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San Juan

$99+ Cheap flights from New Jersey to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
1 adult, Economy
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Cheap flight deals from New Jersey to San Juan

Cheapest flights from New Jersey to San Juan
Explore the most affordable flight options available from New Jersey to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:23 am
PHL
-
SJU
Nonstop3h 56m
Frontier
Thu 9/174:39 pm
SJU
-
PHL
1 stop26h 45m
Frontier
Deal found 7/22$209
This Cheapflightsfares deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:59 pm
PHL
-
SJU
Nonstop4h 00m
Frontier
Thu 9/37:55 pm
SJU
-
PHL
Nonstop4h 04m
Frontier
Deal found 7/22$210
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:23 am
PHL
-
SJU
Nonstop3h 56m
Frontier
Sun 9/204:39 pm
SJU
-
PHL
2 stops38h 57m
Frontier
Deal found 7/21$211
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:45 pm
PHL
-
SJU
2 stops32h 11m
Frontier
Thu 8/276:44 am
SJU
-
PHL
Nonstop4h 04m
Frontier
Deal found 7/21$212
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:23 am
PHL
-
SJU
Nonstop3h 56m
Frontier
Mon 9/144:39 pm
SJU
-
PHL
2 stops20h 33m
Frontier
Deal found 7/20$213
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:25 am
PHL
-
SJU
2 stops18h 16m
Frontier
Wed 8/195:50 pm
SJU
-
PHL
Nonstop4h 04m
Frontier
Deal found 7/21$215
This Frontier deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:15 am
PHL
-
SJU
Nonstop4h 04m
Frontier
Fri 9/116:15 am
SJU
-
PHL
Nonstop4h 03m
Frontier
Deal found 7/18$216
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:55 am
PHL
-
SJU
Nonstop4h 02m
Frontier
Thu 8/206:44 am
SJU
-
PHL
Nonstop4h 04m
Frontier
Deal found 7/20$217
This Super.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:59 pm
PHL
-
SJU
Nonstop4h 00m
Frontier
Wed 8/56:44 am
SJU
-
PHL
Nonstop4h 04m
Frontier
Deal found 7/19$218
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:59 pm
PHL
-
SJU
Nonstop4h 00m
Frontier
Thu 8/206:44 am
SJU
-
PHL
Nonstop4h 04m
Frontier
Deal found 7/21$219
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:47 pm
PHL
-
SJU
Nonstop4h 03m
Frontier
Thu 10/15:12 pm
SJU
-
PHL
2 stops14h 24m
Frontier
Deal found 7/21$220
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:18 pm
TTN
-
SJU
1 stop7h 16m
Multiple Airlines
Wed 9/95:12 pm
SJU
-
TTN
1 stop18h 11m
Multiple Airlines
Deal found 7/21$233

Find flight deals from New Jersey to San Juan

Keep the following information in mind while searching for New Jersey to San Juan flight deals. Data was last updated July 22, 2026.

Round-trip from

$209
(Kiwi.com)

One-way from

$99
(Cheapflightsfares)

Popular in

July

Cheapest in

October

Average price

$389
From New Jersey to San Juan
Search Deals
One-way flight from New Jersey to San Juan
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Jersey 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, Cheapflights users made 2,558,603 searches. Data last updated July 22, 2026.
Use the filters below to find and compare flights from New Jersey to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkSan Juan

