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$76+ Cheap flights from Philadelphia (PHL) to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJU
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to San Juan are usually found in October or September, booked 58 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from Philadelphia to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 1, 2025.

Round-trip from

$175
(Cheapflightsfares)

One-way from

$76
(eDestinos)

Popular in

December

Cheapest in

October

Average price

$239
From Philadelphia to San Juan
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One-way flight from Philadelphia to San Juan
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Highest demand for flights based on searches. 9% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Philadelphia to San Juan

Cheapest flights from Philadelphia to San Juan
Explore the most affordable flight options available from Philadelphia to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:03 pmPHL - SJU
1 stop14h 29mSpirit Airlines
Thu 5/811:50 amSJU - PHL
1 stop12h 01mSpirit Airlines
Deal found 4/30$175
This eDestinos deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/219:00 amPHL - SJU
Nonstop3h 53mFrontier
Tue 5/2712:59 amSJU - PHL
Nonstop4h 02mFrontier
Deal found 4/30$199
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:00 amPHL - SJU
Nonstop3h 43mMultiple Airlines
Tue 5/137:28 pmSJU - PHL
Nonstop4h 01mMultiple Airlines
Deal found 4/30$203
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/47:00 amPHL - SJU
1 stop7h 19mDelta
Fri 5/91:55 pmSJU - PHL
1 stop9h 10mDelta
Deal found 4/30$269
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/310:44 amPHL - SJU
2 stops13h 13mUnited Airlines
Sat 5/107:25 amSJU - PHL
2 stops13h 58mUnited Airlines
Deal found 4/30$279
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/308:25 pmPHL - SJU
Nonstop3h 44mAmerican Airlines
Thu 5/85:25 amSJU - PHL
Nonstop4h 05mAmerican Airlines
Deal found 4/30$305
This JetBlue deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/186:35 pmPHL - SJU
1 stop6h 56mJetBlue
Fri 8/17:20 amSJU - PHL
1 stop10h 30mJetBlue
Deal found 4/30$310

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Philadelphia to San Juan that are best for you.

Fly from

Philadelphia

Fly to

San Juan

Route

Depart

Return

Price

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 5/21

9:00 am-12:53 pm

Nonstop3h 53m

San Juan Luis Munoz Marin Intl

Tue 5/27

12:59 am-5:01 am

Nonstop4h 02m

$199

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 5/11

6:00 am-9:43 am

Nonstop3h 43m

San Juan Luis Munoz Marin Intl

Tue 5/13

7:28 pm-11:29 pm

Nonstop4h 01m

$203

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 5/19

6:00 am-9:43 am

Nonstop3h 43m

San Juan Luis Munoz Marin Intl

Tue 5/27

10:38 am-2:47 pm

Nonstop4h 09m

$214

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sat 5/10

1:10 pm-11:54 pm

1 stop10h 44m

San Juan Luis Munoz Marin Intl

Sat 5/17

7:25 am-2:05 pm

1 stop6h 40m

$279

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 5/30

6:00 am-12:45 pm

1 stop6h 45m

San Juan Luis Munoz Marin Intl

Wed 6/4

5:43 pm-12:57 am

1 stop7h 14m

$289

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 7/18

6:35 pm-1:31 am

1 stop6h 56m

San Juan Luis Munoz Marin Intl

Fri 8/1

7:20 am-5:50 pm

1 stop10h 30m

$310

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 5/5

7:03 pm-10:32 am

1 stop15h 29m

$84

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Thu 5/15

11:07 am-3:00 pm

Nonstop3h 53m

$108

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 7/4

5:40 pm-12:49 am

1 stop7h 09m

$155

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 5/13

6:05 am-5:30 pm

2 stops11h 25m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 14 results
1
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Best time to book a flight from Philadelphia to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to San Juan

How far ahead should I book a flight from Philadelphia to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to San Juan. Price data was last updated on April 25, 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Philadelphia to San Juan?

