Cheap Flights from San Juan to Philadelphia

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Flight deals from San Juan to Philadelphia

Looking for a cheap last-minute deal or the best return flight from San Juan to Philadelphia? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Juan to Philadelphia

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

Direct flights from San Juan to Philadelphia

Alternative San Juan to Philadelphia routes

Looking for the cheapest, fastest or easiest route from San Juan to Philadelphia? You could fly into the following airports instead.

San Juan to Philadelphia: Flight information

The things to know before you go.
Cheapest flight foundR 1,603
Cheapest month to flySeptember
Average flight time4 hrs, 9 mins
Most popular airlineAmerican Airlines
Average flights per week49

Finding cheap flights from San Juan to Philadelphia: Frequently asked questions

There are 6 airports in Philadelphia: Philadelphia International, Blue Bell, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from San Juan to Philadelphia is R 3,109. 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 9 minutes is the average flight time from San Juan to Philadelphia.
American Airlines, Qatar Airways and British Airways fly direct from San Juan to Philadelphia.
As of August 2025, there are 49 flights per week flying from San Juan to Philadelphia.
The cheapest month to fly from San Juan to Philadelphia is usually September.
If you're flying from San Juan, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from R 3,109.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Juan to Philadelphia on Friday, 12 September 2025.
Yes – the average flight time is 4 hours and 9 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 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.
In August, the average temperature is usually around 24°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
The cheapest airline that flies to Philadelphia is Frontier Airlines .

Travelling from San Juan to Philadelphia: what you need to know

  • Luis Munoz Marin International Airport (SJU) is San Juan's main airport. Check out your options for reserving a flight from San Juan to Philadelphia jetting off from here.

  • Touch down at Philadelphia International Airport (PHL), the primary gateway of Philadelphia.

  • Around 4 hours 5 minutes is how long you can expect to be travelling on a direct San Juan to Philadelphia flight.

  • San Juan and Philadelphia are in the same timezone, UTC-4.

  • The most popular route for flights from San Juan to Philadelphia is from Luis Munoz Marin International Airport (SJU) to Philadelphia International Airport (PHL). There are 19 services every week between these two airports. If you want to maximise your time on arrival, the earliest flight from SJU to PHL is the 00:59 Spirit Airlines service. If you prefer to travel later, the final departure is at 22:12 with Frontier Airlines.

  • For a relaxed travel experience, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your San Juan to Philadelphia flight.

  • During popular months such as July, it's best to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during peak periods in general.

How to find the cheapest flights from San Juan to Philadelphia

  • R 1,603 is currently the lowest price for a one-way ticket from San Juan to Philadelphia. A return flight starts at R 3,109. These fares can change based on demand and availability.

  • To snag cheap San Juan to Philadelphia flights, reserve your journey two months before your departure date.

  • May is the best month for landing an awesome deal on a plane ticket from San Juan to Philadelphia. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • There's no need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll notify you when a better deal comes up on cheap flights from San Juan to Philadelphia.

  • Save on your San Juan to Philadelphia flight with the help of our filters. Select your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from San Juan

Luis Munoz Marin International Airport (SJU)

  • Depart from Luis Munoz Marin International Airport (SJU) on a nonstop flight from San Juan to Philadelphia. From SJU, you can fly directly to Philadelphia International Airport (PHL).

  • Choose from a range of airlines offering direct San Juan to Philadelphia plane tickets with departures from SJU, including:

  • Think about adding a stopover to possibly find a cheaper San Juan to Philadelphia flight. Just uncheck 'Direct flights only' when searching for departures from Luis Munoz Marin International Airport. Take a pause at one of these popular options:

    • Cyril E. King Airport (STT)

    • Punta Cana International Airport (PUJ)

    • Washington Dulles International Airport (IAD)

  • Located around 6 kilometres from central San Juan, SJU can be reached in about 10 minutes by car (depending on traffic). The journey by public transport takes roughly 55 minutes.

  • Have an early flight from San Juan to Philadelphia? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels close to Luis Munoz Marin International Airport:

  • Of the departures from Luis Munoz Marin International Airport, 73.65% touch down on time at their destination.

Arriving in Philadelphia

Philadelphia International Airport (PHL)

Trenton-Mercer Airport (TTN)

  • The centre of Philadelphia is around 48 kilometres from Trenton-Mercer Airport (TTN). As soon as your flight from San Juan to Philadelphia has hit the runway and you've navigated your way to arrivals, expect a drive of about 40 minutes.

  • Public transport will get you there in about 1 hour 45 minutes.

  • Budget, National and Enterprise make picking up a Trenton-Mercer Airport rental car quick and easy. These suppliers are located around or in the terminal and will get you on your way in no time.

  • Get exactly what you want. Securing your ride from TTN four weeks in advance often means lower prices and a bigger choice of vehicles.

  • The address for Trenton-Mercer Airport is Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • August is the busiest month for flights from San Juan to Philadelphia. To escape the crowds, head to Philadelphia in February.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC (64ºF) and 32ºC (90ºF). Book your San Juan to Philadelphia ticket then if that's your ideal forecast.

  • Search for cheap flights from San Juan to Philadelphia in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -7ºC (19ºF) and 9ºC (48ºF) on average.

More about Philadelphia

Explore more of United States

  • Philadelphia has its own special appeal, but there are so many other corners of United States you'll want to see. About 129 kilometres north-east of Philadelphia, a visit to New York will keep you on the go. Check out popular attractions like Statue of Liberty, Central Park and Empire State Building.

  • Boston is another favourite destination in United States and is around 434 kilometres north-east of Philadelphia. No journey 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 45 days.