Find and compare great deals on National rental cars in San Juan
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National car rental deals in San Juan, Puerto Rico
Find your perfect rental car on momondo
Choose your travel dates to find the best prices
Small Cars
$56 - $229
All Car Types
$97 - $181
The best time to rent a Small car from National in San Juan, Puerto Rico is in June when prices are $56 per day on average. $56 per day is 55% lower than the $125 average yearly price for a National Small rental in San Juan. While June may be the cheapest month to rent a Small car from National in San Juan, March is the most expensive. However, you may still be able to find great deals in March on Small rental vehicles from National depending on what day you book.
The best time to rent a Medium car from National in San Juan, Puerto Rico is in April when prices are $72 per day on average. $72 per day is 47% lower than the $136 average yearly price for a National Medium rental in San Juan. While April may be the cheapest month to rent a Medium car from National in San Juan, July is the most expensive. However, you may still be able to find great deals in July on Medium rental vehicles from National depending on what day you book.
The best time to rent a Large car from National in San Juan, Puerto Rico is in April when prices are $56 per day on average. $56 per day is 55% lower than the $126 average yearly price for a National Large rental in San Juan. While April may be the cheapest month to rent a Large car from National in San Juan, December is the most expensive. However, you may still be able to find great deals in December on Large rental vehicles from National depending on what day you book.
The best time to rent a SUV car from National in San Juan, Puerto Rico is in September when prices are $58 per day on average. $58 per day is 48% lower than the $111 average yearly price for a National SUV rental in San Juan. While September may be the cheapest month to rent a SUV car from National in San Juan, July is the most expensive. However, you may still be able to find great deals in July on SUV rental vehicles from National depending on what day you book.
The best time to rent a Van car from National in San Juan, Puerto Rico is in July when prices are $106 per day on average. $106 per day is 30% lower than the $152 average yearly price for a National Van rental in San Juan. While July may be the cheapest month to rent a Van car from National in San Juan, March is the most expensive. However, you may still be able to find great deals in March on Van rental vehicles from National depending on what day you book.
The best time to rent a Convertible car from National in San Juan, Puerto Rico is in August when prices are $60 per day on average. $60 per day is 53% lower than the $127 average yearly price for a National Convertible rental in San Juan. While August may be the cheapest month to rent a Convertible car from National in San Juan, September is the most expensive. However, you may still be able to find great deals in September on Convertible rental vehicles from National depending on what day you book.
Information about National car rentals in San Juan
Does National have a location at San Juan Isla Grande Airport?
No, National does not currently have a location at San Juan Isla Grande Airport. However, there may be other car rental companies at the airport to choose from.
Does National offer free car rental cancellation in San Juan?
There are free rental car cancellations available from National in San Juan. Keep in mind that there might be a cancellation fee if you cancel your rental car last-minute. Click here to find a list of phone numbers under the Locations tab if you’d like to learn more about National cancellation policies.
What is the most popular car to rent from National while in San Juan in December?
According to our data, Full-size vehicles are the most popular type of car for our users to rent from National while visiting San Juan in December. Based on National car rental prices in December last year, you can expect the average price for Full-size rentals to be $80/day. Our users have also found prices for as low as $57/day last December, which means you may be able to find similar rental prices this year on momondo.
What is the cheapest type of car to rent from National in San Juan?
The cheapest type of car to rent from National in San Juan is the Compact ($52/day on average). In the past year, 7% of our users who rented a car from National chose the Compact for its cost savings. A Compact also happens to be 3% cheaper than the average cost of the most expensive car available from National in San Juan.
When did momondo last update prices for cars in San Juan?
Prices for cars in San Juan refresh daily.
How many operators does momondo search for cars in San Juan?
The number of operators available for cars in San Juan is 53 as of November 2025.
How old do you have to be to hire a car in San Juan?
Among different countries, including San Juan, the minimum age for drivers varies. In numerous EU countries, drivers must be 18 years old. To hire a car overseas, you'll generally need to be at least 21, and if you're under 25, a young driver surcharge may be imposed. It's recommended that you review the policy of the rental company you're considering before booking.
What documentation or ID do you need to rent a car in San Juan?
To rent a car in San Juan, all drivers must have a valid full driving license. If the license is written in a language other than the language of the country of rental, an International Driving Permit may be required to avoid the risk of potential fines. If you're renting a car abroad, you may also need to provide proof of return travel and accommodation information during your stay. We recommend that you verify with the specific rental company you're booking with.
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