Cheap flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport
PHL — SJU
25 May — 1 Jun1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Philadelphia to San Juan Luis Munoz Marin Intl are usually found in October or September, booked 59 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Find 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 25 April 2026.
Popular in
December
Cheapest in
October
Average price
C$ 402
Highest demand for flights based on searches. 11% potential increase in price (C$ 69 potential increase over avg. RT price).
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.
PHL-SJU
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 Philadelphia to San Juan Luis Munoz Marin Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
To ensure you get the cheapest price possible for a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of C$ 316). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of C$ 582). 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 25 April 2026.
A simple way to save on the total cost of your ticket is to fly from Philadelphia to San Juan Luis Munoz Marin Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 59% on your trip compared to booking a flight at noon.
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 25 April 2026.
The most flights from PHL to SJU are scheduled on a Friday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How often are flights from Philadelphia to San Juan delayed?
About 32% of weekly flights between Philadelphia and San Juan have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for Philadelphia to San Juan flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Philadelphia to San Juan flights?
Over the past year, Spirit Airlines has had the lowest number of delays on this route, with just 29% of flights being delayed.
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 25 April 2026.
Read through reviews of airlines operating flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport, such as Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delay at the beginning in Philly and then huge delay just sitting on the tarmac after landing, for one hour in Nashville
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?
Philadelphia (PHL) is the airport you will fly out of if you book a flight from Philadelphia to San Juan Luis Munoz Marin Intl. You should not have trouble finding flights to San Juan Luis Munoz Marin Intl from Philadelphia; the airport handles an average of 7 outbound flights to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Philadelphia airport to San Juan Luis Munoz Marin Intl. It is only a 11.2 km journey to Philadelphia (PHL) from Philadelphia’s city centre.
What is the cheapest airline to fly from Philadelphia to San Juan Luis Munoz Marin Intl Airport round-trip?
Currently priced at C$ 219, Frontier will fly you from Philadelphia to San Juan Luis Munoz Marin Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Users have found that Frontier is 45% cheaper than the other options available to this destination.
What are the most reliable airlines from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
The top 3 most reliable airlines when flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport are American Airlines (81%), JetBlue (76%) and Qatar Airways (73%).
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 vacation 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, October is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of C$ 316). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of C$ 582). 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.
Search flights from Philadelphia to Luis Munoz Marin Intl by cabin class
Find flights from Philadelphia to Luis Munoz Marin Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Explore flights to Luis Munoz Marin Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 25 April 2026.
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on 25 April 2026.
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 629,999 searches. Data last updated 25 April 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Philadelphia to Luis Munoz Marin Intl?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Luis Munoz Marin Intl from Philadelphia today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Luis Munoz Marin Intl?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Philadelphia to Luis Munoz Marin Intl for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Philadelphia to Luis Munoz Marin Intl with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Philadelphia to Luis Munoz Marin Intl flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Philadelphia to Luis Munoz Marin Intl become cheaper?
Of course! You can now track prices for flights from Philadelphia to Luis Munoz Marin Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.