San Juan

$122+ Cheap flights from Newark (EWR) 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
Jul 18 — Jul 251
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Cheapflights Tip: The best prices from Newark to San Juan are usually found in October or September, booked 13 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Newark to San Juan

Cheapest flights from Newark to San Juan
Explore the most affordable flight options available from Newark to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 7/119:55 pm
EWR
-
SJU
Nonstop4h 04m
JetBlue
Wed 7/154:56 pm
SJU
-
EWR
Nonstop4h 04m
JetBlue
Deal found 6/13$262
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:00 am
EWR
-
SJU
Nonstop3h 57m
United Airlines
Tue 9/11:00 am
SJU
-
EWR
Nonstop4h 04m
United Airlines
Deal found 6/16$267
This JetBlue deal was found by Cheapflights users on 6/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/119:55 pm
EWR
-
SJU
Nonstop4h 04m
JetBlue
Sat 7/186:09 pm
SJU
-
EWR
Nonstop4h 02m
JetBlue
Deal found 6/14$269
This SmartFares deal was found by Cheapflights users on 6/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:55 pm
EWR
-
SJU
Nonstop4h 04m
JetBlue
Sun 8/309:30 pm
SJU
-
EWR
Nonstop4h 02m
JetBlue
Deal found 6/15$272
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:47 pm
EWR
-
SJU
Nonstop4h 03m
United Airlines
Tue 9/11:00 am
SJU
-
EWR
Nonstop4h 04m
United Airlines
Deal found 6/16$277
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:47 pm
EWR
-
SJU
Nonstop4h 03m
United Airlines
Wed 9/21:25 pm
SJU
-
EWR
Nonstop4h 09m
United Airlines
Deal found 6/16$279
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:47 pm
EWR
-
SJU
Nonstop4h 03m
United Airlines
Sun 9/61:00 am
SJU
-
EWR
Nonstop4h 04m
United Airlines
Deal found 6/14$280
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 7/309:55 pm
EWR
-
SJU
Nonstop4h 04m
JetBlue
Tue 8/44:56 pm
SJU
-
EWR
Nonstop4h 04m
JetBlue
Deal found 6/13$282
This JetBlue deal was found by Cheapflights users on 6/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/199:55 pm
EWR
-
SJU
Nonstop4h 04m
JetBlue
Sat 8/86:00 am
SJU
-
EWR
Nonstop3h 59m
JetBlue
Deal found 6/15$287
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 7/289:55 pm
EWR
-
SJU
Nonstop4h 04m
JetBlue
Tue 8/46:00 am
SJU
-
EWR
Nonstop3h 59m
JetBlue
Deal found 6/16$292
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:45 pm
EWR
-
SJU
Nonstop4h 05m
United Airlines
Fri 7/241:00 am
SJU
-
EWR
Nonstop4h 10m
United Airlines
Deal found 6/14$294

Find flight deals from Newark to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 18, 2026.

Round-trip from

$262
(Cheapflightsfares)

One-way from

$122
(SmartFares)

Popular in

June

Cheapest in

October

Average price

$391
From Newark to San Juan
One-way flight from Newark to San Juan
Highest demand for flights based on searches. 10% potential increase in price ($40 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark 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 June 18, 2026.
Use the filters below to find and compare flights from Newark Airport to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 8/21

