Cheap flights from Islip to San Antonio (ISP - SAT)
How far in advance should I book a flight from Islip, New York to San Antonio?
Travelers have found it’s best to book a flight 34 days in advance to save up to 23% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 34 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Islip, New York to San Antonio 1-2 weeks in advance for as low as $347, or $429 for flights within the next 24 hours.
What is the cheapest month to fly from Islip, New York to San Antonio?
February is one of the best times of the year to fly to San Antonio from Islip, New York. Prices for February average $339 per person but you can even find prices for as low as $157. The most expensive prices can be found in the month of December. Opting for a February flight can save you 25% on your journey compared to booking in December
When is the cheapest time to fly from Islip, New York to San Antonio (ISP - SAT)?
A simple way to save on the total cost of your ticket is to fly from Islip, New York to San Antonio at noon. If you’re flexible enough to do this you can expect to save up to 77% on your trip compared to booking a flight in the morning.
Cheap flights from Islip to San Antonio in February, March 2023
The best prices found for ISP to SAT flights for February, March
Islip Long Island
San Antonio
1 stop
16h 54mSan Antonio
Islip Long Island
1 stop
13h 41mMultiple Airlines
Islip Long Island
San Antonio
1 stop
16h 54mSan Antonio
Islip Long Island
2 stops
15h 39mMultiple Airlines
Islip Long Island
San Antonio
3 stops
23h 00mSan Antonio
Islip Long Island
2 stops
23h 37mMultiple Airlines
Islip to San Antonio 2023 flight deals
Cheap flights to San Antonio from Islip found for this year
Islip Long Island
San Antonio
1 stop
16h 25mSan Antonio
Islip Long Island
1 stop
13h 56mMultiple Airlines
Islip Long Island
San Antonio
1 stop
16h 44mSan Antonio
Islip Long Island
1 stop
29h 00mMultiple Airlines
Islip Long Island
San Antonio
1 stop
16h 25mSan Antonio
Islip Long Island
2 stops
14h 42mMultiple Airlines
Related info for your journey
Useful info, stats and facts about Islip to San Antonio flights.
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, New York to San Antonio for under $300 on Cheapflights?
Yes, there are multiple flights from Islip, New York to San Antonio for under $300. The cheapest flight booked recently is on Multiple Airlines for just $268, but on average you can expect to pay $426.
What are the cheapest flights from Islip, New York to San Antonio?
Looking at all options, your cheapest flight can be booked for $112. While the most popular route (Islip Long Island - San Antonio) can be booked for $268 on average our data indicates $174 when flying from Islip, New York to San Antonio.