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Cheap flights from Islip, New York to San Juan from $131

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to San Juan departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Islip, New York to San Juan

Cheap round-trip flights

Frontier Logo
5:05 pm - 12:00 amISP-SJU
6h 55m1 stop
Frontier Logo
3:39 am - 10:40 amSJU-ISP
7h 01m1 stop
$261Frontier
Find Deal
Mon, Sep 8 - Thu, Sep 11
Frontier Logo
5:05 pm - 12:00 amISP-SJU
6h 55m1 stop
Frontier Logo
3:39 am - 10:40 amSJU-ISP
7h 01m1 stop
$269Frontier
Find Deal
Fri, Sep 12 - Sun, Sep 14
Frontier Logo
5:05 pm - 12:00 amISP-SJU
6h 55m1 stop
Frontier Logo
3:39 am - 10:40 amSJU-ISP
7h 01m1 stop
$270Frontier
Find Deal
Mon, Sep 8 - Thu, Sep 11
Frontier Logo
5:05 pm - 12:00 amISP-SJU
6h 55m1 stop
Frontier Logo
3:39 am - 10:37 amSJU-ISP
6h 58m1 stop
$271Frontier
Find Deal
Fri, Oct 3 - Sat, Oct 4
Frontier Logo
5:05 pm - 12:00 amISP-SJU
6h 55m1 stop
Frontier Logo
3:39 am - 10:40 amSJU-ISP
7h 01m1 stop
$279Frontier
Find Deal
Fri, Sep 12 - Tue, Sep 23
Frontier Logo
5:05 pm - 12:00 amISP-SJU
6h 55m1 stop
Frontier Logo
3:39 am - 10:40 amSJU-ISP
7h 01m1 stop
$280Frontier
Find Deal
Sat, Sep 20 - Fri, Sep 26
Frontier Logo
5:05 pm - 12:00 amISP-SJU
6h 55m1 stop
Frontier Logo
3:39 am - 10:40 amSJU-ISP
7h 01m1 stop
$281Frontier
Find Deal
Fri, Sep 12 - Sun, Sep 14
JetBlue Logo
12:15 pm - 8:05 pmISP-SJU
6h 50m1 stop
JetBlue Logo
5:05 am - 11:18 amSJU-ISP
7h 13m1 stop
$309JetBlue
Find Deal
Wed, Nov 5 - Sun, Nov 9
Southwest Logo
5:30 am - 5:25 pmISP-SJU
11h 55m1 stop
Southwest Logo
8:00 am - 9:05 pmSJU-ISP
13h 05m1 stop
$339Southwest
Find Deal
Wed, Sep 24 - Wed, Oct 1
JetBlue Logo
11:35 am - 8:19 pmISP-SJU
8h 44m1 stop
JetBlue Logo
6:00 am - 2:44 pmSJU-ISP
8h 44m1 stop
$355JetBlue
Find Deal
Wed, Sep 24 - Tue, Sep 30

JetBlue flights from Islip, New York to San Juan Luis Munoz Marin Intl Airport

Our best JetBlue deals on Islip, New York to San Juan Luis Munoz Marin Intl Airport flight tickets
JetBlue
Nov 5
ISP12:15 pmIslip Long Island
6h 50m
1 stop
SJU8:05 pmSan Juan Luis Munoz Marin Intl
Nov 9
SJU5:05 amSan Juan Luis Munoz Marin Intl
7h 13m
1 stop
ISP11:18 amIslip Long Island
$309
Find similar
JetBlue
Sep 24
ISP11:35 amIslip Long Island
8h 44m
1 stop
SJU8:19 pmSan Juan Luis Munoz Marin Intl
Sep 30
SJU6:00 amSan Juan Luis Munoz Marin Intl
8h 44m
1 stop
ISP2:44 pmIslip Long Island
$355
Find similar
JetBlue
Jul 24
ISP1:51 pmIslip Long Island
6h 59m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
Sep 1
SJU6:01 amSan Juan Luis Munoz Marin Intl
6h 25m
1 stop
ISP12:26 pmIslip Long Island
$798
Find similar

Frontier flights from Islip, New York to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on Islip, New York to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Sep 8
ISP5:05 pmIslip Long Island
6h 55m
1 stop
SJU12:00 amSan Juan Luis Munoz Marin Intl
Sep 11
SJU3:39 amSan Juan Luis Munoz Marin Intl
7h 01m
1 stop
ISP10:40 amIslip Long Island
$261
Find similar
Frontier
Sep 12
ISP5:05 pmIslip Long Island
6h 55m
1 stop
SJU12:00 amSan Juan Luis Munoz Marin Intl
Sep 14
SJU3:39 amSan Juan Luis Munoz Marin Intl
7h 01m
1 stop
ISP10:40 amIslip Long Island
$269
Find similar
Frontier
Sep 8
ISP5:05 pmIslip Long Island
6h 55m
1 stop
SJU12:00 amSan Juan Luis Munoz Marin Intl
Sep 11
SJU3:39 amSan Juan Luis Munoz Marin Intl
7h 01m
1 stop
ISP10:40 amIslip Long Island
$270
Find similar

See travel insights to San Juan from

How to get the cheapest flight ticket from Islip, New York to San Juan Luis Munoz Marin Intl Airport

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 Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $210.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Islip, New York is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $251. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Islip, New York because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $302.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $228. Flights in the evening are often more expensive with an average ticket price of $321.

When to book flights from Islip, New York to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to San Juan Luis Munoz Marin Intl Airport (ISP to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$131

Fastest flight time

6h 47m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Islip, New York in the past 72 hours is $131. The best round-trip flight deal from Islip, New York to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $261.
The fastest flight from Islip, New York to San Juan Luis Munoz Marin Intl Airport takes 6h 47m
There are no direct flights from Islip, New York to San Juan Luis Munoz Marin Intl Airport. Popular non-direct route for this connection is Islip Long Island Airport - San Juan Luis Munoz Marin Intl Airport.
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  • How far is Islip Long Island to San Juan Luis Munoz Marin Intl by plane?

    The distance between Islip Long Island and San Juan Luis Munoz Marin Intl is about 1597.3 mi. Typically, this will take 6h 49m by plane in normal conditions.

  • When did momondo last update prices for flights from Islip Long Island Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Islip Long Island Airport to San Juan Luis Munoz Marin Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Islip Long Island Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Islip Long Island Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Islip, New York to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Islip, New York to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Islip, New York to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $59Free CancellationRating
5.9
3,271 reviews
Search Frontier flights
JetBluePriceFrom $231Free CancellationRating
7.3
2,910 reviews
Search JetBlue flights
SouthwestPriceFrom $477Free CancellationRating
8.0
4,250 reviews
Search Southwest flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Islip to San Juan for you.

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

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

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

Once all potential Islip to San Juan flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to San Juan from Islip. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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