ISP - SJU

$179 Find Cheap Flights from Islip to San Juan - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$408
Typical prices: $392-$686
Frontier
Thu 1/25Sun 2/4
ISP - SJU • 1 stop
Cheapest one-way
$179
Typical prices: $278-$408
Multiple Airlines
Wed 2/21
ISP - SJU • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Islip and San Juan Luis Munoz Marin Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
January
Cheapest • 35% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Tampa (TPA)
Cheapest • Avg $325 (round-trip)
Baltimore/Washington (BWI)
Shortest trip • 6h 37m (one-way)
Insights
Insights
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We hope you love your trip to San Juan Luis Munoz Marin Intl Airport!

Cheap Flights from Islip to Luis Munoz Marin Intl (ISP-SJU)

 

Cheap flights from Islip to Luis Munoz Marin Intl with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Mon, Jan 25 - Thu, Feb 4
Frontier Logo
11:59 am - 9:48 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
8h 49m1 stop Orlando
Frontier Logo
10:53 pm - 11:04 amSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
13h 11m1 stop Orlando
$408Frontier
Sat, Oct 24 - Wed, Oct 28
Frontier Logo
6:25 pm - 9:03 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
14h 38m1 stop Orlando
Frontier Logo
6:25 pm - 5:31 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
23h 06m1 stop Orlando
$411Frontier
Mon, Jan 25 - Thu, Jan 28
Frontier Logo
11:59 am - 2:50 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
13h 51m1 stop Orlando
Frontier Logo
3:55 am - 11:04 amSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
8h 09m1 stop Orlando
$412Frontier
Mon, Jan 18 - Thu, Jan 21
Frontier Logo
11:59 am - 9:48 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
8h 49m1 stop Orlando
Frontier Logo
3:55 am - 11:04 amSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
8h 09m1 stop Orlando
$412Frontier
Thu, Nov 5 - Tue, Nov 10
Southwest Logo
4:25 pm - 1:00 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
7h 35m1 stop Orlando
Southwest Logo
6:40 am - 4:15 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
10h 35m1 stop Baltimore/Washington
$422Southwest
Thu, Nov 5 - Tue, Nov 10
Southwest Logo
1:35 pm - 1:00 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
10h 25m2 stops West Palm Beach President Donald J. Trump Intl Orlando
Southwest Logo
6:40 am - 11:45 amSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
6h 05m1 stop Baltimore/Washington
$422Southwest
Mon, Jan 18 - Sat, Jan 23
Southwest Logo
1:00 pm - 11:40 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
9h 40m1 stop Orlando
Southwest Logo
5:35 am - 4:00 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
11h 25m2 stops Orlando Baltimore/Washington
$422Southwest
Sun, Jan 17 - Wed, Jan 20
Southwest Logo
3:50 pm - 11:05 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
6h 15m1 stop Baltimore/Washington
Southwest Logo
6:15 am - 3:45 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
10h 30m1 stop Baltimore/Washington
$422Southwest
Fri, Nov 6 - Tue, Nov 10
Southwest Logo
1:35 pm - 11:00 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
8h 25m2 stops West Palm Beach President Donald J. Trump Intl Orlando
Southwest Logo
12:30 pm - 9:45 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
10h 15m2 stops Orlando Baltimore/Washington
$422Southwest
Fri, Nov 6 - Tue, Nov 10
Southwest Logo
1:35 pm - 11:00 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
8h 25m2 stops West Palm Beach President Donald J. Trump Intl Orlando
Southwest Logo
6:40 am - 11:45 amSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
6h 05m1 stop Baltimore/Washington
$422Southwest

Price, demand and travel trends for Islip to San Juan Luis Munoz Marin Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Islip to San Juan Luis Munoz Marin Intl Airport?

Round-trip flights from Islip to San Juan Luis Munoz Marin Intl Airport typically range from $392 to $686. The lowest price found in the past 5 days was $408, on Frontier.

What's the cheapest day of the week to fly from Islip to San Juan Luis Munoz Marin Intl Airport?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Islip to San Juan Luis Munoz Marin Intl Airport. It’s 33% cheaper than the average day, while Sunday is the most expensive, with prices 55% higher.

