$46 Cheap Flights from San Juan (SJU) to Philadelphia (PHL)

View $46 flight on Fri, Dec 19, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $46 for one-way flights and $106 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Dec 22 - Mon, Jan 5
SJU
San Juan
PHL
Philadelphia
$106 Roundtrip, found 20 hours ago
$106
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Mon, Dec 22 from San Juan to Philadelphia, returning Mon, Jan 5, priced at $106 found 20 hours ago
Frontier Airlines
Fri, Nov 21 - Fri, Nov 28
SJU
San Juan
PHL
Philadelphia
$128 Roundtrip, just found
$128
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Nov 21 from San Juan to Philadelphia, returning Fri, Nov 28, priced at $128 just found
Frontier Airlines
Tue, Nov 25 - Mon, Jan 5
SJU
San Juan
PHL
Philadelphia
$137 Roundtrip, found 5 hours ago
$137
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Tue, Nov 25 from San Juan to Philadelphia, returning Mon, Jan 5, priced at $137 found 5 hours ago
Frontier Airlines
Thu, Nov 27 - Mon, Dec 1
SJU
San Juan
PHL
Philadelphia
$138 Roundtrip, just found
$138
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 27 from San Juan to Philadelphia, returning Mon, Dec 1, priced at $138 just found
Frontier Airlines
Mon, Dec 22 - Wed, Jan 7
SJU
San Juan
PHL
Philadelphia
$143 Roundtrip, found 4 hours ago
$143
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Mon, Dec 22 from San Juan to Philadelphia, returning Wed, Jan 7, priced at $143 found 4 hours ago
Frontier Airlines
Mon, Dec 22 - Thu, Jan 22
SJU
San Juan
PHL
Philadelphia
$145 Roundtrip, found 9 hours ago
$145
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Mon, Dec 22 from San Juan to Philadelphia, returning Thu, Jan 22, priced at $145 found 9 hours ago
Spirit Airlines
Thu, Nov 13 - Sun, Nov 16
SJU
San Juan
PHL
Philadelphia
$212 Roundtrip, just found
$212
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Nov 13 from San Juan to Philadelphia, returning Sun, Nov 16, priced at $212 just found
Delta
Thu, Dec 4 - Mon, Dec 8
SJU
San Juan
PHL
Philadelphia
$247 Roundtrip, found 7 hours ago
$247
Roundtrip
found 7 hours ago
Select Delta flight, departing Thu, Dec 4 from San Juan to Philadelphia, returning Mon, Dec 8, priced at $247 found 7 hours ago
United
Fri, Jan 16 - Mon, Jan 19
SJU
San Juan
PHL
Philadelphia
$283 Roundtrip, just found
$283
Roundtrip
just found
Select United flight, departing Fri, Jan 16 from San Juan to Philadelphia, returning Mon, Jan 19, priced at $283 just found
JetBlue Airways
Wed, Dec 24 - Wed, Dec 31
SJU
San Juan
PHL
Philadelphia
$285 Roundtrip, found 1 hour ago
$285
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Wed, Dec 24 from San Juan to Philadelphia, returning Wed, Dec 31, priced at $285 found 1 hour ago

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

March is typically the cheapest month to fly

From $117 - $412 per traveler.

Alternative airports near Philadelphia

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

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $257
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $257

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL) cost?
Snag a cheap one-way flight from $46 or cheap return flight from $106 from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from SJU to PHL is December, when there's less demand. Off-peak months are typically when you'll find lower airfares between these airports.
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 Luis Munoz Marin Intl. Airport (SJU) to Philadelphia Intl. Airport (PHL)?
The cheapest airline to offer flights between Luis Munoz Marin Intl. Airport (SJU) and Philadelphia Intl. Airport (PHL) will change depending on when you want to travel. Spirit Airlines and American Airlines are just some good options offering reasonable prices. Use Expedia's filters to compare airlines in one place and find the right SJU to PHL flight that fits your budget.
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.

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
$106
Distance
1580 mi
Average flight time
3 hours 44 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 December. 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 $46 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

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*Available to One Key members.