Frontier's UpFront Plus seats guarantee an empty middle seat for added comfort.
Frontier offers Zone 1 boarding with a carry-on bag purchase or special fare bundle.
$58+ Cheap flights from Luis Munoz Marin Intl (SJU) to Newark (EWR)
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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — EWR
Jan 17 — Jan 241
1 adult, Economy
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Find cheap flights from Luis Munoz Marin Intl to Newark with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Newark are usually found in January or February, booked 89 days in advance, depart on a Friday or Saturday and return on a Tuesday
Cheap flight deals from Luis Munoz Marin Intl to Newark
Cheapest flights from Luis Munoz Marin Intl to NewarkExplore the most affordable flight options available from Luis Munoz Marin Intl to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
Explore the most affordable flight options available from Luis Munoz Marin Intl to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:10 amSJU - EWR
Nonstop4h 25mFrontier
Mon 1/1210:30 pmEWR - SJU
Nonstop3h 43mFrontier
Deal found 12/17![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:10 amSJU - EWR
Nonstop4h 25mFrontier
Sat 1/311:30 amEWR - SJU
Nonstop3h 43mFrontier
Deal found 12/16![Frontier logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:19 pmSJU - EWR
1 stop9h 46mFrontier
Sat 1/1010:30 pmEWR - SJU
Nonstop3h 43mFrontier
Deal found 12/16![Frontier logo]()
$155
This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:10 amSJU - EWR
Nonstop4h 25mMultiple Airlines
Fri 1/21:55 pmEWR - SJU
Nonstop4h 00mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:10 amSJU - EWR
Nonstop4h 25mMultiple Airlines
Sat 1/31:55 pmEWR - SJU
Nonstop4h 00mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$157
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:10 amSJU - EWR
Nonstop4h 25mMultiple Airlines
Fri 1/210:00 pmEWR - SJU
Nonstop3h 59mMultiple Airlines
Deal found 12/16![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:10 amSJU - EWR
Nonstop4h 25mMultiple Airlines
Sat 1/31:55 pmEWR - SJU
Nonstop4h 00mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:10 amSJU - EWR
Nonstop4h 25mMultiple Airlines
Fri 1/21:55 pmEWR - SJU
Nonstop4h 00mMultiple Airlines
Deal found 12/16![Multiple Airlines logo]()
$173
This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:50 pmSJU - EWR
Nonstop4h 05mSpirit Airlines
Mon 1/56:30 amEWR - SJU
1 stop11h 43mSpirit Airlines
Deal found 12/16![Spirit Airlines logo]()
$176
This eDestinos deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:10 amSJU - EWR
1 stop6h 50mSpirit Airlines
Sat 1/31:55 pmEWR - SJU
Nonstop4h 00mSpirit Airlines
Deal found 12/17![Spirit Airlines logo]()
$178
This SmartFares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:14 amSJU - EWR
Nonstop4h 16mJetBlue
Wed 1/77:10 pmEWR - SJU
Nonstop4h 06mJetBlue
Deal found 12/16![JetBlue logo]()
$179
Find flight deals from Luis Munoz Marin Intl to Newark
Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Newark (EWR). 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 December 18, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $112 (CheapOair) |
One-way from | $58 (Cheapflightsfares) |
Popular in | August |
Cheapest in | January |
Average price | $252 |
Good round-trip deal | $169 or less |
Good one-way deal | $108 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Luis Munoz Marin Intl to Newark 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 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Newark Airport that are best for you.