Currently, September is the cheapest month in which you can book a flight from Philadelphia to San Juan (average of $254). Flying from Philadelphia to San Juan in December is currently the most expensive (average of $336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to SJU?

Find hourly flight availability from Philadelphia to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

It’s typically best to fly out from Philadelphia to San Juan in the evening. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Philadelphia to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to San Juan. Price data was last updated on March 31, 2024.

Travelers seeking maximum savings on their Philadelphia to San Juan flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated May 1, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Philadelphia to San Juan by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,294 reviews

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,294 reviews
Southwest
8.0
Very good
4,294 reviews

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,934 reviews
Southwest
8.0
Very good
4,294 reviews

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,294 reviews

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,294 reviews

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Spirit Airlines
6.3
Okay
7,963 reviews
Southwest
8.0
Very good
4,294 reviews

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to San Juan?

    If you book a flight to San Juan from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 4 flights from Philadelphia to San Juan per day from 8 different airlines.

  • What are the cheapest airlines flying from Philadelphia to San Juan round-trip?

    Cheapflights users have booked flights from Philadelphia to San Juan round-trip from $175. Other airlines that can offer you cheap pricing are Frontier, from $199, and United Airlines, from $269. You may be able to fly from Philadelphia to San Juan for 35% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Philadelphia to San Juan one-way?

    One-way options have recently been found by users for as low as $76 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $100 and JetBlue from $155 one-way.

  • What are the most reliable airlines from Philadelphia to San Juan?

    Consider American Airlines (78%), British Airways (73%) or Qatar Airways (69%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to San Juan.

  • What are the cheapest flights from Philadelphia to San Juan?

    On average you can expect to pay $537 for a flight from Philadelphia to San Juan. The cheapest flight overall is $67 while the most popular route, (Philadelphia - San Juan Luis Munoz Marin Intl) is currently priced at $179.

  • Where are the most common layover locations when flying from Philadelphia to San Juan?

    Philadelphia to San Juan flights have a layover in Orlando most of the time. Miami is the second most popular location for layovers on flights from Philadelphia to San Juan.

  • What are some popular things to do or see while on a layover in Orlando?

    Walt Disney World Resort, Universal Orlando Resort, and International Drive are currently the most popular points of interest in Orlando at the moment. Walt Disney World Resort, Universal Orlando Resort, and International Drive can be accessed by traveling approximately 16.2 mi, 10.2 mi, and 9.9 mi, respectively from Orlando. Travelers can rent a car at Orlando for an average daily rate of $27 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Miami?

    Most Miami visitors opt to spend their time at Wynwood Art District, Bayfront Park, and Bayside Marketplace. Travelers on a layover in Miami can visit Wynwood Art District, Bayfront Park, and Bayside Marketplace, by traveling 5.5 mi, 6.4 mi, and 6.4 mi, respectively after landing at Miami. Travelers in need of a car in Miami can rent one for about $24 per day.

  • Where are the least popular layover locations for Philadelphia to San Juan flights?

    Of the flights from Philadelphia to San Juan that have layovers, the fewest flights stop in Jacksonville. Fort Lauderdale sees the next fewest layovers on Philadelphia to San Juan flights.

  • Can I find deals for flights from Philadelphia to San Juan that include hotel bookings?

    Yes. In addition to deals on Philadelphia to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to San Juan.

  • Can I find deals for business class flights from Philadelphia to San Juan?

    Yes. Cheapflights offers flight deals from Philadelphia to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Philadelphia to San Juan (average of $254). Flying from Philadelphia to San Juan in December is currently the most expensive (average of $336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Philadelphia to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
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Top 8 airlines flying from Philadelphia to San Juan

Discover the top 8 airlines that operate flights from Philadelphia to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$99Average$232FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$128Average$230FlexibilityNo cancel feeOn-time65%
FrontierCheapest$138Average$318FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$241Average$398FlexibilityNo cancel feeOn-time62%
DeltaCheapest$254Average$335FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$456FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$338Average$490FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$389Average$479FlexibilityNo cancel feeOn-time63%

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