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

PHL — SJU
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Popular in

December

Cheapest in

October

Average price

C$ 338
Highest demand for flights based on searches. 7% potential increase in price (C$ 40 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 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

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 round-trip flight from Philadelphia to Luis Munoz Marin Intl. Price data was last updated on 29 August 2025.

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 28 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, April is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of C$ 254). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of C$ 580). 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 11 September 2025.

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 at noon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the morning.

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 2 outbound flights to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 0 airlines have 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 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 Spirit Airlines (66%), Frontier (48%) and Qatar Airways (46%).

  • 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, April is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of C$ 254). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of C$ 580). 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
Luquillo

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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.
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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?

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