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137 € Cheap Flights from San Juan to Philadelphia

Compare San Juan to Philadelphia flight deals

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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? If you want to travel next month, return fares start from 138 €. Find the lowest prices on one-way and return tickets right here.
Philadelphia.137 € per passenger.Departing Fri, 28 Aug, returning Fri, 4 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 28 Aug, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Fri, 4 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 137 €, select.
Philadelphia.138 € per passenger.Departing Tue, 8 Sep, returning Mon, 14 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Tue, 8 Sep, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 14 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 138 €, select.
Philadelphia.138 € per passenger.Departing Fri, 21 Aug, returning Tue, 25 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 21 Aug, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Tue, 25 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 138 €, select.
Philadelphia.140 € per passenger.Departing Thu, 30 Jul, returning Sun, 16 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Thu, 30 Jul, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sun, 16 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 140 €, select.
Philadelphia.177 € per passenger.Departing Wed, 30 Sep, returning Sun, 4 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Wed, 30 Sep, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sun, 4 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 177 €, select.
Philadelphia.177 € per passenger.Departing Thu, 15 Oct, returning Mon, 19 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 15 Oct, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 19 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 177 €, select.
Philadelphia.177 € per passenger.Departing Mon, 12 Oct, returning Mon, 19 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Mon, 12 Oct, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 19 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 177 €, select.
Philadelphia.206 € per passenger.Departing Thu, 22 Oct, returning Sun, 1 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 22 Oct, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sun, 1 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 206 €, select.
Philadelphia.212 € per passenger.Departing Sat, 25 Jul, returning Tue, 28 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Sat, 25 Jul, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Tue, 28 Jul, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 212 €, select.
Philadelphia.216 € per passenger.Departing Thu, 5 Nov, returning Sun, 8 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Thu, 5 Nov, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sun, 8 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 216 €, select.
Philadelphia.219 € per passenger.Departing Thu, 22 Oct, returning Sun, 1 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Thu, 22 Oct, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sun, 1 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 219 €, select.
Philadelphia.284 € per passenger.Departing Wed, 23 Dec, returning Wed, 30 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Wed, 23 Dec, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Wed, 30 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 284 €, select.
Philadelphia.304 € per passenger.Departing Fri, 25 Dec, returning Sun, 3 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Fri, 25 Dec, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Sun, 3 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 304 €, select.
Philadelphia.304 € per passenger.Departing Fri, 15 Jan, returning Mon, 18 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Fri, 15 Jan, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Mon, 18 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 304 €, select.
Philadelphia.328 € per passenger.Departing Wed, 23 Dec, returning Sat, 2 Jan.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Wed, 23 Dec, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sat, 2 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 328 €, select.
Philadelphia.360 € per passenger.Departing Fri, 27 Nov, returning Tue, 1 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 27 Nov, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Tue, 1 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 360 €, select.

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 August.
Jul
from 212 €
Aug
from 138 €
Sep
from 138 €
Oct
from 177 €
Nov
from 216 €
Dec
from 284 €
Jan
from 304 €
Feb
Find prices
Mar
from 535 €
Apr
Find prices
May
Find prices
Jun
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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.

Philadelphia International

11km from central Philadelphia
ClosestCheapest
from 137 €
Search flights

Philadelphia Trenton-Mercer

47km from central Philadelphia
from 273 €
Search flights

Greater Wilmington

49km from central Philadelphia
from 353 €
Search flights

Atlantic City International

75km from central Philadelphia
from 296 €
Search flights

Allentown

81km from central Philadelphia
from 266 €
Search flights

San Juan to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found137 €
Cheapest month to flyAugust
Average flight time4 hrs, 11 mins
Most popular airlineAmerican Airlines
Average flights per week240

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

There are 5 airports in Philadelphia: Philadelphia International, 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 137 €. 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 to Philadelphia.
American Airlines, Qatar Airways and Frontier Airlines fly direct from San Juan to Philadelphia.
As of July 2026, there are 60 flights per week flying from San Juan to Philadelphia.
The cheapest month to fly from San Juan to Philadelphia is usually August.
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 137 €.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Juan to Philadelphia on Friday, 28 August 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 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 July, 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

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

  • Touch down at Philadelphia's chief entry point, Philadelphia International Airport (PHL).

