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Cheap flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport from £106

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJU
23 Apr — 30 Apr1
1 adult

Cheapflights Tip: The best prices from Philadelphia to San Juan Luis Munoz Marin Intl are usually found in October or September, booked 58 days in advance, depart on a Monday or Tuesday and return on a Friday

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 18 April 2025.

Round-trip from

£211

One-way from

£106

Popular in

December

Cheapest in

October

Average price

£210
Delta
  • Delta
  • 6/5-9/5
  • 2 total stops
  • 17h 54m total
  • Philadelphia to San Juan
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Southwest
  • Southwest
  • 4/5
  • 1 total stop
  • 11h 05m total
  • Philadelphia to San Juan
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£15 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 18 April 2025.

Tue 6/506:00PHL - SJU
1 stop7h 10mDelta
Fri 9/507:30SJU - PHL
1 stop10h 44mDelta
Deal found 17/4£211
Tue 20/517:30PHL - SJU
1 stop6h 27mJetBlue
Wed 28/506:00SJU - PHL
1 stop10h 38mJetBlue
Deal found 17/4£227
Tue 29/406:15PHL - SJU
2 stops14h 23mUnited Airlines
Fri 2/501:05SJU - PHL
2 stops13h 21mUnited Airlines
Deal found 16/4£230
Sun 11/518:35PHL - SJU
1 stop6h 05mSouthwest
Sat 24/505:25SJU - PHL
2 stops12h 15mSouthwest
Deal found 17/4£254
Tue 15/709:00PHL - SJU
1 stop16h 11mSpirit Airlines
Fri 18/702:09SJU - PHL
Nonstop4h 08mSpirit Airlines
Deal found 18/4£259

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 18 April 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

Tue 6/5

10:06-23:57

2 stops13h 51m

San Juan Luis Munoz Marin Intl

Fri 9/5

15:56-00:44

1 stop8h 48m

£211

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 28/4

16:49-23:15

1 stop6h 26m

San Juan Luis Munoz Marin Intl

Thu 1/5

17:11-00:49

1 stop7h 38m

£218

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 20/5

17:30-23:57

1 stop6h 27m

San Juan Luis Munoz Marin Intl

Wed 28/5

06:00-16:38

1 stop10h 38m

£227

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 11/5

18:35-00:40

1 stop6h 05m

San Juan Luis Munoz Marin Intl

Sat 24/5

05:25-17:40

2 stops12h 15m

£254

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 15/7

09:00-01:11

1 stop16h 11m

San Juan Luis Munoz Marin Intl

Fri 18/7

02:09-06:17

Nonstop4h 08m

£259

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 4/5

12:35-23:40

1 stop11h 05m

£106

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 25/5

06:00-15:10

1 stop9h 10m

£113

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 11/5

05:30-11:40

1 stop6h 10m

£176

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 3/6

10:35-23:57

2 stops13h 22m

£210

Flights are sorted by cheapest return flights first.

Deals found on 17/4

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 11 April 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 18 April 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 18 April 2025.

The most flights from PHL to SJU are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 55.0 mm.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

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 18 April 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Philadelphia to San Juan by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very Good
4,280 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.6

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very Good
4,280 reviews
Southwest
8.0
Very Good
4,280 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.6

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very Good
7,917 reviews
Southwest
8.0
Very Good
4,280 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.6

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,667 reviews
Southwest
8.0
Very Good
4,280 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.6

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,928 reviews
Southwest
8.0
Very Good
4,280 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.6

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
7,926 reviews
Southwest
8.0
Very Good
4,280 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.1

Crew

8.6

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • 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 Delta. Our recent data shows that you can find tickets from as low as £211 on this airline. Additional options worth looking into are JetBlue and United Airlines, starting at £227 and £230 round-trip.

  • 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 £106. Users have also found prices from £113 and £176 on JetBlue and Delta, 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 (78%), British Airways (73%), Qatar Airways( 69%).

  • 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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