Cheap Flights from San Juan Luis Munoz Marin to Philadelphia

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Flight deals from San Juan Luis Munoz Marin to Philadelphia

Looking for a cheap last-minute deal or the best return flight from San Juan Luis Munoz Marin Airport to Philadelphia? If you want to travel next month, return fares start from $522. Find the lowest prices on one-way and return tickets right here.

Philadelphia.$330 per passenger.Departing Thu, 17 Sep, returning Mon, 21 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Thu, 17 Sep, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 21 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $330, select.

Philadelphia.$369 per passenger.Departing Mon, 31 Aug, returning Thu, 3 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Mon, 31 Aug, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Thu, 3 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $369, select.

Philadelphia.$373 per passenger.Departing Thu, 20 Aug, returning Thu, 27 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Thu, 20 Aug, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Thu, 27 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $373, select.

Philadelphia.$400 per passenger.Departing Thu, 1 Oct, returning Tue, 6 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Thu, 1 Oct, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Tue, 6 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $400, select.

Philadelphia.$419 per passenger.Departing Thu, 27 Aug, returning Mon, 31 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Thu, 27 Aug, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 31 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $419, select.

Philadelphia.$445 per passenger.Departing Mon, 2 Nov, returning Thu, 5 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Mon, 2 Nov, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Thu, 5 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $445, select.

Philadelphia.$483 per passenger.Departing Fri, 10 Jul, returning Fri, 14 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 10 Jul, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Fri, 14 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $483, select.

Philadelphia.$486 per passenger.Departing Fri, 18 Sep, returning Fri, 9 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 18 Sep, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Fri, 9 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $486, select.

Philadelphia.$514 per passenger.Departing Tue, 9 Jun, returning Tue, 4 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Tue, 9 Jun, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Tue, 4 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $514, select.

Philadelphia.$522 per passenger.Departing Tue, 30 Jun, returning Tue, 7 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Tue, 30 Jun, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Tue, 7 Jul, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $522, select.

Philadelphia.$522 per passenger.Departing Wed, 1 Jul, returning Sat, 4 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Wed, 1 Jul, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sat, 4 Jul, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $522, select.

Philadelphia.$525 per passenger.Departing Wed, 17 Jun, returning Fri, 19 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Wed, 17 Jun, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 19 Jun, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $525, select.

Philadelphia.$534 per passenger.Departing Fri, 19 Jun, returning Wed, 24 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 19 Jun, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Wed, 24 Jun, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $534, select.

Philadelphia.$666 per passenger.Departing Thu, 22 Oct, returning Sun, 1 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Thu, 22 Oct, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Sun, 1 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $666, select.

Philadelphia.$773 per passenger.Departing Thu, 18 Feb, returning Thu, 25 Feb.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Thu, 18 Feb, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Thu, 25 Feb, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From $773, select.

Philadelphia.$776 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 $776, select.

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

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 flights are currently cheapest in September.

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Direct flights from San Juan Luis Munoz Marin to Philadelphia

Alternative San Juan Luis Munoz Marin to Philadelphia routes

Looking for the cheapest, fastest or easiest route from San Juan Luis Munoz Marin 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 found	$330
Cheapest month to fly	September
Average flight time	4 hrs, 11 mins
Most popular airline	American Airlines
Average flights per week	62

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

How many airports are there in Philadelphia?

There are 6 airports in Philadelphia: Philadelphia International, Blue Bell, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.

How much are return flights from San Juan Luis Munoz Marin to Philadelphia?

The best price we found for a return flight from San Juan Luis Munoz Marin to Philadelphia is $330. 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.

How long does it take to fly from San Juan Luis Munoz Marin to Philadelphia?

4 hours and 11 minutes is the average flight time from San Juan Luis Munoz Marin to Philadelphia.

Which airlines fly direct from San Juan Luis Munoz Marin to Philadelphia?

American Airlines, British Airways and Frontier Airlines fly direct from San Juan Luis Munoz Marin to Philadelphia.

How many flights are there a week from San Juan Luis Munoz Marin to Philadelphia?

As of June 2026, there are 62 flights per week flying from San Juan Luis Munoz Marin to Philadelphia.

When is the cheapest time to fly from San Juan Luis Munoz Marin to Philadelphia?

The cheapest month to fly from San Juan Luis Munoz Marin to Philadelphia is usually September.

Which is the cheapest airport to fly into in Philadelphia?

If you're flying from San Juan Luis Munoz Marin Airport, 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 $330.

Which upcoming date is cheapest to fly from San Juan Luis Munoz Marin Airport to Philadelphia on?

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 on Thursday, 17 September 2026.

Can I get a direct flight from San Juan Luis Munoz Marin Airport to Philadelphia?

Yes – the average flight time is 4 hours and 11 minutes.

How can I get the best flight deal from San Juan Luis Munoz Marin Airport to Philadelphia?

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.

When is the best time to book flights to Philadelphia?

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.

What’s the weather like in Philadelphia?

