$70 Cheap Flights from Newark Liberty Intl. Airport (EWR) to San Juan (SJU)

View $70 flight on Mon, Apr 28, 2025Opens in a new window

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Cheap Flights from Newark Liberty Intl. Airport to San Juan (EWR-SJU)

Prices were available within the past 7 days and start at $70 for one-way flights and $146 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon, Apr 28 - Thu, May 1
EWR
New York
SJU
San Juan
$146 Roundtrip, just found
$146
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Apr 28 from New York to San Juan, returning Thu, May 1, priced at $146 just found
Spirit Airlines
Tue, Apr 29 - Fri, May 9
EWR
New York
SJU
San Juan
$148 Roundtrip, just found
$148
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Apr 29 from New York to San Juan, returning Fri, May 9, priced at $148 just found
Frontier Airlines
Mon, Apr 7 - Tue, Apr 8
EWR
New York
SJU
San Juan
$150 Roundtrip, just found
$150
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Apr 7 from New York to San Juan, returning Tue, Apr 8, priced at $150 just found
Spirit Airlines
Tue, Apr 22 - Sat, May 3
EWR
New York
SJU
San Juan
$156 Roundtrip, found 18 hours ago
$156
Roundtrip
found 18 hours ago
Select Spirit Airlines flight, departing Tue, Apr 22 from New York to San Juan, returning Sat, May 3, priced at $156 found 18 hours ago
Spirit Airlines
Sat, Apr 26 - Fri, May 2
EWR
New York
SJU
San Juan
$158 Roundtrip, just found
$158
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Apr 26 from New York to San Juan, returning Fri, May 2, priced at $158 just found
Spirit Airlines
Mon, Apr 28 - Tue, May 6
EWR
New York
SJU
San Juan
$161 Roundtrip, found 9 hours ago
$161
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Mon, Apr 28 from New York to San Juan, returning Tue, May 6, priced at $161 found 9 hours ago
Spirit Airlines
Tue, Apr 29 - Tue, May 6
EWR
New York
SJU
San Juan
$163 Roundtrip, just found
$163
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Apr 29 from New York to San Juan, returning Tue, May 6, priced at $163 just found
Spirit Airlines
Mon, Apr 28 - Sat, May 3
EWR
New York
SJU
San Juan
$165 Roundtrip, just found
$165
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Apr 28 from New York to San Juan, returning Sat, May 3, priced at $165 just found
United
Thu, May 8 - Sat, May 10
EWR
New York
SJU
San Juan
$181 Roundtrip, found 1 hour ago
$181
Roundtrip
found 1 hour ago
Select United flight, departing Thu, May 8 from New York to San Juan, returning Sat, May 10, priced at $181 found 1 hour ago
American Airlines
Sat, Nov 8 - Wed, Nov 12
EWR
New York
SJU
San Juan
$237 Roundtrip, found 3 hours ago
$237
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Nov 8 from New York to San Juan, returning Wed, Nov 12, priced at $237 found 3 hours ago
Flights from Newark Liberty Intl. Airport (EWR) to San Juan (SJU)
Origin airport
Newark Liberty Intl. Airport
Destination airport
Luis Munoz Marin Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$144
Distance
1612 mi

Newark Liberty Intl. Airport to San Juan Flights

The cheapest times to fly from Newark Liberty Intl. Airport to San Juan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Newark Liberty Intl. Airport to San Juan are during the month of April. You can find some of the cheapest flights from Newark Liberty Intl. Airport to San Juan with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Newark Liberty Intl. Airport to San Juan

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to San Juan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Newark Liberty Intl. Airport to San Juan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Newark Liberty Intl. Airport to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from $70 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Newark Liberty Intl. Airport to San Juan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Newark Liberty Intl. Airport to San Juan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from Newark Airport to Luis Munoz Marin Intl. Airport (SJU)?
United Airlines has a direct flight leaving EWR at 7:58PM and touching down at Luis Munoz Marin Intl. Airport (SJU) at 11:57PM — a travel time of 3 hours and 59 minutes. Book the seat that’s perfect for you, pack some things to keep you busy and the time will pass by quickly.
Is it cheaper to buy a plane ticket from EWR to Luis Munoz Marin Intl. Airport (SJU) last minute?
When it’s time to book your flights, being prepared pays off. While you could pick up a deal on a Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU) flight at the last minute, prices usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international flights it’s three to four months.
What airline has the least delays from Newark Airport to Isla Verde Intl. Airport?
With an on-time performance score of 80%, United Airlines is the airline that’s likelier to fly you from EWR to Isla Verde Intl. Airport without any holdups. Flight delays aren’t just an unpleasant experience — they can also lead you to missing a connection that upends your vacation. Keep updated about any delays by checking your flight status through the Expedia App before you even get to the airport. If you’re already at your gate and the delay is lengthy, head to your airline’s customer service desk to work out your next move.
What airports do you fly into for San Juan from Newark?
Luis Munoz Marin Intl. Airport (SJU), Antonio Rivera Rodriguez Airport (VQS) and Mercedita Airport (PSE) are your choices when traveling from Newark to San Juan. Roughly 7 mi east of downtown San Juan, Luis Munoz Marin Intl. Airport (SJU) is the city’s major gateway. Keep in mind factors such as flight arrival and departure times and the distance to your hotel before choosing an airport. San Juan Gate and La Fortaleza are two fantastic attractions to visit when you reach your destination.
What are the most popular departure times for flights from Newark Airport to Luis Munoz Marin Intl. Airport (SJU)?
The most popular departure times for trips from Newark Airport to Isla Verde Intl. Airport are between 8:00 AM - 9:00 AM on United Airlines. A good tip is to jet out in the morning. The earlier you do, the better your chances of a delay-free flight with lighter air traffic around.
Can I change the date of my flight from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)?
Make changes quickly to your EWR to Luis Munoz Marin Intl. Airport (SJU) flight via the Expedia Trips portal. But before doing so, review the rules and restrictions in your itinerary to learn what you’re able to do and if change fees apply. Some airlines charge a change fee per person, on top of any difference in fares. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also check out our Customer Service portal for more handy information and to chat with our Virtual Agent.

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*Available to One Key members.