Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport from £66

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

£135

One-way from

£66

Popular in

December

Cheapest in

September

Average price

£181
Frontier
  • Frontier
  • 10/5-17/5
  • Nonstop
  • 8h 07m total
  • Newark to San Juan
Search Deals
Frontier
  • Frontier
  • 2/4
  • Nonstop
  • 3h 50m total
  • Newark to San Juan
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 25 March 2025.

Sat 10/511:24EWR - SJU
Nonstop4h 00mFrontier
Sat 17/521:30SJU - EWR
Nonstop4h 07mFrontier
Deal found 24/3£135
Sun 4/507:55EWR - SJU
Nonstop4h 02mUnited Airlines
Tue 6/501:05SJU - EWR
Nonstop4h 09mUnited Airlines
Deal found 24/3£144
Sat 10/520:07EWR - SJU
1 stop15h 22mMultiple Airlines
Sat 17/521:30SJU - EWR
Nonstop4h 07mMultiple Airlines
Deal found 24/3£145
Sun 13/420:00EWR - SJU
Nonstop3h 59mJetBlue
Sat 19/419:15SJU - EWR
Nonstop4h 07mJetBlue
Deal found 25/3£156
Mon 31/316:01EWR - SJU
1 stop7h 06mDelta
Thu 3/406:15SJU - EWR
1 stop10h 36mDelta
Deal found 24/3£158
Sat 10/520:07EWR - SJU
1 stop15h 22mSpirit Airlines
Sat 17/519:45SJU - EWR
1 stop14h 18mSpirit Airlines
Deal found 24/3£168

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 25 March 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

Sat 10/5

11:24-15:24

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Sat 17/5

21:30-01:37

Nonstop4h 07m

£135

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 4/5

07:55-11:57

Nonstop4h 02m

San Juan Luis Munoz Marin Intl

Tue 6/5

01:05-05:14

Nonstop4h 09m

£144

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 10/5

20:07-11:29

1 stop15h 22m

San Juan Luis Munoz Marin Intl

Sat 17/5

21:30-01:37

Nonstop4h 07m

£145

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 13/4

20:00-23:59

Nonstop3h 59m

San Juan Luis Munoz Marin Intl

Sat 19/4

19:15-23:22

Nonstop4h 07m

£156

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 10/5

20:07-11:29

1 stop15h 22m

San Juan Luis Munoz Marin Intl

Sat 17/5

19:45-10:03

1 stop14h 18m

£168

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 6/5

05:55-13:10

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Fri 9/5

06:15-14:50

1 stop8h 35m

£201

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 2/4

11:25-15:15

Nonstop3h 50m

£66

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 21/4

21:00-00:59

Nonstop3h 59m

£72

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 7/5

05:59-12:45

1 stop6h 46m

£76

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 30/4

13:05-23:54

1 stop10h 49m

£83

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 15 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 21 March 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 25 March 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 30% on the cost of your flight, compared to a flight in the evening.

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 25 March 2025.

The most flights from EWR to SJU are scheduled on a Monday (15 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 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 25 March 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
9,789 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very Good
9,789 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very Good
7,891 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,608 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 £135. Other airlines that can offer you cheap pricing are United Airlines, from £144, and JetBlue, from £156. Frontier is 36% 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?

    £66 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Delta, with prices starting from £72 and £76, 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 Sun Country Air (100%), EL AL (88%) and TAP AIR PORTUGAL (83%).

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Newark to Luis Munoz Marin Intl?

Cheapflights helps you search for flights from Newark to Luis Munoz Marin Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Newark to Luis Munoz Marin Intl?

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.