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Cheap flights from San Juan to Islip (ISP) from $135

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SJU — ISP
Apr 24 — May 11
From?
To?
Wed 4/24
Wed 5/1
1 adult, Economy
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Cheap flight deals from San Juan to Islip

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Islip (ISP). 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 April 19, 2024.

Round-trip from

$214

One-way from

$135
From San Juan to Islip Long Island
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One-way flight from San Juan to Islip Long Island
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How far in advance should I book a flight from San Juan to Islip, New York?

Users have found that booking a flight from San Juan to Islip, New York at least 53 days early can save you up to 35% on average compared to booking a flight this week. If booking 53 days before your flight isn’t an option for you, users have found flights from San Juan to Islip, New York for as little as $265 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $362 for flights departing within the next 3 days.

What is the cheapest month to fly from San Juan to Islip, New York?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, September can be a great choice for travel to Islip, New York. Flights to Islip, New York from San Juan in September are about $276 on average during September, but can be found for as low as $78.

When is the cheapest time to fly from San Juan to Islip, New York (SJU - ISP)?

When flying from San Juan to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Frontier flights from San Juan to Islip

Explore cheap flight options specifically provided by Frontier for the route between San Juan and Islip. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,180,550 searches. Data last updated April 19, 2024.
Sat 5/185:38 pmSJU - ISP
1 stop16h 24mFrontier
Mon 5/2010:03 amISP - SJU
1 stop17h 33mFrontier
Deal found 4/18$190
Sat 4/208:15 pmSJU - ISP
1 stop13h 50mFrontier
Sat 4/277:39 pmISP - SJU
1 stop7h 44mFrontier
Deal found 4/18$208
Wed 5/83:08 amSJU - ISP
1 stop9h 40mFrontier
Mon 5/138:54 amISP - SJU
1 stop13h 43mFrontier
Deal found 4/17$264
Thu 5/97:43 pmSJU - ISP
1 stop13h 35mFrontier
Mon 5/138:54 amISP - SJU
1 stop13h 43mFrontier
Deal found 4/17$278
Sun 5/123:08 amSJU - ISP
1 stop7h 28mFrontier
Thu 5/167:19 pmISP - SJU
1 stop14h 01mFrontier
Deal found 4/18$308
Fri 5/1011:33 amSJU - ISP
1 stop9h 59mFrontier
Wed 5/156:05 pmISP - SJU
1 stop7h 49mFrontier
Deal found 4/18$471
Sat 5/182:59 amSJU - ISP
1 stop11h 06mFrontier
Wed 6/54:46 pmISP - SJU
1 stop9h 14mFrontier
Deal found 4/18$628

Cheap San Juan to Islip flights in April & May 2024

Find cheap flight options from San Juan to Islip specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,180,550 searches. Prices were last updated on April 19, 2024.
Sat 5/185:38 pmSJU - ISP
1 stop16h 24mFrontier
Mon 5/2010:03 amISP - SJU
1 stop17h 33mFrontier
Deal found 4/18$190
Sat 4/208:15 pmSJU - ISP
1 stop13h 50mFrontier
Sat 4/277:39 pmISP - SJU
1 stop7h 44mFrontier
Deal found 4/18$208
Wed 5/83:08 amSJU - ISP
1 stop9h 40mFrontier
Mon 5/138:54 amISP - SJU
1 stop13h 43mFrontier
Deal found 4/17$264
Fri 4/1911:33 amSJU - ISP
1 stop9h 59mFrontier
Fri 4/266:35 pmISP - SJU
1 stop7h 40mFrontier
Deal found 4/18$278
Sun 5/123:08 amSJU - ISP
1 stop7h 28mFrontier
Thu 5/167:19 pmISP - SJU
1 stop14h 01mFrontier
Deal found 4/18$308
Fri 5/1011:33 amSJU - ISP
1 stop9h 59mFrontier
Wed 5/156:05 pmISP - SJU
1 stop7h 49mFrontier
Deal found 4/18$471
Thu 5/97:43 pmSJU - ISP
1 stop13h 35mFrontier
Mon 5/138:54 amISP - SJU
1 stop8h 24mFrontier
Deal found 4/18$518
Sat 5/187:57 pmSJU - ISP
2 stops16h 28mMultiple Airlines
Mon 5/203:35 pmISP - SJU
3 stops25h 34mMultiple Airlines
Deal found 4/18$525
Sat 5/182:14 pmSJU - ISP
3 stops22h 11mMultiple Airlines
Mon 5/203:35 pmISP - SJU
3 stops25h 34mMultiple Airlines
Deal found 4/18$622

