Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to San Juan from $85

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 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Philadelphia to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:46 am - 11:56 pmPHL-SJU
12h 10m1 stop
Frontier Logo
1:59 am - 5:04 amSJU-PHL
4h 05mnonstop
$192Frontier
Find Deal
Mon, Dec 15 - Thu, Dec 25
Frontier Logo
3:08 pm - 7:55 pmPHL-SJU
3h 47mnonstop
Frontier Logo
3:55 am - 12:40 amSJU-PHL
21h 45m1 stop
$193Frontier
Find Deal
Mon, Feb 16 - Sun, Feb 22
Spirit Airlines Logo
8:00 am - 3:35 pmPHL-SJU
6h 35m1 stop
Spirit Airlines Logo
2:59 am - 6:11 amSJU-PHL
4h 12mnonstop
$194Spirit Airlines
Find Deal
Fri, Feb 6 - Sun, Feb 8
Frontier Logo
6:00 am - 10:50 pmPHL-SJU
15h 50m1 stop
Frontier Logo
3:06 pm - 12:51 amSJU-PHL
9h 45m1 stop
$195Frontier
Find Deal
Fri, Mar 6 - Tue, Mar 10
Frontier Logo
4:00 pm - 9:55 amPHL-SJU
16h 55m1 stop
Frontier Logo
9:37 pm - 10:31 amSJU-PHL
13h 54m1 stop
$196Frontier
Find Deal
Wed, Dec 10 - Thu, Dec 18
Frontier Logo
3:08 pm - 7:55 pmPHL-SJU
3h 47mnonstop
Frontier Logo
3:06 pm - 12:51 amSJU-PHL
9h 45m1 stop
$197Frontier
Find Deal
Fri, Mar 6 - Tue, Mar 10
Spirit Airlines Logo
10:22 am - 7:50 pmPHL-SJU
8h 28m1 stop
Spirit Airlines Logo
6:59 pm - 10:09 pmSJU-PHL
4h 10mnonstop
$198Spirit Airlines
Find Deal
Thu, Dec 11 - Sun, Dec 14
Spirit Airlines Logo
6:53 pm - 12:32 pmPHL-SJU
16h 39m1 stop
Spirit Airlines Logo
11:38 am - 9:07 amSJU-PHL
22h 29m2 stops
$199Spirit Airlines
Find Deal
Sun, Dec 14 - Thu, Dec 18
Frontier Logo
5:35 am - 3:11 pmPHL-SJU
8h 36m1 stop
Frontier Logo
4:31 pm - 12:41 amSJU-PHL
9h 10m1 stop
$200Frontier
Find Deal
Mon, Dec 8 - Sat, Dec 13
Frontier Logo
4:21 pm - 2:50 amPHL-SJU
9h 29m1 stop
Frontier Logo
10:42 am - 6:38 pmSJU-PHL
8h 56m1 stop
$201Frontier
Find Deal
Thu, Dec 11 - Mon, Dec 15

Spirit Airlines flights from Philadelphia to San Juan

Our best Spirit Airlines deals on Philadelphia to San Juan flight tickets
Spirit Airlines
Feb 6
PHL8:00 amPhiladelphia
6h 35m
1 stop
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Feb 8
SJU2:59 amSan Juan Luis Munoz Marin Intl
4h 12m
PHL6:11 amPhiladelphia
$194
Find similar
Spirit Airlines
Dec 11
PHL10:22 amPhiladelphia
8h 28m
1 stop
SJU7:50 pmSan Juan Luis Munoz Marin Intl
Dec 14
SJU6:59 pmSan Juan Luis Munoz Marin Intl
4h 10m
PHL10:09 pmPhiladelphia
$198
Find similar
Spirit Airlines
Dec 14
PHL6:53 pmPhiladelphia
16h 39m
1 stop
SJU12:32 pmSan Juan Luis Munoz Marin Intl
Dec 18
SJU11:38 amSan Juan Luis Munoz Marin Intl
22h 29m
2 stops
PHL9:07 amPhiladelphia
$199
Find similar

