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Cheap flights from Newark Airport to San Juan from $57

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Newark Airport to San Juan departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Newark Airport to San Juan

Cheap round-trip flights

Frontier Logo
10:00 pm - 1:58 amEWR-SJU
3h 58mnonstop
Frontier Logo
4:51 pm - 9:04 pmSJU-EWR
4h 13mnonstop
$110Frontier
Find Deal
Sat, Oct 4 - Sat, Oct 18
Frontier Logo
10:00 pm - 2:03 amEWR-SJU
4h 03mnonstop
Frontier Logo
4:51 pm - 8:04 pmSJU-EWR
4h 13mnonstop
$111Frontier
Find Deal
Thu, Oct 30 - Sun, Nov 2
Frontier Logo
10:00 pm - 1:58 amEWR-SJU
3h 58mnonstop
Frontier Logo
4:51 pm - 9:02 pmSJU-EWR
4h 11mnonstop
$112Frontier
Find Deal
Wed, Sep 17 - Wed, Sep 24
Frontier Logo
10:00 pm - 1:58 amEWR-SJU
3h 58mnonstop
Frontier Logo
4:51 pm - 9:02 pmSJU-EWR
4h 11mnonstop
$113Frontier
Find Deal
Sat, Sep 6 - Sat, Sep 13
Frontier Logo
10:00 pm - 1:58 amEWR-SJU
3h 58mnonstop
Frontier Logo
4:51 pm - 9:02 pmSJU-EWR
4h 11mnonstop
$115Frontier
Find Deal
Fri, Sep 5 - Fri, Sep 19
Frontier Logo
10:00 pm - 1:58 amEWR-SJU
3h 58mnonstop
Frontier Logo
4:51 pm - 9:02 pmSJU-EWR
4h 11mnonstop
$118Frontier
Find Deal
Fri, Sep 5 - Mon, Sep 22
Frontier Logo
10:00 pm - 2:03 amEWR-SJU
4h 03mnonstop
Frontier Logo
4:51 pm - 9:02 pmSJU-EWR
4h 11mnonstop
$121Frontier
Find Deal
Mon, Aug 25 - Sat, Sep 27
Logo
10:31 am - 9:48 pmEWR-SJU
11h 17m1 stop
Logo
4:51 pm - 9:02 pmSJU-EWR
4h 11mnonstop
$130
Find Deal
Sun, Aug 31 - Sat, Sep 13
Delta Logo
10:40 am - 10:00 pmEWR-SJU
11h 20m1 stop
Delta Logo
5:41 pm - 12:56 amSJU-EWR
7h 15m1 stop
$135Delta
Find Deal
Tue, Sep 30 - Sat, Oct 4
Delta Logo
3:30 pm - 10:00 pmEWR-SJU
6h 30m1 stop
Delta Logo
5:41 pm - 12:56 amSJU-EWR
7h 15m1 stop
$145Delta
Find Deal
Sat, Sep 20 - Wed, Sep 24

Frontier flights from Newark Airport to San Juan

Our best Frontier deals on Newark Airport to San Juan flight tickets
Frontier
Oct 4
EWR10:00 pmNewark
3h 58m
SJU1:58 amSan Juan Luis Munoz Marin Intl
Oct 18
SJU4:51 pmSan Juan Luis Munoz Marin Intl
4h 13m
EWR9:04 pmNewark
$110
Find similar
Frontier
Oct 30
EWR10:00 pmNewark
4h 03m
SJU2:03 amSan Juan Luis Munoz Marin Intl
Nov 2
SJU4:51 pmSan Juan Luis Munoz Marin Intl
4h 13m
EWR8:04 pmNewark
$111
Find similar
Frontier
Sep 17
EWR10:00 pmNewark
3h 58m
SJU1:58 amSan Juan Luis Munoz Marin Intl
Sep 24
SJU4:51 pmSan Juan Luis Munoz Marin Intl
4h 11m
EWR9:02 pmNewark
$112
Find similar

Delta flights from Newark Airport to San Juan

Our best Delta deals on Newark Airport to San Juan flight tickets
Delta
Sep 30
EWR10:40 amNewark
11h 20m
1 stop
SJU10:00 pmSan Juan Luis Munoz Marin Intl
Oct 4
SJU5:41 pmSan Juan Luis Munoz Marin Intl
7h 15m
1 stop
EWR12:56 amNewark
$135
Find similar
Delta
Sep 20
EWR3:30 pmNewark
6h 30m
1 stop
SJU10:00 pmSan Juan Luis Munoz Marin Intl
Sep 24
SJU5:41 pmSan Juan Luis Munoz Marin Intl
7h 15m
1 stop
EWR12:56 amNewark
$145
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Newark Airport to San Juan 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, momondo users made 832,500 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Newark Airport to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 10/4

