Cheap flights from Philadelphia to San Juan from $65
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 9/4. 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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Frontier flights from Philadelphia to San Juan
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Spirit Airlines flights from Philadelphia to San Juan
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How to get the cheapest flight ticket from Philadelphia to San Juan
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?
If you’re not able to fly to San Juan in October, then September is your next best option. Flight prices from Philadelphia to San Juan during September average around $228.
What is the cheapest day to depart on your flight to San Juan?
The cheapest day to depart from Philadelphia to San Juan is on a Monday when prices can be found for as low as $271. The most expensive day to fly to San Juan is Friday, with ticket prices averaging around $309.
What is the cheapest time of day to depart on your flight to San Juan?
The cheapest time of day to fly to San Juan is in the evening when flights can be purchased for as low as $275. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $357 on average. Flights to San Juan from Philadelphia at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Philadelphia to San Juan flight route?
Fly from Philadelphia to San Juan Luis Munoz Marin Intl for the best Philadelphia - San Juan flight prices
How far in advance should I book a flight to San Juan?
You are more likely to see cheaper flights to San Juan from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $272 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Philadelphia for as low as $245 on momondo.
What cabin class options are available on Philadelphia to San Juan flights?
There are 3 cabin classes available to choose from on Philadelphia to San Juan 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?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Philadelphia to San Juan
What airlines fly to San Juan?
Frontier, JetBlue and United Airlines are the top three most popular airlines that fly to San Juan from Philadelphia according to our data. Frontier is the first choice among our users, with 64% of people opting to fly with this airline when traveling to San Juan. Keep in mind that there are 8 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.
How many flights depart from Philadelphia to San Juan on average per day?
As of July 2025, there are 4 flights per day flying from Philadelphia to San Juan. The most common time of day flights depart is 6:00PM, with 63% of flights taking off in the evening.
How many flights depart from Philadelphia to San Juan on average per week?
34 flights are operational weekly from Philadelphia to San Juan as of July 2025. The most popular departure day for this route is Mon, with 21% of flights per week taking off on this day.
Cheap Philadelphia to San Juan flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to San Juan
How far is Philadelphia to San Juan by plane?
A flight from Philadelphia to San Juan will travel around 1578.5 mi. A reasonable flight in good conditions will take 3h 45m.
When did momondo last update prices for flights from Philadelphia Airport to San Juan?
Prices for flights from Philadelphia Airport to San Juan refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to San Juan?
As of July 2025, there are 8 operators available to choose from for flights from Philadelphia Airport to San Juan.
How old do you have to be to fly from Philadelphia Airport to San Juan?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to San Juan.
What documentation or ID do you need to fly to San Juan?
The travel and health documents you'll need for your trip to San Juan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Juan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Philadelphia to San Juan
Compare and see reviews for airlines that fly from Philadelphia to San Juan with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $99 | Free Cancellation | Rating 7.4 76 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 6.3 8,103 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 5.9 3,291 reviews | |||
| PriceFrom $217 | Free Cancellation | Rating 8.0 7,975 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 7.3 2,918 reviews | |||
| PriceFrom $250 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $338 | Free Cancellation | Rating 7.4 8,858 reviews | |||
| PriceFrom $389 | Free Cancellation | Rating 8.0 4,272 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Philadelphia to San Juan?
It is quick and easy to find Philadelphia to San Juan flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Juan that suits you.
Can I find flights from Philadelphia to San Juan with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Juan from Philadelphia with this policy.
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?
Price alerts on flights to San Juan from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.