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Cheap flights from Philadelphia to San Juan from £94

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 15/12. 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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0 bags

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Multiple Airlines Logo
20:08 - 00:55PHL-SJU
3h 47mdirect
Multiple Airlines Logo
16:48 - 19:59SJU-PHL
4h 11mdirect
£167Multiple Airlines
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Mon, 24 Nov - Wed, 3 Dec
Multiple Airlines Logo
17:50 - 12:07PHL-SJU
17h 17m1 stop
Multiple Airlines Logo
16:48 - 19:59SJU-PHL
4h 11mdirect
£172Multiple Airlines
Find Deal
Mon, 24 Nov - Wed, 3 Dec
Frontier Logo
06:40 - 11:27PHL-SJU
3h 47mdirect
Frontier Logo
01:59 - 05:04SJU-PHL
4h 05mdirect
£173Frontier
Find Deal
Mon, 24 Nov - Tue, 2 Dec
Frontier Logo
17:50 - 12:07PHL-SJU
17h 17m1 stop
Frontier Logo
01:59 - 05:04SJU-PHL
4h 05mdirect
£180Frontier
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Mon, 24 Nov - Tue, 2 Dec
United Airlines Logo
10:15 - 22:22PHL-SJU
11h 07m2 stops
United Airlines Logo
02:05 - 17:39SJU-PHL
16h 34m2 stops
£188United Airlines
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Wed, 10 Dec - Fri, 12 Dec
JetBlue Logo
07:00 - 18:13PHL-SJU
10h 13m1 stop
JetBlue Logo
13:53 - 23:13SJU-PHL
10h 20m1 stop
£189JetBlue
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Wed, 3 Dec - Sat, 6 Dec
JetBlue Logo
12:30 - 20:03PHL-SJU
6h 33m1 stop
JetBlue Logo
06:01 - 15:37SJU-PHL
10h 36m1 stop
£193JetBlue
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Tue, 16 Dec - Mon, 22 Dec
United Airlines Logo
10:15 - 00:36PHL-SJU
13h 21m2 stops
United Airlines Logo
08:30 - 21:10SJU-PHL
13h 40m2 stops
£203United Airlines
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Sat, 6 Dec - Wed, 10 Dec
Southwest Logo
14:45 - 00:35PHL-SJU
8h 50m2 stops
Southwest Logo
15:55 - 21:40SJU-PHL
6h 45m1 stop
£237Southwest
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Tue, 2 Dec - Thu, 4 Dec
Southwest Logo
12:05 - 00:35PHL-SJU
11h 30m2 stops
Southwest Logo
06:40 - 17:20SJU-PHL
11h 40m2 stops
£252Southwest
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Tue, 2 Dec - Tue, 9 Dec

JetBlue flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport

Our best JetBlue deals on Philadelphia to San Juan Luis Munoz Marin Intl Airport flight tickets
JetBlue
3 Dec
PHL07:00Philadelphia
10h 13m
1 stop
SJU18:13San Juan Luis Munoz Marin Intl
6 Dec
SJU13:53San Juan Luis Munoz Marin Intl
10h 20m
1 stop
PHL23:13Philadelphia
£189
Find similar
JetBlue
16 Dec
PHL12:30Philadelphia
6h 33m
1 stop
SJU20:03San Juan Luis Munoz Marin Intl
22 Dec
SJU06:01San Juan Luis Munoz Marin Intl
10h 36m
1 stop
PHL15:37Philadelphia
£193
Find similar
JetBlue
16 Dec
PHL12:30Philadelphia
6h 33m
1 stop
SJU20:03San Juan Luis Munoz Marin Intl
20 Dec
SJU17:18San Juan Luis Munoz Marin Intl
6h 31m
1 stop
PHL22:49Philadelphia
£197
Find similar

United Airlines flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Philadelphia to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
10 Dec
PHL10:15Philadelphia
11h 07m
2 stops
SJU22:22San Juan Luis Munoz Marin Intl
12 Dec
SJU02:05San Juan Luis Munoz Marin Intl
16h 34m
2 stops
PHL17:39Philadelphia
£188
Find similar
United Airlines
6 Dec
PHL10:15Philadelphia
13h 21m
2 stops
SJU00:36San Juan Luis Munoz Marin Intl
10 Dec
SJU08:30San Juan Luis Munoz Marin Intl
13h 40m
2 stops
PHL21:10Philadelphia
£203
Find similar
United Airlines
9 Dec
PHL10:15Philadelphia
11h 07m
2 stops
SJU22:22San Juan Luis Munoz Marin Intl
16 Dec
SJU08:30San Juan Luis Munoz Marin Intl
6h 38m
1 stop
PHL14:08Philadelphia
£205
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momondo Fare Finder

