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Cheap flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport from £94

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJU
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Philadelphia to San Juan Luis Munoz Marin Intl are usually found in October or May, booked 13 days in advance, depart on a Tuesday or Monday and return on a Thursday

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Cheapest flights from Philadelphia to Luis Munoz Marin Intl
Explore the most affordable flight options available from Philadelphia to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2025.

Mon 24/1120:08PHL - SJU
Nonstop3h 47mMultiple Airlines
Wed 3/1216:48SJU - PHL
Nonstop4h 11mMultiple Airlines
Deal found 2/11£166
Mon 24/1106:40PHL - SJU
Nonstop3h 47mFrontier
Tue 2/1201:59SJU - PHL
Nonstop4h 05mFrontier
Deal found 2/11£173
Wed 10/1210:15PHL - SJU
2 stops11h 07mUnited Airlines
Fri 12/1202:05SJU - PHL
2 stops16h 34mUnited Airlines
Deal found 2/11£188
Tue 9/1207:00PHL - SJU
1 stop10h 13mJetBlue
Thu 29/106:00SJU - PHL
1 stop6h 25mJetBlue
Deal found 2/11£201
Tue 16/1212:30PHL - SJU
1 stop6h 33mJetBlue
Thu 15/117:25SJU - PHL
1 stop7h 09mJetBlue
Deal found 3/11£201
Sat 6/1210:15PHL - SJU
2 stops13h 21mUnited Airlines
Wed 10/1208:30SJU - PHL
2 stops13h 40mUnited Airlines
Deal found 3/11£203
Tue 9/1210:15PHL - SJU
2 stops11h 07mUnited Airlines
Tue 16/1208:30SJU - PHL
1 stop6h 38mUnited Airlines
Deal found 3/11£205
Fri 5/1212:30PHL - SJU
1 stop8h 39mJetBlue
Sat 6/1206:01SJU - PHL
1 stop7h 09mJetBlue
Deal found 2/11£208
Mon 17/1112:00PHL - SJU
1 stop9h 04mJetBlue
Sat 22/1105:15SJU - PHL
1 stop6h 30mJetBlue
Deal found 3/11£210
Tue 9/1210:24PHL - SJU
1 stop6h 33mJetBlue
Tue 23/1217:23SJU - PHL
1 stop6h 26mJetBlue
Deal found 3/11£212

Cheap flight deals from Philadelphia to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Luis Munoz Marin Intl (SJU). 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 3 November 2025.

Round-trip from

£166

One-way from

£94

Popular in

December

Cheapest in

October

Average price

£217
Spirit Airlines
  • Spirit Airlines
  • 24/11-3/12
  • Nonstop
  • 7h 58m total
  • Philadelphia to San Juan
Search Deals
JetBlue
  • JetBlue
  • 15/12
  • 1 total stop
  • 8h 39m total
  • Philadelphia to San Juan
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Philadelphia to Luis Munoz Marin Intl 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 858,174 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Philadelphia

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sat 6/12

10:15-00:36

2 stops13h 21m

San Juan Luis Munoz Marin Intl

Wed 10/12

08:30-21:10

2 stops13h 40m

£203

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 9/2

08:40-18:02

1 stop8h 22m

San Juan Luis Munoz Marin Intl

Sat 14/2

13:00-22:45

1 stop10h 45m

£228

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 9/2

08:40-18:02

1 stop8h 22m

San Juan Luis Munoz Marin Intl

Sun 15/2

06:10-14:07

1 stop8h 57m

£276

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 8/2

08:40-18:02

1 stop8h 22m

San Juan Luis Munoz Marin Intl

Sun 15/2

06:10-14:07

1 stop8h 57m

£276

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 23/2

06:32-15:40

1 stop8h 08m

San Juan Luis Munoz Marin Intl

Wed 25/2

02:05-17:14

2 stops16h 09m

£284

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 24/2

08:02-22:22

2 stops13h 20m

San Juan Luis Munoz Marin Intl

Thu 26/2

02:05-14:24

2 stops13h 19m

£284

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 24/2

10:06-21:00

1 stop9h 54m

San Juan Luis Munoz Marin Intl

Fri 27/2

02:05-14:24

2 stops13h 19m

£284

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 30/1

13:10-00:36

2 stops10h 26m

San Juan Luis Munoz Marin Intl

Mon 2/2

02:05-14:31

2 stops13h 26m

£286

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sat 17/1

12:40-00:10

2 stops10h 30m

San Juan Luis Munoz Marin Intl

Tue 27/1

06:00-17:25

2 stops12h 25m

£288

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 11/2

08:05-21:26

1 stop12h 21m

San Juan Luis Munoz Marin Intl

Tue 17/2

02:05-14:24

2 stops13h 19m

£293

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 20 results
1
2

Best time to book a flight from Philadelphia to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Philadelphia with our price prediction graph.
Estimated return 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 Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a return flight from Philadelphia to Luis Munoz Marin Intl. Price data was last updated on 31 October 2025.

The best time to book flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport is 13 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of £60). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of £105). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 November 2025.

When flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated 3 November 2025.
Read through reviews of airlines operating flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,038 reviews
Check prices

Crew

8.0

Food

6.4

Overall

7.2

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,038 reviews
American Airlines
7.2
Good
11,038 reviews
Check prices

Crew

8.0

Food

6.4

Overall

7.2

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl?

    If you book a flight to San Juan Luis Munoz Marin Intl 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 Luis Munoz Marin Intl per day from 1 airline.

  • How long is the flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport?

    Airlines like United Airlines, Delta, and Southwest fly from Philadelphia to San Juan Luis Munoz Marin Intl Airport in about 6h 15m. The time it takes to get you to your destination can typically vary by up to 7h 06m. The distance from Philadelphia to San Juan Luis Munoz Marin Intl Airport is about 1579 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Philadelphia to San Juan Luis Munoz Marin Intl Airport round-trip?

    Our cheapest airline available from Philadelphia to San Juan Luis Munoz Marin Intl Airport is American Airlines. Our recent data shows that you can find tickets from as low as £186 on this airline. American Airlines is priced at 12% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Philadelphia to San Juan Luis Munoz Marin Intl Airport?

    Before booking your flight to San Juan Luis Munoz Marin Intl Airport from Philadelphia, check out the most reliable airlines to get you to your destination on time: Spirit Airlines (91%), Frontier (76%), Qatar Airways( 35%).

  • Can I find deals for flights from Philadelphia to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Luis Munoz Marin Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Philadelphia to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Philadelphia to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of £60). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of £105). 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

Travelling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Bayamón

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Alternative routes for Philadelphia to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Luis Munoz Marin Intl flights

Top airline flying from Philadelphia to Luis Munoz Marin Intl

Discover the top airline that operate flights from Philadelphia to Luis Munoz Marin Intl. 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 858,174 searches. Data last updated 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£186Average£187FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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How does Cheapflights help users find flights from Philadelphia to Luis Munoz Marin Intl?

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Can Cheapflights find flights from Philadelphia to Luis Munoz Marin Intl with no change fees?

Yes, we can. To see specific flights from Philadelphia to Luis Munoz Marin Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Philadelphia to Luis Munoz Marin Intl become cheaper?

Not ready to book yet? You can track prices for flights from Philadelphia to Luis Munoz Marin Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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