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Uncover the best deals on Islip to San Antonio flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ISP - SAT Flights
Useful information for finding best airline tickets from Long Island Mac Arthur to San Antonio International on your next trip.
Cheapest Round Trip Flight
$363
Southwest Airlines
• 2 stops
• 18h 45m
Jul 02 – Jul 07
The cheapest round trip flight from Islip to San Antonio (ISP-SAT-ISP) is currently $363
Fastest Flight
1h 55m
The fastest nonstop flight from Islip to San Antonio (ISP-SAT) takes 1h 55m
Top Airlines Flying from Islip to San Antonio
Latest Flight Deals from Islip (ISP) to San Antonio (SAT)
Compare and book low fare round-trip air tickets from Islip to San Antonio. Ideal for travelers with confirmed return itineraries.
Jul 02 - Jul 07, Economy
Islip → San Antonio
18h 45m
5:20 AM - 3:45 PM • 2 stops
Islip → San Antonio
10h 25m
3:15 PM - 10:40 PM • 1 stop
Southwest Airlines
Jul 02 - Jul 07, Economy
Islip → San Antonio
1h 55m
3:05 PM - 1:00 AM • 2 stops
Islip → San Antonio
3h 30m
3:35 PM - 11:50 AM • 2 stops
Southwest Airlines
Jul 02 - Jul 07, Economy
Islip → San Antonio
15h 40m
9:10 AM - 5:50 PM • 2 stops
Islip → San Antonio
12h 20m
2:00 PM - 10:40 PM • 2 stops
Southwest Airlines
Jul 02 - Jul 07, Economy
Islip → San Antonio
20h 5m
6:00 AM - 5:05 PM • 2 stops
Islip → San Antonio
8h 55m
5:15 AM - 11:50 AM • 1 stop
Southwest Airlines
Jul 02 - Jul 07, Economy
Islip → San Antonio
20h 50m
9:10 AM - 9:00 PM • 2 stops
Islip → San Antonio
8h 55m
5:15 AM - 11:50 AM • 1 stop
Southwest Airlines
FAQs on Islip to San Antonio Flights
What are the airports in Islip?
ISP
What’s the most popular airline flying from ISP to SAT?
The most popular airline flying from Islip to San Antonio are
Can I fly from ISP to SAT non-stop?
NO
Which airlines fly nonstop between Islip and San Antonio?
The non-stop flights between Islip and San Antonio are .
What’s the earliest departure time from ISP to SAT Airport?
The earliest flight leaves ISP at 5:20 am and lands in SAT - San Antonio International
What are the airports in San Antonio?
SAT
Can I make changes to my Islip to San Antonio 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 SAT?
Read the fare rules of the Islip to San Antonio 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 Antonio?
operate flights between Islip and San Antonio
How long does a flight from Islip to San Antonio take?
It takes approximately 4 hour to fly non-stop from ISP to SAT, which is 1624.01 miles by air.
Which airlines provide the cheapest flights from Islip (ISP) to San Antonio (SAT) ?
In the past couple of days, the cheapest tickets to SAT from ISP were found on WN : USD 836
Do I need a passport to fly between ISP and SAT?
No
What’s the latest departure time from ISP to SAT ?
The last flight leaves ISP at 3:05 pm
Islip (ISP) to San Antonio (SAT): Airport Information
| Origin Airport | Long Island Mac Arthur , Islip, US |
| Destination Airport | San Antonio International , San Antonio, US |
| Distance | 1624 miles |
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