PHL - SJU

Find cheap flights from Philadelphia to San Juan

1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Juan Luis Munoz Marin Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to San Juan, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to San Juan, as well as popular online travel agencies
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Everything you should know

Advice from real travellers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Frontier's Economy Bundle includes a free carry-on.
Use taxis or Uber for quick trips from SJU to Old San Juan.
Expert advice
Expert advice
Expert advice
Expert advice
Direct flights
Every day
You can fly direct with American Airlines, Frontier, and others. Average duration is 3h 50m
Direct flights
Direct flights
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+1
Direct flights
Direct flights
+1
Avoid delays
Spirit Airlines
Most punctual • 77% on-time
Morning flights
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to travel
October
Cheapest • 18% price drop
March
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Luis Munoz Marin Intl!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Philadelphia to Luis Munoz Marin Intl (PHL-SJU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Luis Munoz Marin Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Luis Munoz Marin Intl

Multiple Airlines Logo
PHL
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SJU
4090 kmmulti-stop
Multiple Airlines Logo
SJU
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PHL
4090 kmmulti-stop
Multiple Airlines
Booking Insights

KAYAK's insights & trends for Philadelphia to Luis Munoz Marin Intl flights

Get data-powered insights and trends into flights from Philadelphia to Luis Munoz Marin Intl to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Philadelphia to San Juan Luis Munoz Marin Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport is October, where tickets cost C$ 319 (return) on average. On the other hand, the most expensive months are December and November, where the average cost of round-trip tickets is C$ 580 and C$ 425 respectively.

Can I save money by flying with a layover from Philadelphia to San Juan Luis Munoz Marin Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 397 on average.

How far in advance should I book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 3 weeks before departure.

Expert advice

Expert advice for your flight from Philadelphia to Luis Munoz Marin Intl

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines and PHL

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Gabriel Leigh

Gabriel Leigh

Expert on SJU

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Good to know

Low seasonSeptember
Best time to beat the crowds (10% less expensive on average)
Most popular time to fly and prices are also 7% lower on average.

When to book flights from Philadelphia to Luis Munoz Marin Intl

Are your dates flexible? Find out the best times to travel from Philadelphia to Luis Munoz Marin Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Philadelphia to San Juan flights

  • Which airlines fly directly from Philadelphia to San Juan?

    There are different companies offering daily flights from Philadelphia to San Juan, including Spirit, United, and jetBlue, but Frontier and American Airlines offer non-stop flights between the two cities as well. Frontier flies out of Terminal 1, but American Airlines operates flights out of Terminals A-East, A-West, B, C, and F, so check your departure information beforehand.

  • Which airline should I choose?

    If you’re looking for cheaper prices, Frontier might be the best choice, but if you’d rather have greater comfort, American Airlines would be better. Frontier flight prices also often don’t include any luggage. JetBlue is the biggest operator at SJU, and, despite their flights always having layovers, the number of daily jetBlue flights is much higher than any other airline, which can provide more flexibility in terms of departing schedule.

  • Are there onsite airport hotels at San Juan Airport?

    Yes, the award-winning San Juan Airport Hotel can be found here - specifically in Terminal D at SJU. Check-in time is between 3 p.m. and 12 a.m., and check-out is until noon. There is free Wi-Fi in all the rooms and common areas, and a restaurant and bar are available too. Pets are welcome at the hotel.

  • What are my transportation options upon arrival to San Juan Airport?

    A taxi ride from SJU to downtown San Juan is about 20 minutes. The public AMA buses also handle the transportation of passengers from San Juan Airport to Old San Juan, Isla Verde, and Condado. While it’s the cheapest method of transportation, it is not advised to travelers carrying heavy luggage as it might not be allowed on board. They run from 5 a.m. to 8 p.m. on weekdays only and stop at the airport's departure level in Terminals A, D, and E. Otherwise, many visitors opt to rent a car.

  • Which airlines offer Wi-Fi service onboard planes from Philadelphia to San Juan?

    American Airlines, JetBlue, Delta, and Alaska Airlines offer inflight Wi-Fi service on the Philadelphia to San Juan flight route.

  • Which aircraft models fly most regularly from Philadelphia to San Juan?

    The Airbus A320-100/200 is the aircraft model that flies most regularly on the Philadelphia to San Juan flight route.

  • On which days can I fly direct from Philadelphia to San Juan?

    There are direct flights from Philadelphia to San Juan on a daily basis.