In June, the average temperature is usually around 21°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.

Which is the cheapest airline to fly from San Juan Luis Munoz Marin Airport to Philadelphia with?

Currently, Frontier Airlines offers the cheapest flight tickets to Philadelphia.

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

The average length of a direct flight from Luis Munoz Marin International Airport to Philadelphia is 3 hours 55 minutes.
Luis Munoz Marin International Airport is located in San Juan. Following the UTC-5 timezone, Philadelphia is one hour behind San Juan.
Luis Munoz Marin International Airport (SJU) to Philadelphia International Airport (PHL) is the most traveled route. When looking for your flight, you can pick from 26 weekly services between SJU and PHL.
To avoid missing your SJU to Philadelphia flight, allow plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.
During popular months such as March, it's a good idea to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during high season in general.
Direct Luis Munoz Marin International Airport to Philadelphia tickets are available for booking. Philadelphia International Airport (PHL) is where you'll step off the plane.
Leading carriers that offer direct flights from Luis Munoz Marin International Airport to Philadelphia include:
Stopovers are the ideal opportunity to break up your trip and maybe even explore another city. When browsing for plane tickets from SJU to Philadelphia, deselect the 'Direct flights only' box to see where you can visit along the way. Here are some popular options to consider:
- Atlanta Hartsfield-Jackson International Airport (ATL)
- Orlando International Airport (MCO)
- Washington Dulles International Airport (IAD)
SJU is around 6 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 travel time to be around 1 hour.
Have an early flight from Luis Munoz Marin International Airport to Philadelphia? Avoid the stress of rushing to the terminal (and catch some extra z's) by choosing one of these hotels close to SJU:
Luis Munoz Marin International Airport scores top marks for on-time performance. 81% of flights that take off from SJU reach their destination without delay.

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

The best price we've seen for a one-way Luis Munoz Marin International Airport to Philadelphia flight is $192. The cheapest price for a return flight is $329. Bear in mind fares can change due to demand at the time of booking.
To find cheap flights from SJU to Philadelphia, book ahead. Airlines usually offer lower fares when flights first go on sale.
The 'Whole month' tool will show you the cheapest tickets from Luis Munoz Marin International Airport to Philadelphia across the entire month. It's an easy way to find a bargain if your trip dates are flexible.
You don't need to keep looking every day to see if fares have dropped when you create a Price Alert. We'll let you know as soon as there's an even bigger deal on cheap flights from SJU to Philadelphia.
Find an affordable flight from Luis Munoz Marin International Airport to Philadelphia with the help of our filters. Select your ideal departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Philadelphia

Philadelphia International Airport (PHL)

The distance from Philadelphia International Airport (PHL) to central Philadelphia is roughly 18 kilometres. It'll take you about 20 minutes to get to the centre driving.
Travelling to the centre by public transport takes around 30 minutes.
If you have a late flight from Luis Munoz Marin International Airport to Philadelphia, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and sleeping not long after at one of these accommodation options near PHL:
Get the best deal by booking your ride from Philadelphia International Airport around three weeks before your flight from SJU to Philadelphia.
PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

Once your flight from Luis Munoz Marin International Airport to Philadelphia has landed, you can make your way to the city centre in about 40 minutes by car. Central Philadelphia is roughly 48 kilometres from Trenton-Mercer Airport (TTN).
You can expect the trip to take about 1 hour 35 minutes on public transport.
You'll find some great places to park your luggage (and yourself) near TTN. Tuck yourself in and get cosy after your SJU to Philadelphia flight at any of these well-located options:
Call dibs on the best options. Reserving your ride from TTN four weeks ahead of time often means better deals and a greater range of vehicles.
Trenton-Mercer Airport is located at Scotch Road, Terminal Building.

Best time to go to Philadelphia

It's time to pick your travel dates for your flight from Luis Munoz Marin International Airport to Philadelphia. July is the busiest month for a trip to Philadelphia. If you like a more peaceful vibe, go in December.
Book a Luis Munoz Marin International Airport to Philadelphia plane ticket with a departure in July to visit the city during its warmest month. Expect temperatures to range from 18ºC to 32ºC.
January sees average temperatures of between -7ºC and 9ºC. Search for a cheap ticket from SJU to Philadelphia around that time if you want to travel when it's cooler.

More about Philadelphia

Start your Philadelphia trip right by choosing the ideal place to stay. As soon as you've booked your flight from Luis Munoz Marin International Airport to Philadelphia, check out our range of hotels including:
Every great adventure has to include some sightseeing. Liberty Bell, Independence Hall and Philadelphia Museum of Art are essential stops on your Philadelphia itinerary.

Explore more of the United States

New York is just one of the many places in the United States waiting to be explored once you've seen the sights of Philadelphia. Around 129 kilometres away to the northeast, top sights here include Central Park, Statue of Liberty and Metropolitan Museum of Art.
Around 434 kilometres northeast of Philadelphia, Boston is another favourite stop in the United States. No visit is complete without checking out Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum.