Illinois car rentals in 2025
Get helpful information to start your search for the perfect car hire in Illinois. The average price data is based on the last 12 months and was last updated on 14 October 2025.
Most popular company | Thrifty |
---|---|
Most common car type | Full-size |
Average price per day | $82 |
Cheapest price per day | $82 |
Cheapflights insights for Illinois car rentals
Get relevant, data-driven information to help you hire a car in Illinois, including pricing trends, ideal booking times, and more.
How far in advance should I hire a car in Illinois?
Book your rental car in Illinois 55 days before your pickup date to maximise your savings. Car rental prices are around $78/day on average when booked 55 days ahead, which saves you 47% off the average price.
What is the cheapest car hire company in Illinois?
In Illinois, the most affordable car hire company right now is Dollar, offering prices from just $54.24/day over the past two weeks. Another budget-friendly choice is Budget, with rates starting at $62.51/day.
What is the best car rental company in Illinois?
Based on Cheapflights user feedback, the highest-rated car rental company in Illinois is Hertz (rated 5.9/10 with 299 reviews). Budget (rated 5.8/10 with 227 reviews) is also highly rated by our users.
What is the cheapest month to hire a car in Illinois?
Planning to hire a car in Illinois? January is the cheapest month, costing about $67 per day. In contrast, July is the most expensive, with an average daily rate of $126. Monthly average car hire prices are listed below. Remember, prices can change based on when you book, the type of car, and availability.
January
$67
February
$67
March
$86
April
$90
May
$95
June
$113
July
$126
August
$100
September
$79
October
$92
November
$94
December
$91
Which car hire company has the most locations in Illinois?
Enterprise Rent-A-Car has 47 locations throughout the area, more than any other company. Hertz has the second-highest number of locations in Illinois at 29.
Top rental agencies in Illinois
Explore the leading car hire agencies in Illinois known for their outstanding service and extensive range of vehicles to choose from. There are currently 8 car hire companies in Illinois. Reviews were last updated on 14 October 2025.
Hertz
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Budget
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Dollar
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Alamo
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Enterprise Rent-A-Car
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Sixt
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Avis
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Payless
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Car rental FAQs
Find answers to frequently asked questions about car hires in Illinois, including policies, requirements, and more. FAQs were last updated on 14 October 2025.
What is the cheapest hire car found in Illinois?
In the past two weeks, Cheapflights users have found many deals under $82/day when booking a car hire in Illinois. The absolute best deal a user found was for $82/day from Thrifty, booked on Oct. 5.
How much does it cost to hire a car in Illinois for a week from Thrifty?
Thrifty is a popular option for travellers looking for car hire in Illinois. You can expect the average cost of car hire to be about $575 per week.
Can I rent a car for a month in Illinois?
Yes, you can rent a car for a month in Illinois check Cheapflights for the latest prices and car type availability.