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Cheap flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport from £104

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
5 Aug — 12 Aug1
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 12 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 July 2026.

Fri 7/819:45
EWR
-
SJU
Nonstop4h 05m
United Airlines
Wed 12/807:00
SJU
-
EWR
1 stop11h 31m
United Airlines
Deal found 1/7£229
Thu 13/819:47
EWR
-
SJU
Nonstop4h 03m
United Airlines
Thu 10/913:25
SJU
-
EWR
Nonstop4h 09m
United Airlines
Deal found 5/7£230
Sat 22/808:00
EWR
-
SJU
Nonstop3h 57m
United Airlines
Wed 26/816:55
SJU
-
EWR
1 stop7h 04m
United Airlines
Deal found 4/7£233
Fri 21/806:00
EWR
-
SJU
1 stop6h 54m
United Airlines
Sat 29/801:00
SJU
-
EWR
Nonstop4h 04m
United Airlines
Deal found 1/7£234
Tue 25/806:00
EWR
-
SJU
1 stop6h 48m
JetBlue
Tue 8/919:25
SJU
-
EWR
Nonstop4h 03m
JetBlue
Deal found 3/7£234
Fri 18/906:00
EWR
-
SJU
1 stop6h 54m
United Airlines
Sun 20/916:55
SJU
-
EWR
1 stop7h 04m
United Airlines
Deal found 2/7£237
Mon 17/811:20
EWR
-
SJU
Nonstop3h 57m
JetBlue
Thu 20/818:30
SJU
-
EWR
Nonstop4h 03m
JetBlue
Deal found 1/7£237
Mon 10/813:00
EWR
-
SJU
1 stop8h 24m
United Airlines
Thu 13/801:00
SJU
-
EWR
Nonstop4h 04m
United Airlines
Deal found 1/7£238
Wed 30/906:00
EWR
-
SJU
1 stop7h 36m
JetBlue
Fri 2/1015:00
SJU
-
EWR
Nonstop4h 08m
JetBlue
Deal found 2/7£239
Tue 14/719:45
EWR
-
SJU
1 stop9h 44m
United Airlines
Wed 12/807:00
SJU
-
EWR
1 stop11h 31m
United Airlines
Deal found 1/7£240
Sun 20/909:00
EWR
-
SJU
Nonstop4h 08m
JetBlue
Thu 24/915:00
SJU
-
EWR
Nonstop4h 08m
JetBlue
Deal found 2/7£240
Sat 10/1009:47
EWR
-
SJU
Nonstop3h 58m
United Airlines
Fri 16/1001:00
SJU
-
EWR
Nonstop4h 04m
United Airlines
Deal found 5/7£241

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 July 2026.

Round-trip from

£229

One-way from

£104

Popular in

June

Cheapest in

October

Average price

£307

Good round-trip deal

£513 or less
United Airlines
  • United Airlines
  • 7/8-12/8
  • 1 total stop
  • 15h 36m total
  • Newark to San Juan
Search Deals
United Airlines
  • United Airlines
  • 23/8
  • Nonstop
  • 3h 58m total
  • Newark to San Juan
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 July 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 - SJU

EWRSJU

Newark

Fri 21/8

06:00-12:54

1 stop6h 54m

San Juan Luis Munoz Marin Intl

Tue 25/8

14:20-00:49

1 stop10h 29m

£239

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 19/8

06:00-12:54

1 stop6h 54m

San Juan Luis Munoz Marin Intl

Sun 23/8

01:00-05:04

Nonstop4h 04m

£240

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 8/8

19:45-23:50

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Fri 21/8

01:00-05:04

Nonstop4h 04m

£256
Fastest return journey

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 8/8

11:00-14:57

Nonstop3h 57m

San Juan Luis Munoz Marin Intl

Fri 14/8

16:56-21:00

Nonstop4h 04m

£263

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Thu 15/10

09:47-13:45

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Sun 18/10

16:55-23:59

1 stop7h 04m

£263

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 4/8

15:28-23:20

1 stop7h 52m

San Juan Luis Munoz Marin Intl

Tue 11/8

06:00-09:59

Nonstop3h 59m

£277

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Thu 16/7

19:45-05:29

1 stop9h 44m

San Juan Luis Munoz Marin Intl

Sun 19/7

01:00-05:10

Nonstop4h 10m

£294

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 9/8

10:00-14:01

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Tue 18/8

10:53-20:31

1 stop9h 38m

£302

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 17/7

21:55-01:59

Nonstop4h 04m

San Juan Luis Munoz Marin Intl

Fri 24/7

19:59-23:59

Nonstop4h 00m

£303

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 7/8

19:45-23:50

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Mon 10/8

07:20-14:01

1 stop6h 41m

£308

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 23 resultsSorted by cheapest first
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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 11 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 £189). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of £314). 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 July 2026.

It’s optimal to fly from Newark Airport to San Juan Luis Munoz Marin Intl Airport in the morning. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight at midday.

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

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 6h 54m. Fly via United Airlines or JetBlue to get the fastest option. Airlines will cover a distance of 1611 mi. This flight may include one or multiple stops.

  • 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 (87%), United Airlines (87%) and JetBlue (85%).

  • 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 £660, our data indicates the cheapest price to be £513. The most popular route (Newark - San Juan Luis Munoz Marin Intl), is priced around £320.

  • 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 £189). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of £314). 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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