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$103+ Cheap flights from Luis Munoz Marin Intl (SJU) to Philadelphia (PHL)

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — PHL
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Find cheap flights from Luis Munoz Marin Intl to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Philadelphia are usually found in February or April, booked 90 days in advance, depart on a Friday or Thursday and return on a Monday

Cheap flight deals from Luis Munoz Marin Intl to Philadelphia

Cheapest flights from Luis Munoz Marin Intl to Philadelphia
Explore the most affordable flight options available from Luis Munoz Marin Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.

This Orbitz deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:59 am
SJU
-
PHL
Nonstop4h 05m
Frontier
Mon 9/287:20 am
PHL
-
SJU
Nonstop3h 44m
Frontier
Deal found 6/4$183
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
SJU
-
PHL
1 stop11h 07m
Frontier
Wed 8/1210:59 pm
PHL
-
SJU
Nonstop4h 00m
Frontier
Deal found 6/4$202
This Cheapflightsfares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:15 am
SJU
-
PHL
Nonstop4h 03m
Frontier
Mon 9/1411:23 am
PHL
-
SJU
Nonstop3h 56m
Frontier
Deal found 6/7$205
This Priceline deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:59 am
SJU
-
PHL
Nonstop4h 05m
Frontier
Mon 9/147:47 pm
PHL
-
SJU
Nonstop4h 03m
Frontier
Deal found 6/4$206
This Cheapflightsfares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:45 pm
SJU
-
PHL
Nonstop4h 07m
Frontier
Sun 9/1311:23 am
PHL
-
SJU
Nonstop3h 56m
Frontier
Deal found 6/4$214
This Expedia deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:59 am
SJU
-
PHL
Nonstop4h 05m
Frontier
Sun 9/137:20 am
PHL
-
SJU
Nonstop3h 44m
Frontier
Deal found 6/4$216
This Cheapflightsfares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/271:59 am
SJU
-
PHL
Nonstop4h 05m
Frontier
Mon 10/57:47 pm
PHL
-
SJU
Nonstop4h 03m
Frontier
Deal found 6/4$218
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
SJU
-
PHL
1 stop10h 05m
Frontier
Wed 7/88:03 pm
PHL
-
SJU
Nonstop3h 55m
Frontier
Deal found 6/4$224
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:59 am
SJU
-
PHL
Nonstop4h 05m
Frontier
Sat 9/1211:23 am
PHL
-
SJU
Nonstop3h 56m
Frontier
Deal found 6/7$229

Find flight deals from Luis Munoz Marin Intl to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Philadelphia (PHL). 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 June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$202
(Frontier)

One-way from

$103
(Frontier)

Popular in

June

Cheapest in

February

Average price

$317

Good round-trip deal

$325 or less

Good one-way deal

$176 or less
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Philadelphia flights.
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From San Juan Luis Munoz Marin Intl to Philadelphia
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One-way flight from San Juan Luis Munoz Marin Intl to Philadelphia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from San Juan Luis Munoz Marin Intl to Philadelphia.
Search Deals
Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Philadelphia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Philadelphia 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 2,558,603 searches. Data last updated June 9, 2026.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Fri 9/18

1:00 am-2:40 pm

2 stops13h 40m

Philadelphia

Tue 9/29

6:10 am-2:44 pm

1 stop8h 34m

$368

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Fri 9/11

6:30 am-5:25 pm

2 stops10h 55m

Philadelphia

Mon 9/14

12:45 pm-10:15 pm

2 stops9h 30m

$369
Quickest round-trip

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Fri 11/6

5:35 am-12:00 pm

1 stop7h 25m

Philadelphia

Fri 11/13

12:40 pm-10:55 pm

1 stop9h 15m

$376

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Tue 8/4

6:00 am-5:35 pm

2 stops11h 35m

Philadelphia

Mon 8/10

12:45 pm-11:05 pm

2 stops10h 20m

$416

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Tue 8/18

5:15 am-4:00 pm

2 stops10h 45m

Philadelphia

Fri 8/28

2:10 pm-11:50 pm

2 stops9h 40m

$416

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Tue 8/4

6:00 am-5:35 pm

2 stops11h 35m

Philadelphia

Mon 9/7

12:45 pm-11:05 pm

2 stops10h 20m

$458

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Sat 8/8

5:05 am-4:10 pm

2 stops11h 05m

Philadelphia

Mon 8/10

4:40 pm-11:50 pm

1 stop7h 10m

$471

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Wed 9/16

1:00 am-9:43 am

2 stops8h 43m

Philadelphia

Sun 9/20

6:25 am-2:44 pm

1 stop8h 19m

$514

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Tue 7/14

6:00 am-5:00 pm

2 stops11h 00m

Philadelphia

Wed 7/15

1:50 pm-11:50 pm

2 stops10h 00m

$546

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Fri 6/19

6:00 am-5:15 pm

1 stop11h 15m

Philadelphia

Sun 6/28

5:30 am-3:30 pm

2 stops10h 00m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Luis Munoz Marin Intl to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Philadelphia in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Luis Munoz Marin Intl to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Luis Munoz Marin Intl with our price prediction graph.
Estimated round-trip 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 San Juan Luis Munoz Marin Intl Airport to Philadelphia

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia?

