Which airports can I use when flying from San Antonio to Islip?

Flights from San Antonio to Islip usually depart from San Antonio (SAT) and arrive at Islip Long Island (ISP).

What cabin classes can I book on flights from San Antonio to Islip?

Only Economy Class is available on flights from San Antonio to Islip.

Which airports do connecting flights from San Antonio to Islip pass through?

Most connecting flights from San Antonio to Islip pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from San Antonio to Islip?

Yes. Flexible dates can save you up to 66% on flights from San Antonio to Islip. Saturday is the cheapest departure day at $436 round-trip on average, while Wednesday is the most expensive at $1,246, a difference of $810. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

How long is a flight from San Antonio to Islip?

A nonstop flight from San Antonio to Islip takes 00m, covering 1,621 miles.

Do I need a passport to fly from San Antonio to Islip?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from San Antonio to Islip changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $545 to $995. That means the highest observed fare was about 82% higher than the lowest one.

What is the time difference between San Antonio and Islip?

Islip is 1 hour ahead of San Antonio (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Islip Long Island Airport (ISP)?

Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates averaging $105 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Avis • National • Empire Rent A Car

How much should I expect to pay for a San Antonio to Islip flight?

Round-trip flights from San Antonio to Islip range from $456 to $1,148, with an average of $574 over the past 12 months. Anything below $456 counts as a good deal.

How much is a round-trip flight from San Antonio to Islip?

Round-trip flights from San Antonio to Islip typically range from $456 to $1,148. The lowest price found in the past 5 days was $545, on Southwest.

Which airline is the cheapest to fly from San Antonio to Islip?

Southwest ($545) and Frontier ($995) are the cheapest airlines to fly round-trip from San Antonio to Islip according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from San Antonio to Islip?

Flights via Baltimore/Washington (BWI) offer the most affordable fares, with an average round-trip price of $594. Based on KAYAK data over the past 3 months.

When flying from San Antonio to Islip which airport offers the shortest layover?

Baltimore/Washington (BWI) had the shortest average connection time for San Antonio to Islip layovers at 4h 01m over the past 3 months.

$637 CHEAP FLIGHTS from San Antonio to Islip (SAT - ISP)

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Cheapest round-trip

$545

Typical prices: $456-$1,148

Southwest

Mon 11/19Thu 11/22

SAT - ISP • 1 stop

Nonstop flights

Not available

There are currently no direct flights between San Antonio and Islip. You'll need to take a connecting flight to reach the destination.