Fly from
Luis Munoz Marin Intl
Fly to
Newark
Route
Depart
Return
Price
San JuanNewark
SJU - EWR
SJUEWR
San Juan Luis Munoz Marin Intl
Fri 1/16
5:50 pm-9:05 pm
Nonstop4h 15m
Newark
Mon 1/19
10:30 pm-3:25 am
Nonstop3h 55m
$122
San JuanNewark
SJU - EWR
SJUEWR
San Juan Luis Munoz Marin Intl
Wed 1/7
6:08 pm-9:33 pm
Nonstop4h 25m
Newark
Sun 1/11
10:30 pm-3:13 am
Nonstop3h 43m
$174
San JuanNewark
SJU - EWR
SJUEWR
San Juan Luis Munoz Marin Intl
Thu 2/5
4:22 pm-1:08 am
1 stop9h 46m
Newark
Mon 2/9
6:00 am-3:12 pm
1 stop8h 12m
$180
San JuanNewark
SJU - EWR
SJUEWR
San Juan Luis Munoz Marin Intl
Wed 1/7
7:05 pm-11:30 pm
2 stops29h 25m
Newark
Sun 1/11
10:30 pm-3:13 am
Nonstop3h 43m
$192
San JuanNewark
SJU - EWR
SJUEWR
San Juan Luis Munoz Marin Intl
Sun 12/28
5:40 pm-9:00 pm
Nonstop4h 20m
Newark
Fri 1/2
10:00 pm-2:59 am
Nonstop3h 59m
$201
San JuanNewark
SJU - EWR
SJUEWR
San Juan Luis Munoz Marin Intl
Fri 1/23
7:45 am-6:09 pm
1 stop11h 24m
Newark
Mon 1/26
6:00 am-1:17 pm
1 stop6h 17m
$205
San JuanNewark
SJU - EWR
SJUEWR
San Juan Luis Munoz Marin Intl
Fri 2/6
4:40 pm-11:58 pm
1 stop8h 18m
Newark
Sun 2/8
4:15 pm-12:27 pm
1 stop19h 12m
$208
San JuanNewark
SJU - EWR
SJUEWR
San Juan Luis Munoz Marin Intl
Thu 3/12
6:35 pm-10:53 pm
Nonstop4h 18m
Newark
Tue 3/17
7:37 pm-11:36 pm
Nonstop3h 59m
$216
San JuanNewark
SJU - EWR
SJUEWR
San Juan Luis Munoz Marin Intl
Thu 4/23
1:00 am-5:10 am
Nonstop4h 10m
Newark
Mon 4/27
9:46 am-1:45 pm
Nonstop3h 59m
$216
San JuanNewark
SJU - EWR
SJUEWR
San Juan Luis Munoz Marin Intl
Wed 2/25
4:06 pm-1:08 am
1 stop10h 02m
$58
Showing 1-10 of 19 results
Compare providers for flights from Luis Munoz Marin Intl to Newark
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Newark in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Newark Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Newark Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Newark Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Newark Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Newark Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Luis Munoz Marin Intl to Newark
Have a flexible travel schedule? Discover the best time to fly to Newark from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to Newark Airport
Prices
Airlines
Delays
How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Newark Airport?
Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Newark. Price data was last updated on December 12, 2025.
To ensure you get the cheapest price possible for a flight from San Juan Luis Munoz Marin Intl Airport to Newark Airport, you should look to book at least 89 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 San Juan Luis Munoz Marin Intl Airport to Newark Airport?
Currently, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Newark Airport (average of $75). Flying from San Juan Luis Munoz Marin Intl Airport to Newark Airport in August is currently the most expensive (average of $142). 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 SJU to EWR?
Find hourly flight availability from Luis Munoz Marin Intl to Newark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.
One of the essential ways to save on airfare from San Juan Luis Munoz Marin Intl Airport to Newark Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 61% on airfare.
What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to Newark Airport?
Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Newark. Price data was last updated on December 13, 2025.
Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Newark Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from San Juan to Newark delayed?
About 17% of weekly flights between San Juan and Newark have experienced delays in the past year, with the average delay time being 159 minutes.
What is the most punctual flight time for San Juan to Newark flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Juan to Newark flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
The best insider tips for San Juan Luis Munoz Marin Intl Airport to Newark Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Juan Luis Munoz Marin Intl Airport to Newark Airport trip
Reviews of airlines servicing Newark
Get insights into the airlines that provide service to Newark. 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 Newark. Reviews last updated December 18, 2025.
Get a feel of what it's like to fly with United Airlines, JetBlue, and Spirit Airlines from San Juan Luis Munoz Marin Intl Airport to Newark Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Boarding
7.7
Overall
7.4
Food
6.6
Crew
8.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayKevin,Dec 2025
BOS - EWR
Entertainment
7.1
Boarding
7.7
Overall
7.4
Food
6.6
Crew
8.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayKevin,Dec 2025
BOS - EWR
Entertainment
7.1
Boarding
7.7
Overall
7.4
Food
6.6
Crew
8.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayKevin,Dec 2025
BOS - EWR
Entertainment
7.1
Boarding
7.7
Overall
7.4
Food
6.6
Crew
8.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayKevin,Dec 2025
BOS - EWR
Entertainment
7.1
Boarding
7.7
Overall
7.4
Food
6.6
Crew
8.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayKevin,Dec 2025
BOS - EWR
Related info for your journey
Find useful and relevant information for your journey from Luis Munoz Marin Intl to Newark. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Luis Munoz Marin Intl to Newark
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Luis Munoz Marin Intl to Newark
Discover the top 4 airlines that operate flights from Luis Munoz Marin Intl to Newark. 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 2,558,603 searches. Data last updated December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$182 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$113 | Average$295 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$125 | Average$252 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$163 | Average$306 | FlexibilityNo cancel fee | On-time69% |