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Uncover the best deals on Islip to San Juan flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ISP - SJU Flights
Useful information for finding best airline tickets from Long Island Mac Arthur to Luis Munoz Marin International on your next trip.
Cheapest Round Trip Flight
$162
Frontier Airlines
• 1 stop
• 14h 4m
Nov 20 – Nov 25
The cheapest round trip flight from Islip to San Juan (ISP-SJU-ISP) is currently $162
Fastest Flight
11h 55m
The fastest nonstop flight from Islip to San Juan (ISP-SJU) takes 11h 55m
Top Airlines Flying from Islip to San Juan
Latest Flight Deals from Islip (ISP) to San Juan (SJU)
Compare and book low fare round-trip air tickets from Islip to San Juan. Ideal for travelers with confirmed return itineraries.
Nov 20 - Nov 25, Economy
Islip → San Juan
14h 4m
4:40 PM - 2:24 AM • 1 stop
Islip → San Juan
15h 28m
7:17 AM - 3:45 PM • 1 stop
Frontier Airlines
Nov 20 - Nov 25, Economy
Islip → San Juan
17h 5m
1:35 PM - 1:00 AM • 1 stop
Islip → San Juan
17h 5m
2:25 PM - 11:50 PM • 2 stops
Southwest Airlines
Nov 20 - Nov 25, Economy
Islip → San Juan
12h 20m
6:00 AM - 2:40 PM • 1 stop
Islip → San Juan
16h 55m
7:05 AM - 4:20 PM • 2 stops
Southwest Airlines
Nov 20 - Nov 25, Economy
Islip → San Juan
11h 55m
4:45 PM - 1:00 AM • 1 stop
Islip → San Juan
10h 45m
6:05 PM - 11:50 PM • 1 stop
Southwest Airlines
Nov 20 - Nov 25, Economy
Islip → San Juan
23h 45m
5:40 PM - 9:05 AM • 2 stops
Islip → San Juan
10h 25m
6:05 AM - 11:30 AM • 1 stop
Southwest Airlines
FAQs on Islip to San Juan Flights
What are the airports in Islip?
ISP
What’s the most popular airline flying from ISP to SJU?
The most popular airline flying from Islip to San Juan are
Can I fly from ISP to SJU non-stop?
NO
Which airlines fly nonstop between Islip and San Juan?
The non-stop flights between Islip and San Juan are .
What’s the earliest departure time from ISP to SJU Airport?
The earliest flight leaves ISP at 5:35 am and lands in SJU - Luis Munoz Marin International
What are the airports in San Juan?
SJU
Can I make changes to my Islip to San Juan flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ISP to SJU?
Read the fare rules of the Islip to San Juan air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Islip and San Juan?
operate flights between Islip and San Juan
How long does a flight from Islip to San Juan take?
It takes approximately 4 hour to fly non-stop from ISP to SJU, which is 1596.59 miles by air.
Which airlines provide the cheapest flights from Islip (ISP) to San Juan (SJU) ?
In the past couple of days, the cheapest tickets to SJU from ISP were found on WN : USD 681
Do I need a passport to fly between ISP and SJU?
Yes
What’s the latest departure time from ISP to SJU ?
The last flight leaves ISP at 5:40 pm
Islip (ISP) to San Juan (SJU): Airport Information
| Origin Airport | Long Island Mac Arthur , Islip, US |
| Destination Airport | Luis Munoz Marin International , San Juan, PR |
| Distance | 1597 miles |
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