San Martín Cheap Car Rentals & Car Hire Deals

Compare rent a car rates in San Martín from popular car rental companies

Compare car suppliers to unlock big savings, and package your flight, hotel, and car to save even more.

Members save 10% more on select hotels, cars, activities and holiday rentals. Sign up.Opens in a new window

Enjoy maximum flexibility with penalty-free cancellation on most car rentals.

Explore San Martín with Cheap Car Rentals and Car Hire Deals

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Beautiful view of the beach with palm trees

Black Friday: Members save 30%+

Members save 30%+ on selected hotels until 4 Dec (property time) with our Black Friday deals. Stay by 15 Dec 2025.

Frequently asked questions

What happens if I need to cancel my San Martín car reservation?
Subject to your rental agreement, you could receive your money back. Many reservations provide a total refund if canceled at least six hours prior to pickup. Still have some queries? If you can’t find the answer in your itinerary, our Customer Service Portal is always available.
Why should I rent a San Martín car with Expedia?
You’ll get a top deal on your wheels with Expedia. Compact or full-size, you’ll find your dream ride from one of the suppliers in San Martín. Our special offers, rewards programs and member prices will help you get the most out of your travel budget. And if you want to save more, bundle your bookings into a vacation package. Add a flight or hotel to your rental car reservation and get access to terrific discounts!
How do I find the best car rental deals in San Martín with Expedia?
Scoring the best deal on your San Martín rental car is easy with Expedia. Choose your preferred car type, add in a few more details and compare prices across top brands. Why not add hotels and flights to your booking? You’ll unlock terrific discounts when you combine your bookings into a package.
What do you need to rent a car in San Martín?
While booking conditions can differ between rental car outlets, generally the essentials are a current driver’s license and a credit card in your name. You don’t need to take out insurance with your rental company. However, proof of your own coverage may be necessary.
Can I drive in San Martín with my U.S. Driver's license?
Yes. But also consider applying for an International Driving Permit. With one of those and your U.S. License, you’ll have all the bases covered for motoring around San Martín.
Can I rent a car for a month or longer in San Martín?
Whether you plan to stop in San Martín or travel beyond, you can book a long-term rental with Expedia. Enter your trip dates and pick-up/drop-off locations and we’ll help you find the best long-term car rental deals.
Where can I find a San Martín car rental if I am younger than 25?
If you’re a young driver hoping to rent a car in San Martín, we suggest reading the policies of the rental companies you’re interested in. Some may rent to drivers under 25 some may not. There may be extra costs if you’re between 21 and 24 years old. To avoid any surprises on pickup, make sure you do your research.