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Cheap flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport from £65

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
3 Sep — 10 Sep1
1 adult

Cheapflights Tip: The best prices from Newark to San Juan Luis Munoz Marin Intl are usually found in October or September, booked 21 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap 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 29 August 2025.

Round-trip from

£130

One-way from

£65

Popular in

December

Cheapest in

October

Average price

£264

Good round-trip deal

£508 or less
United Airlines
  • United Airlines
  • 22/9-1/10
  • Nonstop
  • 8h 13m total
  • Newark to San Juan
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United Airlines
  • United Airlines
  • 15/10
  • Nonstop
  • 4h 03m total
  • Newark to San Juan
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£8 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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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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Find flight deals from Newark to Luis Munoz Marin Intl

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 29 August 2025.

Sat 27/909:44EWR - SJU
Nonstop4h 01mUnited Airlines
Wed 1/1001:05SJU - EWR
Nonstop4h 10mUnited Airlines
Deal found 28/8£130
Mon 15/907:55EWR - SJU
Nonstop4h 05mUnited Airlines
Sat 20/918:40SJU - EWR
Nonstop4h 10mUnited Airlines
Deal found 27/8£134
Mon 13/1006:15EWR - SJU
Nonstop3h 55mJetBlue
Wed 15/1017:00SJU - EWR
Nonstop4h 04mJetBlue
Deal found 28/8£138
Wed 22/1007:55EWR - SJU
Nonstop4h 05mUnited Airlines
Tue 28/1001:05SJU - EWR
Nonstop4h 19mUnited Airlines
Deal found 27/8£138
Wed 8/1007:55EWR - SJU
Nonstop4h 05mUnited Airlines
Tue 14/1001:05SJU - EWR
Nonstop4h 10mUnited Airlines
Deal found 28/8£139
Sat 11/1022:00EWR - SJU
Nonstop4h 02mFrontier
Sat 18/1016:51SJU - EWR
Nonstop4h 13mFrontier
Deal found 27/8£140
Tue 23/919:54EWR - SJU
Nonstop4h 03mUnited Airlines
Wed 24/901:05SJU - EWR
Nonstop4h 10mUnited Airlines
Deal found 27/8£143
Tue 9/1219:37EWR - SJU
Nonstop3h 59mUnited Airlines
Tue 16/1219:35SJU - EWR
Nonstop4h 18mUnited Airlines
Deal found 27/8£145
Wed 15/1007:55EWR - SJU
Nonstop4h 05mUnited Airlines
Tue 21/1015:56SJU - EWR
1 stop8h 49mUnited Airlines
Deal found 28/8£147
Tue 18/1107:55EWR - SJU
Nonstop3h 54mUnited Airlines
Fri 21/1117:50SJU - EWR
1 stop6h 48mUnited Airlines
Deal found 27/8£149
Wed 29/1012:05EWR - SJU
1 stop9h 54mDelta
Mon 3/1115:36SJU - EWR
1 stop10h 23mDelta
Deal found 27/8£150
Sun 2/1119:37EWR - SJU
Nonstop3h 59mUnited Airlines
Thu 6/1102:05SJU - EWR
Nonstop4h 19mUnited Airlines
Deal found 27/8£151

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 29 August 2025.
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

Newark

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 15/10

19:54-23:57

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Wed 29/10

01:05-05:24

Nonstop4h 19m

£130

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 26/10

09:43-13:40

Nonstop3h 57m

San Juan Luis Munoz Marin Intl

Fri 31/10

01:05-05:24

Nonstop4h 19m

£130

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 18/11

09:43-14:40

Nonstop3h 57m

San Juan Luis Munoz Marin Intl

Thu 20/11

02:05-05:24

Nonstop4h 19m

£130

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 6/10

19:54-23:57

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Thu 16/10

18:40-22:50

Nonstop4h 10m

£130

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 21/9

07:55-12:00

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Mon 29/9

01:05-05:15

Nonstop4h 10m

£130

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 28/9

19:54-23:57

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Tue 30/9

01:05-05:15

Nonstop4h 10m

£130

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 18/11

07:55-12:49

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Wed 19/11

02:05-05:24

Nonstop4h 19m

£130

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 15/10

07:55-12:00

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Tue 21/10

18:40-22:50

Nonstop4h 10m

£130

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 8/11

19:37-00:36

Nonstop3h 59m

San Juan Luis Munoz Marin Intl

Wed 12/11

02:05-05:24

Nonstop4h 19m

£130

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 1/10

07:55-12:00

Nonstop4h 05m

£65

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 17 results
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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?

Use this chart to determine the optimal time to book a return flight from Newark to Luis Munoz Marin Intl. Price data was last updated on 22 August 2025.

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 21 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, April is the cheapest month in which you can book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport (average of £631). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of £1,027). 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 29 August 2025.

It’s optimal to fly from Newark Airport to San Juan Luis Munoz Marin Intl Airport in the afternoon. By choosing this option you can save up to 17% 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 4h 03m. 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 TAP AIR PORTUGAL (77%), JetBlue (74%) and United Airlines (71%).

  • 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 £653, our data indicates the cheapest price to be £508. The most popular route (Newark - San Juan Luis Munoz Marin Intl), is priced around £139.

  • 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, April is the cheapest month in which you can book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport (average of £631). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of £1,027). 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.

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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.

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