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Cheap flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport from £111

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
5 Sep — 12 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Newark to San Juan Luis Munoz Marin Intl are usually found in October or September, booked 58 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Newark to Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

Cheapest flights from Newark to Luis Munoz Marin Intl
Explore the most affordable flight options available from Newark to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Mon 14/909:40 -
Nonstop4h 00m
Wed 30/914:32 -
1 stop7h 02m
Deal found 4/8£210
Thu 3/921:55 -
Nonstop4h 05m
Fri 11/916:29 -
1 stop6h 37m
Deal found 4/8£211
Thu 3/921:55 -
Nonstop4h 05m
Thu 10/914:32 -
1 stop7h 02m
Deal found 3/8£212
Mon 17/821:55 -
Nonstop4h 05m
Wed 2/906:00 -
Nonstop3h 59m
Deal found 3/8£221
Wed 26/821:55 -
Nonstop4h 05m
Thu 27/806:00 -
Nonstop3h 59m
Deal found 2/8£224
Tue 24/1121:00 -
Nonstop3h 57m
Wed 25/1106:05 -
Nonstop4h 14m
Deal found 3/8£227
Tue 25/809:47 -
Nonstop3h 58m
Wed 26/801:00 -
Nonstop4h 04m
Deal found 4/8£228
Sat 5/919:47 -
Nonstop4h 03m
Sat 12/918:45 -
Nonstop4h 01m
Deal found 5/8£229
Fri 25/919:47 -
Nonstop4h 03m
Sat 26/901:00 -
Nonstop4h 04m
Deal found 5/8£229
Sun 8/1109:00 -
Nonstop4h 03m
Wed 18/1120:50 -
Nonstop4h 08m
Deal found 2/8£230
Tue 25/806:00 -
1 stop6h 48m
Thu 27/806:00 -
Nonstop3h 59m
Deal found 2/8£232

Find flight deals from Newark to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Luis Munoz Marin Intl (SJU). 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 6 August 2026.

Round-trip from

£210

One-way from

£111

Popular in

July

Cheapest in

October

Average price

£276

Good round-trip deal

£152 or less
JetBlue
  • JetBlue
  • 14/9-30/9
  • 1 total stop
  • 11h 02m total
  • Newark to San Juan
Search Deals
Frontier
  • Frontier
  • 18/9
  • 2 total stops
  • 18h 34m total
  • Newark to San Juan
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£33 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Newark to San Juan Luis Munoz Marin Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Newark to Luis Munoz Marin Intl 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 858,174 searches. Data last updated 6 August 2026.
Use the filters below to find and compare flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

NewarkSan Juan

EWR Newark - SJU San Juan Luis Munoz Marin Intl

EWRSJU

Newark

Tue 15/9

09:40-13:40

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Tue 22/9

16:29-23:06

1 stop6h 37m

£210

NewarkSan Juan

EWR Newark - SJU San Juan Luis Munoz Marin Intl

EWRSJU

Newark

Wed 16/9

08:30-15:23

1 stop6h 53m

San Juan Luis Munoz Marin Intl

Fri 2/10

15:00-19:08

Nonstop4h 08m

£210
Fastest return journey

NewarkSan Juan

EWR Newark - SJU San Juan Luis Munoz Marin Intl

EWRSJU

Newark

Sat 29/8

21:55-02:00

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Sat 5/9

06:00-09:59

Nonstop3h 59m

£228

NewarkSan Juan

EWR Newark - SJU San Juan Luis Munoz Marin Intl

EWRSJU

Newark

Tue 1/9

21:55-02:00

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Sat 5/9

06:00-09:59

Nonstop3h 59m

£228

NewarkSan Juan

EWR Newark - SJU San Juan Luis Munoz Marin Intl

EWRSJU

Newark

Thu 8/10

08:00-11:57

Nonstop3h 57m

San Juan Luis Munoz Marin Intl

Tue 13/10

07:00-18:39

1 stop11h 39m

£270

NewarkSan Juan

EWR Newark - SJU San Juan Luis Munoz Marin Intl

EWRSJU

Newark

Sat 19/9

19:47-23:50

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Mon 21/9

01:00-05:04

Nonstop4h 04m

£296

NewarkSan Juan

EWR Newark - SJU San Juan Luis Munoz Marin Intl

EWRSJU

Newark

Mon 23/11

19:36-00:36

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Tue 24/11

02:05-05:24

Nonstop4h 19m

£296

NewarkSan Juan

EWR Newark - SJU San Juan Luis Munoz Marin Intl

EWRSJU

Newark

Fri 28/8

10:45-20:38

1 stop9h 53m

San Juan Luis Munoz Marin Intl

Fri 4/9

14:55-19:02

Nonstop4h 07m

£300

NewarkSan Juan

EWR Newark - SJU San Juan Luis Munoz Marin Intl

EWRSJU

Newark

Fri 28/8

21:55-02:00

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Fri 4/9

16:56-21:00

Nonstop4h 04m

£305
Cheapest one-way

NewarkSan Juan

EWR Newark - SJU San Juan Luis Munoz Marin Intl

EWRSJU

Newark

Sun 30/8

06:00-14:48

1 stop8h 48m

£119

Flights are sorted by cheapest return flights first.

Deals found on 2/8

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Best time to book a flight from Newark to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Newark with our price prediction graph.
Estimated return 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 Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

The price you pay for your flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport (average of £192). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of £330). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 August 2026.

It’s optimal to fly from Newark Airport to San Juan Luis Munoz Marin Intl Airport in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the morning.

How much does it cost for a return flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

Airfare is below average for this route at the moment.

Newark Airport to San Juan Luis Munoz Marin Intl Airport flights typically cost between £221 and £356 in September.
The cheapest return price found within the last 5 days was £210 on JetBlue (14 Sept–30 Sept).

Related info for your journey

Find useful and relevant information for your journey from Newark to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl Airport?

    There are many flights that can get you from Newark Airport to San Juan Luis Munoz Marin Intl Airport in 4h. Fly via JetBlue to get the fastest option. Airlines will cover a distance of 1611 mi. All flights are typically direct.

  • What are the most reliable airlines from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

    The top 3 most reliable airlines when flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport are Air Canada (77%), United Airlines (77%) and Lufthansa (77%).

  • What are the cheapest flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

    Looking for the cheapest flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport? While on average our users pay £462, our data indicates the cheapest price to be £152. The most popular route (Newark - San Juan Luis Munoz Marin Intl), is priced around £380.

  • Can I find deals for flights from Newark to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Newark to Luis Munoz Marin Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Newark to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Newark to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Newark to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport (average of £192). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of £330). 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

Travelling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Bayamón

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Can Cheapflights find flights from Newark to Luis Munoz Marin Intl with no change fees?

Need flexible booking options for your flight to Luis Munoz Marin Intl from Newark? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Newark to Luis Munoz Marin Intl become cheaper?

Of course! You can now track prices for flights from Newark to Luis Munoz Marin Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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