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Cheap flights from Islip to San Antonio (ISP - SAT)

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How to find the cheapest flight from
Islip (ISP) to San Antonio (SAT)

What is the cheapest day to fly round-trip from Islip to San Antonio?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 45% on the overall cost on flights from Islip to San Antonio.

How far in advance should I book a flight from Islip to San Antonio?

Find a great deal and save up to 29% by booking at least 24 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Islip to San Antonio within the next two weeks, with the cheapest ticket starting at $119.

What is the cheapest month to fly from Islip to San Antonio?

Our data shows that June tends to be the cheapest month to fly to San Antonio from Islip. Users have commonly found prices around $134 for the month, but tickets can be as low as $70. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Islip to San Antonio (ISP - SAT)?

A simple way to save on the total cost of your ticket is to fly from Islip to San Antonio in the afternoon. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight in the morning.

Cheap flights from Islip to San Antonio in October, November 2020

The best prices found for ISP to SAT flights for October, November
5 Nov - 10 Nov
$207pp
ISP
Islip Long Island
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
   
2 STOPS
ISP
Islip Long Island
6 Nov - 27 Nov
$425pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
SAT
San Antonio
SAT
San Antonio
American Airlines
   
2 STOPS
ISP
Islip Long Island
5 Nov - 10 Nov
$434pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
SAT
San Antonio
SAT
San Antonio
American Airlines
   
2 STOPS
ISP
Islip Long Island

Islip to San Antonio 2020 flight deals

Cheap flights to San Antonio from Islip found for this year
5 Nov - 10 Nov
$207pp
ISP
Islip Long Island
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
   
2 STOPS
ISP
Islip Long Island
6 Dec - 9 Dec
$304pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
SAT
San Antonio
SAT
San Antonio
American Airlines
   
2 STOPS
ISP
Islip Long Island
21 Dec - 6 Jan
$358pp
ISP
Islip Long Island
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
ISP
Islip Long Island

Last minute flights from Islip to San Antonio

Late deals on round-trip flights to San Antonio from Islip, departing today and this week
5 Nov - 10 Nov
$207pp
ISP
Islip Long Island
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
   
2 STOPS
ISP
Islip Long Island
6 Nov - 27 Nov
$425pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
SAT
San Antonio
SAT
San Antonio
American Airlines
   
2 STOPS
ISP
Islip Long Island
5 Nov - 10 Nov
$434pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
SAT
San Antonio
SAT
San Antonio
American Airlines
   
2 STOPS
ISP
Islip Long Island

One-way flights to San Antonio from Islip

The cheapest one-way flights from Islip to San Antonio
3:00 am - 1:14 pm
Multiple Airlines
2 Stops
35h 14m
ISP - SAT
Multiple Airlines
$358
Kiwi.com
12:55 pm - 3:08 am
Frontier
1 Stop
15h 13m
ISP - SAT
Frontier
$521
Kiwi.com
6:38 am - 3:04 pm
American Airlines
2 Stops
9h 26m
ISP - SAT
American Airlines

Related info for your journey

Useful info, stats and facts about Islip to San Antonio flights.

Flight FAQs

From Islip to San Antonio

Are flight prices decreasing from Islip to San Antonio due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Islip and San Antonio for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Islip Long Island to San Antonio have flexible changes due to COVID-19?

American Airlines is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Islip to San Antonio for under $300 on Cheapflights?

Yes, there are multiple flights from Islip to San Antonio for under $300. The cheapest flight booked recently is on Multiple Airlines for just $207, but on average you can expect to pay $604.

Are there nonstop flights from Islip to San Antonio for under $200 on Cheapflights?

There are no nonstop flights from Islip to San Antonio, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Islip to San Antonio for under $300?

There are currently 7+ open flights from Islip to San Antonio within the next 7 days for less than $300.

What days are nonstop flights available from Islip to San Antonio?

Days when nonstop flights are available for this flight are: Thursday, Friday, Saturday.

Does it rain more in Islip or San Antonio?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Islip is typically less than San Antonio. We can gather that this will continue over the next 11 days.

Is Islip weather warmer or cooler than San Antonio?

Our data indicates that the weather will be 97 °F on average in the month of August. The temperature in San Antonio is typically hotter than in Islip. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Islip to San Antonio?

A quick flight from Islip to San Antonio can take about 10h 04m. American Airlines provides one of the quickest options available for as low as $304. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Islip to San Antonio round-trip?

Cheapflights users have booked flights from Islip to San Antonio round-trip from $304. Another airline that can offer you cheap pricing is Frontier.

What are the cheapest airlines to fly from Islip to San Antonio one-way?

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $148. American Airlines is not the only option available. At the moment, Frontier is another option, for $335.

Alternative routes for Islip to San Antonio

Destination information for San Antonio

Things to know before you go. Useful info for your trip from Islip to San Antonio

Airports servicing Islip

Airports servicing San Antonio

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