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Cheap flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport from £80

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
25 Apr — 2 May1
1 adult
1 adult, Economy, 0 bags

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 26 March 2026.

Thu 30/413:54
EWR
-
SJU
1 stop12h 07m
Frontier
Sun 3/515:39
SJU
-
EWR
1 stop21h 20m
Frontier
Deal found 23/3£163
Thu 30/413:54
EWR
-
SJU
1 stop9h 02m
Multiple Airlines
Sun 3/510:50
SJU
-
EWR
Nonstop4h 09m
Multiple Airlines
Deal found 23/3£193
Thu 23/405:45
EWR
-
SJU
Nonstop4h 00m
Spirit Airlines
Thu 30/410:50
SJU
-
EWR
Nonstop4h 09m
Spirit Airlines
Deal found 25/3£193
Sat 6/611:30
EWR
-
SJU
1 stop11h 52m
Multiple Airlines
Fri 19/603:25
SJU
-
EWR
1 stop10h 46m
Multiple Airlines
Deal found 24/3£203
Thu 14/505:55
EWR
-
SJU
2 stops11h 31m
Frontier
Sun 17/517:15
SJU
-
EWR
1 stop8h 03m
Frontier
Deal found 25/3£207
Thu 30/405:45
EWR
-
SJU
Nonstop4h 00m
Spirit Airlines
Sun 3/510:50
SJU
-
EWR
Nonstop4h 09m
Spirit Airlines
Deal found 23/3£211
Sat 6/605:45
EWR
-
SJU
Nonstop4h 00m
Spirit Airlines
Fri 19/603:25
SJU
-
EWR
1 stop10h 46m
Spirit Airlines
Deal found 24/3£212
Fri 24/405:45
EWR
-
SJU
Nonstop4h 00m
Spirit Airlines
Fri 1/510:50
SJU
-
EWR
Nonstop4h 09m
Spirit Airlines
Deal found 25/3£216
Thu 28/514:58
EWR
-
SJU
1 stop10h 33m
Spirit Airlines
Tue 2/611:03
SJU
-
EWR
Nonstop4h 15m
Spirit Airlines
Deal found 22/3£217
Thu 28/505:45
EWR
-
SJU
Nonstop4h 00m
Spirit Airlines
Sun 31/511:03
SJU
-
EWR
Nonstop4h 15m
Spirit Airlines
Deal found 22/3£226
Sat 7/1119:37
EWR
-
SJU
Nonstop3h 59m
United Airlines
Fri 13/1102:05
SJU
-
EWR
Nonstop4h 19m
United Airlines
Deal found 25/3£229
Mon 13/422:00
EWR
-
SJU
Nonstop3h 58m
JetBlue
Wed 22/405:30
SJU
-
EWR
Nonstop4h 16m
JetBlue
Deal found 24/3£230

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 26 March 2026.

Round-trip from

£163

One-way from

£80

Popular in

December

Cheapest in

October

Average price

£232

Good round-trip deal

£47 or less
Frontier
  • Frontier
  • 30/4-3/5
  • 2 total stops
  • 33h 27m total
  • Newark to San Juan
Search Deals
Frontier
  • Frontier
  • 4/6
  • 1 total stop
  • 11h 52m total
  • Newark to San Juan
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£12 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 March 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 26 March 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

Thu 30/4

05:45-09:45

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Sun 3/5

10:50-14:59

Nonstop4h 09m

£211

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 6/6

05:45-09:45

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Fri 19/6

03:25-14:11

1 stop10h 46m

£212
Fastest return journey

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 18/8

08:00-11:57

Nonstop3h 57m

San Juan Luis Munoz Marin Intl

Wed 19/8

01:00-05:04

Nonstop4h 04m

£252

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 2/6

08:00-12:04

Nonstop4h 04m

San Juan Luis Munoz Marin Intl

Tue 2/6

18:45-22:55

Nonstop4h 10m

£270

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Thu 28/5

05:45-09:45

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Mon 1/6

11:03-15:18

Nonstop4h 15m

£271

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 24/5

19:45-23:50

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Thu 28/5

01:00-05:10

Nonstop4h 10m

£296

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 24/5

19:45-23:50

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Thu 28/5

18:45-22:55

Nonstop4h 10m

£304

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 13/7

19:45-23:50

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Sun 2/8

01:00-05:10

Nonstop4h 10m

£311

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 3/8

22:15-02:20

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Thu 6/8

05:30-09:28

Nonstop3h 58m

£317

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 8/5

19:45-23:50

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Fri 15/5

18:45-22:55

Nonstop4h 10m

£334

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 22 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?

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 13 March 2026.

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 12 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, May is the cheapest month in which you can book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport (average of £74). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of £103). 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 26 March 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 38% 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. Fly via Spirit Airlines or 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 (83%), Lufthansa (81%) and Frontier (75%).

  • 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 £387, our data indicates the cheapest price to be £47. The most popular route (Newark - San Juan Luis Munoz Marin Intl), is priced around £184.

  • 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, May is the cheapest month in which you can book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport (average of £74). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of £103). 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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Millions of users choose and trust Cheapflights to book the best flight deals from Newark to Luis Munoz Marin Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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