United States
USD

ISP - SJU

$175 Find Cheap Flights from Islip to San Juan - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 19% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

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
Top layover airports
Tampa (TPA)
Cheapest • Avg $325 (round-trip)
Baltimore/Washington (BWI)
Shortest trip • 6h 37m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Juan Luis Munoz Marin Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to Luis Munoz Marin Intl

Fri, Oct 30 - Sat, Nov 7
Frontier Logo
6:54 pm - 1:50 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
6h 56m1 stop Orlando
Frontier Logo
7:23 am - 5:31 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
11h 08m1 stop Orlando
$340Frontier
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
12:00 pm - 5:21 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
29h 21m2 stops Raleigh-Durham Orlando
Multiple Airlines Logo
7:25 pm - 5:31 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
23h 06m1 stop Orlando
$351Multiple Airlines
Mon, Oct 19 - Fri, Oct 23
Frontier Logo
6:55 pm - 5:37 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
22h 42m1 stop Orlando
Frontier Logo
3:00 am - 5:30 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
14h 30m1 stop Orlando
$356Frontier
Sun, Oct 25 - Wed, Oct 28
Frontier Logo
6:25 pm - 2:36 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
20h 11m1 stop Orlando
Frontier Logo
6:25 pm - 5:31 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
23h 06m1 stop Orlando
$356Frontier
Sun, Oct 25 - Wed, Oct 28
Frontier Logo
6:25 pm - 6:39 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
24h 14m1 stop Orlando
Frontier Logo
2:55 am - 5:31 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
14h 36m1 stop Orlando
$360Frontier
Sat, Oct 17 - Wed, Oct 21
Frontier Logo
6:25 pm - 9:18 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
14h 53m1 stop Orlando
Frontier Logo
6:42 pm - 5:30 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
22h 48m1 stop Orlando
$396Frontier
Sat, Nov 7 - Sat, Nov 14
Multiple Airlines Logo
6:33 pm - 2:46 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
7h 13m1 stop Orlando
Multiple Airlines Logo
6:25 am - 9:37 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
16h 12m1 stop Fort Lauderdale
$398Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
2:28 pm - 2:24 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
23h 56m1 stop Orlando
Multiple Airlines Logo
7:25 pm - 5:31 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
23h 06m1 stop Orlando
$400Multiple Airlines
Sat, Nov 7 - Sat, Nov 14
Southwest Logo
12:45 pm - 11:35 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
9h 50m2 stops Baltimore/Washington Orlando
Southwest Logo
6:45 am - 2:55 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
9h 10m1 stop Baltimore/Washington
$402Southwest
Sat, Nov 7 - Fri, Nov 13
Southwest Logo
12:45 pm - 11:35 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
9h 50m2 stops Baltimore/Washington Orlando
Southwest Logo
6:35 am - 5:05 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
11h 30m1 stop Baltimore/Washington
$402Southwest
Booking Insights

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.

Which airline is the cheapest to fly from Islip to San Juan Luis Munoz Marin Intl Airport?

Frontier ($340) and Southwest ($402) are the cheapest airlines to fly round-trip from Islip to San Juan Luis Munoz Marin Intl Airport according to KAYAK data over the last 5 days.

Find deals

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

Cheapest flight

$175
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.

  • 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 $340 to $1,724. That means the highest observed fare was about 5x higher than the lowest one.

  • 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

  • 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.

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