  • How does KAYAK find such low prices on flights from Philadelphia to San Juan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to San Juan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to San Juan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Philadelphia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to San Juan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Juan with an airline and back to Philadelphia with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to San Juan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport

  • Philadelphia International Airport (PHL) has seven different terminals. In order to navigate the rather large airport, there are free shuttle buses running from Terminal F (Gate F-14) to Gate C-16 in Terminal C (which also provides access to Terminals B and D) and Gate A-1 (which provides access to Terminals A-West and A-East).
  • Passengers who want to leave their car at PHL will find parking garages at all the different terminals (A-East, A-West, B, C, D, E, and F). International airlines operate from Terminal A-West, but different domestic airlines fly out of different terminals, so make sure you check your departure information before going to the airport – especially if you’re flying with American Airlines – so you know where exactly to leave your vehicle.
  • Luis Muñoz Marín International Airport (SJU), also known as just San Juan Airport, is located just three miles from the city center. U.S. citizens do not need passports or immunizations to travel in Puerto Rico.
  • If you want to grab a bite after landing at SJU, there are several restaurants throughout Terminals A, B, and C, including Gustos Café, Vienna Snack, and Mango's Village, just to name a few. There are also duty-free shops in these terminals, in case you want to take advantage of the lower prices of products at the airport.
  • If you wish to rent a car at SJU, there are several companies that you can head to, including Alamo and Budget. Onsite rental car companies are based on the first level of the Garage Parking area.

Prefer to fly direct from Philadelphia to San Juan?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Philadelphia to San Juan Luis Munoz Marin Intl.
Find which airlines fly direct from Philadelphia Airport to San Juan Luis Munoz Marin Intl Airport, which days they fly and book direct flights.

Direct departures

Philadelphia to San Juan Luis Munoz Marin Intl

Monday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Tuesday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Wednesday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Thursday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Friday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Saturday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Sunday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

See more nonstop flights

Direct returns

San Juan Luis Munoz Marin Intl to Philadelphia

Monday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Tuesday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Wednesday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Thursday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Friday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Saturday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

Sunday

American Airlines,Frontier,JetBlue, +1 more

American Airlines,Frontier, +2 more

See more nonstop flights

Reviews of the top airline flying from Philadelphia to Luis Munoz Marin Intl

 
See real verified KAYAK customer reviews for airlines flying from Philadelphia to San Juan. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Philadelphia to Luis Munoz Marin Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
5.7
FrontierOverall score based on 3045 reviews
4.6Food
6.6Crew
6.0Boarding
4.3Entertainment
5.5Comfort
Airline reviews

Gate not determined until I got to the airport - hard to plan the trip to the airport.

10.0 ExcellentDelia, Feb 2026
DFW - PHX
Read more Frontier reviews

Gate not determined until I got to the airport - hard to plan the trip to the airport.

Our flight was canceled. I will never use Kayak nor Frontier for travel again. The entire experience was a headache.

Frontier.. nickel and dime add-ons. Flight late, on time, late again, last minute gate change, arrival gate required a shuttle to the terminal. They sure keep you guessing.. if you like a little chaos and airport anxiety, this is the airline for you!

This is my second time flying with Frontier. My current experience was very favorable. The staff from the gate to the plane was friendly, warm and professional. The food options lacked in my opinion. This area needs some attention in my opinion.

First of all we hade waited 3 hours in the airplane waiting to leave. Second the return schedule was changed and it messed up my entire vaction. I won't buy never again another flight and recommend to nobody traveling with them.

There was no food and no entertainment, so I'm not sure why these are even in the survey, as my understanding is frontier does not ever offer food without a few, not even a snack, and there are no screens so unless the flight safety talk is our entertainment why ask how we liked it?. One of the flight attendants say in the back of the plane as people filed in to their seats, yelling orders about where to put baggage and telling people to hurry up. It was the least professional experience I've ever had on a flight.

Very well recently! Frontier is improving and less harrassing customer on luggages! Positive!

Good for a budget airline! It was easy to get on, staff was really nice. Can’t say anything about the food or entertainment because it wasn’t available, which is fine.

I am writing to express my disappointment with my recent Frontier Airlines flight. I was charged $99 at the gate because my bag was said to be too large, yet once onboard there was no available overhead bin space, and I was required to place the bag under the seat in front of me anyway. This made the charge feel unnecessary and unfair. Additionally, before the flight even took off, I was asked to move from the seat I paid for into a middle seat so another passenger and her cat could have my seat to themselves. I was not offered compensation or an explanation for being moved from a paid seat. Between the unexpected bag fee and being forced to give up my seat, this experience fell well below acceptable customer service standards. I would appreciate a review of this situation and appropriate compensation.

It was costly and difficult to check in. $85 to take a small suitcase with me, carry on or checked and $75 on the return trip, Plus $25 if I didn't check my self in check in $25, because I couldn't do it on the kiosk. Small very uncomfortable seats, waited on the runway for near an hour each way. It was my worst flight to date.

Everything you need to know for your flight from Philadelphia to Luis Munoz Marin Intl

Information on your arrival and departure airports