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San Juan

$87+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheapflights Tip: The best prices from Newark to San Juan are usually found in October or September, booked 12 days in advance, depart on a Tuesday or Monday 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 March 24, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/22. 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.
Fri 4/101:30 pm
EWR
-
SJU
1 stop10h 10m
Frontier
Fri 4/173:23 pm
SJU
-
EWR
1 stop9h 53m
Frontier
Deal found 3/22$203
This Frontier deal was found by Cheapflights users on 3/23. 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 4/201:54 pm
EWR
-
SJU
1 stop12h 07m
Frontier
Thu 4/233:03 pm
SJU
-
EWR
1 stop10h 13m
Frontier
Deal found 3/23$204
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Thu 4/94:13 pm
EWR
-
SJU
1 stop7h 45m
Multiple Airlines
Mon 4/133:08 am
SJU
-
EWR
1 stop9h 51m
Multiple Airlines
Deal found 3/22$205
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 5/811:30 am
EWR
-
SJU
1 stop11h 13m
Frontier
Sun 5/173:03 am
SJU
-
EWR
1 stop7h 29m
Frontier
Deal found 3/20$206
This Frontier deal was found by Cheapflights users on 3/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:54 pm
EWR
-
SJU
1 stop8h 54m
Frontier
Fri 5/13:08 am
SJU
-
EWR
1 stop9h 51m
Frontier
Deal found 3/22$207
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Tue 3/3110:18 pm
EWR
-
SJU
1 stop13h 02m
Frontier
Fri 4/36:15 am
SJU
-
EWR
Nonstop4h 15m
Frontier
Deal found 3/23$208
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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.
Mon 4/1311:30 am
EWR
-
SJU
Nonstop4h 00m
Frontier
Sun 4/1910:49 am
SJU
-
EWR
1 stop26h 10m
Frontier
Deal found 3/20$209
This Frontier deal was found by Cheapflights users on 3/21. 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 4/1311:30 am
EWR
-
SJU
Nonstop4h 00m
Frontier
Mon 4/133:08 am
SJU
-
EWR
1 stop9h 51m
Frontier
Deal found 3/21$210
This Cheapflightsfares deal was found by Cheapflights users on 3/23. 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 4/171:54 pm
EWR
-
SJU
1 stop12h 07m
Frontier
Sat 4/253:43 pm
SJU
-
EWR
1 stop9h 33m
Frontier
Deal found 3/23$211
This Frontier deal was found by Cheapflights users on 3/23. 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 4/161:54 pm
EWR
-
SJU
1 stop8h 54m
Frontier
Mon 4/273:08 am
SJU
-
EWR
1 stop9h 51m
Frontier
Deal found 3/23$212
This Frontier deal was found by Cheapflights users on 3/19. 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.
Fri 5/11:54 pm
EWR
-
SJU
1 stop8h 54m
Frontier
Wed 5/133:03 am
SJU
-
EWR
1 stop7h 29m
Frontier
Deal found 3/19$213
This Super.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/1311:30 am
EWR
-
SJU
Nonstop4h 00m
Frontier
Mon 4/203:08 am
SJU
-
EWR
1 stop9h 51m
Frontier
Deal found 3/23$214

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 March 24, 2026.

Round-trip from

$203
(Cheapflightsfares)

One-way from

$87
(Super.com)

Popular in

December

Cheapest in

October

Average price

$311
From Newark to San Juan
Search Deals
One-way flight from Newark to San Juan
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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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 March 24, 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

Tue 8/4

6:00 am-7:01 pm

1 stop13h 01m

San Juan Luis Munoz Marin Intl

Tue 8/11

6:00 am-10:31 am

1 stop28h 31m

$299

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 4/19

9:46 am-1:45 pm

Nonstop3h 59m

San Juan Luis Munoz Marin Intl

Wed 4/22

3:56 pm-1:30 am

1 stop9h 34m

$312

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 4/13

11:30 am-3:30 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Mon 4/20

3:37 pm-9:00 pm

3 stops29h 23m

$319

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 4/13

1:59 pm-5:53 pm

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Thu 4/16

5:30 am-9:46 am

Nonstop4h 16m

$336
Quickest round-trip

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 4/13

11:29 am-3:19 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Mon 4/20

10:50 am-2:59 pm

Nonstop4h 09m

$337

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Thu 5/28

5:45 am-9:45 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Mon 6/1

11:03 am-3:18 pm

Nonstop4h 15m

$363

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 7/11

7:45 pm-11:50 pm

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Tue 7/14

1:00 am-5:10 am

Nonstop4h 10m

$366

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 5/24

7:45 pm-11:50 pm

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Thu 5/28

1:00 am-5:10 am

Nonstop4h 10m

$397

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 4/18

7:45 pm-11:50 pm

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Tue 4/21

1:00 am-5:10 am

Nonstop4h 10m

$397

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 4/27

7:45 pm-11:50 pm

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Fri 5/1

1:00 am-5:10 am

Nonstop4h 10m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Newark to San Juan. Price data was last updated on March 13, 2026.

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 month to book a flight from Newark Airport to San Juan?

Currently, May is the cheapest month in which you can book a flight from Newark Airport to San Juan (average of $74). Flying from Newark Airport to San Juan in August is currently the most expensive (average of $138). 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 March 24, 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 28% on airfare.

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 March 23, 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.

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 March 24, 2026.

The most flights from EWR to PR1 are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

How often are flights from Newark to San Juan delayed?

About 27% of weekly flights between Newark and San Juan have experienced delays in the past year, with the average delay time being 158 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 Thursday 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 24% of flights being delayed.

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 March 24, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andJetBlue 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.
Delta
7.9
Good
8,322 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
7.9
Good
8,322 reviews
Delta
7.9
Good
8,322 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
9,470 reviews
Delta
7.9
Good
8,322 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
JetBlue
7.2
Good
2,904 reviews
Delta
7.9
Good
8,322 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Spirit Airlines
6.3
Okay
8,535 reviews
Delta
7.9
Good
8,322 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Frontier
5.7
Fair
3,017 reviews
Delta
7.9
Good
8,322 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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 50m. Fly via United Airlines, JetBlue, or Spirit Airlines 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 $96. Other airlines that can offer you cheap pricing are Delta, from $108, and JetBlue, from $125. Frontier is priced at 68% 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 $53. Users have also found prices from $69 and $88 on Spirit Airlines and JetBlue, 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 (83%), Lufthansa (81%), Frontier( 75%).

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

    Looking at all options, your cheapest flight can be booked for $114. While the most popular route (Newark - San Juan Luis Munoz Marin Intl) can be booked for $174 on average, our data indicates $705 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, May is the cheapest month in which you can book a flight from Newark Airport to San Juan (average of $74). Flying from Newark Airport to San Juan in August is currently the most expensive (average of $138). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Newark to San Juan

Discover the top 6 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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$286FlexibilityNo cancel feeOn-time62%
DeltaCheapest$108Average$320FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$125Average$432FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$131Average$288FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$161Average$448FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$413FlexibilityNo cancel feeOn-time69%

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