 
Customise your flight search to find flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 4 November 2025.
Use the filters below to find and compare flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 24/11

20:08-00:55

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Wed 3/12

16:48-19:59

Nonstop4h 11m

£167

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 24/11

17:50-12:07

1 stop17h 17m

San Juan Luis Munoz Marin Intl

Wed 3/12

16:48-19:59

Nonstop4h 11m

£172

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 24/11

06:40-11:27

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Tue 2/12

01:59-05:04

Nonstop4h 05m

£173

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 24/11

17:50-12:07

1 stop17h 17m

San Juan Luis Munoz Marin Intl

Tue 2/12

01:59-05:04

Nonstop4h 05m

£180

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 10/12

10:15-22:22

2 stops11h 07m

San Juan Luis Munoz Marin Intl

Fri 12/12

02:05-17:39

2 stops16h 34m

£188

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 3/12

07:00-18:13

1 stop10h 13m

San Juan Luis Munoz Marin Intl

Sat 6/12

13:53-23:13

1 stop10h 20m

£189

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 16/12

12:30-20:03

1 stop6h 33m

San Juan Luis Munoz Marin Intl

Mon 22/12

06:01-15:37

1 stop10h 36m

£193

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sat 6/12

10:15-00:36

2 stops13h 21m

San Juan Luis Munoz Marin Intl

Wed 10/12

08:30-21:10

2 stops13h 40m

£203

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 2/12

14:45-00:35

2 stops8h 50m

San Juan Luis Munoz Marin Intl

Thu 4/12

15:55-21:40

1 stop6h 45m

£237

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 2/12

12:05-00:35

2 stops11h 30m

San Juan Luis Munoz Marin Intl

Tue 9/12

06:40-17:20

2 stops11h 40m

£252

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 during the month of October, then book flights to San Juan Luis Munoz Marin Intl Airport from Philadelphia during May instead. Flights to San Juan Luis Munoz Marin Intl Airport in May, while not as cheap as those in October, still average around £189.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest day to depart from Philadelphia to San Juan Luis Munoz Marin Intl Airport is on a Thursday when prices can be found for as low as £188. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to San Juan Luis Munoz Marin Intl Airport for around £249.

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 weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around £213 when searching weeks before you fly. 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 £186 on momondo.

What cabin class options are available on Philadelphia to San Juan Luis Munoz Marin Intl flights?

There is only 1 cabin class 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.

How have Philadelphia to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of November 2025, prices for Philadelphia to San Juan Luis Munoz Marin Intl Airport flights are approximately 29% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

Fastest flight time

3h 46m

Direct flights

Tue, Wed, Thu and Fri
The fastest flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport takes 3h 46m
Direct flights go from Philadelphia to San Juan Luis Munoz Marin Intl Airport on Tuesday, Wednesday, Thursday and Friday. There are no airlines offering direct flights..
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  • 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 47m, 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 refresh daily.

  • How many operators does momondo search for flights from Philadelphia Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Philadelphia Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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?

  • What is the most popular airline from Philadelphia to San Juan Luis Munoz Marin Intl Airport?

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
American AirlinesPriceFrom £186Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights

  • American Airlines Flights From Philadelphia to San Juan Luis Munoz Marin Intl Airport

    American Airlines operates around 14 flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport every week. The average price of these flights found in the last 72 hours has been £188, but momondo users have found American Airlines deals from Philadelphia to San Juan Luis Munoz Marin Intl Airport from as low as £186 round-trip. American Airlines has been scored 7.2/10 in 11,038 reviews.

Travelling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Rio Grande
Carolina
Fajardo
Dorado

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 all potential Philadelphia to San Juan flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Philadelphia to San Juan right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Philadelphia to San Juan now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Juan and let you know when they change.

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Philadelphia flight routes

According to popular flight searches on momondo this year
Flights from Philadelphia to London Heathrow