Cheap Car Rentals in South Island from $6
This price is the cheapest per day rate found by a Cheapflights user in the last 48 hours by searching for a car rental in South Island with a pick-up date of 9/16 and drop-off date of 9/22. Fares are subject to change and may not be available at all agencies or on all dates of rental.
Best car rental deals found in South Island
Browse through a selection of recently found affordable car rental deals in South Island. Plan your trip with ease and find the perfect rental option for your needs. There are currently 8 rental car agencies in South Island with an average daily rate of $33. Data was last updated on September 10, 2026.
Cheapflights insights for South Island car rentals
Get relevant, data-driven information to help you rent a car in South Island, including pricing trends, ideal booking times, and more.
How far in advance should I rent a car in South Island?
Book your rental car in South Island 69 days before your pickup date to maximize your savings Car rental prices are around $37/day on average when booked 69 days ahead, which saves you 12% off the usual average price.
What is the best car rental company in South Island?
Based on Cheapflights user feedback, the highest rated car rental company in South Island is Hao Car Rentals Limited (rated 10.0/10 with 1 review). Rental Cars 247 (rated 9.5/10 with 3 reviews) is also highly rated by our users.
What is the cheapest month to rent a car in South Island?
The cheapest month to rent a car in South Island is May where you can expect to pay $19/day on average. The most expensive month to rent a car in South Island is December ($79/day on average). The average daily rental price for each month is shown below. Keep in mind that prices will vary based on availability, when you book, and the type of car you rent.
January
$73
February
$68
March
$37
April
$31
May
$19
June
$22
July
$37
August
$28
September
$38
October
$31
November
$43
December
$79
What car do most people rent in South Island?
SUV rentals (Kia Sportage or similar) are the most popular option for those visiting South Island. Compact rentals (Toyota Corolla or similar) are also a popular choice, followed by Economy rentals (Class Economy Car or similar).
Top rental agencies in South Island
Explore the leading car rental agencies in South Island known for their outstanding service and extensive range of vehicles to choose from. There are currently 8 car rental companies in South Island. Reviews were last updated on September 10, 2026.
Hao Car Rentals Limited
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View Hao Car Rentals Limited Locations in South Island
Rental Cars 247
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View Rental Cars 247 Locations in South Island
JUCY
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View JUCY Locations in South Island
Avis
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View Avis Locations in South Island
Snap Rentals
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View Snap Rentals Locations in South Island
Go Rentals
View Go Rentals Locations in South Island
Gold Car Rent a Car
View Gold Car Rent a Car Locations in South Island
National
View National Locations in South Island
Car rental FAQs
Find answers to frequently asked questions about car rentals in South Island, including policies, requirements, and more. FAQs were last updated on September 10, 2026.
What is the cheapest rental car found in South Island?
In the past two weeks, Cheapflights users have found many deals under $47/day when booking a rental car in South Island. The best deal a user found was for $14/day from DISCOUNT.QUEBEC , booked on Sep. 5.
How much does it cost to rent a car in South Island for a week from Hao Car Rentals Limited?
Hao Car Rentals Limited is a popular option for travelers looking for car rental in South Island. You can expect the average cost of rental car to be about $392 per week.
Can I rent a car for a month in South Island?
Yes, renting a vehicle in South Island for a month is certainly possible.
How much does it cost to rent a car in South Island for a month?
Our recent data shows that DISCOUNT.QUEBEC can potentially be 92% below the average car rental price in South Island. Check prices and availability for DISCOUNT.QUEBEC and save on this extended rental. The cost of renting a vehicle in South Island is on average $1,681 a month or $56 a day. Search on Cheapflights for the most updated pricing and availability for your South Island car rental.