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

One-way options have recently been found by users for as low as $80 on American Airlines. Other airlines that offer cheap prices include Frontier from $81 and Spirit Airlines from $92 one-way.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What are the most reliable airlines from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Newark Airport to San Juan Luis Munoz Marin Intl Airport on time: TAP AIR PORTUGAL (83%), Air Canada (76%), United Airlines (76%).

What are the most popular airlines that fly from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

Before booking your flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport check out the most popular airlines for this route: American Airlines, JetBlue or Delta.

What is the cheapest day to fly round-trip from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

Flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport are found to be more expensive on Wednesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Juan Luis Munoz Marin Intl Airport.

What is the cheapest month to fly from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

March can be a great time to fly to San Juan Luis Munoz Marin Intl Airport from Newark Airport with a flight ticket averaging about $267. Cheapflights users have found deals in the month of March for as cheap as $79. The most expensive prices can be found in the month of December.

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 vacation 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.

$80+ Flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport

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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 Tuesday or Saturday and return on a Friday

Cheap flight deals from Newark to Luis Munoz Marin Intl

Round-trip from	$148 (Kiwi.com)
One-way from	$80 (American Airlines)
Popular in	December
Cheapest in	September
Average price	$306
Good round-trip deal	$211 or less
Good one-way deal	$109 or less

From Newark to San Juan Luis Munoz Marin Intl

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One-way flight from Newark to San Juan Luis Munoz Marin Intl

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Highest demand for flights based on searches. 8% potential increase in price ($23 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in July 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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Price to beat on a one-way 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 July 21, 2025.

Sun 9/2810:00 pmEWR - SJU

Nonstop3h 58mFrontier

Fri 10/34:51 pmSJU - EWR

Nonstop4h 11mFrontier

Deal found 7/21

$148

Thu 7/2410:00 pmEWR - SJU

Nonstop4h 03mMultiple Airlines

Thu 7/3111:59 pmSJU - EWR

Nonstop4h 12mMultiple Airlines

Deal found 7/19

$181

Sat 9/276:56 pmEWR - SJU

1 stop16h 15mSpirit Airlines

Sat 10/43:19 pmSJU - EWR

1 stop7h 25mSpirit Airlines

Deal found 7/19

$191

Best flights from Newark to Luis Munoz Marin Intl
Discover carefully curated flight deals from Newark to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 21, 2025.

Sun 9/2810:00 pmEWR - SJU

Nonstop3h 58mFrontier

Fri 10/34:51 pmSJU - EWR

Nonstop4h 11mFrontier

Deal found 7/21

$148

Thu 7/2410:00 pmEWR - SJU

Nonstop4h 03mMultiple Airlines

Thu 7/3111:59 pmSJU - EWR

Nonstop4h 12mMultiple Airlines

Deal found 7/19

$181

Mon 7/2810:00 pmEWR - SJU

1 stop16h 45mSpirit Airlines

Thu 7/3111:59 pmSJU - EWR

Nonstop4h 12mSpirit Airlines

Deal found 7/20

$188

Last-minute flights from Newark to Luis Munoz Marin Intl
Discover last-minute flight deals from Newark to Luis Munoz Marin Intl. Data last updated July 21, 2025 and is based on user searches.

Wed 7/2310:00 pmEWR - SJU

Nonstop4h 03mFrontier

Fri 7/254:58 pmSJU - EWR

Nonstop4h 12mFrontier

Deal found 7/19

$151

Thu 7/2410:00 pmEWR - SJU

Nonstop4h 03mMultiple Airlines

Thu 7/3111:59 pmSJU - EWR

Nonstop4h 12mMultiple Airlines

Deal found 7/19

$181

Sat 7/2610:05 pmEWR - SJU

Nonstop4h 03mMultiple Airlines

Thu 7/3111:59 pmSJU - EWR

Nonstop4h 12mMultiple Airlines

Deal found 7/19

$174

Sun 7/2710:05 pmEWR - SJU

Nonstop4h 03mFrontier

Tue 7/294:53 pmSJU - EWR

Nonstop4h 12mFrontier

Deal found 7/19

$167

Mon 7/287:00 pmEWR - SJU

Nonstop4h 00mSpirit Airlines

Thu 7/3111:59 pmSJU - EWR

Nonstop4h 12mSpirit Airlines

Deal found 7/18

$178

Sun 8/310:12 amEWR - SJU

1 stop10h 57mSpirit Airlines

Fri 8/810:14 pmSJU - EWR

1 stop11h 03mSpirit Airlines

Deal found 7/20

$170

One-way flights from Newark to Luis Munoz Marin Intl
Search for one-way flight options from Newark to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated July 21, 2025.

