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San Juan

$68+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJU
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to San Juan are usually found in October or May, booked 13 days in advance, depart on a Monday or Wednesday and return on a Thursday

Cheap 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 February 3, 2026.

This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/274:17 pm
PHL
-
SJU
Nonstop3h 50m
Frontier
Wed 5/61:25 pm
SJU
-
PHL
Nonstop4h 09m
Frontier
Deal found 2/2$140
This Priceline deal was found by Cheapflights users on 1/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:59 pm
PHL
-
SJU
Nonstop3h 45m
Spirit Airlines
Fri 8/281:39 am
SJU
-
PHL
Nonstop4h 08m
Spirit Airlines
Deal found 1/31$141
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Fri 4/108:52 pm
PHL
-
SJU
Nonstop3h 42m
Multiple Airlines
Tue 4/211:25 pm
SJU
-
PHL
Nonstop4h 09m
Multiple Airlines
Deal found 2/2$142
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/178:39 pm
PHL
-
SJU
Nonstop3h 45m
Frontier
Tue 2/173:53 am
SJU
-
PHL
1 stop11h 47m
Frontier
Deal found 2/2$143
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 2/288:00 pm
PHL
-
SJU
1 stop29h 25m
Frontier
Thu 3/56:00 am
SJU
-
PHL
Nonstop4h 12m
Frontier
Deal found 2/2$144
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:44 pm
PHL
-
SJU
Nonstop3h 45m
Frontier
Fri 3/271:59 am
SJU
-
PHL
Nonstop4h 12m
Frontier
Deal found 2/2$145
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Mon 2/168:52 pm
PHL
-
SJU
Nonstop3h 45m
Spirit Airlines
Thu 2/194:36 pm
SJU
-
PHL
1 stop8h 14m
Spirit Airlines
Deal found 2/2$146
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Wed 3/258:52 pm
PHL
-
SJU
Nonstop3h 42m
Multiple Airlines
Mon 3/301:59 am
SJU
-
PHL
Nonstop4h 12m
Multiple Airlines
Deal found 2/1$147
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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.
Thu 2/198:52 pm
PHL
-
SJU
Nonstop3h 45m
Spirit Airlines
Fri 2/272:59 am
SJU
-
PHL
Nonstop4h 12m
Spirit Airlines
Deal found 2/2$148
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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.
Mon 3/29:39 am
PHL
-
SJU
1 stop8h 19m
Spirit Airlines
Fri 3/62:59 am
SJU
-
PHL
Nonstop4h 12m
Spirit Airlines
Deal found 2/1$149
This Frontier deal was found by Cheapflights users on 2/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:39 pm
PHL
-
SJU
Nonstop3h 50m
Frontier
Fri 5/151:59 am
SJU
-
PHL
Nonstop4h 09m
Frontier
Deal found 2/1$150
This Travelocity deal was found by Cheapflights users on 2/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:46 pm
PHL
-
SJU
1 stop13h 31m
Spirit Airlines
Thu 2/264:36 pm
SJU
-
PHL
1 stop8h 14m
Spirit Airlines
Deal found 2/1$151

Find 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 February 3, 2026.

Round-trip from

$140
(Cheapflightsfares)

One-way from

$68
(Expedia)

Popular in

December

Cheapest in

October

Average price

$250
From Philadelphia to San Juan
Search Deals
One-way flight from Philadelphia to San Juan
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 February 3, 2026.
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

Sun 2/22

8:06 am-3:31 pm

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Sat 2/28

7:05 am-6:11 pm

1 stop12h 06m

$168

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 5/17

3:08 pm-6:48 pm

Nonstop3h 40m

San Juan Luis Munoz Marin Intl

Mon 5/25

7:00 am-4:36 pm

1 stop9h 36m

$299

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 2/24

8:02 am-10:22 pm

2 stops13h 20m

San Juan Luis Munoz Marin Intl

Thu 2/26

2:05 am-2:19 pm

2 stops13h 14m

$312

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 2/17

5:31 am-2:32 pm

1 stop8h 01m

San Juan Luis Munoz Marin Intl

Fri 2/20

6:15 am-3:50 pm

1 stop10h 35m

$312

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 2/23

6:05 am-2:00 pm

1 stop6h 55m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:42 pm-12:24 am

1 stop6h 42m

$312

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 2/22

6:55 am-5:27 pm

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:42 pm-12:24 am

1 stop6h 42m

$312

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 2/22

6:55 am-5:27 pm

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:15 am-1:22 pm

1 stop8h 07m

$312

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 2/24

5:31 am-5:27 pm

1 stop10h 56m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:42 pm-12:24 am

1 stop6h 42m

$312

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 2/25

12:16 pm-11:58 pm

1 stop10h 42m

San Juan Luis Munoz Marin Intl

Tue 3/3

6:37 pm-12:24 am

1 stop6h 47m

$312

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 2/15

5:00 pm-6:11 am

2 stops12h 11m

San Juan Luis Munoz Marin Intl

Wed 2/18

2:05 am-2:19 pm

2 stops13h 14m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 23 results
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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 January 30, 2026.

