Cheap flights from Philadelphia to San Juan from $54
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to San Juan departing on 7/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport
Our best Spirit Airlines deals on Philadelphia to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport
Our best Frontier deals on Philadelphia to San Juan Luis Munoz Marin Intl Airport flight tickets
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How to get the cheapest flight ticket from Philadelphia to San Juan Luis Munoz Marin Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?
If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $233.
What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?
On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Philadelphia is on a Monday. momondo users have found tickets for Monday departures for as low as $275. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $309.
What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?
The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the evening when flights can be purchased for as low as $275. Flights at noon are often more expensive with an average ticket price of $343.
What is the cheapest Philadelphia to San Juan Luis Munoz Marin Intl flight route?
Fly from Philadelphia to San Juan Luis Munoz Marin Intl for the best Philadelphia - San Juan Luis Munoz Marin Intl flight prices
How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?
You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Philadelphia when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $273 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Philadelphia for as low as $246 on momondo.
What cabin class options are available on Philadelphia to San Juan Luis Munoz Marin Intl flights?
There are 4 cabin classes available to choose from on Philadelphia to San Juan Luis Munoz Marin Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Philadelphia to San Juan Luis Munoz Marin Intl?
Spirit Airlines, Frontier, and Southwest are the most popular carriers operating from Philadelphia to San Juan Luis Munoz Marin Intl
What airlines fly to San Juan Luis Munoz Marin Intl Airport?
Frontier, JetBlue and United Airlines are the top three most popular airlines that fly to San Juan Luis Munoz Marin Intl Airport from Philadelphia according to our data. Frontier is the first choice among our users, with 63% of people opting to fly with this airline when traveling to San Juan Luis Munoz Marin Intl Airport. Keep in mind that there are 8 different airlines that fly to San Juan Luis Munoz Marin Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Philadelphia to San Juan Luis Munoz Marin Intl Airport on average per day?
As of June 2025, 4 flights take off from Philadelphia and land in San Juan Luis Munoz Marin Intl Airport each day. The most common flight departure time for this route is 6:00PM, with 68% of daily flights taking off in the evening.
How many flights depart from Philadelphia to San Juan Luis Munoz Marin Intl Airport on average per week?
The number of flights available between Philadelphia and San Juan Luis Munoz Marin Intl Airport is 32 per week as of June 2025. The most frequent departure day is Tue, with 16% of weekly flights leaving on this day.
When to book flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport
Cheap Philadelphia to San Juan Luis Munoz Marin Intl Airport (PHL to SJU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport
How far is Philadelphia to San Juan Luis Munoz Marin Intl by plane?
A flight from Philadelphia to San Juan Luis Munoz Marin Intl will travel around 1582.4 mi. Flights usually cover this in 3h 43m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Philadelphia Airport to San Juan Luis Munoz Marin Intl Airport?
Prices for flights from Philadelphia Airport to San Juan Luis Munoz Marin Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Philadelphia Airport to San Juan Luis Munoz Marin Intl Airport?
The number of operators available for flights from Philadelphia Airport to San Juan Luis Munoz Marin Intl Airport is 8 as of June 2025.
How old do you have to be to fly from Philadelphia Airport to San Juan Luis Munoz Marin Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to San Juan Luis Munoz Marin Intl Airport.
What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?
The travel and health documents required for your trip to San Juan Luis Munoz Marin Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Philadelphia to San Juan Luis Munoz Marin Intl Airport is Airbus A321neo, representing 39.46% of all bookings. The subsequent popular models are Airbus A321-100/200 at 19.95%, Airbus A320neo at 15.84%, and Airbus A320 (sharklets) at 15.80%.
What is the most popular airline from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to San Juan Luis Munoz Marin Intl Airport is Frontier (67% of total bookings). The next most popular airlines are American Airlines (18%), Spirit Airlines (14%), and Delta (1%).
Best airlines flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport
Compare and see reviews for airlines that fly from Philadelphia to San Juan Luis Munoz Marin Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $99 | Free Cancellation | Rating 7.5 75 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $148 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $253 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $254 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $338 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $389 | Free Cancellation | Rating 8.0 4,287 reviews |
American Airlines Flights From Philadelphia to San Juan Luis Munoz Marin Intl Airport
American Airlines flight deals from Philadelphia to San Juan Luis Munoz Marin Intl Airport start from $253 round-trip. Over the 7 American Airlines flights for this route in a normal week, average airfare is usually $452 round-trip - but some users have found much cheaper deals with momondo.
Frontier Flights From Philadelphia to San Juan Luis Munoz Marin Intl Airport
Frontier is also a popular choice for this route. Frontier flight deals for Philadelphia to San Juan Luis Munoz Marin Intl Airport start from as low as $148 round-trip, depending on your selected dates, with average Frontier deals seen on momondo around $277. Frontier operates 11 flights to San Juan Luis Munoz Marin Intl Airport from Philadelphia in an average week. Users have rated it 5.9/10 across 3,295 reviews.
Traveling to a place near San Juan?
Book flights to San Juan if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Philadelphia to San Juan?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from Philadelphia.
Can I find flights from Philadelphia to San Juan with flexible booking policies on momondo?
Yes. All flights to San Juan from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Philadelphia to San Juan?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Juan from Philadelphia.
I’m not ready to book a flight from Philadelphia to San Juan right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Philadelphia to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.