$84 Cheap Flights from San Juan (SJU) to Philadelphia (PHL)

View $84 flight on Wed, Apr 30, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $84 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Fri, May 2 - Tue, May 6
SJU
San Juan
PHL
Philadelphia
$170 Roundtrip, found 5 hours ago
$170
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Fri, May 2 from San Juan to Philadelphia, returning Tue, May 6, priced at $170 found 5 hours ago
Spirit Airlines
Thu, May 1 - Mon, May 5
SJU
San Juan
PHL
Philadelphia
$173 Roundtrip, just found
$173
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, May 1 from San Juan to Philadelphia, returning Mon, May 5, priced at $173 just found
Spirit Airlines
Fri, May 2 - Tue, May 6
SJU
San Juan
PHL
Philadelphia
$179 Roundtrip, found 5 hours ago
$179
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Fri, May 2 from San Juan to Philadelphia, returning Tue, May 6, priced at $179 found 5 hours ago
Spirit Airlines
Thu, May 1 - Tue, May 6
SJU
San Juan
PHL
Philadelphia
$189 Roundtrip, found 8 hours ago
$189
Roundtrip
found 8 hours ago
Select Spirit Airlines flight, departing Thu, May 1 from San Juan to Philadelphia, returning Tue, May 6, priced at $189 found 8 hours ago
Spirit Airlines
Tue, Apr 29 - Mon, May 5
SJU
San Juan
PHL
Philadelphia
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Tue, Apr 29 from San Juan to Philadelphia, returning Mon, May 5, priced at $190 found 1 day ago
Spirit Airlines
Sat, May 3 - Tue, May 6
SJU
San Juan
PHL
Philadelphia
$193 Roundtrip, found 3 hours ago
$193
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Sat, May 3 from San Juan to Philadelphia, returning Tue, May 6, priced at $193 found 3 hours ago
Frontier Airlines
Sat, May 3 - Tue, May 6
SJU
San Juan
PHL
Philadelphia
$209 Roundtrip, found 3 hours ago
$209
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, May 3 from San Juan to Philadelphia, returning Tue, May 6, priced at $209 found 3 hours ago
Southwest Airlines
Fri, May 2 - Tue, May 6
SJU
San Juan
PHL
Philadelphia
$218 Roundtrip, found 5 hours ago
$218
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Fri, May 2 from San Juan to Philadelphia, returning Tue, May 6, priced at $218 found 5 hours ago
United
Sat, May 3 - Mon, May 5
SJU
San Juan
PHL
Philadelphia
$269 Roundtrip, just found
$269
Roundtrip
just found
Select United flight, departing Sat, May 3 from San Juan to Philadelphia, returning Mon, May 5, priced at $269 just found
JetBlue Airways
Thu, May 29 - Sun, Jun 1
SJU
San Juan
PHL
Philadelphia
$300 Roundtrip, just found
$300
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, May 29 from San Juan to Philadelphia, returning Sun, Jun 1, priced at $300 just found
Flights from San Juan (SJU) to Philadelphia (PHL)
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
$170
Distance
1580 mi

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 May. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $84 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.

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL) cost?
Find cheap return fares from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL) starting at $270. Grab your seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving SJU on May 16 2025 and touching down at PHL. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from SJU to PHL?
The cheapest flights from SJU to PHL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL)?
Skip the layovers and travel nonstop from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL) with 3 airlines, including:

  • Frontier Airlines
  • American Airlines
  • Spirit Airlines

What is the cheapest airline that flies from SJU to PHL?
Currently, the cheapest carrier offering one-way flights from SJU to PHL is Spirit Airlines. You can take off on this route from $136. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SJU on May 4 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL)?
With, on average, 5 direct flights that operate from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL) every day, you’ll be off on your next adventure in no time.
What are the most popular departure times for flights from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL)?
The 6 AM departures from SJU to PHL see the highest demand. Prices can be higher for these popular slots. If you want to save on your trip, book during off-peak hours.
What day of the week has the most flights from SJU to PHL?
If you travel on a Friday, you’ll get the biggest range of choices for flights from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL).
What is the earliest flight from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL)?
Luis Munoz Marin Intl. Airport (SJU)’s earliest flight to Philadelphia Intl. Airport (PHL) departs at approximately 6:00AM UTC-4. With a travel time of 4h 20m, you’ll touch down at around 9:20AM UTC-5.
How long does it take to fly from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL)?
Flights from SJU to PHL have an average travel time of 4 hours and 15 minutes. The total distance between the two is 1,600 mi.
What airline has the least delays from SJU to PHL?
American Airlines has the best performance for on-time direct flights from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL), with an on-time rating of 80%. Use the Expedia App to view your journey status before you head off and get notified of any trip changes.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL)?
To touch down at Philadelphia Intl. Airport (PHL) on schedule, book a flight that leaves Luis Munoz Marin Intl. Airport (SJU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Philadelphia from Luis Munoz Marin Intl. Airport (SJU)?
If you’re departing on a direct flight from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia, you’ll land at either Philadelphia Intl. Airport (PHL) or Wilmington, DE (ILG-New Castle).
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your plane ticket from SJU to PHL shortly before your journey is usually more expensive. But if you’re flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SJU to PHL flight and hotel package?
You’ll generally save money by securing a SJU to PHL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one convenient place. After selecting your preferred flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL)?
In most instances, you’re able to reschedule or cancel your SJU to PHL flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline’s fees and guidelines on flight changes, or if you need more details, head to our Customer Service portal.

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