$74 Cheap Flights from San Juan (SJU) to Philadelphia (PHL)

View $74 flight on Thu, Mar 26, 2026Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from San Juan to Philadelphia (SJU-PHL)

Prices were available within the past 7 days and start at $74 for one-way flights and $146 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Mar 6 - Mon, Mar 16
SJU
San Juan
PHL
Philadelphia
$146 Roundtrip, found 11 hours ago
$146
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Fri, Mar 6 from San Juan to Philadelphia, returning Mon, Mar 16, priced at $146 found 11 hours ago
Frontier Airlines
Wed, Mar 4 - Tue, Mar 17
SJU
San Juan
PHL
Philadelphia
$152 Roundtrip, found 2 days ago
$152
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Mar 4 from San Juan to Philadelphia, returning Tue, Mar 17, priced at $152 found 2 days ago
Frontier Airlines
Thu, Mar 26 - Wed, Apr 8
SJU
San Juan
PHL
Philadelphia
$154 Roundtrip, found 20 hours ago
$154
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Thu, Mar 26 from San Juan to Philadelphia, returning Wed, Apr 8, priced at $154 found 20 hours ago
Frontier Airlines
Fri, May 1 - Sun, May 3
SJU
San Juan
PHL
Philadelphia
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 1 from San Juan to Philadelphia, returning Sun, May 3, priced at $160 just found
Frontier Airlines
Fri, May 8 - Tue, May 12
SJU
San Juan
PHL
Philadelphia
$170 Roundtrip, just found
$170
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 8 from San Juan to Philadelphia, returning Tue, May 12, priced at $170 just found
Frontier Airlines
Thu, Mar 5 - Sat, Mar 21
SJU
San Juan
PHL
Philadelphia
$172 Roundtrip, found 2 days ago
$172
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Mar 5 from San Juan to Philadelphia, returning Sat, Mar 21, priced at $172 found 2 days ago
Spirit Airlines
Wed, Mar 18 - Sun, Mar 22
SJU
San Juan
PHL
Philadelphia
$195 Roundtrip, just found
$195
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Mar 18 from San Juan to Philadelphia, returning Sun, Mar 22, priced at $195 just found
Delta
Thu, Apr 9 - Mon, Apr 13
SJU
San Juan
PHL
Philadelphia
$272 Roundtrip, just found
$272
Roundtrip
just found
Select Delta flight, departing Thu, Apr 9 from San Juan to Philadelphia, returning Mon, Apr 13, priced at $272 just found
United
Wed, Apr 15 - Sun, Apr 19
SJU
San Juan
PHL
Philadelphia
$272 Roundtrip, just found
$272
Roundtrip
just found
Select United flight, departing Wed, Apr 15 from San Juan to Philadelphia, returning Sun, Apr 19, priced at $272 just found
JetBlue Airways
Fri, May 1 - Sun, May 3
SJU
San Juan
PHL
Philadelphia
$275 Roundtrip, just found
$275
Roundtrip
just found
Select JetBlue Airways flight, departing Fri, May 1 from San Juan to Philadelphia, returning Sun, May 3, priced at $275 just found

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Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to New Castle ILG. Average driving time to city center is 44 minutes. Flights from $386
ILG
New Castle
Average driving time to city center44 min
Flights from $386

Find the cheapest month to fly from San Juan (SJU) to Philadelphia (PHL)

March is typically the cheapest month to fly

From $117 - $343 per traveler.

Frequently asked questions

How much does a flight from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) cost?
You can find cheap one-way flights from $74 and cheap return flights from $146 San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) with Expedia. One-way flights generally range between $169 and $858, and roundtrip flights usually range from $318 to $1386. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The cheapest month to fly from SJU to PHL is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
There are 4 airlines offering direct flights from SJU to PHL:

  • American Airlines operates around 19 direct flights from SJU to PHL every week
  • Frontier Airlines operates around 21 direct flights from SJU to PHL every week
  • Spirit Airlines operates around 9 direct flights from SJU to PHL every week
  • JetBlue Airways operates around 7 direct flights from SJU to PHL every week

What is the cheapest airline that flies from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
Frontier Airlines is one of the cheapest airlines offering nonstop flights from Luis Munoz Marin Intl. (SJU) to Philadelphia Intl. (PHL), with round-trip tickets starting from around $414. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
To find a cheap flight from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The best airline to fly with from San Juan (SJU) to Philadelphia, PA (PHL) will differ from traveler to traveler. If you like to fly early, Frontier Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. American Airlines offers the most daily flights from SJU to PHL, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
On average, there are around 7 nonstop flights per day from Luis Munoz Marin Intl. (SJU) to Philadelphia Intl. (PHL). For more options, look at flights that include layovers.
What is the earliest flight from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
The earliest flight from San Juan (SJU) to Philadelphia (PHL) typically departs at around 12:25 AM, operated by Frontier Airlines. This is a seasonal service active in September and October, allowing you to start your journey early and maximize your time in Philadelphia. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
For flights from San Juan (SJU) to Philadelphia, PA (PHL), the most popular departure times are in the early morning, from 6am to 9am. About 29% of travelers choose this time window. Many major carriers, including American Airlines and United, offer flights during this window. This timing is favored as it allows you to arrive in Philadelphia with plenty of time to settle in for the day.
How long does it take to fly from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
Flying nonstop from SJU to PHL takes around 4 hours 20 minutes, with the route covering approximately 1,580 miles. Flights with a layover typically take 4 hours 10 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
Business class seats are offered on the SJU to PHL route with American Airlines.First class cabins are available on:

  • Delta Air Lines
  • Spirit Airlines
  • United Airlines

How much is a business class flight from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
A direct, return business class ticket from San Juan (SJU) to Philadelphia (PHL) typically costs between $805 - $1,061. A non-stop, one-way business class flight is usually around $428 - $512. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) flight with Expedia?
It's easy to earn miles on a San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Philadelphia from Luis Munoz Marin Intl. (SJU)?
If you're planning to travel to Philadelphia from Luis Munoz Marin Intl. (SJU), you can fly into Philadelphia Intl. (PHL) Some flights may connect through major hubs like Liberty Intl. (EWR), George Bush Intercontinental (IAH), O'Hare Intl. (ORD) before reaching Philadelphia. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) at the last minute?
Typically, booking a last minute flight from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) flight and hotel package?
Securing a San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) Philadelphia Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
If you booked your San Juan (SJU-Luis Munoz Marin Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$146
Distance
1580 mi
Average flight time
3 hours 15 mins

Book with confidence

San Juan to Philadelphia Flights

The cheapest times to fly from San Juan to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Philadelphia are during the month of March. You can find some of the cheapest flights from San Juan to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Philadelphia

Sunday is one of the best days to book for cheap flights from San Juan to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Juan to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Philadelphia in 2026. You can also book with separate airlines for your outbound and return journeys, from $74 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Juan to Philadelphia Flights

*Flight schedules are subject to change.

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*Available to One Key members.