157 € Cheap Flights from Philadelphia to San Juan

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Flight deals from Philadelphia to San Juan

Looking for a cheap last-minute deal or the best return flight from Philadelphia to San Juan? If you want to travel next month, return fares start from 253 €. Find the lowest prices on one-way and return tickets right here.

San Juan.157 € per passenger.Departing Mon, 31 Aug, returning Fri, 25 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 31 Aug, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 25 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 157 €, select.

San Juan.169 € per passenger.Departing Fri, 18 Sep, returning Fri, 25 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Fri, 18 Sep, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 25 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 169 €, select.

San Juan.177 € per passenger.Departing Fri, 25 Sep, returning Fri, 2 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Fri, 25 Sep, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 2 Oct, arriving in Philadelphia International.Price includes taxes and charges.From 177 €, select.

San Juan.189 € per passenger.Departing Fri, 2 Oct, returning Sun, 4 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Fri, 2 Oct, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Sun, 4 Oct, arriving in Philadelphia International.Price includes taxes and charges.From 189 €, select.

San Juan.194 € per passenger.Departing Sat, 15 Aug, returning Sun, 30 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 15 Aug, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sun, 30 Aug, arriving in Philadelphia International.Price includes taxes and charges.From 194 €, select.

San Juan.199 € per passenger.Departing Mon, 31 Aug, returning Mon, 31 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 31 Aug, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Mon, 31 Aug, arriving in Philadelphia International.Price includes taxes and charges.From 199 €, select.

San Juan.217 € per passenger.Departing Mon, 26 Oct, returning Wed, 4 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 26 Oct, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Wed, 4 Nov, arriving in Philadelphia International.Price includes taxes and charges.From 217 €, select.

San Juan.217 € per passenger.Departing Fri, 31 Jul, returning Fri, 4 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Fri, 31 Jul, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 4 Sep, arriving in Philadelphia International.Price includes taxes and charges.From 217 €, select.

San Juan.230 € per passenger.Departing Fri, 31 Jul, returning Wed, 5 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Fri, 31 Jul, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Wed, 5 Aug, arriving in Philadelphia International.Price includes taxes and charges.From 230 €, select.

San Juan.250 € per passenger.Departing Fri, 10 Jul, returning Fri, 2 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 10 Jul, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Fri, 2 Oct, arriving in Philadelphia International.Price includes taxes and charges.From 250 €, select.

San Juan.253 € per passenger.Departing Mon, 13 Jul, returning Tue, 14 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 13 Jul, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Tue, 14 Jul, arriving in Philadelphia International.Price includes taxes and charges.From 253 €, select.

San Juan.255 € per passenger.Departing Tue, 23 Jun, returning Thu, 25 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Tue, 23 Jun, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 25 Jun, arriving in Philadelphia International.Price includes taxes and charges.From 255 €, select.

San Juan.258 € per passenger.Departing Mon, 20 Jul, returning Tue, 28 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 20 Jul, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Tue, 28 Jul, arriving in Philadelphia International.Price includes taxes and charges.From 258 €, select.

San Juan.259 € per passenger.Departing Sun, 1 Nov, returning Fri, 6 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Sun, 1 Nov, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 6 Nov, arriving in Philadelphia International.Price includes taxes and charges.From 259 €, select.

San Juan.266 € per passenger.Departing Wed, 17 Jun, returning Thu, 20 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 17 Jun, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 20 Aug, arriving in Philadelphia International.Price includes taxes and charges.From 266 €, select.

San Juan.266 € per passenger.Departing Sun, 7 Jun, returning Wed, 24 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Philadelphia International on Sun, 7 Jun, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Wed, 24 Jun, arriving in Philadelphia International.Price includes taxes and charges.From 266 €, select.

Find the cheapest month to fly from Philadelphia to San Juan

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

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Direct flights from Philadelphia to San Juan

Alternative Philadelphia to San Juan routes

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

Philadelphia to San Juan: Flight information

The things to know before you go.

Cheapest flight found	157 €
Cheapest month to fly	August
Average flight time	3 hrs, 59 mins
Most popular airline	American Airlines
Average flights per week	62

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

How many airports are there in San Juan?

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.

How much are return flights from Philadelphia to San Juan?

The best price we found for a return flight from Philadelphia to San Juan is 157 €. 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 Philadelphia to San Juan?

3 hours and 59 minutes is the average flight time from Philadelphia to San Juan.

Which airlines fly direct from Philadelphia to San Juan?

American Airlines, Frontier Airlines and Qatar Airways fly direct from Philadelphia to San Juan.

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

As of June 2026, there are 56 flights per week flying from Philadelphia to San Juan.

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

The cheapest month to fly from Philadelphia to San Juan is usually August.

Which is the cheapest airport to fly into in San Juan?

If you're flying from Philadelphia, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from 157 €.

Which upcoming date is cheapest to fly from Philadelphia to San Juan on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to San Juan on Monday, 31 August 2026.

Can I get a direct flight from Philadelphia to San Juan?

Yes – the average flight time is 3 hours and 59 minutes.

How can I get the best flight deal from Philadelphia to San Juan?

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 San Juan 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 San Juan?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in San Juan?

In June, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.

Which is the cheapest airline to fly from Philadelphia to San Juan with?

The cheapest airline that flies to San Juan is Frontier Airlines .

