$31 Car Rental O'Fallon, IL

Search and Compare from Car Companies in O'Fallon

Photo by Laila in the World
I have a discount code

Featured car rental suppliers

Compare from agencies

car suppliers logo

Change your mind: penalty-free cancellation on many/select car rentals

Treat yourself: One Key members save 10% or more on over 1 million car rentals

Shop Smart: Compare car suppliers and package your flight, hotel, and car to save

Top Car Deals in O'Fallon

* Price found within the past 6 days. Click for updated prices.

Mon, Sep 1 to Tue, Sep 2

Special

Managers Special or similar
  • 4 people
  • Unlimited mileage
SAINT ANN, USA
Managers Special

$40

includes taxes & fees
$29 per day
found 6 hours ago
Special Managers Special
Mon, Sep 1 to Tue, Sep 2

Compact

Nissan Versa Note or similar
  • 5 people
  • Unlimited mileage
SAINT ANN, USA
Nissan Versa Note

$40

includes taxes & fees
$29 per day
found 6 hours ago
Compact Nissan Versa Note
Mon, Sep 1 to Tue, Sep 2

Standard Elite Special

Ford Mustang Mach-E or similar
  • 5 people
  • Unlimited mileage
ST LOUIS, USA
Ford Mustang Mach-E

$39

includes taxes & fees
$30 per day
found 6 hours ago
Standard Elite Special Ford Mustang Mach-E
Mon, Sep 1 to Tue, Sep 2

Economy Special

Managers Special or similar
  • 4 people
  • Unlimited mileage
ST. LOUIS 631343302, USA
Managers Special

$31

includes taxes & fees
$31 per day
found 6 hours ago
Economy Special Managers Special
Mon, Sep 1 to Tue, Sep 2

Fullsize

Chevrolet Malibu or similar
  • 5 people
  • Unlimited mileage
SAINT ANN, USA
Chevrolet Malibu

$42

includes taxes & fees
$31 per day
found 6 hours ago
Fullsize Chevrolet Malibu
Tue, Sep 2 to Wed, Sep 3

Standard

Volkswagen Jetta or similar
  • 5 people
  • Unlimited mileage
Saint Louis, Missouri, USA
Volkswagen Jetta

$49

includes taxes & fees
$38 per day
found 9 hours ago
Standard Volkswagen Jetta
Tue, Sep 2 to Wed, Sep 3

Midsize SUV

Chevrolet Bolt EUV or similar
  • 5 people
  • Unlimited mileage
Saint Louis, Missouri, USA
Chevrolet Bolt EUV

$40

includes taxes & fees
$40 per day
found 3 hours ago
Midsize SUV Chevrolet Bolt EUV
Mon, Sep 1 to Tue, Sep 2

Midsize Elite

Tesla Short Range Model 3 or similar
  • 5 people
  • Unlimited mileage
Saint Louis, Missouri, USA
Tesla Short Range Model 3

$51

includes taxes & fees
$40 per day
found 6 hours ago
Midsize Elite Tesla Short Range Model 3
Sun, Aug 31 to Mon, Sep 1

Premium

Nissan Maxima or similar
  • 5 people
  • Unlimited mileage
ST. LOUIS 631343302, USA
Nissan Maxima

$53

includes taxes & fees
$53 per day
found 6 hours ago
Premium Nissan Maxima
Mon, Sep 1 to Tue, Sep 2

Luxury Elite

Genesis G80E or similar
  • 5 people
  • Unlimited mileage
Saint Louis, Missouri, USA
Genesis G80E

$76

includes taxes & fees
$60 per day
found 6 hours ago
Luxury Elite Genesis G80E
Tue, Sep 2 to Wed, Sep 3

Luxury

Genesis G70 or similar
  • 5 people
  • Unlimited mileage
Saint Louis, Missouri, USA
Genesis G70

$88

includes taxes & fees
$70 per day
found 9 hours ago
Luxury Genesis G70
Tue, Sep 2 to Wed, Sep 3

