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$79+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Newark to San Juan are usually found in September or October, booked 21 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap 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 July 28, 2025.

Round-trip from

$151
(Cheapflightsfares)

One-way from

$79
(Frontier)

Popular in

December

Cheapest in

September

Average price

$305
From Newark to San Juan
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One-way flight from Newark to San Juan
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Highest demand for flights based on searches. 8% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 9/1910:00 pmEWR - SJU
Nonstop3h 58mFrontier
Mon 9/224:51 pmSJU - EWR
Nonstop4h 11mFrontier
Deal found 7/28$151
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amEWR - SJU
1 stop7h 15mDelta
Tue 12/91:50 pmSJU - EWR
1 stop12h 11mDelta
Deal found 7/27$155
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/138:25 pmEWR - SJU
1 stop17h 28mMultiple Airlines
Fri 9/194:51 pmSJU - EWR
Nonstop4h 11mMultiple Airlines
Deal found 7/27$174
This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/117:00 pmEWR - SJU
Nonstop4h 00mSpirit Airlines
Thu 8/142:11 amSJU - EWR
1 stop10h 48mSpirit Airlines
Deal found 7/28$193

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 July 28, 2025.
Use the filters below to find and compare flights from Newark Airport to San Juan that are best for you.

Fly from

Newark

Fly to

San Juan

Route

Depart

Return

Price

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 9/9

10:00 pm-1:58 am

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Fri 9/19

4:51 pm-9:02 pm

Nonstop4h 11m

$151

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 9/24

10:40 am-10:00 pm

1 stop11h 20m

San Juan Luis Munoz Marin Intl

Wed 10/8

2:29 pm-12:59 am

1 stop10h 30m

$155

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 9/13

8:25 pm-1:53 pm

1 stop17h 28m

San Juan Luis Munoz Marin Intl

Fri 9/19

4:51 pm-9:02 pm

Nonstop4h 11m

$174

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 8/11

7:00 pm-11:00 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Thu 8/14

2:11 am-12:59 pm

1 stop10h 48m

$193

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 9/26

10:00 pm-1:58 am

Nonstop3h 58m

$79

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 8/30

10:00 pm-2:17 pm

1 stop16h 17m

$98

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 8/19

4:45 pm-8:46 pm

Nonstop4h 01m

$99

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 10/1

5:40 am-6:14 pm

1 stop12h 34m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July 25, 2025.

The best time to book flights from Newark Airport to San Juan is 21 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, September is the cheapest month in which you can book a flight from Newark Airport to San Juan (average of $254). Flying from Newark Airport to San Juan in June is currently the most expensive (average of $339). 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 July 28, 2025.

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 in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 32% 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 December 16, 2024.

Travelers seeking maximum savings on their Newark Airport to San Juan flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday afternoons 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 July 28, 2025.

The most flights from EWR 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 (9 on average).

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 July 28, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and JetBlue 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
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
8.0
Very good
7,971 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
8,893 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7.3
Good
2,913 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
8,034 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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.

  • 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 $151. Other airlines that can offer you cheap pricing are Delta, from $155, and Spirit Airlines, from $193. Frontier is priced at 43% 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 $79. Users have also found prices from $84 and $99 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: TAP AIR PORTUGAL (83%), Air Canada (76%), United Airlines( 76%).

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

    Looking at all options, your cheapest flight can be booked for $68. While the most popular route (Newark - San Juan Luis Munoz Marin Intl) can be booked for $125 on average our data indicates $611 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 $254). Flying from Newark Airport to San Juan in June is currently the most expensive (average of $339). 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 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$244FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$140Average$236FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$142Average$432FlexibilityNo cancel feeOn-time62%
DeltaCheapest$186Average$330FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$206Average$425FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$249Average$591FlexibilityNo cancel feeOn-time71%

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