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

Philadelphia International Airport (PHL) is Philadelphia's main airport. Explore your options for booking a flight from Philadelphia to San Juan departing from here.
Luis Munoz Marin International Airport (SJU) is where your flight will arrive in San Juan.
Around 3 hours 55 minutes is how long you'll be in transit on a direct Philadelphia to San Juan flight.
Philadelphia and San Juan share the UTC-4 timezone. That means you won't need to account for any time differences.
The most popular route for flights from Philadelphia to San Juan is from Philadelphia International Airport (PHL) to Luis Munoz Marin International Airport (SJU). Choose from 20 services every week between these two airports. If you want to take off at the first opportunity, the earliest flight from PHL to SJU is the 06:00 Frontier Airlines service. If you have other commitments or plans on your day of travel, the final scheduled service is at 22:57 with Spirit Airlines.
Give yourself plenty of time to make your Philadelphia to San Juan flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.
You can expect bigger queues in popular months such as August. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you plenty of time for security and boarding.

How to find the cheapest flights from Philadelphia to San Juan

69 € is the best price for a one-way ticket from Philadelphia to San Juan. Return flights start at 157 €. These fares can change based on demand and availability.
Lock in cheap Philadelphia to San Juan flights by booking two months ahead. According to our research, that's the ideal time frame for landing a bargain.
The best month for finding cheap plane tickets from Philadelphia to San Juan is May. Use the 'Whole month' tool to compare prices, then choose the dates that offer the lowest fares.
Locking in a cheap flight from Philadelphia to San Juan is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when a better deal is available.
Choose your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your Philadelphia to San Juan flight results by 'Fastest,' 'Best' or 'Cheapest.'

Flying from Philadelphia

Philadelphia International Airport (PHL)

You can book a direct flight from Philadelphia to San Juan leaving from Philadelphia International Airport (PHL). Begin your trip at PHL and arrive at Luis Munoz Marin International Airport (SJU).
You'll have your choice of airlines that offer direct Philadelphia to San Juan plane tickets out of PHL. Let one of these carriers take you there:
We make it a breeze to book a Philadelphia to San Juan flight with a stopover. To see your options leaving from Philadelphia International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to see the sights of your chosen city. Popular stopovers include:
- Newark Liberty International Airport (EWR)
- Raleigh-Durham International Airport (RDU)
- Cyril E. King Airport (STT)
Travelling from central Philadelphia to PHL takes around 45 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 11 kilometres in 15 minutes or so, depending on traffic.
After a hassle-free start to your trip? Stay near Philadelphia International Airport. Whether you're taking an early flight from Philadelphia to San Juan or want to avoid feeling rushed, these hotels have you covered:
When it comes to the on-time performance of Philadelphia International Airport, data shows 78.93% of flights stick to their scheduled arrival time.
You'll find PHL at 8500 Essington Ave.

Arriving in San Juan

Luis Munoz Marin International Airport (SJU)

Luis Munoz Marin International Airport (SJU) to central San Juan takes around 10 minutes by car. The centre is roughly 11 kilometres away.
It usually takes 55 minutes to get there when travelling by public transport.
Consider staying in a hotel close to SJU if you have a late flight from Philadelphia to San Juan. Settle into one of these options and skip the long transfer:
Fast-track your adventure by picking up a Luis Munoz Marin International Airport rental car. Grab a set of wheels from Sixt, Ace Rent a Car or U-Save and experience the lesser-explored corners of San Juan and beyond.
Lock in the best rate by reserving your vehicle from Luis Munoz Marin International Airport around two weeks in advance of your trip.

Fernando Luis Ribas Dominicci Airport (SIG)

The centre of San Juan is around 6 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). After your flight from Philadelphia to San Juan has hit the runway and you've made your way through the terminal, the drive should be around 15 minutes.
If you choose to travel on public transport, the journey will take you 1 hour or so.

Best time to go to San Juan

May is the quietest month for flights from Philadelphia to San Juan, while July is the most popular. Find the ideal time to go to San Juan based on whether you want a laid-back vibe or a more bustling atmosphere.
Lock in a Philadelphia to San Juan ticket departing in September if you're eager to experience the city during its warmest month. Expect temperatures in San Juan to range from 23ºC (73ºF) to 33ºC (91ºF).
If you want to travel in cooler conditions, look for a cheap flight from Philadelphia to San Juan in February when temperatures average between 20ºC (68ºF) and 28ºC (82ºF).

More about San Juan

When it comes to looking for somewhere to rest your head, you'll find the top stays in San Juan right here. Check out these hotels as soon as you've booked your flight from Philadelphia to San Juan:
Castillo San Felipe del Morro and La Garita del morro de san juan bahia are a couple of popular attractions to add to your San Juan must-do list. Keep the sightseeing going at Fortaleza Street.

Explore more of Puerto Rico

Bayamon is just one of the many places in Puerto Rico waiting to be explored after you've seen San Juan. Around 10 kilometres to the west, check out popular attractions including Plazoleta Ignacio Zorrilla, La Plaza de la Bomba Puertorriqueña, Monumento a los Trovadores and Parque Palm Court.
If you want to check out another major destination in Puerto Rico, head for Carolina, roughly 11 kilometres east of San Juan. Isla Verde Beach, Parque de Doble A Roberto Clemente Walker and Drone Zone Track are highlights.