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Cheap flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport from C$ 144

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SJU
13 Apr — 20 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Newark to San Juan Luis Munoz Marin Intl are usually found in October or September, booked 12 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

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 14 March 2026.

Sat 11/44:13 p.m.
EWR
-
SJU
1 stop7h 45m
Spirit Airlines
Tue 14/412:55 p.m.
SJU
-
EWR
1 stop10h 45m
Spirit Airlines
Deal found 9/3C$ 301
Fri 10/41:30 p.m.
EWR
-
SJU
1 stop10h 10m
Multiple Airlines
Tue 14/412:55 p.m.
SJU
-
EWR
1 stop10h 45m
Multiple Airlines
Deal found 9/3C$ 312
Tue 7/44:13 p.m.
EWR
-
SJU
1 stop7h 45m
Spirit Airlines
Tue 14/412:55 p.m.
SJU
-
EWR
1 stop10h 45m
Spirit Airlines
Deal found 11/3C$ 337
Fri 10/411:29 a.m.
EWR
-
SJU
Nonstop3h 50m
Spirit Airlines
Tue 14/412:55 p.m.
SJU
-
EWR
1 stop10h 45m
Spirit Airlines
Deal found 9/3C$ 338
Wed 8/41:30 p.m.
EWR
-
SJU
1 stop10h 32m
Multiple Airlines
Tue 14/412:55 p.m.
SJU
-
EWR
1 stop10h 45m
Multiple Airlines
Deal found 11/3C$ 349
Sun 17/55:45 a.m.
EWR
-
SJU
Nonstop4h 00m
Spirit Airlines
Fri 22/511:03 a.m.
SJU
-
EWR
Nonstop4h 15m
Spirit Airlines
Deal found 12/3C$ 357
Fri 10/410:29 p.m.
EWR
-
SJU
1 stop11h 50m
Frontier
Mon 13/49:10 p.m.
SJU
-
EWR
1 stop15h 49m
Frontier
Deal found 9/3C$ 390
Mon 23/37:00 p.m.
EWR
-
SJU
Nonstop4h 06m
JetBlue
Thu 26/35:05 a.m.
SJU
-
EWR
Nonstop4h 12m
JetBlue
Deal found 9/3C$ 393
Sat 11/47:45 p.m.
EWR
-
SJU
Nonstop4h 05m
United Airlines
Wed 15/41:00 a.m.
SJU
-
EWR
Nonstop4h 10m
United Airlines
Deal found 10/3C$ 406
Mon 6/47:59 p.m.
EWR
-
SJU
1 stop15h 50m
Spirit Airlines
Tue 14/412:55 p.m.
SJU
-
EWR
1 stop10h 45m
Spirit Airlines
Deal found 11/3C$ 419

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 14 March 2026.

Round-trip from

C$ 301

One-way from

C$ 144

Popular in

December

Cheapest in

October

Average price

C$ 420

Good one-way deal

C$ 434 or less
Spirit Airlines
  • Spirit Airlines
  • 11/4-14/4
  • 2 total stops
  • 18h 30m total
  • Newark to San Juan
Search Deals
Frontier
  • Frontier
  • 17/4
  • 1 total stop
  • 8h 54m total
  • Newark to San Juan
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Newark to San Juan Luis Munoz Marin Intl.
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 14 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 round-trip

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 12/4

9:00 a.m.-8:34 p.m.

1 stop11h 34m

San Juan Luis Munoz Marin Intl

Thu 16/4

1:00 a.m.-5:10 a.m.

Nonstop4h 10m

C$ 427

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 9/5

9:10 a.m.-8:34 p.m.

1 stop11h 24m

San Juan Luis Munoz Marin Intl

Sun 10/5

1:00 a.m.-5:10 a.m.

Nonstop4h 10m

C$ 439

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 17/4

7:45 p.m.-11:50 p.m.

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Tue 21/4

7:40 a.m.-6:59 p.m.

