Cheap flights from Philadelphia to San Juan

Philadelphia
PHL
Luis Muñoz Marín
SJU

Flight deals from Philadelphia to San Juan

Below you can see the best deals on flights Philadelphia — San Juan for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is $76.

Top 10 cheap flights from Philadelphia to San Juan

F9
$ 80

Philadelphia — San Juan

22:59—02:59
28 Aug 2026
4 h
Direct flight
F9
$ 80

Philadelphia — San Juan

05:30—09:19
1 Sep 2026
3 h 49 m
Direct flight
F9
$ 80

Philadelphia — San Juan

22:59—02:59
1 Sep 2026
4 h
Direct flight
F9
$ 80

Philadelphia — San Juan

11:55—15:57
1 Sep 2026
4 h 2 m
Direct flight
F9
$ 81

Philadelphia — San Juan

22:59—02:59
31 Aug 2026
4 h
Direct flight
F9
$ 81

Philadelphia — San Juan

11:55—15:57
31 Aug 2026
4 h 2 m
Direct flight
F9
$ 81

Philadelphia — San Juan

06:15—10:19
31 Aug 2026
4 h 4 m
Direct flight
F9
$ 81

Philadelphia — San Juan

14:50—18:49
30 Aug 2026
3 h 59 m
Direct flight
F9
$ 81

Philadelphia — San Juan

11:55—15:57
30 Aug 2026
4 h 2 m
Direct flight
F9
$ 81

Philadelphia — San Juan

06:15—10:19
30 Aug 2026
4 h 4 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Philadelphia — San Juan flight

Looking for cheap flights from Philadelphia to San Juan? Compare fares from different airlines, check the flight schedule and travel time — and book your Philadelphia — San Juan ticket online at the best price.

The route has direct flights — around 99 flights per week, flights are operated by Frontier Airlines, American Airlines, Spirit Airlines, JetBlue, a nonstop flight takes about 3 h 52 min, the distance between the cities is around 2,543 km.

Planning your trip? You may find our San Juan travel guide, how to get from the airport into town and San Juan weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $76Min. price
SeptemberCheapest
FebruaryPeak season
YesDirect flights
2,543 kmDistance
3 h 52 minTravel time
4Airlines
99 / wkFlights

Flight schedule from Philadelphia to San Juan

The table shows direct flights from Philadelphia to San Juan on the selected date. The flight takes approximately 3 h 52 min. Regular flights are operated by Frontier Airlines, American Airlines, Spirit Airlines and JetBlue. Departures from Philadelphia International Airport and Trenton-Mercer Airport airports, arrivals at Luis Muñoz Marín International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 16 Aug 2026

Flight ticket prices by day: Philadelphia — San Juan

Below is a calendar of the lowest flight ticket prices for Philadelphia — San Juan by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $76 in September, and the most expensive are around $323 in February. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Philadelphia to San Juan by month. Tickets are usually cheapest in October (around $150) and priciest in March (about $268) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$215mediumMay$193mediumSep$161low
Feb$172lowJun$247highOct$150low
Mar$268highJul$236highNov$198medium
Apr$204mediumAug$182lowDec$257high

Some values are estimated based on seasonality.

When to fly

Weather in San Juan: it is warmest in August (up to 30 °C on average) and coolest in February (around 27 °C). The driest month is January.

Tickets are usually cheapest in September and most expensive in February. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · San Juan

Dry and wet days · San Juan

Wind speed and direction · San Juan

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How to get the best deal on a Philadelphia — San Juan ticket

  • Book ahead: fares for Philadelphia — San Juan are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Philadelphia is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to San Juan is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Philadelphia — San Juan route are operated by 4 airlines; Frontier Airlines runs the most flights (around 42% of all flights). Compare carriers, flight shares and schedules below.

  • Frontier AirlinesF9
    14x/week
    WebsiteFleet: 15329M pax/year
    • Direct flight PHL → SJU14x/week
      Duration
      4h 2m
      Days
      MTWTFSS
    42.4%Open →
  • American AirlinesAA
    8x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight PHL → SJU8x/week
      Duration
      4h 5m
      Days
      MTWTFSS
    25.3%Open →
  • Spirit AirlinesNK
    6x/week
    WebsiteFleet: 20544.1M pax/year
    • Direct flight PHL → SJU6x/week
      Duration
      3h 45m
      Days
      MTWTFSS
    18.2%Open →
  • JetBlueB6
    5x/week
    WebsiteFleet: 30742.5M pax/year
    • Direct flight PHL → SJU5x/week
      Duration
      3h 52m
      Days
      MTWTFSS
    14.1%Open →

Cities and airports on the Philadelphia — San Juan route

Flights Philadelphia — San Juan depart from Philadelphia International Airport and Trenton-Mercer Airport and arrive at Luis Muñoz Marín International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Philadelphia

PHL
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

San Juan

SJU
Puerto Rico
About the cityHow to get thereWeatherAll about the country Puerto Rico
Departure airports
Arrival airports

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Frequently asked questions about the Philadelphia — San Juan flight

How long is the flight from Philadelphia to San Juan?

A nonstop Philadelphia — San Juan flight takes about 3 h 52 min — the distance between the cities is around 2,543 km.

How far is it from Philadelphia to San Juan?

The distance from Philadelphia to San Juan is about 2,543 km, which a nonstop flight covers in around 3 h 52 min.

Are there direct flights from Philadelphia to San Juan?

Yes, there are nonstop flights Philadelphia — San Juan — around 99 flights per week.

Which airlines fly from Philadelphia to San Juan?

Airlines operating Philadelphia — San Juan include Frontier Airlines, American Airlines, Spirit Airlines, JetBlue. See the full list with schedules in the "Airlines" section on this page.

Which airports do Philadelphia — San Juan flights use?

Flights from Philadelphia depart from Philadelphia International Airport, Trenton-Mercer Airport, and arrive at Luis Muñoz Marín International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Philadelphia to San Juan?

The price of a Philadelphia — San Juan ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in February. Tickets typically cost between $76 and $323. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Philadelphia — San Juan?

Flights Philadelphia — San Juan are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Philadelphia to San Juan?

To catch a low fare Philadelphia — San Juan, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Philadelphia

See all
AtlantaChicagoBostonOrlandoFort LauderdaleMiamiTorontoDetroitCharlotteWashington, D.C.RaleighDallasLos AngelesPhoenixDenverMinneapolisPittsburghSeattleNashvilleMontrealColumbusClevelandTampaSan FranciscoIndianapolisNorfolkCincinnatiHoustonLas VegasHarrisburgJacksonvilleRichmondHartfordSouth PortlandAlbanyRochesterKansas CityCancunPunta CanaNorth Charleston

Where else you can fly from San Juan

See all
OrlandoNew York CityFort LauderdaleMiamiSanto DomingoPunta CanaAtlantaDallasCharlotte AmalieChicagoHoustonTampaWashington, D.C.BostonTortolaPanama CityHartfordMadridMedellínGustaviaCharlotteBogotaJacksonvilleSaint CroixMexico CityViequesSan AntonioDetroitRaleighTorontoDominicaClevelandVirgin GordaSan JoséCulebraSantiagoProvidenceMinneapolisMontrealThe Valley

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