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Not ready to book? to track prices.Southwest flights from San Antonio to Islip, New York
Our best Southwest deals on San Antonio to Islip, New York flight tickets
Breeze Airways flights from San Antonio to Islip, New York
Our best Breeze Airways deals on San Antonio to Islip, New York flight tickets
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Use the filters below to find and compare flights from San Antonio to Islip, New York that are best for you.
Fly from
Fly to
Route
Depart
Return
San AntonioIslip
SAT San Antonio - ISP Islip Long Island
SATISP
San Antonio
Tue 11/17
5:30 am-11:45 am
1 stop5h 15m
Islip Long Island
Wed 11/18
4:05 pm-9:25 pm
1 stop6h 20m
San AntonioIslip
SAT San Antonio - ISP Islip Long Island
SATISP
San Antonio
Tue 11/17
5:30 am-11:45 am
1 stop5h 15m
Islip Long Island
Wed 11/18
4:05 pm-11:10 pm
2 stops8h 05m
San AntonioIslip
SAT San Antonio - ISP Islip Long Island
SATISP
San Antonio
Tue 11/17
6:45 am-4:15 pm
2 stops8h 30m
Islip Long Island
Wed 11/18
4:05 pm-11:10 pm
2 stops8h 05m
San AntonioIslip
SAT San Antonio - ISP Islip Long Island
SATISP
San Antonio
Tue 11/3
11:50 am-9:05 pm
1 stop8h 15m
Islip Long Island
Wed 11/4
4:05 pm-9:25 pm
1 stop6h 20m
San AntonioIslip
SAT San Antonio - ISP Islip Long Island
SATISP
San Antonio
Tue 11/10
5:30 am-4:15 pm
1 stop9h 45m
Islip Long Island
Wed 11/11
4:05 pm-9:25 pm
1 stop6h 20m
San AntonioIslip
SAT San Antonio - ISP Islip Long Island
SATISP
San Antonio
Tue 11/10
6:45 am-4:15 pm
2 stops8h 30m
Islip Long Island
Wed 11/11
4:05 pm-9:25 pm
1 stop6h 20m
San AntonioIslip
SAT San Antonio - ISP Islip Long Island
SATISP
San Antonio
Tue 11/3
11:50 am-9:05 pm
1 stop8h 15m
Islip Long Island
Wed 11/4
4:05 pm-11:10 pm
2 stops8h 05m
San AntonioIslip
SAT San Antonio - ISP Islip Long Island
SATISP
San Antonio
Tue 11/10
6:45 am-4:15 pm
2 stops8h 30m
Islip Long Island
Wed 11/11
4:05 pm-11:10 pm
2 stops8h 05m
San AntonioIslip
SAT San Antonio - ISP Islip Long Island
SATISP
San Antonio
Sat 10/24
8:21 pm-5:30 pm
2 stops20h 09m
Islip Long Island
Wed 10/28
12:00 pm-8:45 am
1 stop21h 45m
San AntonioIslip
SAT San Antonio - ISP Islip Long Island
SATISP
San Antonio
Thu 1/7
9:50 am-2:22 pm
1 stop27h 32m
Islip Long Island
Sun 1/10
10:57 am-12:18 pm
2 stops26h 21m
See travel insights to New York from
How to get the cheapest flight ticket from San Antonio to Islip, New York
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest airline that flies from San Antonio to Islip Long Island?
Frontier, Breeze Airways, and Southwest are the most popular carriers operating from San Antonio to Islip Long Island
What airlines fly to Islip, New York?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Islip, New York from San Antonio according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 6 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.
When to book flights from San Antonio to Islip, New York
Cheap San Antonio to Islip, New York (SAT to ISP) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Antonio to Islip, New York
Frequently asked questions about flying from San Antonio to Islip, New York
How far is San Antonio to Islip Long Island by plane?
The distance between San Antonio and Islip Long Island is about 1619.5 mi. A reasonable flight in good conditions will take 5h 15m.
When did momondo last update prices for flights from San Antonio Airport to Islip Long Island Airport?
Prices for flights from San Antonio Airport to Islip Long Island Airport refresh daily.
How many operators does momondo search for flights from San Antonio Airport to Islip Long Island Airport?
The number of operators available for flights from San Antonio Airport to Islip Long Island Airport is 1 as of October 2026.
How old do you have to be to fly from San Antonio Airport to Islip Long Island Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The necessary travel and health documents for your Islip Long Island Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from San Antonio to Islip, New York?
Based on momondo bookings for flights between San Antonio and Islip, New York, the leading airline is Southwest, making up 100% of the total bookings.
Best airlines flying from San Antonio to Islip, New York
Compare and see reviews for airlines that fly from San Antonio to Islip, New York with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $368 | Free Cancellation | Rating 7.9 4,228 reviews |
Traveling to a place near New York?
Book flights to New York if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Antonio to Islip?
It is quick and easy to find San Antonio to Islip flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Islip that suits you.
Can I find flights from San Antonio to Islip with flexible booking policies on momondo?
Yes. All flights to Islip from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from San Antonio to Islip?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Islip from San Antonio.
I’m not ready to book a flight from San Antonio to Islip right now. Can momondo alert me if prices change?
If you are not ready to book a flight from San Antonio to Islip now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Islip and let you know when they change.