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Cheap flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport from £77

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJU
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£152

One-way from

£77

Popular in

December

Cheapest in

October

Average price

£219
Southwest
  • Southwest
  • 25/10-29/10
  • 2 total stops
  • 14h 05m total
  • Philadelphia to San Juan
Southwest
  • Southwest
  • 14/10
  • 1 total stop
  • 7h 50m total
  • Philadelphia to San Juan
Highest demand for flights based on searches. 7% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Philadelphia to Luis Munoz Marin Intl

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 11 July 2025.

Sat 25/1016:25PHL - SJU
1 stop7h 00mSouthwest
Sun 2/1105:40SJU - PHL
1 stop6h 45mSouthwest
Deal found 10/7£152
Tue 23/908:00PHL - SJU
1 stop8h 31mDelta
Sat 27/917:41SJU - PHL
1 stop7h 13mDelta
Deal found 10/7£158
Mon 3/1110:05PHL - SJU
1 stop9h 55mUnited Airlines
Sat 8/1108:10SJU - PHL
1 stop10h 19mUnited Airlines
Deal found 11/7£171
Thu 16/1007:00PHL - SJU
1 stop9h 05mJetBlue
Sat 18/1000:59SJU - PHL
1 stop8h 23mJetBlue
Deal found 10/7£174
Wed 6/820:05PHL - SJU
Nonstop3h 54mFrontier
Fri 15/800:59SJU - PHL
Nonstop4h 01mFrontier
Deal found 9/7£197

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 11 July 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 25/10

16:25-23:25

1 stop7h 00m

San Juan Luis Munoz Marin Intl

Sun 2/11

05:40-11:25

1 stop6h 45m

£152

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 23/9

08:00-16:31

1 stop8h 31m

San Juan Luis Munoz Marin Intl

Sat 27/9

17:41-00:54

1 stop7h 13m

£158

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 3/11

10:05-21:00

1 stop9h 55m

San Juan Luis Munoz Marin Intl

Sat 8/11

08:10-17:29

1 stop10h 19m

£171

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Thu 16/10

07:00-16:05

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Sat 18/10

00:59-09:22

1 stop8h 23m

£174

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 6/8

20:05-23:59

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Fri 15/8

00:59-05:00

Nonstop4h 01m

£197

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 14/10

12:55-23:50

1 stop10h 55m

£77

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 11/8

17:40-00:49

1 stop7h 09m

£87

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 10/12

06:10-00:36

2 stops17h 26m

£177

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Thu 9/10

14:40-22:21

1 stop7h 41m

£201

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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 27 June 2025.

The best time to book flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport is 28 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, April is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of £631). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of £1,027). 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 11 July 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 28% on flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport by exploring options for tickets in the morning.

Weekly flight availability from Philadelphia to San Juan Luis Munoz Marin Intl Airport

Explore weekly flight availability from Philadelphia to Luis Munoz Marin Intl. 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 11 July 2025.

The most flights from PHL to SJU are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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 11 July 2025.
Read through reviews of airlines operating flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport, such as Southwest, Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
8.0
Very Good

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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

  • What are the cheapest airlines flying 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 Southwest. Our recent data shows that you can find tickets from as low as £152 on this airline. Additional options worth looking into are Delta and United Airlines, starting at £158 and £171 round-trip. Southwest is priced at 23% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Philadelphia to San Juan Luis Munoz Marin Intl Airport one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as £77. Users have also found prices from £87 and £177 on JetBlue and United Airlines, respectively.

  • 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 (65%), British Airways (64%), Qatar Airways( 62%).

  • 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, April is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of £631). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of £1,027). 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 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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