10:00 pm-1:58 am

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Sat 10/18

4:51 pm-9:04 pm

Nonstop4h 13m

$110

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Thu 10/30

10:00 pm-2:03 am

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Sun 11/2

4:51 pm-8:04 pm

Nonstop4h 13m

$111

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Wed 9/17

10:00 pm-1:58 am

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Wed 9/24

4:51 pm-9:02 pm

Nonstop4h 11m

$112

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 9/6

10:00 pm-1:58 am

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Sat 9/13

4:51 pm-9:02 pm

Nonstop4h 11m

$113

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 9/5

10:00 pm-1:58 am

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Fri 9/19

4:51 pm-9:02 pm

Nonstop4h 11m

$115

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Fri 9/5

10:00 pm-1:58 am

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Mon 9/22

4:51 pm-9:02 pm

Nonstop4h 11m

$118

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Mon 8/25

10:00 pm-2:03 am

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

Sat 9/27

4:51 pm-9:02 pm

Nonstop4h 11m

$121

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sun 8/31

10:31 am-9:48 pm

1 stop11h 17m

San Juan Luis Munoz Marin Intl

Sat 9/13

4:51 pm-9:02 pm

Nonstop4h 11m

$130

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 9/30

10:40 am-10:00 pm

1 stop11h 20m

San Juan Luis Munoz Marin Intl

Sat 10/4

5:41 pm-12:56 am

1 stop7h 15m

$135

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Sat 9/20

3:30 pm-10:00 pm

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Wed 9/24

5:41 pm-12:56 am

1 stop7h 15m

$145

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Newark Airport to San Juan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in September, then October is your next best option. Flight prices from Newark Airport to San Juan during October average around $206.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Newark Airport to San Juan is on a Tuesday when prices can be found for as low as $251. The most expensive day to fly to San Juan is Thursday, with ticket prices averaging around $306.

What is the cheapest time of day to depart on your flight to San Juan?

The cheapest time of day to fly to San Juan is at noon when flights can be purchased for as low as $222. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $314 on average. Flights to San Juan from Newark Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Newark to San Juan flight route?

Fly from Newark to San Juan Luis Munoz Marin Intl for the best Newark - San Juan flight prices

How far in advance should I book a flight to San Juan?

You are more likely to see cheaper flights to San Juan from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $271 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Newark Airport for as low as $228 on momondo.

What cabin class options are available on Newark to San Juan flights?

There are 4 cabin classes available to choose from on Newark to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Newark Airport to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Newark Airport to San Juan

Best Price Found

$57

Fastest flight time

3h 55m

Direct flights

Every day

Airports in San Juan

1 airport
The best one-way flight to San Juan from Newark Airport in the past 72 hours is $57. The best round-trip flight deal from Newark Airport to San Juan found on momondo in the last 72 hours is $110.
The fastest flight from Newark Airport to San Juan takes 3h 55m
Direct flights go from Newark Airport to San Juan every day.
There is 1 airport near San Juan: San Juan Luis Munoz Marin Intl (SJU)
Search flight deals

  • How far is Newark to San Juan by plane?

    A flight from Newark to San Juan will travel around 1607.7 mi. A reasonable flight in good conditions will take 3h 58m.

  • When did momondo last update prices for flights from Newark Airport to San Juan?

    Prices for flights from Newark Airport to San Juan are refreshed on a daily basis.

  • How many operators does momondo search for flights from Newark Airport to San Juan?

  • How old do you have to be to fly from Newark Airport to San Juan?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Newark Airport to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents required for your trip to San Juan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Newark Airport to San Juan

Compare and see reviews for airlines that fly from Newark Airport to San Juan with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $89Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
JetBluePriceFrom $142Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $143Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
DeltaPriceFrom $155Free CancellationRating
8.0
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $205Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
American AirlinesPriceFrom $249Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from New York to San Juan?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from New York.

Can I find flights from New York to San Juan with flexible booking policies on momondo?

All flight searches from New York to San Juan on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New York to San Juan?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New York to San Juan.

I’m not ready to book a flight from New York to San Juan right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from New York and alert you when they change.

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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Isla Grande Airport
San Juan Luis Munoz Marin Intl Airport