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Cheap flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport from £104

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJU
5 May — 12 May1
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 30 April 2025.

Round-trip from

£201

One-way from

£104

Popular in

December

Cheapest in

October

Average price

£208
United Airlines
  • United Airlines
  • 13/5-15/5
  • 3 total stops
  • 22h 39m total
  • Philadelphia to San Juan
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Southwest
  • Southwest
  • 10/5
  • 1 total stop
  • 9h 00m total
  • Philadelphia to San Juan
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 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 30 April 2025.

Sat 3/506:15PHL - SJU
2 stops14h 23mUnited Airlines
Tue 6/507:45SJU - PHL
1 stop9h 55mUnited Airlines
Deal found 29/4£201
Wed 11/610:42PHL - SJU
1 stop6h 48mJetBlue
Sat 14/608:25SJU - PHL
1 stop10h 15mJetBlue
Deal found 29/4£224
Mon 14/706:00PHL - SJU
1 stop7h 20mDelta
Thu 14/814:39SJU - PHL
1 stop9h 48mDelta
Deal found 29/4£244
Mon 11/817:00PHL - SJU
1 stop6h 50mSouthwest
Fri 15/811:10SJU - PHL
2 stops11h 00mSouthwest
Deal found 29/4£289

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 30 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

Sat 3/5

10:44-23:54

2 stops13h 10m

San Juan Luis Munoz Marin Intl

Sat 10/5

07:25-21:23

2 stops13h 58m

£201

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 11/7

14:19-22:23

1 stop8h 04m

San Juan Luis Munoz Marin Intl

Sat 26/7

07:30-17:21

1 stop9h 51m

£223

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 11/6

10:42-17:30

1 stop6h 48m

San Juan Luis Munoz Marin Intl

Sat 14/6

08:25-18:40

1 stop10h 15m

£224

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 11/5

18:35-00:40

1 stop6h 05m

San Juan Luis Munoz Marin Intl

Wed 14/5

05:20-17:45

2 stops12h 25m

£296

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sat 10/5

05:45-14:45

1 stop9h 00m

£104

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 23/7

18:35-01:31

1 stop6h 56m

£112

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 13/7

07:56-21:24

2 stops13h 28m

£190

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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 25 April 2025.

The best time to book flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport is 58 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 30 April 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 27% 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 30 April 2025.

The most flights from PHL to SJU are scheduled on a Monday (6 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 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 30 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
4,295 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very Good
4,295 reviews
Southwest
8.0
Very Good
4,295 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very Good
7,934 reviews
Southwest
8.0
Very Good
4,295 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very Good
4,295 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very Good
4,295 reviews
Check prices

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 3 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 United Airlines. Our recent data shows that you can find tickets from as low as £201 on this airline. Additional options worth looking into are JetBlue and Delta, starting at £224 and £281 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 £104. Users have also found prices from £112 and £190 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 (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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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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