Find deals

Key details for Islip to San Juan Luis Munoz Marin Intl Airport flights

Cheapest flight

$179
The most popular month to fly with an average 13% increase in travelers.
One-way flight from Islip to San Juan Luis Munoz Marin Intl Airport

When to book flights from Islip to Luis Munoz Marin Intl

Are your dates flexible? Find out the best times to travel from Islip to Luis Munoz Marin Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Islip to San Juan Luis Munoz Marin Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Islip to San Juan Luis Munoz Marin Intl Airport?

    Only Economy Class is available on flights from Islip to San Juan Luis Munoz Marin Intl Airport.

  • How long is a flight from Islip to San Juan Luis Munoz Marin Intl Airport?

    A nonstop flight from Islip to San Juan Luis Munoz Marin Intl Airport takes 00m, covering 1,599 miles.

  • Do I need a passport to fly from Islip to San Juan Luis Munoz Marin Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Islip to San Juan Luis Munoz Marin Intl Airport flight?

    Round-trip flights from Islip to San Juan Luis Munoz Marin Intl Airport range from $392 to $686, with an average of $563 over the past 12 months. Anything below $392 counts as a good deal.

  • Have flight prices from Islip to San Juan Luis Munoz Marin Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $408 to $1,752. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Islip to San Juan Luis Munoz Marin Intl Airport looking right now?

    One-way fares from Islip to San Juan Luis Munoz Marin Intl Airport are currently lower than usual. Average one-way flight prices are about $219, which is 32% below the typical average for this route.

  • What car rental options are available at San Juan Luis Munoz Marin Intl Airport (SJU)?

    San Juan Luis Munoz Marin Intl Airport (SJU) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • U-Save
    • Hertz
    • Payless
    • Europcar

  • Which airports can I use when flying from Islip to San Juan Luis Munoz Marin Intl Airport?

    Flights from Islip to San Juan Luis Munoz Marin Intl Airport usually depart from Islip Long Island (ISP) and arrive at San Juan Luis Munoz Marin Intl (SJU).

  • Which airports do connecting flights from Islip to San Juan Luis Munoz Marin Intl Airport pass through?

    One-stop flights from Islip to San Juan Luis Munoz Marin Intl Airport most commonly connect through:

    • Baltimore/Washington (BWI) - 53% of one-stop connections
    • Orlando (MCO) - 24% of one-stop connections
    • Fort Lauderdale (FLL) - 18% of one-stop connections
    • Tampa (TPA) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Islip to San Juan Luis Munoz Marin Intl Airport?

    Yes. Flexible dates can save you up to 57% on flights from Islip to San Juan Luis Munoz Marin Intl Airport. Tuesday is the cheapest departure day at $382 round-trip on average, while Sunday is the most expensive at $876, a difference of $494.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Islip to San Juan Luis Munoz Marin Intl Airport?

    Flying via Baltimore/Washington (BWI) gives the shortest average 1-stop total travel time at 6h 37m, compared with 7h 26m via Fort Lauderdale (FLL) and 9h 31m via Orlando (MCO).

  • What popular places can I visit in San Juan Luis Munoz Marin Intl Airport?

    Some of the most popular sights in San Juan Luis Munoz Marin Intl Airport are Viejo San Juan, Condado Beach and Puerto Rico Convention Center. These are among the most viewed places in San Juan Luis Munoz Marin Intl Airport on KAYAK.

Your guide to booking Islip to San Juan Luis Munoz Marin Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $382, about $494 less than Sunday fares (56% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Islip to San Juan Luis Munoz Marin Intl Airport trip for January. Fares historically average $367 round-trip in that month - typically $509 less than the most expensive month, which is February (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Juan Luis Munoz Marin Intl Airport.

    • Coral by The Sea Hotel
    • Hampton Inn & Suites by Hilton San Juan
    • San Juan Airport Hotel

More options for your flight from Islip to Luis Munoz Marin Intl

Complete your trip to San Juan with a hotel stay or car rental

Car rentals in San Juan
Hotels in San Juan
Vacations in San Juan