Frontier flights from Philadelphia to San Juan

Our best Frontier deals on Philadelphia to San Juan flight tickets
Frontier
Dec 15
PHL10:46 amPhiladelphia
12h 10m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Dec 25
SJU1:59 amSan Juan Luis Munoz Marin Intl
4h 05m
PHL5:04 amPhiladelphia
$192
Find similar
Frontier
Feb 16
PHL8:37 pmPhiladelphia
3h 47m
SJU1:24 amSan Juan Luis Munoz Marin Intl
Feb 23
SJU4:11 pmSan Juan Luis Munoz Marin Intl
9h 40m
1 stop
PHL12:51 amPhiladelphia
$193
Find similar
Frontier
Dec 4
PHL8:02 pmPhiladelphia
3h 47m
SJU12:49 amSan Juan Luis Munoz Marin Intl
Dec 11
SJU4:31 pmSan Juan Luis Munoz Marin Intl
9h 20m
1 stop
PHL12:51 amPhiladelphia
$194
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 26, 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

Mon 12/15

10:46 am-11:56 pm

1 stop12h 10m

San Juan Luis Munoz Marin Intl

Thu 12/25

1:59 am-5:04 am

Nonstop4h 05m

$192

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 2/16

3:08 pm-7:55 pm

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Sun 2/22

3:55 am-12:40 am

1 stop21h 45m

$193

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 2/6

8:00 am-3:35 pm

1 stop6h 35m

San Juan Luis Munoz Marin Intl

Sun 2/8

2:59 am-6:11 am

Nonstop4h 12m

$194

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 3/6

6:00 am-10:50 pm

1 stop15h 50m

San Juan Luis Munoz Marin Intl

Tue 3/10

3:06 pm-12:51 am

1 stop9h 45m

$195

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Wed 12/10

4:00 pm-9:55 am

1 stop16h 55m

San Juan Luis Munoz Marin Intl

Thu 12/18

9:37 pm-10:31 am

1 stop13h 54m

$196

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Fri 3/6

3:08 pm-7:55 pm

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Tue 3/10

3:06 pm-12:51 am

1 stop9h 45m

$197

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Thu 12/11

10:22 am-7:50 pm

1 stop8h 28m

San Juan Luis Munoz Marin Intl

Sun 12/14

6:59 pm-10:09 pm

Nonstop4h 10m

$198

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Sun 12/14

6:53 pm-12:32 pm

1 stop16h 39m

San Juan Luis Munoz Marin Intl

Thu 12/18

11:38 am-9:07 am

2 stops22h 29m

$199

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Mon 12/8

5:35 am-3:11 pm

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Sat 12/13

4:31 pm-12:41 am

1 stop9h 10m

$200

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Thu 12/11

4:21 pm-2:50 am

1 stop9h 29m

San Juan Luis Munoz Marin Intl

Mon 12/15

10:42 am-6:38 pm

1 stop8h 56m

$201

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 $283. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $387 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 4 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)
Search flight deals

  • 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 39m.

  • 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
7.6
83 reviews
Search Avelo Airlines flights
Spirit AirlinesPriceFrom $130Free CancellationRating
6.3
8,158 reviews
Search Spirit Airlines flights
FrontierPriceFrom $149Free CancellationRating
5.8
3,100 reviews
Search Frontier flights
SouthwestPriceFrom $213Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
DeltaPriceFrom $215Free CancellationRating
7.9
7,998 reviews
Search Delta flights
American AirlinesPriceFrom $243Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
JetBluePriceFrom $289Free CancellationRating
7.2
2,905 reviews
Search JetBlue flights
United AirlinesPriceFrom $420Free CancellationRating
7.4
9,046 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.

An easier way to manage your San Juan trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/26
Fri 1/2
By creating a price alert you accept our terms of use and privacy policy.

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