Cheapflights insights for Kaua'i car rentals
Get relevant, data-driven information to help you hire a car in Kaua'i, including pricing trends, ideal booking times, and more.
How far in advance should I hire a car in Kaua'i?
To get the best deal on a rental car in Kaua'i, book about 72 days before your trip. At that point, average daily prices are around $98, which is about 53% cheaper than the typical rate.
What is the best car rental company in Kaua'i?
Based on Cheapflights user feedback, the highest-rated car rental company in Kaua'i is Sixt (rated 9.2/10 with 47 reviews). Dollar (rated 3.5/10 with 33 reviews) is also highly rated by our users.
What is the cheapest month to hire a car in Kaua'i?
Planning to hire a car in Kaua'i? November is the cheapest month, costing about $93 per day. In contrast, December is the most expensive, with an average daily rate of $169. Monthly average car hire prices are listed below. Remember, prices can change based on when you book, the type of car, and availability.
January
$100
February
$121
March
$107
April
$98
May
$102
June
$127
July
$153
August
$109
September
$94
October
$96
November
$93
December
$169
Top rental agencies in Kaua'i
Explore the leading car hire agencies in Kaua'i known for their outstanding service and extensive range of vehicles to choose from. There are currently 8 car hire companies in Kaua'i. Reviews were last updated on 7 October 2026.
Sixt
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Sixt Locations in Kaua'i
Dollar
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Dollar Locations in Kaua'i
Rent-A-Wreck
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Rent-A-Wreck Locations in Kaua'i
NU Car
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NU Car Locations in Kaua'i
Avis
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Avis Locations in Kaua'i
Enterprise Rent-A-Car
Enterprise Rent-A-Car Locations in Kaua'i
Elita Rent A Car
Elita Rent A Car Locations in Kaua'i
Hertz
Hertz Locations in Kaua'i
Car rental FAQs
Find answers to frequently asked questions about car hires in Kaua'i, including policies, requirements, and more. FAQs were last updated on 7 October 2026.
What is the cheapest hire car found in Kaua'i?
In the past two weeks, Cheapflights users have found many deals under $92/day when booking a car hire in Kaua'i. The absolute best deal a user found was for $58/day from Thrifty, booked on Oct. 3.
How much does it cost to hire a car in Kaua'i for a week from Dollar?
Dollar is one of the most popular car hire companies in Kaua'i, offering car hire for around $768 per week on average.
Can I rent a car for a month in Kaua'i?
Yes, renting a vehicle in Kaua'i for a month is certainly possible.
How much does it cost to rent a car in Kaua'i for a month?
You can potentially save up to 54% on a month-long rental by booking with Thrifty. Thrifty is the cheapest rental company available within the next few months. Renting a car in Kaua'i can cost you on average $3,293 a month or $110 a day. For extended stays in a location, this option will usually save you the most.