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Cheap flights from Philadelphia to San Juan from $83

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 11/25. 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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Cheap round-trip flights

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Multiple Airlines Logo
10:00 am - 11:44 pmPHL-SJU
12h 44m1 stop
Multiple Airlines Logo
4:10 am - 2:44 pmSJU-PHL
11h 34m1 stop
$179Multiple Airlines
Find Deal
Tue, Nov 25 - Mon, Dec 8
Spirit Airlines Logo
6:15 am - 12:24 amPHL-SJU
17h 09m1 stop
Spirit Airlines Logo
4:48 pm - 7:59 pmSJU-PHL
4h 11mnonstop
$180Spirit Airlines
Find Deal
Sat, Nov 22 - Mon, Nov 24
Multiple Airlines Logo
11:03 am - 3:53 pmPHL-SJU
3h 50mnonstop
Multiple Airlines Logo
9:30 pm - 8:53 amSJU-PHL
12h 23m1 stop
$181Multiple Airlines
Find Deal
Mon, Nov 24 - Thu, Nov 27
Frontier Logo
8:08 pm - 12:55 amPHL-SJU
3h 47mnonstop
Frontier Logo
9:30 pm - 12:51 amSJU-PHL
28h 21m1 stop
$182Frontier
Find Deal
Fri, Nov 21 - Mon, Nov 24
Frontier Logo
7:40 am - 11:29 pmPHL-SJU
14h 49m1 stop
Frontier Logo
2:25 am - 5:32 amSJU-PHL
4h 07mnonstop
$183Frontier
Find Deal
Sat, Nov 22 - Sun, Nov 23
Frontier Logo
8:08 pm - 12:55 amPHL-SJU
3h 47mnonstop
Frontier Logo
9:06 pm - 12:11 amSJU-PHL
4h 05mnonstop
$184Frontier
Find Deal
Fri, Nov 28 - Sun, Dec 21
Multiple Airlines Logo
1:30 pm - 9:50 pmPHL-SJU
7h 20m1 stop
Multiple Airlines Logo
9:06 pm - 12:11 amSJU-PHL
4h 05mnonstop
$185Multiple Airlines
Find Deal
Fri, Nov 28 - Sun, Dec 21
Multiple Airlines Logo
5:15 am - 12:32 pmPHL-SJU
6h 17m1 stop
Multiple Airlines Logo
10:09 pm - 1:14 amSJU-PHL
4h 05mnonstop
$186Multiple Airlines
Find Deal
Sat, Dec 13 - Sat, Dec 20
American Airlines Logo
6:55 pm - 11:52 pmPHL-SJU
3h 57mnonstop
American Airlines Logo
4:50 pm - 8:04 pmSJU-PHL
4h 14mnonstop
$217American Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 10
United Airlines Logo
6:30 am - 9:26 pmPHL-SJU
13h 56m2 stops
United Airlines Logo
2:05 am - 2:31 pmSJU-PHL
13h 26m2 stops
$223United Airlines
Find Deal
Wed, Feb 4 - Fri, Feb 6

Frontier flights from Philadelphia to San Juan

Our best Frontier deals on Philadelphia to San Juan flight tickets
Frontier
Nov 21
PHL8:08 pmPhiladelphia
3h 47m
SJU12:55 amSan Juan Luis Munoz Marin Intl
Nov 24
SJU9:30 pmSan Juan Luis Munoz Marin Intl
28h 21m
1 stop
PHL12:51 amPhiladelphia
$182
Find similar
Frontier
Nov 28
PHL8:08 pmPhiladelphia
3h 47m
SJU12:55 amSan Juan Luis Munoz Marin Intl
Dec 21
SJU9:06 pmSan Juan Luis Munoz Marin Intl
4h 05m
PHL12:11 amPhiladelphia
$184
Find similar
Frontier
Nov 22
PHL7:40 amPhiladelphia
14h 49m
1 stop
SJU11:29 pmSan Juan Luis Munoz Marin Intl
Nov 23
SJU2:25 amSan Juan Luis Munoz Marin Intl
4h 07m
PHL5:32 amPhiladelphia
$187
Find similar

