Find out what a flight from San Antonio to Islip might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between San Antonio and Islip.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Are there multiple airports in San Antonio and Islip?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in San Antonio: Only San Antonio operates in this city.
• Airports in Islip: Islip - Long Island MacArthur is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Adjust your flight filters for San Antonio – Islip

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Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.