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Cheap flights from San Antonio to New York from $191

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to New York departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from San Antonio to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:53 pm - 9:53 amSAT  San Antonio-ISP Islip Long Island
40h 00m2 stops Pensacola Orlando
Multiple Airlines Logo
10:57 am - 8:56 amISP  Islip Long Island-SAT San Antonio
22h 59m1 stop Orlando
$443Multiple Airlines
Wed, Aug 26 - Sun, Aug 30
Southwest Logo
5:50 am - 12:00 pmSAT  San Antonio-ISP Islip Long Island
5h 10m1 stop Baltimore/Washington
Southwest Logo
6:05 am - 11:15 amISP  Islip Long Island-SAT San Antonio
6h 10m1 stop Baltimore/Washington
$457Southwest
Thu, Nov 26 - Tue, Dec 1
Multiple Airlines Logo
5:38 pm - 9:53 amSAT  San Antonio-ISP Islip Long Island
39h 15m2 stops Pensacola Orlando
Multiple Airlines Logo
11:57 am - 9:15 amISP  Islip Long Island-SAT San Antonio
22h 18m1 stop Raleigh-Durham
$466Multiple Airlines
Sat, Aug 29 - Wed, Sep 2
Southwest Logo
5:50 am - 12:00 pmSAT  San Antonio-ISP Islip Long Island
5h 10m1 stop Baltimore/Washington
Southwest Logo
12:30 pm - 8:35 pmISP  Islip Long Island-SAT San Antonio
9h 05m2 stops Baltimore/Washington Dallas Love Field
$482Southwest
Thu, Nov 26 - Tue, Dec 1
Southwest Logo
6:00 am - 2:30 pmSAT  San Antonio-ISP Islip Long Island
7h 30m1 stop Baltimore/Washington
Southwest Logo
6:05 am - 11:00 amISP  Islip Long Island-SAT San Antonio
5h 55m1 stop Baltimore/Washington
$488Southwest
Sat, Aug 29 - Wed, Sep 2
Southwest Logo
11:50 am - 9:05 pmSAT  San Antonio-ISP Islip Long Island
8h 15m1 stop Orlando
Southwest Logo
5:55 pm - 12:55 amISP  Islip Long Island-SAT San Antonio
8h 00m1 stop Orlando
$494Southwest
Fri, Dec 25 - Mon, Dec 28
Southwest Logo
9:45 am - 8:45 pmSAT  San Antonio-ISP Islip Long Island
10h 00m2 stops Dallas Love Field Baltimore/Washington
Southwest Logo
12:55 pm - 8:30 pmISP  Islip Long Island-SAT San Antonio
8h 35m2 stops Baltimore/Washington Dallas Love Field
$498Southwest
Sat, Aug 29 - Wed, Sep 2
Southwest Logo
6:45 am - 4:15 pmSAT  San Antonio-ISP Islip Long Island
8h 30m2 stops Dallas Love Field Baltimore/Washington
Southwest Logo
5:55 pm - 12:55 amISP  Islip Long Island-SAT San Antonio
8h 00m1 stop Orlando
$499Southwest
Fri, Dec 25 - Mon, Dec 28
Frontier Logo
8:26 pm - 6:14 pmSAT  San Antonio-ISP Islip Long Island
20h 48m2 stops Denver Intl Orlando
Frontier Logo
10:57 am - 9:29 pmISP  Islip Long Island-SAT San Antonio
35h 32m2 stops Orlando Las Vegas Harry Reid Intl
$502Frontier
Wed, Aug 26 - Sun, Aug 30
Southwest Logo
6:45 am - 4:15 pmSAT  San Antonio-ISP Islip Long Island
8h 30m2 stops Dallas Love Field Baltimore/Washington
Southwest Logo
4:55 pm - 12:55 amISP  Islip Long Island-SAT San Antonio
9h 00m2 stops Baltimore/Washington Orlando
$504Southwest
Fri, Dec 25 - Mon, Dec 28

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Southwest flights from San Antonio to Islip, New York

Our best Southwest deals on San Antonio to Islip, New York flight tickets
Southwest
Nov 26
SAT5:50 amSan Antonio
5h 10m
1 stop
ISP12:00 pmIslip Long Island
Dec 1
ISP6:05 amIslip Long Island
6h 10m
1 stop
SAT11:15 amSan Antonio
$457
Southwest
Nov 26
SAT5:50 amSan Antonio
5h 10m
1 stop
ISP12:00 pmIslip Long Island
Dec 1
ISP12:30 pmIslip Long Island
9h 05m
2 stops
SAT8:35 pmSan Antonio
$482
Southwest
Aug 29
SAT6:00 amSan Antonio
7h 30m
1 stop
ISP2:30 pmIslip Long Island
Sep 2
ISP6:05 amIslip Long Island
5h 55m
1 stop
SAT11:00 amSan Antonio
$488

