines
May 6
BOS7:00 pmBoston Logan Intl
1h 40m
PHL8:40 pmPhiladelphia
May 13
PHL5:45 amPhiladelphia
8h 59m
1 stop
BOS2:44 pmBoston Logan Intl
Spirit Airlines
May 6
BOS7:00 pmBoston Logan Intl
1h 40m
PHL8:40 pmPhiladelphia
May 20
PHL5:45 amPhiladelphia
8h 59m
1 stop
BOS2:44 pmBoston Logan Intl
Spirit Airlines
May 6
BOS7:00 pmBoston Logan Intl
1h 40m
PHL8:40 pmPhiladelphia
May 7
PHL7:00 amPhiladelphia
7h 44m
1 stop
BOS2:44 pmBoston Logan Intl

Frontier flights from Boston to Philadelphia

Our best Frontier deals on Boston to Philadelphia flight tickets
Frontier
Jul 1
BOS9:01 amBoston Logan Intl
1h 43m
PHL10:44 amPhiladelphia
Jul 8
PHL6:30 amPhiladelphia
1h 29m
BOS7:59 amBoston Logan Intl
Frontier
Jun 17
BOS9:01 amBoston Logan Intl
1h 43m
PHL10:44 amPhiladelphia
Jun 24
PHL6:27 amPhiladelphia
1h 39m
BOS8:06 amBoston Logan Intl
Frontier
Jun 17
BOS9:01 amBoston Logan Intl
1h 43m
PHL10:44 amPhiladelphia
Jun 24
PHL6:27 amPhiladelphia
1h 39m
BOS8:06 amBoston Logan Intl

See travel insights to Philadelphia from

How to get the cheapest flight ticket from Boston to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Boston is in August. Flight prices, which tend to average around $98, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Philadelphia, with average flight prices from Boston averaging around $137.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Boston to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $240. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $333.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Boston to Philadelphia in the evening for as low as $216. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $423.

What is the cheapest Boston Logan Intl to Philadelphia flight route?

Fly from Boston Logan Intl to Philadelphia for the best Boston Logan Intl - Philadelphia flight prices

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

You are more likely to see cheaper flights to Philadelphia from Boston when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $162 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Boston for as low as $132 on momondo.

What cabin class options are available on Boston Logan Intl to Philadelphia flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Philadelphia flight prices changed over time?

As of April 2025, prices for Boston to Philadelphia flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Philadelphia (BOS to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Philadelphia

Best Price Found

$42

Fastest flight time

1h 31m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Boston in the past 72 hours is $42. The best round-trip flight deal from Boston to Philadelphia found on momondo in the last 72 hours is $98.
The fastest flight from Boston to Philadelphia takes 1h 31m
Direct flights go from Boston to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)

  • Is flying the fastest way to get from Boston to Philadelphia?

    The quickest way is to book a flight from Boston to Philadelphia, which can be as quick as 1h 31m onboard JetBlue. You can also get a train from Boston to Philadelphia, or a bus from Boston to Philadelphia which can take you longer to arrive at your destination.

  • Is flying the cheapest way to get from Boston to Philadelphia?

    A bus from Boston to Philadelphia is currently going to be the least expensive option currently available. You can also find deals for a flight from Boston to Philadelphia starting at $98, or consider a train from Boston to Philadelphia starting at $99. Both of these alternative options are worth considering when looking to reach your destination.

  • How far is Boston Logan Intl to Philadelphia by plane?

    There are 270.0 mi between Boston Logan Intl and Philadelphia. 1h 31m is a normal flight duration for this route.

  • What is the carbon footprint of flying from Boston Logan Intl to Philadelphia?

    The carbon footprint of flying from Boston Logan Intl to Philadelphia is 266lb, on average. You can sort momondo flight search results by CO2. Choosing a train for this journey would reduce your carbon footprint from 266lb to 63lb - that is, by about 77%. Although it takes longer, opting for a bus over an airplane would reduce the carbon footprint of your trip to about 40lb.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Philadelphia Airport?

    Prices for flights from Boston Logan Intl Airport to Philadelphia Airport were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Philadelphia Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Philadelphia Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Boston to Philadelphia?

  • What is the most popular airline from Boston to Philadelphia?


Best airlines flying from Boston to Philadelphia

Compare and see reviews for airlines that fly from Boston to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $32Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
JetBluePriceFrom $70Free CancellationRating
7.3
2,924 reviews
Search JetBlue flights
DeltaPriceFrom $74Free CancellationRating
8.0
7,920 reviews
Search Delta flights
American AirlinesPriceFrom $130Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $166Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
  • Delta Flights From Boston to Philadelphia

    Delta operates around 13 flights from Boston to Philadelphia every week. The average price of these flights found in the last 72 hours has been $199, but momondo users have found Delta deals from Boston to Philadelphia from as low as $74 round-trip. Delta has been scored 8.0/10 in 7,920 reviews.

  • JetBlue Flights From Boston to Philadelphia

    JetBlue is also a popular choice for this route. JetBlue flight deals for Boston to Philadelphia start from as low as $70 round-trip, depending on your selected dates, with average JetBlue deals seen on momondo around $183. JetBlue operates 7 flights to Philadelphia from Boston in an average week. Users have rated it 7.3/10 across 2,924 reviews.


Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Rehoboth Beach
Cape May
Ocean City
Wildwood Crest
Reading
King of Prussia
Newark
Dover
Cherry Hill
North Wildwood
Dewey Beach
Lewes
Exton
Vineland
Essington
New Castle
Pottstown
Avalon
Stone Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Philadelphia?

Finding the right flight to Philadelphia from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Philadelphia quick and easy, saving you time and money.

Can I find flights from Boston to Philadelphia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Philadelphia flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Philadelphia?

momondo helps you find the best flight between Boston and Philadelphia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Philadelphia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Philadelphia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


Choose the best way to get from Boston to Philadelphia

Buses

7h 00m
$36 one-way$92 round-trip
1 stop · from $36

Distance to downtown

DA40.8 mi
ZFV1.5 mi
40lb CO2

85% less than flights

Find Buses

Boston to Philadelphia Buses

Trains

5h 41m
$43 one-way$99 round-trip
Nonstop · from $99

Distance to downtown

ZFV1.5 mi
64lb CO2

76% less than flights

Find Trains

Boston to Philadelphia Trains

Flights

1h 31m
$42 one-way$98 round-trip
Nonstop · from $981 stop · from $119

Distance to downtown

PHL7.0 mi

An easier way to manage your Philadelphia trip

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Mon 5/5

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