Wed 10/86:00 amEWR - SJU

1 stop16h 11mAmerican Airlines

Deal found 7/19

$80

Sat 8/910:05 pmEWR - SJU

Nonstop4h 03mFrontier

Deal found 7/20

$81

Sun 8/1710:00 pmEWR - SJU

1 stop16h 17mSpirit Airlines

Deal found 7/18

$92

Sun 8/315:35 amEWR - SJU

Nonstop3h 55mJetBlue

Deal found 7/21

$113

Tue 8/125:59 amEWR - SJU

1 stop8h 46mMultiple Airlines

Deal found 7/20

$122

Cheapflights Fare Finder

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

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 9/28

10:00 pm-1:58 am

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Fri 10/3

4:51 pm-9:02 pm

Nonstop4h 11m

$148

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 8/3

10:12 am-9:09 pm

1 stop10h 57m

San Juan Luis Munoz Marin Intl

Mon 8/4

2:40 am-9:45 am

1 stop7h 05m

$185

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 8/5

7:00 pm-11:32 am

1 stop16h 32m

San Juan Luis Munoz Marin Intl

Wed 8/6

4:58 pm-9:10 pm

Nonstop4h 12m

$187

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 10/8

6:00 am-10:11 pm

1 stop16h 11m

$80

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 11/1

10:00 pm-2:03 am

Nonstop4h 03m

$81

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 8/17

10:00 pm-2:17 pm

1 stop16h 17m

$92

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 8/31

5:35 am-9:30 am

Nonstop3h 55m

$113

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 11/3

2:30 pm-11:21 pm

1 stop7h 51m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

The best insider tips for Newark Airport to San Juan Luis Munoz Marin Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Newark Airport to San Juan Luis Munoz Marin Intl Airport trip

Airlines

Frontier

Frontier offers extra comfort seats with 32” separation for a fee, enhancing your travel experience.

Early morning flights have a better chance of taking off and arriving on time with Frontier.

Read more about Frontierby Marisa Garcia

United Airlines

United's Economy Plus offers extra legroom towards the front of the economy cabin.

United's Polaris Lounges offer showers, napping areas, and dining for premium passengers.

Read more about United Airlinesby Harriet Baskas

Airports

EWR

EWR offers live wait time updates for security lines. Arrive at least two hours early due to unpredictable wait times.

SJU

For quick city access, use Uber from SJU. It's cashless and often cheaper than taxis, which may claim broken card machines.

Our travel experts

Marisa Garcia

Expert on Frontier

Harriet Baskas

Expert on United Airlines

Brandon Schultz

Expert on EWR and SJU

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 round-trip 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?

To ensure you get the cheapest price possible for a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 21 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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?

One of the essential ways to save on airfare from Newark Airport to San Juan Luis Munoz Marin Intl Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 32% on airfare.

What is the cheapest day to fly from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

Travelers seeking maximum savings on their Newark Airport to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

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

Peruse reviews from past customers who have flown with JetBlue, American Airlines, and Spirit Airlines from Newark Airport to San Juan Luis Munoz Marin Intl Airport 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.

JetBlue

7.3

Good

2,908 reviews

Reviews

1 / 20

2.0

Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.

JetBlue

7.3

Good

2,908 reviews

JetBlue

7.3

Good

2,908 reviews

Reviews

1 / 20

2.0

Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.

American Airlines

7.2

Good

10,000 reviews

JetBlue

7.3

Good

2,908 reviews

Reviews

1 / 20

2.0

Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.

Spirit Airlines

6.3

Okay

8,031 reviews

JetBlue

7.3

Good

2,908 reviews

Reviews

1 / 20

2.0

Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.

Frontier

5.9

Fair

3,244 reviews

JetBlue

7.3

Good

2,908 reviews

Reviews

1 / 20

2.0

Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.

Related info for your journey

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 $148. Another airline that can offer you cheap pricing is Spirit Airlines. These flights start at 44% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Newark Airport to San Juan Luis Munoz Marin Intl Airport one-way?
One-way options have recently been found by users for as low as $80 on American Airlines. Other airlines that offer cheap prices include Frontier from $81 and Spirit Airlines from $92 one-way.
What are the most reliable airlines from Newark Airport to San Juan Luis Munoz Marin Intl Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Newark Airport to San Juan Luis Munoz Marin Intl Airport on time: TAP AIR PORTUGAL (83%), Air Canada (76%), United Airlines (76%).
What are the cheapest flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport?
Looking at all options, your cheapest flight can be booked for $68. While the most popular route (Newark - San Juan Luis Munoz Marin Intl) can be booked for $150 on average our data indicates $611 when flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport.
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 vacation 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, September is the cheapest month in which you can book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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

Dorado

Fajardo

Luquillo

Rio Grande

Humacao

Bayamón

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Newark to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$89	Average$215	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$140	Average$236	FlexibilityNo cancel fee	On-time65%
JetBlue	Cheapest$142	Average$355	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$186	Average$330	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$206	Average$425	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$249	Average$591	FlexibilityNo cancel fee	On-time71%

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$80+ Cheap flights from Newark (EWR) to Luis Munoz Marin Intl (SJU)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Newark to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Tuesday or Saturday and return on a Friday

Cheap flight deals from Newark to Luis Munoz Marin Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Newark to Luis Munoz Marin Intl

Cheapest flights from Newark to Luis Munoz Marin IntlExplore 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 July 21, 2025.

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 July 21, 2025.

Cheapflights Fare Finder

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.

The best insider tips for Newark Airport to San Juan Luis Munoz Marin Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Newark Airport to San Juan Luis Munoz Marin Intl Airport trip

Airlines

Frontier

United Airlines

Airports

EWR

SJU

Our travel experts

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.

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 round-trip flight from Newark to Luis Munoz Marin Intl. Price data was last updated on July 18, 2025.

What is the cheapest month to book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

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 July 21, 2025.

What is the cheapest day to fly from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Newark to Luis Munoz Marin Intl. Price data was last updated on July 20, 2025.

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

Reviews of airlines servicing Luis Munoz Marin Intl

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?

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

What are the most reliable airlines from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

What are the cheapest flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

Can I find deals for flights from Newark to Luis Munoz Marin Intl that include hotel bookings?

How can I 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?

What is the cheapest month to book a flight from Newark Airport to San Juan Luis Munoz Marin Intl Airport?

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

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Alternative routes for Newark to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Newark to Luis Munoz Marin Intl

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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 July 21, 2025.