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Cheap flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport from £91

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJU
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

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 9 January 2026.

Round-trip from

£114

One-way from

£91

Popular in

December

Cheapest in

October

Average price

£186
Spirit Airlines
  • Spirit Airlines
  • 5/2-8/2
  • Nonstop
  • 7h 57m total
  • Philadelphia to San Juan
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JetBlue
  • JetBlue
  • 13/5
  • Nonstop
  • 3h 44m total
  • Philadelphia to San Juan
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£25 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 January 2026.

Thu 5/220:56PHL - SJU
Nonstop3h 45mSpirit Airlines
Sun 8/202:59SJU - PHL
Nonstop4h 12mSpirit Airlines
Deal found 8/1£114
Thu 22/109:52PHL - SJU
1 stop8h 06mSpirit Airlines
Sun 25/102:59SJU - PHL
Nonstop4h 12mSpirit Airlines
Deal found 8/1£147
Fri 20/220:39PHL - SJU
Nonstop3h 45mFrontier
Sun 22/202:54SJU - PHL
Nonstop4h 12mFrontier
Deal found 8/1£163
Mon 21/912:00PHL - SJU
Nonstop3h 50mJetBlue
Thu 24/907:00SJU - PHL
Nonstop4h 05mJetBlue
Deal found 7/1£167
Tue 14/412:00PHL - SJU
Nonstop3h 44mJetBlue
Tue 21/407:00SJU - PHL
Nonstop4h 09mJetBlue
Deal found 7/1£176
Tue 14/412:00PHL - SJU
Nonstop3h 44mJetBlue
Wed 22/423:25SJU - PHL
1 stop8h 10mJetBlue
Deal found 7/1£178
Sat 25/412:00PHL - SJU
Nonstop3h 44mJetBlue
Fri 1/507:00SJU - PHL
Nonstop4h 09mJetBlue
Deal found 6/1£185
Tue 14/418:33PHL - SJU
1 stop8h 06mJetBlue
Fri 17/407:00SJU - PHL
Nonstop4h 09mJetBlue
Deal found 7/1£187
Fri 13/214:52PHL - SJU
1 stop7h 01mJetBlue
Sat 21/206:10SJU - PHL
1 stop8h 47mJetBlue
Deal found 8/1£188
Tue 14/412:00PHL - SJU
Nonstop3h 44mJetBlue
Thu 16/407:00SJU - PHL
Nonstop4h 09mJetBlue
Deal found 7/1£191

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 January 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

Philadelphia

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 3/5

12:00-15:44

Nonstop3h 44m

San Juan Luis Munoz Marin Intl

Wed 20/5

07:00-11:09

Nonstop4h 09m

£167

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 29/4

12:00-15:44

Nonstop3h 44m

San Juan Luis Munoz Marin Intl

Thu 14/5

07:00-11:09

Nonstop4h 09m

£176

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 5/5

12:00-15:44

Nonstop3h 44m

San Juan Luis Munoz Marin Intl

Tue 19/5

07:00-11:09

Nonstop4h 09m

£176

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 29/4

12:00-15:44

Nonstop3h 44m

San Juan Luis Munoz Marin Intl

Wed 13/5

07:00-11:09

Nonstop4h 09m

£185

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 1/5

08:25-16:47

1 stop8h 22m

San Juan Luis Munoz Marin Intl

Mon 4/5

23:25-07:35

1 stop8h 10m

£188

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 13/2

14:52-22:53

1 stop7h 01m

San Juan Luis Munoz Marin Intl

Sat 21/2

06:10-13:57

1 stop8h 47m

£188

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 13/2

14:52-01:50

1 stop9h 58m

San Juan Luis Munoz Marin Intl

Wed 18/2

06:10-13:57

1 stop8h 47m

£188

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sat 11/4

12:00-15:50

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Thu 16/4

07:00-11:09

Nonstop4h 09m

£208

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 15/3

18:31-01:13

1 stop6h 42m

San Juan Luis Munoz Marin Intl

Wed 15/4

07:00-11:09

Nonstop4h 09m

£234

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 20/2

13:33-22:51

1 stop8h 18m

San Juan Luis Munoz Marin Intl

Wed 25/2

06:10-14:07

1 stop8h 57m

£269

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 22 results
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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?

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 2 January 2026.

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, January is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of £53). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of £103). 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 January 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.

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 9 January 2026.
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
11,097 reviews
Check prices

Crew

8.0

Comfort

7.2

Boarding

7.5

Food

6.4

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.
American Airlines
7.2
Good
11,097 reviews
American Airlines
7.2
Good
11,097 reviews
Check prices

Crew

8.0

Comfort

7.2

Boarding

7.5

Food

6.4

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.

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 1 airline.

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

    Airlines like JetBlue fly from Philadelphia to San Juan Luis Munoz Marin Intl Airport in about 3h 50m. The time it takes to get you to your destination is usually consistent. The distance from Philadelphia to San Juan Luis Munoz Marin Intl Airport is about 1579 mi. All flights are typically direct.

  • 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 £182 on this airline. American Airlines is priced at 13% 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 (86%), Qatar Airways (63%), British 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, January is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of £53). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of £103). 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 9 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£182Average£183FlexibilityNo 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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