Cheap Chicago Car Rental Rates
Cheap Chicago Car Rental Rates
AutoRentals.com - Book Cheap and Discount Car Rentals at Airport and City.

Best Rate Guarantee

We know you have a choice of where you book a car rental on the Internet, and we appreciate your business. We are also so confident you'll find the BEST rate right here at AutoRentals.com, we guarantee it.

Find a cheaper rental car online and we'll not only match it, we'll give you a 10% discount too.

Here's how it works: Book your car rental on AutoRentals.com. Within 24 hours of your booking, if you are able to find a better car rental rate on any other website, simply email us at help@autorentals.com, and a customer service representative will contact you. There's no need for you to book the better rate on the other website because once our customer service agent confirms, we're going to give you that rate anyway plus discount it by 10%.

The Big Question: Do You Qualify?

  • Did you book a car rental on AutoRentals.com within the last 24 hours?
  • Are the pick-up and drop-off times, dates and locations the same?
  • Is the rate for the same car rental company?
  • Is the site where you found the lower price in English on a U.S.-based website?
  • Is your car rental for a U.S. location and are you a U.S. resident?
  • Do you meet the terms and conditions below?

If the answer is "yes" to each of these questions, we will honor your claim. No questions asked.

Terms and Conditions


  • Rate Guarantee. In the unlikely event you find a lower rate on another Engligh-language U.S.-based website within twenty-four (24) hours of booking with AutoRentals.com, AutoRentals.com will pay you the difference in price. In addition, we will give you a 10% discount. To qualify, your AutoRentals.com reservation must be made at least forty-eight (48) hours in advance of your car rental pick-up time and the same rate must have been found for the same car rental company, car type, pick-up and drop-off location, reservation date and time. Once verified, the difference in price we pay you will be based on the base rate of the vehicle when reserved on AutoRentals.com, and will not include taxes, fuel, surcharges or any other ancillary charges.
  • Completed Rental Requirement. You must actually pick up and drop off your car rental and pay for it in accordance with your AutoRentals.com itinerary to be eligible to receive your payment. Changed or cancelled bookings are not eligible to receive any payment. Our AutoRentals.com customer service representative will instruct you to e-mail or fax an electronic copy of your car rental receipt to AutoRentals, and you must do so within thirty (30) days after you have dropped off your car rental to remain eligible for payment.
  • Notifying AutoRentals.com. You must submit your claim by email to help@autorentals.com within twenty-four (24) hours after booking with AutoRentals.com. The lower rate must be available for booking within this twenty-four (24) hour period, as determined by the AutoRentals.com customer service representative.
  • Comparison Rate. The Best Rate Guarantee applies only to rates both advertised and available to the general public on a U.S.-based, English-language website. You must meet all requirements relating to the lower price (if any), including residency, region and age requirements.

    The Best Rate Guarantee does not apply to the following types of lower rates:
    • Discounts, coupons, upgrade offers or insurance replacement rates.
    • Pre-negotiated rates.
    • Group, charter, rewards program, incentive, meeting, convention, consolidator or interline prices.
    • Promotional rates and Pre-paid reservations.
    • Membership program rates such as AAA, government, corporate, etc.
    • Inclusive rates or package rates that may include a car and other travel segments (i.e., not part of a hotel + air travel package).
    • Rates for rentals beyond 28 days.
    • Rates that may be found on auction websites.
    • Rates from websites which do not display the name of the car rental company or similar booking details until after purchase.
    • Reservations for car rentals picked up outside U.S. locations (i.e., 48 contiguous U.S. states and Alaska or Hawaii).
    • Reservations made by non-U.S. residents.
    • The lower rate may not come from a website where you call to get the rate, or from an e-mail that you received.

  • Verification of Claims. All requests, including receipts, are subject to verification by AutoRentals.com. AutoRentals.com will not accept screenshots or other evidence of a lower price that cannot be independently confirmed by AutoRentals.com, nor will AutoRentals.com process any request that it believes, in its sole discretion, is the result of a printing or other error or is made fraudulently or in bad faith.

