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Cheap flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport from £83

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from Newark to San Juan Luis Munoz Marin Intl are usually found in September or October, booked 32 days in advance, depart on a Wednesday or Saturday and return on a Friday

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 11 July 2025.

Round-trip from

£133

One-way from

£83

Popular in

December

Cheapest in

September

Average price

£224
Frontier
  • Frontier
  • 15/9-28/9
  • Nonstop
  • 8h 09m total
  • Newark to San Juan
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JetBlue
  • JetBlue
  • 7/1
  • Nonstop
  • 3h 55m total
  • Newark to San Juan
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£13 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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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 11 July 2025.

Mon 15/922:00EWR - SJU
Nonstop3h 58mFrontier
Sun 28/916:51SJU - EWR
Nonstop4h 11mFrontier
Deal found 9/7£133
Fri 25/705:45EWR - SJU
1 stop15h 24mSpirit Airlines
Fri 25/702:40SJU - EWR
1 stop7h 05mSpirit Airlines
Deal found 10/7£138
Wed 24/919:54EWR - SJU
Nonstop4h 03mUnited Airlines
Sun 28/901:05SJU - EWR
Nonstop4h 10mUnited Airlines
Deal found 9/7£159
Wed 5/1107:00EWR - SJU
1 stop9h 18mDelta
Wed 12/1118:20SJU - EWR
1 stop7h 41mDelta
Deal found 10/7£166
Tue 5/813:29EWR - SJU
1 stop7h 05mJetBlue
Sun 10/821:59SJU - EWR
Nonstop3h 59mJetBlue
Deal found 8/7£180

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 July 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

Mon 15/9

22:00-01:58

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Sun 28/9

16:51-21:02

Nonstop4h 11m

£133

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 25/7

05:45-21:09

1 stop15h 24m

San Juan Luis Munoz Marin Intl

Fri 25/7

02:40-09:45

1 stop7h 05m

£138

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 24/9

19:54-23:57

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Sun 28/9

01:05-05:15

Nonstop4h 10m

£159

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 5/11

07:00-17:18

1 stop9h 18m

San Juan Luis Munoz Marin Intl

Wed 12/11

18:20-01:01

1 stop7h 41m

£166

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 5/8

13:29-20:34

1 stop7h 05m

San Juan Luis Munoz Marin Intl

Sun 10/8

21:59-01:58

Nonstop3h 59m

£180

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 7/1

08:05-13:00

Nonstop3h 55m

£83

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 1/11

15:03-21:22

1 stop6h 19m

£87

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 6/10

20:59-14:11

1 stop17h 12m

£98

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 7/9

06:00-16:36

1 stop10h 36m

£109

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 16/7

17:20-00:27

1 stop7h 07m

£167

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 11 results
1
2

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 27 June 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 11 July 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.

Weekly flight availability from Newark Airport to San Juan Luis Munoz Marin Intl Airport

Explore weekly flight availability from Newark to Luis Munoz Marin Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 July 2025.

The most flights from EWR to SJU are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated 11 July 2025.
Get a feel of what it's like to fly with Delta, United Airlines, andJetBlue from Newark Airport to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,848 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
JetBlue
7.3
Good
2,913 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Sun Country Air
6.9
Okay
335 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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.

  • What are the cheapest airlines flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport round-trip?

    Cheapflights users have booked flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport round-trip from £133. Other airlines that can offer you cheap pricing are Spirit Airlines, from £138, and United Airlines, from £159. Frontier is 32% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Newark Airport to San Juan Luis Munoz Marin Intl Airport one-way?

    £83 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on United Airlines and Spirit Airlines, with prices starting from £87 and £98, respectively.

  • 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 (81%), Air Canada (75%) and United Airlines (75%).

  • 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.

See more FAQs

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