1 stop11h 19m

C$ 446

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 9/6

7:45 p.m.-11:50 p.m.

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Tue 16/6

7:20 a.m.-2:01 p.m.

1 stop6h 41m

C$ 471
Quickest round-trip

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 27/7

7:45 p.m.-11:50 p.m.

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Tue 4/8

1:00 a.m.-5:10 a.m.

Nonstop4h 10m

C$ 494

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 27/4

6:00 a.m.-2:44 p.m.

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Thu 6/8

1:00 a.m.-5:10 a.m.

Nonstop4h 10m

C$ 550

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 19/4

7:45 p.m.-11:50 p.m.

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Sat 25/4

1:00 a.m.-5:10 a.m.

Nonstop4h 10m

C$ 583

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 25/7

7:45 p.m.-11:50 p.m.

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Thu 30/7

1:00 a.m.-5:10 a.m.

Nonstop4h 10m

C$ 617

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Thu 4/6

7:45 p.m.-11:50 p.m.

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Sun 7/6

1:00 a.m.-5:10 a.m.

Nonstop4h 10m

C$ 623

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 24/5

7:45 p.m.-11:50 p.m.

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Fri 5/6

1:00 a.m.-5:10 a.m.

Nonstop4h 10m

C$ 679

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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 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?

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 6 March 2026.

The best time to book flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport is 12 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 C$ 135). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of C$ 189). 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 14 March 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 46% on flights from Newark Airport to San Juan Luis Munoz Marin Intl Airport by exploring options for tickets in the afternoon.

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 14 March 2026.
Get a feel of what it's like to fly with JetBlue and Frontier 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.
JetBlue
7.2
Good
2,905 reviews
Check prices

Comfort

7.5

Crew

8.0

Entertainment

7.2

Overall

7.2

Boarding

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.
JetBlue
7.2
Good
2,905 reviews
JetBlue
7.2
Good
2,905 reviews
Check prices

Comfort

7.5

Crew

8.0

Entertainment

7.2

Overall

7.2

Boarding

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.
Frontier
5.7
Fair
3,032 reviews
JetBlue
7.2
Good
2,905 reviews
Check prices

Comfort

7.5

Crew

8.0

Entertainment

7.2

Overall

7.2

Boarding

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.

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?

    United Airlines, Spirit Airlines, and JetBlue can get you from Newark Airport to San Juan Luis Munoz Marin Intl Airport in just under 4h 02m. Your travel time can differ by up to 9h 58m. The distance from Newark Airport to San Juan Luis Munoz Marin Intl Airport is about 2593 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Flying on Frontier is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at C$ 101. Another option worth looking into is JetBlue, starting at C$ 264 round trip. Frontier is 75% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Before booking your flight to San Juan Luis Munoz Marin Intl Airport from Newark Airport, check out the most reliable airlines to get you to your destination on time: Frontier (67%), Air Canada (65%), United Airlines( 65%).

  • 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 C$ 558, our data indicates the cheapest price to be C$ 433. The most popular route (Newark - San Juan Luis Munoz Marin Intl), is priced around C$ 409.

  • 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, 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 C$ 135). Flying from Newark Airport to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of C$ 189). 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
Luquillo
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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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.
John F Kennedy Intl to Luis Munoz Marin Intl flights

Top 2 airlines flying from Newark to Luis Munoz Marin Intl

Discover the top 2 airlines that operate flights from Newark to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 14 March 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 101AverageC$ 231FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 264AverageC$ 417FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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 makes it easy to find Newark to Luis Munoz Marin Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Luis Munoz Marin Intl from Newark by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Newark to Luis Munoz Marin Intl with no change fees?

Yes, we can. To see specific flights from Newark to Luis Munoz Marin Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Newark to Luis Munoz Marin Intl become cheaper?

Yes, Cheapflights offers price alerts on Newark to Luis Munoz Marin Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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