  • Around 4 hours 10 minutes is how long you can expect to be travelling on a direct San Juan to Philadelphia flight.

  • Philadelphia's timezone is UTC-5, which makes Philadelphia one hour behind San Juan.

  • There are 37 services each week between San Juan Luis Munoz Marin Airport (SJU) and Philadelphia International Airport (PHL). SJU to PHL is the most popular route when booking flights from San Juan to Philadelphia.

  • Leave plenty of time to get on your San Juan to Philadelphia flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying over a peak time such as July? School holidays and other high seasons can mean longer queues at security. Be extra cautious and get there up to four hours before an international flight and two hours before a domestic departure.

How to find the cheapest flights from San Juan to Philadelphia

  • To pick up cheap San Juan to Philadelphia flights, book ahead. Airlines usually offer their most competitively priced fares when flights first go on sale.

  • Getting cheap plane tickets from San Juan to Philadelphia is easier if you're flexible with your dates. Use the 'Whole month' search tool to see the best prices throughout the month and walk away with a great deal.

  • You don't need to search every day to find out if prices have dropped when you set up a Price Alert. We'll notify you the moment there's a better deal on cheap flights from San Juan to Philadelphia.

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

Flying from San Juan

San Juan Luis Munoz Marin Airport (SJU)

  • Set off from San Juan Luis Munoz Marin 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 variety of carriers offering direct San Juan to Philadelphia plane tickets with departures from SJU, including:

  • Stopovers are the ideal opportunity to break up your journey — and possibly even visit a new city. When searching for San Juan to Philadelphia flights departing from San Juan Luis Munoz Marin Airport, uncheck the 'Direct flights only' box to see where you can visit along the way. Consider one of these popular options:

    • Atlanta Hartsfield-Jackson Airport (ATL)

    • Orlando International Airport (MCO)

    • Washington Dulles Airport (IAD)

  • SJU is around 11 kilometres from central San Juan. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 1 hour.

  • Planning to catch an early flight from San Juan to Philadelphia? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays near San Juan Luis Munoz Marin Airport:

  • 81% of flights departing from San Juan Luis Munoz Marin Airport reach their destination as planned. With its strong performance rating, delays are unlikely when flying out of SJU.

Arriving in Philadelphia

Philadelphia International Airport (PHL)

Philadelphia Trenton-Mercer Airport (TTN)

  • Once your flight from San Juan to Philadelphia has arrived, you can reach the city centre in about 40 minutes by car. Central Philadelphia is approximately 48 kilometres from Philadelphia Trenton-Mercer Airport (TTN).

  • Public transport will get you there in around 1 hour 35 minutes.

  • There are some great places ready to welcome you near TTN. Tuck yourself in after your San Juan to Philadelphia flight at one of these well-located options:

  • Budget, National and Enterprise make collecting a Philadelphia Trenton-Mercer Airport rental car quick and easy. These suppliers are located in or around the terminal and will have you on your way in a heartbeat.

  • Get exactly what you want. Booking your ride from TTN four weeks in advance often means better prices and a wider choice of vehicles.

  • You'll find Philadelphia Trenton-Mercer Airport at Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • It's time to figure out your trip dates for your flight from San Juan to Philadelphia. August is the most popular month to visit Philadelphia. If you prefer a more relaxed vibe, go in March.

  • Book a San Juan to Philadelphia ticket departing in July if you want to explore the city during its warmest month. You can expect temperatures in Philadelphia to range from 18ºC (64ºF) to 32ºC (90ºF).

  • January sees average temperatures of between -7ºC (19ºF) and 9ºC (48ºF). Look for cheap flights from San Juan to Philadelphia around that time if you'd rather travel in cooler conditions.

More about Philadelphia

Explore more of the United States

  • You've done Philadelphia, now it's time to discover other corners of the United States. Journey about 129 kilometres northeast to New York to check off its must-visit sights. From Central Park to Statue of Liberty and The Metropolitan Museum of Art, your itinerary will be busy.

  • Around 434 kilometres northeast of Philadelphia, Boston is another essential stop in the United States. Get a taste of what this destination has to offer at Museum of Fine Arts, Boston, Freedom Trail and Boston Tea Party Ships & Museum.

Plan the rest of your trip from San Juan to Philadelphia

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