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Cheap flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport from £100

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
11 Jul — 18 Jul1
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 11 June 2026.

Wed 26/808:00
EWR
-
SJU
Nonstop3h 57m
United Airlines
Tue 1/901:00
SJU
-
EWR
Nonstop4h 04m
United Airlines
Deal found 8/6£199
Mon 20/719:45
EWR
-
SJU
Nonstop4h 05m
United Airlines
Fri 24/701:00
SJU
-
EWR
Nonstop4h 10m
United Airlines
Deal found 11/6£207
Sat 27/622:25
EWR
-
SJU
Nonstop4h 03m
JetBlue
Fri 10/706:00
SJU
-
EWR
Nonstop3h 59m
JetBlue
Deal found 11/6£214
Mon 31/808:00
EWR
-
SJU
Nonstop3h 57m
United Airlines
Thu 3/914:55
SJU
-
EWR
Nonstop4h 07m
United Airlines
Deal found 10/6£215
Mon 17/819:47
EWR
-
SJU
Nonstop4h 03m
United Airlines
Mon 31/801:00
SJU
-
EWR
Nonstop4h 04m
United Airlines
Deal found 8/6£216
Tue 25/819:47
EWR
-
SJU
Nonstop4h 03m
United Airlines
Mon 31/801:00
SJU
-
EWR
Nonstop4h 04m
United Airlines
Deal found 9/6£220
Tue 25/815:20
EWR
-
SJU
1 stop7h 09m
Delta
Mon 31/807:00
SJU
-
EWR
1 stop7h 14m
Delta
Deal found 8/6£221
Sun 30/819:47
EWR
-
SJU
Nonstop4h 03m
United Airlines
Fri 4/914:55
SJU
-
EWR
Nonstop4h 07m
United Airlines
Deal found 11/6£222
Fri 28/819:47
EWR
-
SJU
Nonstop4h 03m
United Airlines
Mon 31/801:00
SJU
-
EWR
Nonstop4h 04m
United Airlines
Deal found 8/6£223
Sat 1/821:55
EWR
-
SJU
Nonstop4h 04m
JetBlue
Sat 8/806:00
SJU
-
EWR
Nonstop3h 59m
JetBlue
Deal found 11/6£226
Sat 29/819:47
EWR
-
SJU
Nonstop4h 03m
United Airlines
Mon 31/801:00
SJU
-
EWR
Nonstop4h 04m
United Airlines
Deal found 9/6£227

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 11 June 2026.

Round-trip from

£199

One-way from

£100

Popular in

December

Cheapest in

October

Average price

£288

Good round-trip deal

£513 or less
United Airlines
  • United Airlines
  • 26/8-1/9
  • Nonstop
  • 8h 01m total
  • Newark to San Juan
Search Deals
United Airlines
  • United Airlines
  • 7/9
  • Nonstop
  • 3h 58m total
  • Newark to San Juan
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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Price to beat on a round-trip flight from Newark to San Juan Luis Munoz Marin Intl.
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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 11 June 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

Wed 26/8

15:42-23:18

1 stop7h 36m

San Juan Luis Munoz Marin Intl

Wed 2/9

06:00-09:59

Nonstop3h 59m

£272

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 15/11

09:00-14:03

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Sat 21/11

15:35-18:51

Nonstop4h 16m

£273

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 1/8

19:45-23:50

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Fri 7/8

01:00-05:10

Nonstop4h 10m

£288
Fastest return journey

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 4/7

22:25-02:28

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Tue 7/7

06:00-09:59

Nonstop3h 59m

£295

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 11/8

12:00-22:29

1 stop10h 29m

San Juan Luis Munoz Marin Intl

Tue 18/8

07:00-15:24

1 stop8h 24m

£303

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 6/7

13:00-21:24

1 stop8h 24m

San Juan Luis Munoz Marin Intl

Sat 11/7

01:00-05:10

Nonstop4h 10m

£304

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 4/7

19:45-05:29

1 stop9h 44m

San Juan Luis Munoz Marin Intl

Mon 6/7

01:00-05:10

Nonstop4h 10m

£308

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 1/12

06:00-10:49

Nonstop3h 49m

San Juan Luis Munoz Marin Intl

Tue 8/12

17:25-23:50

1 stop7h 25m

£315

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 2/12

08:45-13:41

Nonstop3h 56m

San Juan Luis Munoz Marin Intl

Tue 8/12

15:05-18:23

Nonstop4h 18m

£319

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 23/10

19:47-23:50

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Sun 25/10

01:05-05:24

Nonstop4h 19m

£319

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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 £187). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £292). 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 11 June 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 3h 57m. Fly via United Airlines 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 JetBlue (92%), TAP AIR PORTUGAL (87%) and Air Canada (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 £659, our data indicates the cheapest price to be £513. The most popular route (Newark - San Juan Luis Munoz Marin Intl), is priced around £250.

  • 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 £187). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £292). 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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