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Cheap flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport from £126

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJU
8 Jun — 15 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Philadelphia to Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

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 9 May 2026.

Mon 1/611:18
PHL
-
SJU
Nonstop3h 45m
JetBlue
Sat 6/606:20
SJU
-
PHL
Nonstop4h 05m
JetBlue
Deal found 7/5£246
Tue 1/913:55
PHL
-
SJU
1 stop7h 10m
Southwest
Tue 15/905:15
SJU
-
PHL
2 stops10h 45m
Southwest
Deal found 9/5£253
Wed 2/1211:00
PHL
-
SJU
Nonstop3h 50m
JetBlue
Fri 11/1207:00
SJU
-
PHL
Nonstop4h 05m
JetBlue
Deal found 7/5£255
Fri 14/816:40
PHL
-
SJU
1 stop7h 10m
Southwest
Wed 19/806:00
SJU
-
PHL
2 stops11h 35m
Southwest
Deal found 8/5£260
Sun 17/505:17
PHL
-
SJU
1 stop6h 44m
Delta
Wed 20/514:35
SJU
-
PHL
1 stop8h 32m
Delta
Deal found 5/5£262
Sat 14/1111:45
PHL
-
SJU
Nonstop3h 33m
JetBlue
Sat 5/1207:00
SJU
-
PHL
Nonstop4h 05m
JetBlue
Deal found 4/5£264
Mon 10/816:40
PHL
-
SJU
1 stop7h 10m
Southwest
Wed 12/805:15
SJU
-
PHL
2 stops10h 45m
Southwest
Deal found 8/5£268
Tue 19/515:10
PHL
-
SJU
1 stop6h 14m
United Airlines
Wed 20/501:00
SJU
-
PHL
2 stops8h 45m
United Airlines
Deal found 4/5£276
Mon 10/812:45
PHL
-
SJU
2 stops9h 30m
Southwest
Mon 24/806:30
SJU
-
PHL
1 stop8h 55m
Southwest
Deal found 8/5£279
Fri 4/916:40
PHL
-
SJU
1 stop7h 10m
Southwest
Sat 5/905:05
SJU
-
PHL
2 stops11h 05m
Southwest
Deal found 5/5£280
Wed 30/910:45
PHL
-
SJU
2 stops11h 15m
Southwest
Thu 1/1005:00
SJU
-
PHL
2 stops10h 50m
Southwest
Deal found 5/5£282

Find 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 9 May 2026.

Round-trip from

£246

One-way from

£126

Popular in

December

Cheapest in

October

Average price

£204

Good one-way deal

£260 or less
JetBlue
  • JetBlue
  • 2/6-11/6
  • Nonstop
  • 7h 46m total
  • Philadelphia to San Juan
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Southwest
  • Southwest
  • 28/7
  • 2 total stops
  • 10h 10m total
  • Philadelphia to San Juan
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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Price to beat on a one-way flight from Philadelphia to San Juan Luis Munoz Marin Intl.
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 9 May 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Thu 13/8

16:40-23:50

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Thu 20/8

05:00-15:25

1 stop10h 25m

£284
Fastest return journey

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 27/5

15:10-21:24

1 stop6h 14m

San Juan Luis Munoz Marin Intl

Wed 10/6

16:55-23:44

1 stop6h 49m

£359

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 30/10

14:30-00:35

2 stops10h 05m

San Juan Luis Munoz Marin Intl

Sat 7/11

05:40-15:05

2 stops10h 25m

£393

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sat 1/8

07:55-19:05

2 stops11h 10m

San Juan Luis Munoz Marin Intl

Sat 8/8

06:25-16:10

2 stops9h 45m

£418

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Thu 2/7

14:00-00:05

2 stops10h 05m

San Juan Luis Munoz Marin Intl

Sun 12/7

06:05-16:55

2 stops10h 50m

£423

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Thu 30/7

19:58-05:29

1 stop9h 31m

San Juan Luis Munoz Marin Intl

Mon 3/8

01:00-09:45

2 stops8h 45m

£431

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sat 30/5

11:15-23:15

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Sun 7/6

14:00-00:10

2 stops10h 10m

£432

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 2/8

06:20-16:25

2 stops10h 05m

San Juan Luis Munoz Marin Intl

Mon 10/8

06:30-17:25

2 stops10h 55m

£432

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 14/7

12:55-22:00

2 stops9h 05m

San Juan Luis Munoz Marin Intl

Thu 23/7

13:15-00:20

2 stops11h 05m

£432

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 4/8

06:10-12:34

1 stop6h 24m

San Juan Luis Munoz Marin Intl

Tue 11/8

01:00-09:46

2 stops8h 46m

£460

Flights are sorted by cheapest return flights first.

Deals found on 8/5

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

The best time to book flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport is 23 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, October is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of £169). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £313). 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 9 May 2026.

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.

How much does it cost for a return flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport?

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 7 flights from Philadelphia to San Juan Luis Munoz Marin Intl per day from 0 different airlines.

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

    Airlines like Southwest and United Airlines fly from Philadelphia to San Juan Luis Munoz Marin Intl Airport in about 6h 14m. The time it takes to get you to your destination can typically vary by up to 56m. 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 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: American Airlines (77%), JetBlue (76%), British Airways( 73%).

  • What are the cheapest flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport?

    While on average a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport is generally £260, our data shows the cheapest flight currently is £234. When looking at the most popular route, (Philadelphia - San Juan Luis Munoz Marin Intl), you can expect to pay £549 for that flight.

  • 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, October is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of £169). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £313). 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

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

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Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Luis Munoz Marin Intl?

Millions of users choose and trust Cheapflights to book the best flight deals from Philadelphia to Luis Munoz Marin Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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