Booking 13 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, March is the cheapest month in which you can book a flight from Philadelphia to San Juan (average of $62). Flying from Philadelphia to San Juan in August is currently the most expensive (average of $138). 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 February 3, 2026.

It’s typically best to fly out from Philadelphia to San Juan in the evening. Doing so could potentially save you 11% 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 January 31, 2026.

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

Weekly flight availability from Philadelphia to San Juan

Explore weekly flight availability from Philadelphia to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 3, 2026.

The most flights from PHL to PR1 are scheduled on a Friday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Philadelphia to San Juan?

How often are flights from Philadelphia to San Juan delayed?

About 30% of weekly flights between Philadelphia and San Juan have experienced delays in the past year, with the average delay time being 151 minutes.

What is the most punctual flight time for Philadelphia to San Juan flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Philadelphia to San Juan flights?

Over the last year, Spirit Airlines have had the lowest number of delays on this route, with just 23% of flights being delayed.

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 February 3, 2026.
Read through reviews of airlines operating flights from Philadelphia to San Juan, such as Delta, American Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,138 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,216 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,893 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,406 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.7
Fair
3,051 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 6 flights from Philadelphia to San Juan per day from 7 different airlines.

  • How long is the flight from Philadelphia to San Juan?

    Spirit Airlines, United Airlines, and Delta can get you from Philadelphia to San Juan in just under 3h 40m. Your travel time can differ by up to 9h 40m. Airlines will cover a distance of 1579 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $82. Other airlines that can offer you cheap pricing are Spirit Airlines, from $127, and Frontier, from $137. You may be able to fly from Philadelphia to San Juan for 71% 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 $65 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $73 and Southwest from $92 one-way.

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

    Consider Spirit Airlines (79%), American Airlines (61%) or Qatar Airways (61%) 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 $519 for a flight from Philadelphia to San Juan. The cheapest flight overall is $76 while the most popular route, (Philadelphia - San Juan Luis Munoz Marin Intl) is currently priced at $109.

  • 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.

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

    Universal Orlando Resort, Walt Disney World Resort, and International Drive are currently the most popular points of interest in Orlando at the moment. Universal Orlando Resort, Walt Disney World Resort, and International Drive can be accessed by traveling approximately 10.2 mi, 16.2 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.

  • 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 Miami.

  • 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, March is the cheapest month in which you can book a flight from Philadelphia to San Juan (average of $62). Flying from Philadelphia to San Juan in August is currently the most expensive (average of $138). 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.
John F Kennedy Intl to Luis Munoz Marin Intl flights
Newark to Luis Munoz Marin Intl flights
LaGuardia to Luis Munoz Marin Intl flights
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John F Kennedy Intl to Aguadilla flights
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John F Kennedy Intl to Ponce flights
Newark to Ponce flights
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LaGuardia to Ponce flights
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John F Kennedy Intl to Vieques flights
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John F Kennedy Intl to Mayagüez flights
Newark to Vieques flights
Scranton to Luis Munoz Marin Intl flights
Newark to Mayagüez flights
Dulles Intl to Ponce flights
LaGuardia to Vieques flights
Dulles Intl to Vieques flights
John F Kennedy Intl to Culebra flights
Reagan-National to Vieques flights
Dulles Intl to Culebra flights
Newark to Culebra flights
Philadelphia to Vieques flights
Pittsburgh to Aguadilla flights
Reagan-National to Ponce flights
Reagan-National to Culebra flights
Reagan-National to Mayagüez flights
Philadelphia to Culebra flights
Dulles Intl to Aguadilla flights
Philadelphia to Mayagüez flights
Erie to Luis Munoz Marin Intl flights
Pittsburgh to Culebra flights
Harrisburg to Aguadilla flights
Pittsburgh to Vieques flights
State College to Aguadilla flights

Top 7 airlines flying from Philadelphia to San Juan

Discover the top 7 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$82Average$153FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$127Average$269FlexibilityNo cancel feeOn-time65%
FrontierCheapest$137Average$296FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$174Average$321FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$207Average$460FlexibilityNo cancel feeOn-time63%
DeltaCheapest$215Average$370FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$260Average$482FlexibilityNo cancel feeOn-time71%

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