ISP - SJU

$132 Find Cheap Flights from Islip to San Juan - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% 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

Cheapest round-trip
$260
Typical prices: $374-$608
Frontier
Tue 9/25Fri 9/28
ISP - SJU • 1 stop
Cheapest one-way
$132
Typical prices: $320-$398
Frontier
Sun 10/7
ISP - SJU • 1 stop
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 • 30% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg $383 (round-trip)
Baltimore/Washington (BWI)
Shortest trip • 6h 40m (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, Sep 25 - Mon, Sep 28
Frontier Logo
5:43 pm - 9:35 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
15h 52m1 stop Orlando
Frontier Logo
2:57 am - 4:58 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
14h 01m1 stop Orlando
$260Frontier
Fri, Sep 11 - Sun, Sep 13
Frontier Logo
5:43 pm - 1:52 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
8h 09m1 stop Orlando
Frontier Logo
2:57 am - 4:58 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
14h 01m1 stop Orlando
$261Frontier
Fri, Sep 18 - Mon, Sep 21
Frontier Logo
6:48 pm - 4:40 pmISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
21h 52m1 stop Tampa
Frontier Logo
3:55 pm - 4:58 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
25h 03m1 stop Orlando
$264Frontier
Thu, Oct 15 - Sun, Oct 18
Frontier Logo
6:25 pm - 1:53 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
7h 28m1 stop Orlando
Frontier Logo
10:39 am - 5:30 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
6h 51m1 stop Orlando
$264Frontier
Fri, Sep 25 - Mon, Sep 28
Frontier Logo
5:43 pm - 9:35 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
15h 52m1 stop Orlando
Frontier Logo
2:57 am - 4:58 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
14h 01m1 stop Orlando
$264Frontier
Wed, Oct 7 - Wed, Oct 14
Frontier Logo
5:43 pm - 1:52 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
8h 09m1 stop Orlando
Frontier Logo
6:42 pm - 5:30 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
22h 48m1 stop Orlando
$275Frontier
Mon, Oct 26 - Fri, Oct 30
Frontier Logo
6:55 pm - 9:15 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
14h 20m1 stop Orlando
Frontier Logo
7:23 am - 5:56 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
10h 33m1 stop Orlando
$276Frontier
Sat, Oct 3 - Sat, Oct 10
Frontier Logo
5:43 pm - 1:52 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
8h 09m1 stop Orlando
Frontier Logo
10:39 am - 5:30 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
6h 51m1 stop Orlando
$276Frontier
Mon, Oct 26 - Fri, Oct 30
Southwest Logo
5:40 pm - 12:05 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
6h 25m1 stop Baltimore/Washington
Southwest Logo
6:00 am - 5:00 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
11h 00m2 stops Tampa Baltimore/Washington
$346Southwest
Mon, Oct 26 - Fri, Oct 30
Southwest Logo
3:10 pm - 12:20 amISP  Islip Long Island-SJU San Juan Luis Munoz Marin Intl
9h 10m2 stops Baltimore/Washington Orlando
Southwest Logo
5:00 am - 2:30 pmSJU  San Juan Luis Munoz Marin Intl-ISP Islip Long Island
9h 30m2 stops Orlando Baltimore/Washington
$346Southwest
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 from Islip to San Juan Luis Munoz Marin Intl Airport 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 start at $260. Prices are below average for this route right now, with typical round-trip fares ranging from $374 to $608. The lowest price found in the past 5 days was $260 on Frontier.

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

Friday is the cheapest day of the week to fly from Islip to San Juan Luis Munoz Marin Intl Airport, it is 32% cheaper than the average day. Sunday is the most expensive day with flight prices 68% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

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

Low season

April

Cheapest flight

$132
Best time to beat the crowds but there is an average 53% increase in price.
Most popular time to fly and prices are also 30% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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) - 29% of one-stop connections
    • Fort Lauderdale (FLL) - 18% of one-stop connections

    Baltimore/Washington (BWI) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 60% on the Islip to San Juan Luis Munoz Marin Intl Airport route. Friday is the cheapest departure day at $356 round-trip on average, while Sunday is the most expensive at $876, a difference of $520. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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.

  • 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 0h 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 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 $170, which is 50% below the typical average for this route.

  • 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 40m, compared with 7h 26m via Fort Lauderdale (FLL) and 10h 05m via Orlando (MCO).

  • 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
    · Payless
    · Hertz
    · Europcar

  • 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 $374 to $608, with an average of $521 over the past 12 months. Anything below $374 counts as a good deal.

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 can be flexible, aim for a Friday departure instead of Sunday. On this route, Friday flights average $356 - about $520 less than Sunday (59% 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

Everything you need to know for your flight from Islip to Luis Munoz Marin Intl

Information on your arrival and departure airports

Islip (ISP)
Luis Munoz Marin Intl (SJU)