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia?

Currently, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia (average of $157). Flying from San Juan Luis Munoz Marin Intl Airport to Philadelphia in June is currently the most expensive (average of $325). 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 SJU to PHL?

Find hourly flight availability from Luis Munoz Marin Intl to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 9, 2026.

It’s optimal to fly from San Juan Luis Munoz Marin Intl Airport to Philadelphia in the evening. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Philadelphia. Price data was last updated on June 8, 2026.

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Philadelphia flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from San Juan Luis Munoz Marin Intl Airport to Philadelphia?

The best insider tips for San Juan Luis Munoz Marin Intl Airport to Philadelphia flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Juan Luis Munoz Marin Intl Airport to Philadelphia trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Brandon Schultz

Brandon Schultz

Expert on SJU

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated June 9, 2026.
Get a feel of what it's like to fly with American Airlines,JetBlue, andFrontier from San Juan Luis Munoz Marin Intl Airport to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,643 reviews

Food

6.4

Boarding

7.5

Overall

7.1

Comfort

7.2

Crew

7.9

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Beatriz,May 2026

HEL - DFW

Very modern and confortable plane. Dinner was delicious. Whole crew were polite and perfect.
American Airlines
7.1
Good
11,643 reviews
American Airlines
7.1
Good
11,643 reviews

Food

6.4

Boarding

7.5

Overall

7.1

Comfort

7.2

Crew

7.9

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Beatriz,May 2026

HEL - DFW

Very modern and confortable plane. Dinner was delicious. Whole crew were polite and perfect.
JetBlue
7.1
Good
2,980 reviews
American Airlines
7.1
Good
11,643 reviews

Food

6.4

Boarding

7.5

Overall

7.1

Comfort

7.2

Crew

7.9

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Beatriz,May 2026

HEL - DFW

Very modern and confortable plane. Dinner was delicious. Whole crew were polite and perfect.
Frontier
5.6
Fair
2,903 reviews
American Airlines
7.1
Good
11,643 reviews

Food

6.4

Boarding

7.5

Overall

7.1

Comfort

7.2

Crew

7.9

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Beatriz,May 2026

HEL - DFW

Very modern and confortable plane. Dinner was delicious. Whole crew were polite and perfect.

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to Philadelphia. 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 into for flights to Philadelphia from San Juan Luis Munoz Marin Intl?

    For a flight from San Juan Luis Munoz Marin Intl to Philadelphia, you will be flying into Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city. Philadelphia is the only Philadelphia airport and it handles 3 inbound flights from San Juan Luis Munoz Marin Intl per day. 3 airlines have flights to Philadelphia from San Juan Luis Munoz Marin Intl on a regular basis.

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

    Departing from San Juan Luis Munoz Marin Intl Airport to Philadelphia will take you 10h 55m. The distance between San Juan Luis Munoz Marin Intl Airport and Philadelphia is about 1579 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to Philadelphia round-trip?

    Our cheapest airline available from San Juan Luis Munoz Marin Intl Airport to Philadelphia is Frontier. Our recent data shows that you can find tickets from as low as $123 on this airline. Additional options worth looking into are JetBlue and American Airlines, starting at $184 and $224 round-trip. Frontier is 49% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $75. However, be on the lookout for offers from JetBlue and Southwest, as they are both options that can get you from San Juan Luis Munoz Marin Intl Airport to Philadelphia for a low price.

  • What are the most reliable airlines from San Juan Luis Munoz Marin Intl Airport to Philadelphia?

    Before booking your flight to Philadelphia from San Juan Luis Munoz Marin Intl Airport, check out the most reliable airlines to get you to your destination on time: JetBlue (93%), British Airways (88%), American Airlines( 83%).

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

    Looking for the cheapest flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia? While on average our users pay $414, our data indicates the cheapest price to be $113. The most popular route (San Juan Luis Munoz Marin Intl - Philadelphia), is priced around $278.

  • Can I find deals for flights from Luis Munoz Marin Intl to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Luis Munoz Marin Intl to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luis Munoz Marin Intl to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luis Munoz Marin Intl to Philadelphia.

  • Can I find deals for business class flights from Luis Munoz Marin Intl to Philadelphia?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Philadelphia 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 San Juan Luis Munoz Marin Intl Airport to Philadelphia?

    Currently, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia (average of $157). Flying from San Juan Luis Munoz Marin Intl Airport to Philadelphia in June is currently the most expensive (average of $325). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Reading
Camden
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Plymouth Meeting
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

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Alternative routes for Luis Munoz Marin Intl to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to John F Kennedy Intl flights
Luis Munoz Marin Intl to Newark flights

Top 3 airlines flying from Luis Munoz Marin Intl to Philadelphia

Discover the top 3 airlines that operate flights from Luis Munoz Marin Intl to Philadelphia. 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 2,558,603 searches. Data last updated June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$123Average$253FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$174Average$370FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$198Average$412FlexibilityNo cancel feeOn-time71%

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