JFK - SJU

JFKSJU

New York John F Kennedy Intl

Tue 10/13

8:00 am-11:56 am

Nonstop3h 56m

San Juan Luis Munoz Marin Intl

Tue 10/20

1:06 pm-5:21 pm

Nonstop4h 15m

$287
Quickest round-trip

New YorkSan Juan

JFK - SJU

JFKSJU

New York John F Kennedy Intl

Sat 9/5

12:40 pm-4:33 pm

Nonstop3h 53m

San Juan Luis Munoz Marin Intl

Sat 9/12

7:30 am-11:23 am

Nonstop3h 53m

$287

New YorkSan Juan

JFK - SJU

JFKSJU

New York John F Kennedy Intl

Thu 10/22

8:00 am-11:56 am

Nonstop3h 56m

San Juan Luis Munoz Marin Intl

Sun 10/25

7:00 am-11:02 am

Nonstop4h 02m

$287

Atlantic CitySan Juan

ACY - SJU

ACYSJU

Atlantic City

Fri 9/11

11:55 am-11:38 pm

1 stop11h 43m

San Juan Luis Munoz Marin Intl

Sun 9/13

5:12 pm-11:35 am

1 stop18h 23m

$293

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 8/17

9:55 pm-2:00 am

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Thu 8/20

9:30 pm-1:32 am

Nonstop4h 02m

$297

New YorkSan Juan

JFK - SJU

JFKSJU

New York John F Kennedy Intl

Mon 10/19

7:30 am-11:28 am

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Wed 10/21

4:30 pm-11:53 pm

1 stop7h 23m

$308

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 10/23

7:47 pm-11:50 pm

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Mon 10/26

1:35 pm-5:53 pm

Nonstop4h 18m

$317

New YorkSan Juan

JFK - SJU

JFKSJU

New York John F Kennedy Intl

Mon 8/17

8:00 pm-12:13 am

Nonstop4h 13m

San Juan Luis Munoz Marin Intl

Sat 8/22

5:01 am-8:54 am

Nonstop3h 53m

$317

New YorkSan Juan

JFK - SJU

JFKSJU

New York John F Kennedy Intl

Mon 8/17

6:30 pm-10:46 pm

Nonstop4h 16m

San Juan Luis Munoz Marin Intl

Thu 8/20

5:01 am-8:54 am

Nonstop3h 53m

$317

New YorkSan Juan

JFK - SJU

JFKSJU

New York John F Kennedy Intl

Wed 8/19

7:28 pm-11:52 pm

Nonstop4h 24m

San Juan Luis Munoz Marin Intl

Wed 8/26

7:30 am-11:25 am

Nonstop3h 55m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from New Jersey to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from New Jersey with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Jersey to San Juan

What is the cheapest month to book a flight from New Jersey to San Juan?

Currently, January is the cheapest month in which you can book a flight from New Jersey to San Juan (average of $254). Flying from New Jersey to San Juan in July is currently the most expensive (average of $640). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from NJ to SJU?

Find hourly flight availability from New Jersey to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 22, 2026.

It’s typically best to fly out from New Jersey to San Juan in the evening. Doing so could potentially save you 17% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from New Jersey to San Juan

Explore weekly flight availability from New Jersey to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 22, 2026.

The most flights from USNJ to PR1 are scheduled on a Friday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from New Jersey to San Juan?

What is the cheapest day to fly from New Jersey to San Juan?

Use this chart to determine the cheapest time to fly round-trip from New Jersey to San Juan. Price data was last updated on July 18, 2026.

Travelers seeking maximum savings on their New Jersey to San Juan flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from New Jersey to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from New Jersey to San Juan?

    A quick flight from New Jersey to San Juan can take about 3h 56m. Delta provides one of the quickest options available for as low as $287. New Jersey and San Juan are separated by a distance of 1601 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from New Jersey to San Juan one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $43. Users have also found prices from $88 and $101 on JetBlue and United Airlines, respectively.

  • What are the most popular routes from New Jersey to San Juan?

    The most popular flight routes from New Jersey to San Juan are Philadelphia - San Juan Luis Munoz Marin Intl, Newark - San Juan Luis Munoz Marin Intl and New York John F Kennedy Intl - San Juan Luis Munoz Marin Intl.

  • What are the most reliable airlines from New Jersey to San Juan?

    Before booking your flight to San Juan from New Jersey, check out the most reliable airlines to get you to your destination on time: Air Canada (86%), United Airlines (86%), JetBlue( 85%).

  • What are the cheapest flights from New Jersey to San Juan?

    While on average a flight from New Jersey to San Juan is generally $632, our data shows the cheapest flight currently is $137. When looking at the most popular route, (Philadelphia - San Juan Luis Munoz Marin Intl), you can expect to pay $146 for that flight.

  • Can I find deals for flights from New Jersey to San Juan that include hotel bookings?

    Yes. In addition to deals on New Jersey to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Jersey to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Jersey to San Juan.

  • Can I find deals for business class flights from New Jersey to San Juan?

    Yes. Cheapflights offers flight deals from New Jersey to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New Jersey to San Juan?

    Currently, January is the cheapest month in which you can book a flight from New Jersey to San Juan (average of $254). Flying from New Jersey to San Juan in July is currently the most expensive (average of $640). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for New Jersey to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from New Jersey to San Juan

Discover the top 5 airlines that operate flights from New Jersey to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$301FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$160Average$388FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$161Average$394FlexibilityNo cancel feeOn-time71%
DeltaCheapest$166Average$347FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$211Average$433FlexibilityNo cancel feeOn-time69%

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