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Flight Deals

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

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from San Antonio to Islip

Thu, Nov 19 - Sun, Nov 22

2:45 pm - 9:45 pmSAT San Antonio-ISP Islip Long Island

6h 00m1 stop Baltimore/Washington

5:40 pm - 10:55 pmISP Islip Long Island-SAT San Antonio

6h 15m1 stop Baltimore/Washington

$545Southwest

Thu, Nov 19 - Sun, Nov 22

12:20 pm - 9:45 pmSAT San Antonio-ISP Islip Long Island

8h 25m2 stops Tampa Baltimore/Washington

5:40 pm - 10:55 pmISP Islip Long Island-SAT San Antonio

6h 15m1 stop Baltimore/Washington

$550Southwest

Thu, Nov 19 - Sun, Nov 22

12:50 pm - 9:10 pmSAT San Antonio-ISP Islip Long Island

7h 20m2 stops Houston Hobby Orlando

5:40 pm - 12:10 amISP Islip Long Island-SAT San Antonio

7h 30m2 stops Baltimore/Washington Lambert-St Louis

$623Southwest

Tue, Nov 10 - Thu, Nov 12

5:30 am - 11:45 amSAT San Antonio-ISP Islip Long Island

5h 15m1 stop Baltimore/Washington

4:25 pm - 11:55 pmISP Islip Long Island-SAT San Antonio

8h 30m1 stop Orlando

$637Southwest

Tue, Nov 10 - Thu, Nov 12

2:45 pm - 9:45 pmSAT San Antonio-ISP Islip Long Island

6h 00m1 stop Baltimore/Washington

5:35 am - 2:10 pmISP Islip Long Island-SAT San Antonio

9h 35m2 stops Baltimore/Washington Dallas Love Field

$642Southwest

Tue, Nov 10 - Thu, Nov 12

12:50 pm - 9:15 pmSAT San Antonio-ISP Islip Long Island

7h 25m2 stops Houston Hobby Orlando

12:25 pm - 8:10 pmISP Islip Long Island-SAT San Antonio

8h 45m2 stops Baltimore/Washington Nashville Intl

$647Southwest

Tue, Nov 24 - Sat, Nov 28

10:45 am - 11:40 pmSAT San Antonio-ISP Islip Long Island

11h 55m1 stop Orlando

5:30 am - 11:10 amISP Islip Long Island-SAT San Antonio

6h 40m1 stop Baltimore/Washington

$953Southwest

Tue, Nov 24 - Sat, Nov 28

10:45 am - 11:40 pmSAT San Antonio-ISP Islip Long Island

11h 55m1 stop Orlando

5:30 am - 12:20 pmISP Islip Long Island-SAT San Antonio

7h 50m2 stops Baltimore/Washington Dallas Love Field

$959Southwest

Tue, Nov 10 - Thu, Nov 12

5:30 am - 11:45 amSAT San Antonio-ISP Islip Long Island

5h 15m1 stop Baltimore/Washington

5:40 pm - 10:55 pmISP Islip Long Island-SAT San Antonio

6h 15m1 stop Baltimore/Washington

$968Southwest

Tue, Nov 24 - Sat, Nov 28

8:28 pm - 3:45 pmSAT San Antonio-ISP Islip Long Island

18h 17m2 stops Denver Intl Orlando

4:43 pm - 7:33 pmISP Islip Long Island-SAT San Antonio

27h 50m2 stops Orlando Denver Intl

$995Frontier

Booking Insights

Price, demand and travel trends for San Antonio to Islip flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from San Antonio to Islip? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Antonio to Islip departing in november.

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Cheapest flight	$545

Round-trip flight from San Antonio to Islip

When to book flights from San Antonio to Islip

Are your dates flexible? Find out the best times to travel from San Antonio to Islip based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from San Antonio to Islip?
Only Economy Class is available on flights from San Antonio to Islip.
How long is a flight from San Antonio to Islip?
A nonstop flight from San Antonio to Islip takes 00m, covering 1,621 miles.
Do I need a passport to fly from San Antonio to Islip?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a San Antonio to Islip flight?
Round-trip flights from San Antonio to Islip range from $456 to $1,148, with an average of $574 over the past 12 months. Anything below $456 counts as a good deal.
Have flight prices from San Antonio to Islip changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $545 to $995. That means the highest observed fare was about 82% higher than the lowest one.
What car rental options are available at Islip Long Island Airport (ISP)?
Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates averaging $105 for economy cars. Top options include:

• Budget
• Enterprise Rent-A-Car
• Avis
• National
• Empire Rent A Car
Which airports can I use when flying from San Antonio to Islip?
Flights from San Antonio to Islip usually depart from San Antonio (SAT) and arrive at Islip Long Island (ISP).
Which airports do connecting flights from San Antonio to Islip pass through?
Most connecting flights from San Antonio to Islip pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from San Antonio to Islip?
Yes. Flexible dates can save you up to 66% on flights from San Antonio to Islip. Saturday is the cheapest departure day at $436 round-trip on average, while Wednesday is the most expensive at $1,246, a difference of $810.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What is the time difference between San Antonio and Islip?
Islip is 1 hour ahead of San Antonio (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Saturday departure and avoid flying on Wednesday. On this route, Saturday flights average $436, about $810 less than Wednesday fares (65% savings) based on the last 12 months.

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SAT - ISP

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Everything you should know

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

Recent round-trip flight deals from San Antonio to Islip

Recent one-way flight deals from San Antonio to Islip

Price, demand and travel trends for San Antonio to Islip flights

How much is a round-trip flight from San Antonio to Islip?

Which airline is the cheapest to fly from San Antonio to Islip?

What is the cheapest layover airport when flying from San Antonio to Islip?

When flying from San Antonio to Islip which airport offers the shortest layover?

Key details for San Antonio to Islip flights

Cheapest flight

When to book flights from San Antonio to Islip

Your San Antonio to Islip flight questions, answered

Your guide to booking San Antonio to Islip flights

More options for your flight from San Antonio to Islip

Complete your trip to Islip with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from San Antonio to Islip

Find direct flights to and from San Antonio and Islip

Flights from domestic origins to Islip

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