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Not ready to book? to track prices.Find the cheapest flights from Islip, New York to San Antonio
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Southwest flights from Islip, New York to San Antonio
Our best Southwest deals on Islip, New York to San Antonio flight tickets
Frontier flights from Islip, New York to San Antonio
Our best Frontier deals on Islip, New York to San Antonio flight tickets
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 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 $298. 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 Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $393.
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 afternoon. momondo users have found flights departing from Islip, New York to San Antonio in the afternoon for as low as $172. 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 $353. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
When to book flights from Islip, New York to San Antonio
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
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 40m, 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 many operators does momondo search for flights from Islip Long Island Airport to San Antonio Airport?
As of April 2025, there is 1 operator available to choose from for flights from Islip Long Island Airport to San Antonio Airport.
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.
What is the most popular airline from Islip, New York to San Antonio?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Islip, New York to San Antonio is Southwest (100% of total bookings).
Best airlines flying from Islip, New York to San Antonio
Compare and see reviews for airlines that fly from Islip, New York to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $350 | Free Cancellation | Rating 8.0 4,276 reviews |
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy 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.