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Cheap flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport from £81

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Newark to San Juan Luis Munoz Marin Intl are usually found in September or October, booked 21 days in advance, depart on a Wednesday or Saturday 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 30 April 2025.

Round-trip from

£139

One-way from

£81

Popular in

December

Cheapest in

September

Average price

£232
Frontier
  • Frontier
  • 22/6-28/6
  • Nonstop
  • 8h 03m total
  • Newark to San Juan
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United Airlines
  • United Airlines
  • 6/5
  • 1 total stop
  • 10h 06m total
  • Newark to San Juan
Search Deals
Highest demand for flights based on searches. 7% 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 April 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 30 April 2025.

Sun 22/622:00EWR - SJU
Nonstop4h 01mFrontier
Sat 28/616:58SJU - EWR
Nonstop4h 02mFrontier
Deal found 29/4£139
Sun 25/521:45EWR - SJU
Nonstop4h 01mJetBlue
Wed 28/522:40SJU - EWR
Nonstop4h 06mJetBlue
Deal found 28/4£146
Sun 18/507:55EWR - SJU
Nonstop4h 02mUnited Airlines
Tue 20/501:05SJU - EWR
Nonstop4h 09mUnited Airlines
Deal found 29/4£150
Wed 7/512:00EWR - SJU
1 stop10h 47mDelta
Sat 10/517:43SJU - EWR
1 stop7h 24mDelta
Deal found 29/4£175
Fri 2/505:30EWR - SJU
1 stop14h 58mAmerican Airlines
Sun 4/507:15SJU - EWR
1 stop15h 51mAmerican Airlines
Deal found 29/4£206
Thu 8/505:15EWR - SJU
1 stop13h 52mSpirit Airlines
Sun 11/520:57SJU - EWR
1 stop13h 06mSpirit Airlines
Deal found 28/4£243

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 30 April 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

Sun 22/6

22:00-02:01

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Sat 28/6

16:58-21:00

Nonstop4h 02m

£139

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 25/5

21:45-01:46

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Wed 28/5

22:40-02:46

Nonstop4h 06m

£146

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 18/5

07:55-11:57

Nonstop4h 02m

San Juan Luis Munoz Marin Intl

Tue 20/5

01:05-05:14

Nonstop4h 09m

£150

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 23/9

10:25-22:08

1 stop11h 43m

San Juan Luis Munoz Marin Intl

Fri 26/9

14:28-01:01

1 stop10h 33m

£184

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 6/5

10:32-20:38

1 stop10h 06m

£81

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 7/5

12:00-22:47

1 stop10h 47m

£84

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 24/9

07:00-10:58

Nonstop3h 58m

£85

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 2/7

06:00-17:10

2 stops11h 10m

£272

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Thu 28/8

16:43-14:10

2 stops21h 27m

£352

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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 25 April 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 30 April 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 22% 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 30 April 2025.

The most flights from EWR to SJU are scheduled on a Tuesday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 55.0 mm.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

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 30 April 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from New York to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,968 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very Good
9,968 reviews
Alaska Airlines
8.0
Very Good
9,968 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very Good
7,936 reviews
Alaska Airlines
8.0
Very Good
9,968 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very Good
9,968 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very Good
9,968 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
6.0
Okay
3,287 reviews
Alaska Airlines
8.0
Very Good
9,968 reviews
Check prices

Overall

8.0

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 £139. Other airlines that can offer you cheap pricing are JetBlue, from £146, and United Airlines, from £150. Frontier is 30% 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?

    £81 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and JetBlue, with prices starting from £84 and £85, 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 EL AL (89%), Lufthansa (81%) and United Airlines (81%).

  • 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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