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Cheap flights from San Antonio to New York from $168

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 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Antonio to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:00 am - 11:50 am
SAT
-
ISP
5h 50m
1 stop
Southwest Logo
4:10 pm - 9:40 pm
ISP
-
SAT
6h 30m
1 stop
$391Southwest
Mon, May 18 - Tue, May 26
Southwest Logo
11:10 am - 8:25 pm
SAT
-
ISP
8h 15m
2 stops
Southwest Logo
4:10 pm - 9:40 pm
ISP
-
SAT
6h 30m
1 stop
$396Southwest
Mon, May 18 - Tue, May 26
Southwest Logo
11:10 am - 8:25 pm
SAT
-
ISP
8h 15m
2 stops
Southwest Logo
12:30 pm - 8:15 pm
ISP
-
SAT
8h 45m
2 stops
$401Southwest
Mon, May 18 - Tue, May 26
Southwest Logo
7:55 am - 2:55 pm
SAT
-
ISP
6h 00m
1 stop
Southwest Logo
6:10 am - 12:25 pm
ISP
-
SAT
7h 15m
1 stop
$447Southwest
Tue, Aug 4 - Fri, Aug 7
Southwest Logo
2:05 pm - 9:05 pm
SAT
-
ISP
6h 00m
1 stop
Southwest Logo
10:20 am - 5:10 pm
ISP
-
SAT
7h 50m
2 stops
$452Southwest
Tue, Aug 4 - Fri, Aug 7
Southwest Logo
10:50 am - 9:05 pm
SAT
-
ISP
9h 15m
2 stops
Southwest Logo
6:10 am - 2:15 pm
ISP
-
SAT
9h 05m
2 stops
$457Southwest
Tue, Aug 4 - Fri, Aug 7
Southwest Logo
4:30 pm - 11:30 pm
SAT
-
ISP
6h 00m
1 stop
Southwest Logo
4:30 pm - 10:15 pm
ISP
-
SAT
6h 45m
1 stop
$477Southwest
Mon, May 18 - Thu, May 21
Southwest Logo
4:30 pm - 11:30 pm
SAT
-
ISP
6h 00m
1 stop
Southwest Logo
6:00 am - 1:15 pm
ISP
-
SAT
8h 15m
2 stops
$482Southwest
Mon, May 18 - Thu, May 21
Southwest Logo
11:10 am - 8:25 pm
SAT
-
ISP
8h 15m
2 stops
Southwest Logo
6:00 am - 1:15 pm
ISP
-
SAT
8h 15m
2 stops
$499Southwest
Mon, May 18 - Thu, May 21
Southwest Logo
1:50 pm - 11:35 pm
SAT
-
ISP
8h 45m
2 stops
Southwest Logo
6:05 pm - 11:50 pm
ISP
-
SAT
6h 45m
1 stop
$542Southwest
Fri, Jul 3 - Mon, Jul 6

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
Jul 8
SAT4:53 pmSan Antonio
42h 27m
3 stops
ISP12:20 pmIslip Long Island
Jul 11
ISP11:57 amIslip Long Island
22h 18m
1 stop
SAT9:15 amSan Antonio
$788
Breeze Airways
Aug 21
SAT11:30 amSan Antonio
22h 47m
2 stops
ISP11:17 amIslip Long Island
Aug 24
ISP8:43 pmIslip Long Island
44h 30m
3 stops
SAT4:13 pmSan Antonio
$794
Breeze Airways
Jul 8
SAT4:53 pmSan Antonio
42h 27m
3 stops
ISP12:20 pmIslip Long Island
Jul 11
ISP11:57 amIslip Long Island
22h 18m
1 stop
SAT9:15 amSan Antonio
$808

Southwest flights from San Antonio to Islip, New York

Our best Southwest deals on San Antonio to Islip, New York flight tickets
Southwest
May 18
SAT5:00 amSan Antonio
5h 50m
1 stop
ISP11:50 amIslip Long Island
May 26
ISP4:10 pmIslip Long Island
6h 30m
1 stop
SAT9:40 pmSan Antonio
$391
Southwest
May 18
SAT11:10 amSan Antonio
8h 15m
2 stops
ISP8:25 pmIslip Long Island
May 26
ISP4:10 pmIslip Long Island
6h 30m
1 stop
SAT9:40 pmSan Antonio
$396
Southwest
May 18
SAT11:10 amSan Antonio
8h 15m
2 stops
ISP8:25 pmIslip Long Island
May 26
ISP12:30 pmIslip Long Island
8h 45m
2 stops
SAT8:15 pmSan Antonio
$401

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 April 17, 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
Quickest round-trip

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Mon 5/18

5:00 am-11:50 am

1 stop5h 50m

Islip Long Island

Tue 5/26

4:10 pm-9:40 pm

1 stop6h 30m

$391

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Mon 5/18

11:10 am-8:25 pm

2 stops8h 15m

Islip Long Island

Tue 5/26

4:10 pm-9:40 pm

1 stop6h 30m

$396

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Mon 5/18

11:10 am-8:25 pm

2 stops8h 15m

Islip Long Island

Tue 5/26

12:30 pm-8:15 pm

2 stops8h 45m

$401

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Tue 8/4

7:55 am-2:55 pm

1 stop6h 00m

Islip Long Island

Fri 8/7

6:10 am-12:25 pm

1 stop7h 15m

$447

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Tue 8/4

2:05 pm-9:05 pm

1 stop6h 00m

Islip Long Island

Fri 8/7

10:20 am-5:10 pm

2 stops7h 50m

$452

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Tue 8/4

10:50 am-9:05 pm

2 stops9h 15m

Islip Long Island

Fri 8/7

6:10 am-2:15 pm

2 stops9h 05m

$457

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Mon 5/18

4:30 pm-11:30 pm

1 stop6h 00m

Islip Long Island

Thu 5/21

4:30 pm-10:15 pm

1 stop6h 45m

$477

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Mon 5/18

4:30 pm-11:30 pm

1 stop6h 00m

Islip Long Island

Thu 5/21

6:00 am-1:15 pm

2 stops8h 15m

$482

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Mon 5/18

11:10 am-8:25 pm

2 stops8h 15m

Islip Long Island

Thu 5/21

6:00 am-1:15 pm

2 stops8h 15m

$499

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Fri 7/3

1:50 pm-11:35 pm

2 stops8h 45m

Islip Long Island

Mon 7/6

6:05 pm-11:50 pm

1 stop6h 45m

$542

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

You could potentially save up to 15% 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

5h 50m

Direct flights

None
The fastest flight from San Antonio to Islip, New York takes 5h 50m
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 5h 50m.

  • 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
4,328 reviews
Search Southwest flights

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
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Sag Harbor
Southampton
Amagansett

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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