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San Juan

$78+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
May 23 — May 301
Sat 5/23
Sat 5/30
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 April 23, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:00 am
PHL
-
SJU
Nonstop3h 50m
Frontier
Sun 5/33:31 pm
SJU
-
PHL
1 stop17h 00m
Frontier
Deal found 4/20$178
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:00 am
PHL
-
SJU
Nonstop3h 50m
Multiple Airlines
Sun 5/101:30 am
SJU
-
PHL
Nonstop4h 05m
Multiple Airlines
Deal found 4/20$179
This Expedia deal was found by Cheapflights users on 4/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:10 pm
PHL
-
SJU
1 stop7h 58m
Multiple Airlines
Sat 5/231:30 am
SJU
-
PHL
Nonstop4h 05m
Multiple Airlines
Deal found 4/20$180
This CheapOair deal was found by Cheapflights users on 4/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:00 am
PHL
-
SJU
1 stop10h 31m
Multiple Airlines
Wed 5/66:30 am
SJU
-
PHL
Nonstop4h 11m
Multiple Airlines
Deal found 4/19$181
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:00 am
PHL
-
SJU
Nonstop3h 44m
Spirit Airlines
Sat 5/161:30 am
SJU
-
PHL
Nonstop4h 05m
Spirit Airlines
Deal found 4/20$182
This Frontier deal was found by Cheapflights users on 4/21. 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.
Wed 5/138:07 pm
PHL
-
SJU
Nonstop3h 52m
Frontier
Mon 5/186:30 am
SJU
-
PHL
Nonstop4h 11m
Frontier
Deal found 4/21$183
This Frontier deal was found by Cheapflights users on 4/20. 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.
Wed 5/1311:46 am
PHL
-
SJU
Nonstop4h 04m
Frontier
Sat 5/236:30 am
SJU
-
PHL
Nonstop4h 11m
Frontier
Deal found 4/20$184
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:21 pm
PHL
-
SJU
1 stop13h 47m
Frontier
Sat 5/165:15 pm
SJU
-
PHL
1 stop13h 57m
Frontier
Deal found 4/20$185
This Frontier deal was found by Cheapflights users on 4/18. 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.
Sun 5/39:59 pm
TTN
-
SJU
1 stop11h 55m
Frontier
Fri 5/83:03 am
SJU
-
TTN
1 stop6h 39m
Frontier
Deal found 4/18$186
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:39 pm
PHL
-
SJU
Nonstop3h 50m
Frontier
Sat 5/92:47 pm
SJU
-
PHL
Nonstop4h 15m
Frontier
Deal found 4/21$186
This Frontier deal was found by Cheapflights users on 4/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:07 pm
PHL
-
SJU
Nonstop3h 52m
Frontier
Sat 5/305:15 pm
SJU
-
PHL
1 stop13h 57m
Frontier
Deal found 4/19$187
This Priceline deal was found by Cheapflights users on 4/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:00 am
PHL
-
SJU
1 stop7h 49m
Multiple Airlines
Sat 5/91:30 am
SJU
-
PHL
Nonstop4h 05m
Multiple Airlines
Deal found 4/20$188

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 April 23, 2026.

Round-trip from

$176
(Frontier)

One-way from

$78
(eDestinos)

Popular in

December

Cheapest in

October

Average price

$346
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. 2% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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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 April 23, 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

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Tue 5/5

10:27 am-10:43 pm

1 stop12h 16m

San Juan Luis Munoz Marin Intl

Fri 5/8

3:03 am-9:42 am

1 stop6h 39m

$204

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 5/29

4:29 pm-11:59 pm

1 stop7h 30m

San Juan Luis Munoz Marin Intl

Tue 6/2

3:06 am-9:37 am

1 stop6h 31m

$212

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Wed 5/13

10:22 am-10:43 pm

1 stop12h 21m

San Juan Luis Munoz Marin Intl

Fri 5/15

3:03 am-9:42 am

1 stop6h 39m

$212

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 5/16

10:27 am-1:15 pm

1 stop26h 48m

San Juan Luis Munoz Marin Intl

Mon 5/18

6:25 pm-9:42 am

1 stop15h 17m

$212

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 5/9

10:27 am-10:43 pm

1 stop12h 16m

San Juan Luis Munoz Marin Intl

Thu 5/14

3:03 am-9:42 am

1 stop6h 39m

$212

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 5/7

10:21 am-10:43 pm

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Thu 5/14

6:00 am-4:04 pm

1 stop10h 04m

$212

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 6/4

10:27 am-2:08 am

1 stop15h 41m

San Juan Luis Munoz Marin Intl

Sun 6/7

6:09 pm-7:46 pm

1 stop25h 37m

$212

Atlantic CitySan Juan

ACY - SJU

ACYSJU

Atlantic City

Thu 5/14

7:12 pm-5:16 pm

1 stop22h 04m

San Juan Luis Munoz Marin Intl

Mon 5/18

8:04 pm-10:50 am

1 stop14h 46m

$237

PhiladelphiaSan Juan

PHL - SJU

PHLSJU

Philadelphia

Tue 5/5

10:00 am-9:24 pm

2 stops11h 24m

San Juan Luis Munoz Marin Intl

Tue 5/19

1:00 am-12:20 pm

2 stops11h 20m

$256

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Tue 6/16

4:27 pm-12:37 am

1 stop8h 10m

San Juan Luis Munoz Marin Intl

Thu 6/18

3:06 am-9:57 am

1 stop6h 51m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

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 $71). Flying from New Jersey to San Juan in November is currently the most expensive (average of $494). 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 April 23, 2026.

It’s typically best to fly out from New Jersey to San Juan in the evening. Doing so could potentially save you 33% on the flight price compared to flying at noon, which is usually more expensive.

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 April 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.

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 April 23, 2026.

The most flights from USNJ to PR1 are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).

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

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 4h 18m. Frontier provides one of the quickest options available for as low as $277. New Jersey and San Juan are separated by a distance of 1601 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $53. Users have also found prices from $69 and $88 on Spirit Airlines and JetBlue, 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 Newark - San Juan Luis Munoz Marin Intl, New York John F Kennedy Intl - San Juan Luis Munoz Marin Intl and New York LaGuardia - 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: JetBlue (85%), TAP AIR PORTUGAL (78%), Air Canada( 78%).

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

    While on average a flight from New Jersey to San Juan is generally $602, our data shows the cheapest flight currently is $87. When looking at the most popular route, (Newark - San Juan Luis Munoz Marin Intl), you can expect to pay $184 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 $71). Flying from New Jersey to San Juan in November is currently the most expensive (average of $494). 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.

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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 6 airlines flying from New Jersey to San Juan

Discover the top 6 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$95Average$301FlexibilityNo cancel feeOn-time62%
DeltaCheapest$108Average$331FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$132Average$297FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$135Average$379FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$161Average$424FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$195Average$417FlexibilityNo cancel feeOn-time69%

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