Breeze Airways flights from San Antonio to Islip, New York

Our best Breeze Airways deals on San Antonio to Islip, New York flight tickets
Breeze Airways
Nov 12
SAT9:25 amSan Antonio
27h 57m
1 stop
ISP2:22 pmIslip Long Island
Nov 14
ISP12:00 pmIslip Long Island
21h 45m
1 stop
SAT8:45 amSan Antonio
$608
Breeze Airways
Aug 29
SAT5:38 pmSan Antonio
22h 32m
3 stops
ISP5:10 pmIslip Long Island
Sep 2
ISP11:57 amIslip Long Island
22h 18m
1 stop
SAT9:15 amSan Antonio
$739
Breeze Airways
Nov 12
SAT9:25 amSan Antonio
27h 57m
1 stop
ISP2:22 pmIslip Long Island
Nov 14
ISP3:43 pmIslip Long Island
45h 15m
3 stops
SAT11:58 amSan Antonio
$763

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Islip, New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 15, 2026.
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

Price

Cheapest round-trip

San AntonioIslip

SAT San Antonio - ISP Islip Long Island

SATISP

San Antonio

Wed 8/26

4:53 pm-9:53 am

2 stops40h 00m

Islip Long Island

Sun 8/30

10:57 am-8:56 am

1 stop22h 59m

$443
Quickest round-trip

San AntonioIslip

SAT San Antonio - ISP Islip Long Island

SATISP

San Antonio

Thu 11/26

5:50 am-12:00 pm

1 stop5h 10m

Islip Long Island

Tue 12/1

6:05 am-11:15 am

1 stop6h 10m

$457

San AntonioIslip

SAT San Antonio - ISP Islip Long Island

SATISP

San Antonio

Sat 8/29

5:38 pm-9:53 am

2 stops39h 15m

Islip Long Island

Wed 9/2

11:57 am-9:15 am

1 stop22h 18m

$466

San AntonioIslip

SAT San Antonio - ISP Islip Long Island

SATISP

San Antonio

Thu 11/26

5:50 am-12:00 pm

1 stop5h 10m

Islip Long Island

Tue 12/1

12:30 pm-8:35 pm

2 stops9h 05m

$482

San AntonioIslip

SAT San Antonio - ISP Islip Long Island

SATISP

San Antonio

Sat 8/29

6:00 am-2:30 pm

1 stop7h 30m

Islip Long Island

Wed 9/2

6:05 am-11:00 am

1 stop5h 55m

$488

San AntonioIslip

SAT San Antonio - ISP Islip Long Island

SATISP

San Antonio

Fri 12/25

11:50 am-9:05 pm

1 stop8h 15m

Islip Long Island

Mon 12/28

5:55 pm-12:55 am

1 stop8h 00m

$494

San AntonioIslip

SAT San Antonio - ISP Islip Long Island

SATISP

San Antonio

Sat 8/29

9:45 am-8:45 pm

2 stops10h 00m

Islip Long Island

Wed 9/2

12:55 pm-8:30 pm

2 stops8h 35m

$498

San AntonioIslip

SAT San Antonio - ISP Islip Long Island

SATISP

San Antonio

Fri 12/25

6:45 am-4:15 pm

2 stops8h 30m

Islip Long Island

Mon 12/28

5:55 pm-12:55 am

1 stop8h 00m

$499

San AntonioIslip

SAT San Antonio - ISP Islip Long Island

SATISP

San Antonio

Wed 8/26

8:26 pm-6:14 pm

2 stops20h 48m

Islip Long Island

Sun 8/30

10:57 am-9:29 pm

2 stops35h 32m

$502

San AntonioIslip

SAT San Antonio - ISP Islip Long Island

SATISP

San Antonio

Fri 12/25

6:45 am-4:15 pm

2 stops8h 30m

Islip Long Island

Mon 12/28

4:55 pm-12:55 am

2 stops9h 00m

$504

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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

Can stopping save me money on San Antonio to Islip, New York flights?

You could potentially save up to 65% on your flight if you consider stops on a San Antonio to Islip, New York flight.

When to book flights from San Antonio to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Fastest flight time

26h 33m

Direct flights

None
The fastest flight from San Antonio to Islip, New York takes 26h 33m
There are no direct flights from San Antonio to Islip, New York. There are no popular flight routes from San Antonio to Islip, New York.
Search flight deals

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 26h 33m.

  • 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?

  • 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?

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
SouthwestPriceFrom $309Free CancellationRating
8.0
4,219 reviews
Search Southwest flights

Traveling to a place near New York?

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Why 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.

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