166 € Cheap Flights from San Juan Luis Munoz Marin to Philadelphia International

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Flight deals from San Juan Luis Munoz Marin to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from San Juan Luis Munoz Marin Airport to Philadelphia International Airport? If you want to travel next month, return fares start from 258 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Juan Luis Munoz Marin to Philadelphia International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Juan Luis Munoz Marin to Philadelphia International flights are currently cheapest in September.

Direct flights from San Juan Luis Munoz Marin to Philadelphia International

San Juan to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found166 €
Cheapest month to flySeptember
Average flight time4 hrs, 11 mins
Most popular airlineAmerican Airlines
Average flights per week53

Finding cheap flights from San Juan Luis Munoz Marin to Philadelphia International: Frequently asked questions

The best price we found for a return flight from San Juan Luis Munoz Marin to Philadelphia International is 166 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 11 minutes is the average flight time from San Juan Luis Munoz Marin to Philadelphia International.
American Airlines, Frontier Airlines and Qatar Airways fly direct from San Juan Luis Munoz Marin to Philadelphia International.
As of June 2026, there are 53 flights per week flying from San Juan Luis Munoz Marin to Philadelphia International.
The cheapest month to fly from San Juan Luis Munoz Marin to Philadelphia International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Juan Luis Munoz Marin Airport to Philadelphia International Airport on Thursday, 17 September 2026.
Yes – the average flight time is 4 hours and 11 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Philadelphia International.

Travelling from Luis Munoz Marin International Airport (SJU) to Philadelphia International Airport (PHL): what you need to know

  • Book a direct flight from Luis Munoz Marin International Airport to Philadelphia International Airport and you'll be in the air for an average of 4 hours.

  • Philadelphia's timezone is UTC-4, which is the same as San Juan.

  • You can choose from 58 weekly Luis Munoz Marin International Airport to Philadelphia International Airport flights. The 00:59 departure with Spirit Airlines is the earliest you can take. Frontier Airlines operates the latest service of the day at 22:12.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your SJU to PHL flight.

  • Flying during a peak time like July? Public holidays and other popular periods can mean longer lines and delays at check-in and security. Play it safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • With direct flights from Luis Munoz Marin International Airport to Philadelphia International Airport operated by a number of airlines, getting to Philadelphia (and then other parts of United States) is a cinch. Here's who you can fly nonstop with:

  • The majority of travellers choose to travel with American Airlines on this route.

  • American Airlines ranks as the top on-time carrier for SJU to PHL flights, with 81.19% of its services arriving as scheduled.

  • If you'd like to include a stop along the way, simply deselect 'Direct flights only' when searching for your ticket from Luis Munoz Marin International Airport to Philadelphia International Airport. Here are the most popular stopovers between SJU and PHL:

    • Cyril E. King Airport

    • Punta Cana International Airport

    • Washington Dulles International Airport

How to find the cheapest flights from Luis Munoz Marin International Airport (SJU) to Philadelphia International Airport (PHL)

  • 89 € is currently the best price for a one-way Luis Munoz Marin International Airport to Philadelphia International Airport flight. A return flight starts at 166 €. These fares may change depending on demand.

  • To secure cheap tickets from SJU to PHL, reserve your trip six months before your departure.

  • May is the cheapest month for flights from Luis Munoz Marin International Airport to Philadelphia International Airport. If you'd like to fly during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Stay on top of deals for cheap flights from SJU to PHL by creating a Price Alert. You'll get an email or notification through the app when a new low fare is offered.

  • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Luis Munoz Marin International Airport to Philadelphia International Airport.

Handy information about Luis Munoz Marin International Airport (SJU)

  • When it comes to Luis Munoz Marin International Airport's on-time performance, data shows 73.65% of flights meet their scheduled arrival time.

  • To reach Luis Munoz Marin International Airport from central San Juan, it takes about 10 minutes if you're going by car. This depends on traffic, however. It's approximately 8 kilometres from the airport to the city centre.

  • The journey on public transport typically takes 55 minutes.

  • Booked an early flight from Luis Munoz Marin International Airport to Philadelphia International Airport? Avoid the stress of rushing to the airport (and catch some extra z's) by picking one of these stays near SJU:

Arriving at Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • You'll find PHL at Industrial Highway and Island Road.

  • From Philadelphia International Airport, Philadelphia is approximately 19 kilometres away. It takes around 15 minutes to reach the centre by car.

  • If you're travelling on public transport, expect a journey of roughly 45 minutes.

When to fly to Philadelphia International Airport (PHL)

  • The quietest month for a flight from Luis Munoz Marin International Airport to Philadelphia International Airport is February, while August is the most popular. Pick the ideal time to visit Philadelphia based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC (64ºF) and 32ºC (90ºF). Book your flights from Luis Munoz Marin International Airport to Philadelphia International Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between -7ºC (19ºF) and 9ºC (48ºF). Search for cheap tickets from SJU to PHL sometime then if you want to travel when it's cooler.

Explore more of United States

  • New York is just one of the many places in United States waiting to be explored once you've seen Philadelphia. Around 129 kilometres away to the north-east, well-known attractions include Statue of Liberty, Central Park and Empire State Building.

  • Boston is another standout destination in United States and is around 434 kilometres north-east of Philadelphia. No trip is complete without experiencing Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.