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Cheap flights from Islip, New York to San Antonio from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to San Antonio departing on 1/13. 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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Find the cheapest flights from Islip, New York to San Antonio

Cheap round-trip flights

These are some of the best round-trip flight deals from Islip, New York to San Antonio that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Islip, New York to San Antonio.

Cheap last minute flights

Planning a quick getaway from Islip, New York to San Antonio? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Antonio, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Islip, New York to San Antonio

Find recent round-trip train or bus tickets from Islip, New York to San Antonio.

All round-trip flight deals to San Antonio

The cheapest plane tickets to San Antonio found on KAYAK recently.
11:31 am - 5:42 pmISP-SAT
7h 11m1 stop
5:57 pm - 7:50 amSAT-ISP
12h 53m1 stop
$623Frontier
Find Deal
Thu, Jan 2 - Fri, Jan 3
11:48 am - 6:09 pmISP-SAT
7h 21m1 stop
$54Frontier
Find Deal
Mon, Jan 13
11:48 am - 6:15 pmISP-SAT
7h 27m1 stop
$74Frontier
Find Deal
Mon, Jan 20
5:00 pm - 10:25 pmISP-SAT
6h 25m1 stop
$213Southwest
Find Deal
Mon, May 5
5:40 am - 1:50 pmISP-SAT
9h 10m2 stops
$218Southwest
Find Deal
Mon, May 5
11:31 am - 5:42 pmISP-SAT
7h 11m1 stop
$384Frontier
Find Deal
Thu, Jan 2
11:31 am - 5:42 pmISP-SAT
7h 11m1 stop
$601Frontier
Find Deal
Thu, Dec 26

See travel insights to San Antonio from

How to get the cheapest flight ticket from Islip, New York to San Antonio

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 month to fly to San Antonio?

If you aren’t able to travel during the month of September, then book flights to San Antonio from Islip, New York during June instead. Flights to San Antonio in June, while not as cheap as those in September, still average around $226.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $281. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $326.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Islip, New York to San Antonio in the evening for as low as $223. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $308. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 75% on your flight if you consider stops on a Islip, New York to San Antonio flight.

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

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

Cheap Islip, New York to San Antonio (ISP to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to San Antonio

Best Price Found

$54

Fastest flight time

6h 25m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Islip, New York in the past 72 hours is $54. The best round-trip flight deal from Islip, New York to San Antonio found on momondo in the last 72 hours is $623.
The fastest flight from Islip, New York to San Antonio takes 6h 25m
There are no direct flights from Islip, New York to San Antonio. Popular non-direct route for this connection is Islip Long Island Airport - San Antonio Airport.
There is 1 airport near San Antonio: San Antonio (SAT)

  • How far is Islip Long Island to San Antonio by plane?

    A flight from Islip Long Island to San Antonio will travel around 1619.5 mi. Flights usually cover this in 7h 11m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Islip Long Island Airport to San Antonio Airport?

    Prices for flights from Islip Long Island Airport to San Antonio Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Islip Long Island Airport to San Antonio Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from Islip to San Antonio?

Finding the right flight to San Antonio from Islip is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights from Islip to San Antonio with flexible booking policies on momondo?

Flights from Islip to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Islip to San Antonio?

Once you have performed a search for Islip to San Antonio flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Islip to San Antonio right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Antonio from Islip. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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