Spirit Airlines flights from Philadelphia to San Juan

Our best Spirit Airlines deals on Philadelphia to San Juan flight tickets
Spirit Airlines
Nov 22
PHL6:15 amPhiladelphia
17h 09m
1 stop
SJU12:24 amSan Juan Luis Munoz Marin Intl
Nov 24
SJU4:48 pmSan Juan Luis Munoz Marin Intl
4h 11m
PHL7:59 pmPhiladelphia
$180
Find similar
Spirit Airlines
Nov 27
PHL5:25 amPhiladelphia
14h 02m
1 stop
SJU8:27 pmSan Juan Luis Munoz Marin Intl
Dec 5
SJU6:59 pmSan Juan Luis Munoz Marin Intl
4h 10m
PHL10:09 pmPhiladelphia
$193
Find similar
Spirit Airlines
Nov 24
PHL5:25 amPhiladelphia
14h 02m
1 stop
SJU8:27 pmSan Juan Luis Munoz Marin Intl
Dec 6
SJU5:00 pmSan Juan Luis Munoz Marin Intl
17h 17m
2 stops
PHL9:17 amPhiladelphia
$197
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to San Juan 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 832,500 searches. Data last updated November 11, 2025.
Use the filters below to find and compare flights from Philadelphia to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 11/25

10:00 am-11:44 pm

1 stop12h 44m

San Juan Luis Munoz Marin Intl

Mon 12/8

4:10 am-2:44 pm

1 stop11h 34m

$179

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sat 11/22

6:15 am-12:24 am

1 stop17h 09m

San Juan Luis Munoz Marin Intl

Mon 11/24

4:48 pm-7:59 pm

Nonstop4h 11m

$180

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 11/24

11:03 am-3:53 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Thu 11/27

9:30 pm-8:53 am

1 stop12h 23m

$181

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 11/21

8:08 pm-12:55 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Mon 11/24

9:30 pm-12:51 am

1 stop28h 21m

$182

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sat 11/22

7:40 am-11:29 pm

1 stop14h 49m

San Juan Luis Munoz Marin Intl

Sun 11/23

2:25 am-5:32 am

Nonstop4h 07m

$183

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 11/28

8:08 pm-12:55 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Sun 12/21

9:06 pm-12:11 am

Nonstop4h 05m

$184

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 11/28

1:30 pm-9:50 pm

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Sun 12/21

9:06 pm-12:11 am

Nonstop4h 05m

$185

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sat 12/13

5:15 am-12:32 pm

1 stop6h 17m

San Juan Luis Munoz Marin Intl

Sat 12/20

10:09 pm-1:14 am

Nonstop4h 05m

$186

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 12/8

6:55 pm-11:52 pm

Nonstop3h 57m

San Juan Luis Munoz Marin Intl

Wed 12/10

4:50 pm-8:04 pm

Nonstop4h 14m

$217

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 2/4

6:30 am-9:26 pm

2 stops13h 56m

San Juan Luis Munoz Marin Intl

Fri 2/6

2:05 am-2:31 pm

2 stops13h 26m

$223

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

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 typical price of a round-trip flight between Philadelphia and San Juan?

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in October, then May is your next best option. Flight prices from Philadelphia to San Juan during May average around $248.

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 $283. The most expensive day to fly to San Juan is Thursday, with ticket prices averaging around $311.

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 $281. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $372 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 $282 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 $248 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.

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

Fastest flight time

3h 40m

Direct flights

Every day

Airports in San Juan

1 airport
The fastest flight from Philadelphia to San Juan takes 3h 40m
Direct flights go from Philadelphia to San Juan every day.
There is 1 airport near San Juan: San Juan Luis Munoz Marin Intl (SJU)
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  • 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 40m.

  • 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?

  • 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
Avelo AirlinesPriceFrom $100Free CancellationRating
7.5
82 reviews
Search Avelo Airlines flights
Spirit AirlinesPriceFrom $130Free CancellationRating
6.3
8,136 reviews
Search Spirit Airlines flights
FrontierPriceFrom $148Free CancellationRating
5.8
3,113 reviews
Search Frontier flights
SouthwestPriceFrom $213Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
DeltaPriceFrom $215Free CancellationRating
7.9
8,006 reviews
Search Delta flights
American AirlinesPriceFrom $244Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
JetBluePriceFrom $289Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
United AirlinesPriceFrom $420Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights

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.

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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Isla Grande Airport
San Juan Luis Munoz Marin Intl Airport