San Juan to Islip 2024 flight deals

Discover exclusive flight deals for travel between San Juan and Islip in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,180,550 searches. Data last updated April 19, 2024.
Sat 5/185:38 pmSJU - ISP
1 stop16h 24mFrontier
Mon 5/2010:03 amISP - SJU
1 stop17h 33mFrontier
Deal found 4/18$190
Sat 4/208:15 pmSJU - ISP
1 stop13h 50mFrontier
Sat 4/277:39 pmISP - SJU
1 stop7h 44mFrontier
Deal found 4/18$208
Wed 5/83:08 amSJU - ISP
1 stop9h 40mFrontier
Mon 5/138:54 amISP - SJU
1 stop13h 43mFrontier
Deal found 4/17$264
Fri 4/1911:33 amSJU - ISP
1 stop9h 59mFrontier
Fri 4/266:35 pmISP - SJU
1 stop7h 40mFrontier
Deal found 4/18$278
Sun 5/123:08 amSJU - ISP
1 stop7h 28mFrontier
Thu 5/167:19 pmISP - SJU
1 stop14h 01mFrontier
Deal found 4/18$308
Fri 5/1011:33 amSJU - ISP
1 stop9h 59mFrontier
Wed 5/156:05 pmISP - SJU
1 stop7h 49mFrontier
Deal found 4/18$471
Thu 5/97:43 pmSJU - ISP
1 stop13h 35mFrontier
Mon 5/138:54 amISP - SJU
1 stop8h 24mFrontier
Deal found 4/18$518
Sat 5/187:57 pmSJU - ISP
2 stops16h 28mMultiple Airlines
Mon 5/203:35 pmISP - SJU
3 stops25h 34mMultiple Airlines
Deal found 4/18$525
Sat 5/182:14 pmSJU - ISP
3 stops22h 11mMultiple Airlines
Mon 5/203:35 pmISP - SJU
3 stops25h 34mMultiple Airlines
Deal found 4/18$622

San Juan to Islip flights leaving soon

Find last-minute flight options from San Juan to Islip for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,180,550 searches. Data last updated April 19, 2024.
Sat 4/208:15 pmSJU - ISP
1 stop13h 50mFrontier
Sat 4/277:39 pmISP - SJU
1 stop7h 44mFrontier
Deal found 4/18$208

One-way flights to Islip from San Juan

Search for one-way flight options from San Juan to Islip. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,180,550 searches. Data last updated April 19, 2024.
Wed 5/292:49 amSJU - ISP
1 stop11h 16mFrontier
Deal found 4/18$135
Sun 4/287:43 pmSJU - ISP
1 stop13h 50mFrontier
Deal found 4/18$199
Thu 5/308:32 pmSJU - ISP
1 stop11h 41mFrontier
Deal found 4/18$219
Mon 4/293:08 amSJU - ISP
1 stop9h 40mFrontier
Deal found 4/17$399
Sat 4/272:50 amSJU - ISP
1 stop10h 08mFrontier
Deal found 4/18$459

Find flights from San Juan to Islip within your budget

Customize your flight search to find flights from San Juan to Islip 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 3,180,550 searches. Data last updated April 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$190 - $628

Route

Depart

Return

Price

San Juan Luis Munoz Marin IntlIslip Long Island

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Sat 5/18

1 stop16h 24m

Islip Long Island

Mon 5/20

1 stop17h 33m

$190

San Juan Luis Munoz Marin IntlIslip Long Island

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Wed 5/8

1 stop9h 40m

Islip Long Island

Mon 5/13

1 stop13h 43m

$264

San Juan Luis Munoz Marin IntlIslip Long Island

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Thu 5/9

1 stop13h 35m

Islip Long Island

Mon 5/13

1 stop13h 43m

$278

San Juan Luis Munoz Marin IntlIslip Long Island

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Sun 5/12

1 stop7h 28m

Islip Long Island

Thu 5/16

1 stop14h 01m

$308

San Juan Luis Munoz Marin IntlIslip Long Island

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Fri 5/10

1 stop9h 59m

Islip Long Island

Wed 5/15

1 stop7h 49m

$471

San Juan Luis Munoz Marin IntlIslip Long Island

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Sat 5/18

2 stops16h 28m

Islip Long Island

Mon 5/20

3 stops25h 34m

$525

San Juan Luis Munoz Marin IntlIslip Long Island

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Sat 5/18

3 stops22h 11m

Islip Long Island

Mon 5/20

3 stops25h 34m

$622

San Juan Luis Munoz Marin IntlIslip Long Island

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Sat 5/18

1 stop11h 06m

Islip Long Island

Wed 6/5

1 stop9h 14m

$628

Flights are sorted by cheapest first

Deals found on 4/18

When is the cheapest time to fly from San Juan to Islip, New York?