7:47 pm-11:50 pm

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Wed 8/26

2:20 pm-12:49 am

1 stop10h 29m

$302

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 6/21

6:00 am-9:56 am

Nonstop3h 56m

San Juan Luis Munoz Marin Intl

Tue 6/23

7:40 pm-11:43 pm

Nonstop4h 03m

$307

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 8/9

7:10 pm-11:17 pm

Nonstop4h 07m

San Juan Luis Munoz Marin Intl

Wed 8/19

6:00 am-9:59 am

Nonstop3h 59m

$307

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 8/28

7:47 pm-11:50 pm

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Sat 10/10

6:45 pm-10:46 pm

Nonstop4h 01m

$312

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 8/14

6:00 am-9:58 am

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Sat 8/22

6:00 am-9:59 am

Nonstop3h 59m

$317
Quickest round-trip

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 8/28

11:51 am-3:48 pm

Nonstop3h 57m

San Juan Luis Munoz Marin Intl

Fri 9/4

6:00 am-9:59 am

Nonstop3h 59m

$332

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 9/9

9:00 am-1:08 pm

Nonstop4h 08m

San Juan Luis Munoz Marin Intl

Wed 9/16

7:45 pm-11:51 pm

Nonstop4h 06m

$337

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 8/26

6:00 am-12:54 pm

1 stop6h 54m

San Juan Luis Munoz Marin Intl

Wed 9/2

3:56 pm-12:57 am

1 stop9h 01m

$341

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 8/9

7:10 pm-11:17 pm

Nonstop4h 07m

San Juan Luis Munoz Marin Intl

Sat 8/15

6:00 am-9:59 am

Nonstop3h 59m

$351

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 8/8

9:46 am-1:45 pm

Nonstop3h 59m

San Juan Luis Munoz Marin Intl

Fri 8/14

1:00 am-5:04 am

Nonstop4h 04m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 24 resultsSorted by cheapest first
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3

Best time to book a flight from Newark to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Newark 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 Newark Airport to San Juan

What is the cheapest month to book a flight from Newark Airport to San Juan?

Currently, September is the cheapest month in which you can book a flight from Newark Airport to San Juan (average of $244). Flying from Newark Airport to San Juan in June is currently the most expensive (average of $448). 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 EWR to SJU?

Find hourly flight availability from Newark 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 June 18, 2026.

One of the essential ways to save on airfare from Newark Airport to San Juan is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 20% on airfare.

Weekly flight availability from Newark Airport to San Juan

Explore weekly flight availability from Newark 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 June 18, 2026.

The most flights from EWR to PR1 are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Newark Airport to San Juan?

How often are flights from Newark to San Juan delayed?

About 25% of weekly flights between Newark and San Juan have experienced delays in the past year, with the average delay time being 157 minutes.

What is the most punctual flight time for Newark to San Juan flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Newark to San Juan flights?

Over the last year, JetBlue have had the lowest number of delays on this route, with just 22% of flights being delayed.

How far ahead should I book a flight from Newark Airport to San Juan?

The best time to book flights from Newark Airport to San Juan is 12 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Newark Airport to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Newark to San Juan. Price data was last updated on June 13, 2026.

Travelers seeking maximum savings on their Newark Airport 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.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated June 18, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Newark Airport to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.8

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Related info for your journey

Find useful and relevant information for your journey from Newark 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 Newark Airport to San Juan?

    There are many flights that can get you from Newark Airport to San Juan in 3h 56m. Fly via United Airlines or JetBlue to get the fastest option. The distance between Newark Airport and San Juan is about 1611 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Newark Airport to San Juan round-trip?

    Cheapflights users have booked flights from Newark Airport to San Juan round-trip from $98. Other airlines that can offer you cheap pricing are JetBlue, from $148, and Delta, from $155. Frontier is priced at 71% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Newark Airport to San Juan one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $49. Users have also found prices from $88 and $100 on JetBlue and United Airlines, respectively.

  • What are the most reliable airlines from Newark Airport to San Juan?

    Before booking your flight to San Juan from Newark Airport, check out the most reliable airlines to get you to your destination on time: JetBlue (88%), TAP AIR PORTUGAL (87%), Air Canada( 85%).

  • What are the cheapest flights from Newark Airport to San Juan?

    Looking at all options, your cheapest flight can be booked for $134. While the most popular route (Newark - San Juan Luis Munoz Marin Intl) can be booked for $272 on average, our data indicates $698 when flying from Newark Airport to San Juan.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Newark 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 Newark Airport to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Newark Airport to San Juan (average of $244). Flying from Newark Airport to San Juan in June is currently the most expensive (average of $448). 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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Top 5 airlines flying from Newark to San Juan

Discover the top 5 airlines that operate flights from Newark 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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$233FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$148Average$384FlexibilityNo cancel feeOn-time62%
DeltaCheapest$155Average$347FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$161Average$405FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$206Average$436FlexibilityNo cancel feeOn-time69%

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