Cheap AVIS Car Hire Deals at Islip Airport, ISP

Allow for possible delays at the rental desk, particularly during busy travel times.

Prefer an automatic car? offers automatic car rentals at Airport. Just select ‘automatic’ when searching, and we'll handle the rest, ensuring you get the convenience of an automatic transmission without any hassle.

Research fuel prices in the area where you'll return the vehicle. Filling up at a local station may be cheaper than paying for fuel through the rental company, especially if they charge higher rates.

When booking, check if the rental company offers extras such as GPS or child seats. These can enhance your driving experience but may incur additional costs, so it's wise to factor them into your budget.

Ask if there are extra charges for picking up at the airport versus off-site locations.

Select a pickup location that is convenient for you. Some rental companies offer locations within the airport for quick access, while others may require shuttle transportation.

When renting a car, understand the fuel policy. A 'Full-to-Full' policy means you return the car with a full tank, while 'Same-to-Same' means you return it with the same level of fuel. Full-to-Full is often more cost-effective.

Some rental agreements come with mileage limits, while others offer unlimited mileage. Make sure to review the mileage policy to avoid unexpected fees.