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Cheap flights from San Antonio to New York from $184

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 5/20. 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
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.
Multiple Airlines Logo
2:12 pm - 9:33 am
SAT
-
ISP
18h 21m
1 stop
Multiple Airlines Logo
4:07 pm - 5:35 pm
ISP
-
SAT
26h 28m
1 stop
$371Multiple Airlines
Wed, Apr 15 - Fri, Apr 17
Multiple Airlines Logo
2:12 pm - 9:33 am
SAT
-
ISP
18h 21m
1 stop
Multiple Airlines Logo
8:31 pm - 11:51 pm
ISP
-
SAT
28h 20m
2 stops
$385Multiple Airlines
Wed, Apr 15 - Fri, Apr 17
Southwest Logo
9:05 am - 6:30 pm
SAT
-
ISP
8h 25m
2 stops
Southwest Logo
4:30 pm - 11:30 pm
ISP
-
SAT
8h 00m
2 stops
$417Southwest
Wed, Apr 15 - Fri, Apr 17
Multiple Airlines Logo
1:22 pm - 8:05 pm
SAT
-
ISP
29h 43m
2 stops
Multiple Airlines Logo
4:07 pm - 1:06 pm
ISP
-
SAT
21h 59m
1 stop
$541Multiple Airlines
Sun, Apr 12 - Sun, Apr 19
Southwest Logo
5:15 am - 11:50 am
SAT
-
ISP
5h 35m
1 stop
Southwest Logo
11:50 am - 4:55 pm
ISP
-
SAT
6h 05m
1 stop
$623Southwest
Sun, Apr 12 - Sun, Apr 19
Breeze Airways Logo
4:53 pm - 5:10 pm
SAT
-
ISP
23h 17m
3 stops
Breeze Airways Logo
11:57 am - 9:15 am
ISP
-
SAT
22h 18m
1 stop
$696Breeze Airways
Wed, Jul 8 - Sat, Jul 11
Breeze Airways Logo
4:53 pm - 5:10 pm
SAT
-
ISP
23h 17m
3 stops
Breeze Airways Logo
11:57 am - 9:15 am
ISP
-
SAT
22h 18m
1 stop
$716Breeze Airways
Wed, Jul 8 - Sat, Jul 11
Breeze Airways Logo
4:53 pm - 5:10 pm
SAT
-
ISP
23h 17m
3 stops
Breeze Airways Logo
11:57 am - 9:15 am
ISP
-
SAT
22h 18m
1 stop
$736Breeze Airways
Wed, Jul 8 - Sat, Jul 11
Breeze Airways Logo
11:30 am - 11:17 am
SAT
-
ISP
22h 47m
2 stops
Breeze Airways Logo
8:43 pm - 4:13 pm
ISP
-
SAT
44h 30m
3 stops
$828Breeze Airways
Fri, Jun 19 - Mon, Jun 22
Southwest Logo
6:10 am - 4:45 pm
SAT
-
ISP
9h 35m
2 stops
Southwest Logo
11:50 am - 11:35 pm
ISP
-
SAT
12h 45m
2 stops
$874Southwest
Sun, Apr 12 - Sun, Apr 19

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
23h 17m
3 stops
ISP5:10 pmIslip Long Island
Jul 11
ISP11:57 amIslip Long Island
22h 18m
1 stop
SAT9:15 amSan Antonio
$696
Breeze Airways
Jul 8
SAT4:53 pmSan Antonio
23h 17m
3 stops
ISP5:10 pmIslip Long Island
Jul 11
ISP11:57 amIslip Long Island
22h 18m
1 stop
SAT9:15 amSan Antonio
$716
Breeze Airways
Jul 8
SAT4:53 pmSan Antonio
23h 17m
3 stops
ISP5:10 pmIslip Long Island
Jul 11
ISP11:57 amIslip Long Island
22h 18m
1 stop
SAT9:15 amSan Antonio
$736

Southwest flights from San Antonio to Islip, New York

Our best Southwest deals on San Antonio to Islip, New York flight tickets
Southwest
Apr 15
SAT9:05 amSan Antonio
8h 25m
2 stops
ISP6:30 pmIslip Long Island
Apr 17
ISP4:30 pmIslip Long Island
8h 00m
2 stops
SAT11:30 pmSan Antonio
$417
Southwest
Apr 12
SAT5:15 amSan Antonio
5h 35m
1 stop
ISP11:50 amIslip Long Island
Apr 19
ISP11:50 amIslip Long Island
6h 05m
1 stop
SAT4:55 pmSan Antonio
$623
Southwest
Apr 12
SAT6:10 amSan Antonio
9h 35m
2 stops
ISP4:45 pmIslip Long Island
Apr 19
ISP11:50 amIslip Long Island
12h 45m
2 stops
SAT11:35 pmSan Antonio
$874

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 March 14, 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 - ISP

SATISP

San Antonio

Wed 4/15

2:12 pm-9:33 am

1 stop18h 21m

Islip Long Island

Fri 4/17

4:07 pm-5:35 pm

1 stop26h 28m

$371

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Wed 4/15

2:12 pm-9:33 am

1 stop18h 21m

Islip Long Island

Fri 4/17

8:31 pm-11:51 pm

2 stops28h 20m

$385

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Wed 4/15

9:05 am-6:30 pm

2 stops8h 25m

Islip Long Island

Fri 4/17

4:30 pm-11:30 pm

2 stops8h 00m

$417

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Sun 4/12

1:22 pm-8:05 pm

2 stops29h 43m

Islip Long Island

Sun 4/19

4:07 pm-1:06 pm

1 stop21h 59m

$541
Quickest round-trip

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Sun 4/12

5:15 am-11:50 am

1 stop5h 35m

Islip Long Island

Sun 4/19

11:50 am-4:55 pm

1 stop6h 05m

$623

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Wed 7/8

4:53 pm-5:10 pm

3 stops23h 17m

Islip Long Island

Sat 7/11

11:57 am-9:15 am

1 stop22h 18m

$696

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Wed 7/8

4:53 pm-5:10 pm

3 stops23h 17m

Islip Long Island

Sat 7/11

11:57 am-9:15 am

1 stop22h 18m

$716

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Wed 7/8

4:53 pm-5:10 pm

3 stops23h 17m

Islip Long Island

Sat 7/11

11:57 am-9:15 am

1 stop22h 18m

$736

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Fri 6/19

11:30 am-11:17 am

2 stops22h 47m

Islip Long Island

Mon 6/22

8:43 pm-4:13 pm

3 stops44h 30m

$828

San AntonioIslip

SAT - ISP

SATISP

San Antonio

Sun 4/12

6:10 am-4:45 pm

2 stops9h 35m

Islip Long Island

Sun 4/19

11:50 am-11:35 pm

2 stops12h 45m

$874

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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

22h 47m

Direct flights

None
The fastest flight from San Antonio to Islip, New York takes 22h 47m
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

  • 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 22h 47m.

  • 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
4,317 reviews
Search Southwest flights

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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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