Use this chart to determine the cheapest time to fly round-trip from San Juan to Islip. Price data was last updated on March 31, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Juan to Islip, New York flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Islip by month

Plan your trip from San Juan to Islip by taking into account the cheapest months to travel. The average price of a one-way flight from San Juan to Islip is currently $282 while a round-trip flight costs $411. Price data was last updated on April 14, 2024.

Currently, December is the cheapest month in which you can book a flight from San Juan to Islip, New York (average of $78). Flying from San Juan to Islip, New York in February is currently the most expensive (average of $151). 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.

January

$101

February

$151

March

$135

April

$118

May

$134

June

$138

July

$150

August

$111

September

$90

October

$98

November

$88

December

$78

Temperature and rainfall in Islip by month

Plan your trip to Islip by taking into account the average temperature and rainfall totals by month.

NYC

Temperature

33.8 - 77 °F

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated April 19, 2024.
Frontier
6.3
Okay
4,163 reviews
Check prices

Comfort

5.8

Crew

7.1

Overall

6.3

Boarding

6.6

Food

5.2

Entertainment

5.0

Reviews

1 / 10

My flight is always delayed to Las Vegas And the seats always so uncomfortable

Frontier
6.3
Okay
4,163 reviews
Frontier
6.3
Okay
4,163 reviews
Check prices

Comfort

5.8

Crew

7.1

Overall

6.3

Boarding

6.6

Food

5.2

Entertainment

5.0

Reviews

1 / 10

My flight is always delayed to Las Vegas And the seats always so uncomfortable

Related info for your journey

Find useful and relevant information for your journey from San Juan to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from San Juan?

    For a flight from San Juan to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city. Long Island is the only Islip airport and it handles 0 inbound flights from San Juan per day. 0 airlines have flights to Islip Long Island from San Juan on a regular basis.

  • Can I find flights from San Juan to Islip, New York for under $200 on Cheapflights?

    Yes, there are multiple flights from San Juan to Islip, New York for under $200. The cheapest flight booked recently is on Frontier for just $190, but on average you can expect to pay $410.

  • Are there last-minute flights available from San Juan to Islip, New York for under $300?

    There are currently 1+ open flights from San Juan to Islip, New York within the next 7 days for less than $300.

  • What is the cheapest airline to fly from San Juan to Islip, New York round-trip?

    According to our current data, Frontier ($190), offers the cheapest pricing from San Juan to Islip, New York.

  • What does SJU to ISP mean?

    This is defined as San Juan Luis Munoz Marin Intl Airport (SJU) and Islip Long Island Airport (ISP). Codes like Islip Long Island Airport are often used to just call airports uniquely. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS), Ceiba J. Aponte de la Torre Airport (NRR).

  • Can I find deals for flights from San Juan to Islip that include extra baggage allowance?

    The amount of baggage you can bring on your San Juan to Islip flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Juan to Islip with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Juan to Islip flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Juan to Islip that include hotel bookings?

    Yes. In addition to deals on San Juan to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Juan to Islip.

  • Can I find deals for business class flights from San Juan to Islip?

    Yes. Cheapflights offers flight deals from San Juan to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Juan to Islip that allow pets onboard?

    Many airlines flying from San Juan to Islip offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Juan to Islip?

    Yes, you can often find last-minute deals on San Juan to Islip flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Juan to Islip, New York flight deals updated?

    The San Juan to Islip, New York flight deals you see on this page were last updated on 4/18.

See more FAQs

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Search flights from San Juan to Islip by cabin class

Find flights from San Juan to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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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 San Juan to Islip?

Cheapflights makes it easy to find San Juan to Islip 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 San Juan to Islip?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Juan to Islip for you. Better yet — we are completely free to use.

Can Cheapflights find flights from San Juan to Islip with no change fees?

Yes, we can. To see specific flights from San Juan to Islip 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 San Juan to Islip become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Islip from San Juan today and book when prices fit your budget.

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