Compare all flight tickets and find cheap flights from Philadelphia to San Juan

The cheapest flights right now

Philadelphia – San Juan
Outbound – Aug 9, 2025
F9PHL
direct
3h 54m
SJU
Return – Aug 16, 2025
F9SJU
direct
4h 1m
PHL
$243
13 days ago
Philadelphia – San Juan
Outbound – Aug 9, 2025
F9PHL
direct
3h 54m
SJU
Return – Aug 15, 2025
F9SJU
direct
4h 1m
PHL
$259
13 days ago
Philadelphia – San Juan
Outbound – Aug 8, 2025
F9PHL
direct
3h 54m
SJU
Return – Aug 16, 2025
F9SJU
direct
4h 1m
PHL
$273
13 days ago
Philadelphia – San Juan
Outbound – Aug 8, 2025
NKPHL
direct
3h 45m
SJU
Return – Aug 16, 2025
F9SJU
direct
4h 1m
PHL
$283
13 days ago

* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.

Cheapest flight tickets

$276

Price observed over the last 3 months for a round trip.

Average price of a round trip

$285

Average flight ticket price recorded over the last 3 months for a round trip.

Flight duration

3h49

A flight from Philadelphia to San Juan takes on average 3h49.

Best time

August

According to user searches, the ideal month to go to San Juan is August.

What is the cheapest month for this flight?

* The prices shown are an average per month of the prices found by Liligo users during the last 30 days.

The best flight deals for a week

Philadelphia – San Juan
Outbound – Aug 9, 2025
F9PHL
direct
3h 54m
SJU
Return – Aug 16, 2025
F9SJU
direct
4h 1m
PHL
$243
13 days ago
Philadelphia – San Juan
Outbound – Aug 9, 2025
F9PHL
direct
3h 54m
SJU
Return – Aug 15, 2025
F9SJU
direct
4h 1m
PHL
$259
13 days ago
Philadelphia – San Juan
Outbound – Aug 8, 2025
F9PHL
direct
3h 54m
SJU
Return – Aug 16, 2025
F9SJU
direct
4h 1m
PHL
$273
13 days ago
Philadelphia – San Juan
Outbound – Aug 8, 2025
NKPHL
direct
3h 45m
SJU
Return – Aug 16, 2025
F9SJU
direct
4h 1m
PHL
$283
13 days ago

* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.

Tips for finding a cheap flight from Philadelphia to San Juan

Check out our tips for booking your flight to San Juan (Puerto Rico) from Philadelphia (USA) at the cheapest possible price.

Usually, the cheapest month to pick up a ticket on this route is February, with an average flight ticket price of $167 (calculation over the last two years). The most touristic season corresponds to the months of February, November and December.
For the cheapest flights, it is advisable to buy your ticket at least 136 days before the departure date.

The airline offering the cheapest flight tickets is Spirit Airlines. A ticket from the airline Spirit Airlines to San Juan costs on average $298.
The airlines that offer the most flights are Frontier Airlines, Spirit Airlines and Frontier Airlines.

Price of flight tickets from Philadelphia to San Juan

Here is some information and tips to know before booking your flight:

  • Flight ticket prices range from $276 to $315
  • The average price of a flight ticket is about $285
  • Prices are lowest for stays in the month of February
  • The month in which booking a ticket is cheaper is: August
info departure city :
Philadelphia, USA
airports :
Philadelphia International Airport (PHL)
Northeast Philadelphia Airport (PNE)
local time :

Philadelphia is a city in the country USA, the time zone is [[timezone]]. In Philadelphia, it is currently {fromLocalTime}, the temperature is on average 19°C, with a minimum of 17°C and a maximum of 22°C.

The city of Philadelphia (PHL) has 2 airport(s): Philadelphia International and Northeast Philadelphia

destination info :
San Juan, Puerto Rico
airports :
Luis Muñoz Marín International Airport (SJU)
Fernando Luis Ribas Dominicci Airport (SIG)
local time :

San Juan is in the country Puerto Rico, the time zone is [[timezone]]. In San Juan, it is currently {toLocalTime}, the temperature is on average 28°C, with a minimum of 26°C and a maximum of 30°C.

The city of San Juan has 2 airport(s): Luis Muñoz Marín and Fernando Luis Ribas Dominicci

Useful info about San Juan

What is the least touristic period to go to San Juan?

If you want to visit San Juan during the least touristic period, choose the month of August.

What is the most popular time to travel to San Juan?

In San Juan, the most popular month is February. It is during this period that the prices offered by airlines are also the highest.

When should I book my flight from Philadelphia to San Juan?

According to our data, it is recommended to book your flight 136 days before your departure. If you book your flight ticket 20 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Philadelphia to San Juan is Thursday.

What are the arrival and destination airports when traveling between Philadelphia and San Juan?

When you leave, you can leave from Philadelphia International, and you will arrive at Luis Muñoz Marín.

How to reach Philadelphia airport from the city centre?

The airport Philadelphia International is located 12 km or Northeast Philadelphia is located 20 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.

Are there other means of transportation to go from Philadelphia to San Juan?

Airplane is the only means of transportation listed on Liligo for this journey.

Are there big differences in weather between Philadelphia and San Juan?

In summer, the average temperature is 28°C in San Juan and 24°C in Philadelphia. The average rainfall in summer is 77 mm in San Juan and 112 mm in Philadelphia. In summer, it is warmer in San Juan and it rains less in San Juan. In winter, it is colder in San Juan and it rains more in Philadelphia.

Prepare your stay in San Juan

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