$42 Cheap Flights from Newark Liberty Intl. Airport (EWR) to San Juan (SJU)

View $42 flight on Wed, Oct 29, 2025Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)

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Today's featured flight deals from Newark Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)

Nonstop
Carry-on included
Lower price than typical

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

Prices were available within the past 7 days and start at $42 for one-way flights and $84 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Oct 29 - Mon, Nov 3
EWR
New York
SJU
San Juan
$84 Roundtrip, just found
$84
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Oct 29 from New York to San Juan, returning Mon, Nov 3, priced at $84 just found
Frontier Airlines
Mon, Oct 20 - Fri, Oct 31
EWR
New York
SJU
San Juan
$86 Roundtrip, just found
$86
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Oct 20 from New York to San Juan, returning Fri, Oct 31, priced at $86 just found
Frontier Airlines
Wed, Nov 12 - Fri, Dec 5
EWR
New York
SJU
San Juan
$104 Roundtrip, found 16 hours ago
$104
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Wed, Nov 12 from New York to San Juan, returning Fri, Dec 5, priced at $104 found 16 hours ago
Frontier Airlines
Sat, Nov 8 - Thu, Dec 4
EWR
New York
SJU
San Juan
$106 Roundtrip, found 16 hours ago
$106
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sat, Nov 8 from New York to San Juan, returning Thu, Dec 4, priced at $106 found 16 hours ago
Frontier Airlines
Wed, Oct 29 - Wed, Nov 5
EWR
New York
SJU
San Juan
$118 Roundtrip, just found
$118
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Oct 29 from New York to San Juan, returning Wed, Nov 5, priced at $118 just found
Frontier Airlines
Wed, Oct 29 - Mon, Nov 3
EWR
New York
SJU
San Juan
$120 Roundtrip, just found
$120
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Oct 29 from New York to San Juan, returning Mon, Nov 3, priced at $120 just found
JetBlue Airways
Wed, Oct 29 - Fri, Oct 31
EWR
New York
SJU
San Juan
$143 Roundtrip, found 1 hour ago
$143
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Wed, Oct 29 from New York to San Juan, returning Fri, Oct 31, priced at $143 found 1 hour ago
United
Mon, Nov 17 - Tue, Nov 18
EWR
New York
SJU
San Juan
$147 Roundtrip, found 2 hours ago
$147
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Nov 17 from New York to San Juan, returning Tue, Nov 18, priced at $147 found 2 hours ago
American Airlines
Wed, Oct 29 - Wed, Nov 5
EWR
New York
SJU
San Juan
$161 Roundtrip, just found
$161
Roundtrip
just found
Select American Airlines flight, departing Wed, Oct 29 from New York to San Juan, returning Wed, Nov 5, priced at $161 just found
Delta
Wed, Oct 29 - Wed, Nov 5
EWR
New York
SJU
San Juan
$165 Roundtrip, just found
$165
Roundtrip
just found
Select Delta flight, departing Wed, Oct 29 from New York to San Juan, returning Wed, Nov 5, priced at $165 just found

Find the cheapest month to fly from New York (EWR) to San Juan (SJU)

February is typically the cheapest month to fly

From $88 - $351 per traveler.

Alternative airports near San Juan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Luis Munoz Marin Intl. SJU. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $84
SJU
Luis Munoz Marin Intl.
Cheapest
Average driving time to city center16 min
Flights from $84

Frequently asked questions

How much does a flight from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU) cost?
Snag a cheap one-way flight from $42 or cheap return flight from $84 from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)?
October is the most affordable month to fly from EWR to SJU. Timing your trip outside of the busy season is often the key to finding better deals on flights.
Which airlines fly direct from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)?
Select from 3 airlines that fly nonstop from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU). Including:

  • United Airlines
  • Frontier Airlines
  • JetBlue Airways

What is the cheapest airline that flies from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)?
JetBlue Airways and Frontier Airlines are some well-known airlines offering reasonable fares. Keep in mind that flight prices from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU) can change depending on departure dates, demand and how early you book. With Expedia's filter tool, you can easily find an EWR to SJU flight that fits your preferences and budget.
How many flights per day from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)?
When jetting out of Liberty Intl. Airport (EWR), you can pick from an average of 6 daily direct flights to Luis Munoz Marin Intl. Airport (SJU).
What are the most popular departure times for flights from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)?
More travelers fly between EWR and SJU at 7 AM than at any other time. Prefer a quieter experience? Pick a flight outside the busiest times and you could save on your fare as well.
What day of the week has the most flights from EWR to SJU?
If you jet off on a Friday, you'll get the widest range of options for flights from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU).
What is the earliest flight from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)?
Liberty Intl. Airport (EWR)'s first flight to Luis Munoz Marin Intl. Airport (SJU) takes off at approximately 6:00AM UTC-5. With a total flight time of 3h 47m, you'll land at around 10:47AM UTC-4.
How long does it take to fly from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)?
It takes approximately 3 hours and 51 minutes to travel the 1,600 mi from EWR to SJU.
What airline has the least delays from EWR to SJU?
With 83% of flights usually landing on schedule, Frontier Airlines has the best on-time performance for nonstop flights from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU). To check your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)?
To reach Luis Munoz Marin Intl. Airport (SJU) on time, book a flight that leaves Liberty Intl. Airport (EWR) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Juan from Liberty Intl. Airport (EWR)?
Luis Munoz Marin Intl. Airport (SJU) is the only airport in San Juan with direct flights from Liberty Intl. Airport (EWR). Consider the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU) last-minute?
Booking your ticket from EWR to SJU just before your trip is typically more expensive. But if there's some wiggle room with your departure times and dates, you could score a cheap last-minute fare.
Can I cancel or change the date of my flight from Liberty Intl. Airport (EWR) to Luis Munoz Marin Intl. Airport (SJU)?
In most cases, you're able to reschedule or cancel your EWR to SJU flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more details, visit our Customer Service portal.

Travel information

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
$83
Distance
1612 mi
Average flight time
4 hours 1 min

Book with confidence

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 October. 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 $42 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.

 

Newark Liberty Intl. Airport to San Juan Flights

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