    Verified requests will receive a payment within 6-8 weeks of the car rental drop-off date.

  • Limit. One (1) payment per customer per calendar month.

Void where prohibited by law. AutoRentals.com reserves the right to modify or cancel the guarantee at any time without prior notice.
Chicago ORD Car Rentals
Enterprise Car Rentals Chicago - ORD
"I was extremely pleased with the quick turnover in receiving our rental car. The staff was very professional. Would not hesitate to use your service again."
--Nelson L., Enterprise Rent-A-Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
"The service at Enterprise was very good. I will definitely choose them again in the future."
--Barbara K., Enterprise Rent-A-Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
"It was easy & quick , just didn't get any airline points."
--Sharon K., Enterprise Rent-A-Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
"Everything was fine and the rate was the best"
--Leonora T., Enterprise Rent-A-Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
"Everything was perfect!"
--Kostas M., Enterprise Rent-A-Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
"I was pleasantly suprised how nice and professional the staff was at Enterprise at the Chicago O'Hare airport location."
--Michael O., Enterprise Rent-A-Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
ACE Car Rentals Chicago - ORD
"The process for pick up and drop off was very efficient. Car was excellent and price was the best I found by far. "
--David R., ACE Rent A Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
"The personnel at Ace were great. ..I ended up in the wrong pick up place at O'Hare airport, and they kindly picked me up there anyway, so I didn't have to lug my bags somewhere else in that huge airport. I didn't have to wait to get the car, and when I returned it was just as seamless. Far superior service to the big car rental companies. I will definitely use them again. "
--Maryellen J., ACE Rent A Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
"A very good experience. The entire staff was very knowledgeable, courteous, upbeat and happy. I had a great time joking with them when I returned the car."
--Philip C., ACE Rent A Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
"Ace's staff and facility at Ohare were top notch. Car was good at a reasonable price."
--Donald R., ACE Rent a Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
"I thought all of the people I encountered were enthusiastic, efficient, and helpful in every way. I was very impressed. The Huyndai I rented was very nice too."
--Roy J., ACE Rent a Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
Thrifty Car Rentals Chicago - ORD
"My experience was fantastic! The shuttle driver made the ride to the rental office fun...he shared cool information about the airport and Chicago itself. The staff at the rental office were great, they greeted me and answered questions I had about the local malls :) Returning the car was easy and the price was on point...I will definitely rent again."
--Dinarka I., Thrifty Car Rental, ORD - Chicago - O Hare Intl in Chicago, Illinois
"The price was great. Auto Rentals beat everyone at low prices!"
--Kathleen D., Thrifty Car Rental, ORD - Chicago - O Hare Intl in Chicago, Illinois
"This is the second time using AutoRentals to make a car rental reservation and I've been happy with both experiences. Will definitely use again!"
--Kim C., Thrifty Car Rental, ORD - Chicago - O Hare Intl in Chicago, Illinois
"Service was good and courteous. "
--Mary Ann D., Thrifty Car Rental, ORD - Chicago - O Hare Intl in Chicago, Illinois
Alamo Car Rentals Chicago - ORD
"I wish I could understand the dynamics of discount auto rentals, but I am happy to have the benefits. Friends of mine who have heard me describe the price breaks achievable through Autorentals are always astounded. "
--David S., Alamo Rent a Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
"Great service with Alamo. Flagged down the Alamo shuttle to the rental lot almost as soon as we exited the United baggage area at O'Hare. The drivers were always very kind to assist us with our one checked bag each, and even our carry ons. "
--Barry R., Alamo Rent a Car, ORD - Chicago - O Hare Intl in Chicago, Illinois
Dollar Car Rentals Chicago - ORD
"Thank you very much for this service, ALWAYS with good prices and great service."
--Armando G., Dollar Rent A Car, ORD - Chicago - O Hare Intl in Chicago, Illinois