Fullsize Elite Pickup Regular Cab

Ram 2500 Big Horn or similar
  • 5 people
  • Unlimited mileage
St Louis, Missouri, USA
Ram 2500 Big Horn

$108

includes taxes & fees
$84 per day
found 9 hours ago
Fullsize Elite Pickup Regular Cab Ram 2500 Big Horn
Tue, Sep 2 to Wed, Sep 3

Mini Van

Chrysler Pacifica or similar
  • 7 people
  • 250 free miles/total
Highland, Illinois, USA
Chrysler Pacifica

$107

includes taxes & fees
$100 per day
found 3 hours ago
Mini Van Chrysler Pacifica
Tue, Sep 2 to Wed, Sep 3

Premium Elite SUV

Audi Q5 or similar
  • 5 people
  • 250 free miles/total
O Fallon, Missouri, USA
Audi Q5

$107

includes taxes & fees
$101 per day
found 3 hours ago
Premium Elite SUV Audi Q5

Don't see what you're looking for?

See all car rentals in O'Fallon
View all cars
Lowest prices found within the past 6 hours. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is a rental car per day in O'Fallon?
Budget car rentals started at $31 a day in O'Fallon, based on prices within the past seven days. With rates like this, we make it easy to grab some keys and zip off for less.
Can I rent a car from Lambert-St. Louis Intl. Airport (STL)?
Unfortunately, not from Lambert-St. Louis Intl. Airport (STL). However, there's a good choice of car rental options close to the terminal. Find your perfect wheels with the help of Budget, Thrifty, National, Enterprise or Alamo.
What happens if I need to cancel my O'Fallon car reservation?
We have good news! You should be eligible for a total refund if you notify us at least six hours prior to pickup. Your itinerary contains information about this, and so does our Customer Service Portal. Not all prepaid reservations will receive a refund though, so you may want to check the cancellation policy.
Where can I go on a road trip from O'Fallon?
Once you've covered all the great places in O'Fallon, there's plenty more to explore in the surrounding region. Collect the keys to a rental car, stow your luggage in the trunk and get on the road. We've come up with some road trips we think you'll love:

  • St. Charles is roughly 35 miles from O'Fallon. Renowned attractions like Ameristar Casino St. Charles deserve to be high on your list here.
  • Around 85 miles away, Springfield is also popular with travelers. Set aside time to experience Illinois State Fairgrounds while you're here. It's one of the reasons people love this buzzing city.
  • Head to Starved Rock State Park for a day out in nature. Take a picnic to enjoy or just recharge your batteries in the fresh air. From O'Fallon, it's roughly 190 miles away.

How do I find the best car rental deals in O'Fallon with Expedia?
It's easy to find an amazing deal with Expedia. All you have to do is choose your preferred car type, select your dates and pickup and drop-off locations, and browse offers from all the popular providers. Make even bigger savings when you combine your O'Fallon car rental with hotel or flight bookings.
How old do you have to be to rent a car in O'Fallon?
Drivers 21 and over can hit the road in O'Fallon in a rental car. If you're a young motorist, a daily surcharge will apply. You'll generally have fewer car categories to choose from, such as economy and compact, and may also be required to buy inclusive insurance. Be sure to enter the correct age of the main driver when booking to find out if any restrictions or surcharges apply.
What do you need to rent a car in O'Fallon?
A valid driver's license and a credit card in the same name. Opting out of the company's insurance plan? If that's the case, you may need proof of your own coverage. Rules can differ from rental company to rental company, so be sure to read through your policy.
What is the cheapest car rental in O'Fallon?
Based on prices found over the past seven days, you could've hopped behind the wheel of your own rental car for just $31 a day. The second lowest daily price in O'Fallon was $39. These rates were available on Expedia, with a rental starting date within the next year. Prices and availability are subject to change and additional terms apply.
Can I rent a car for a month or longer in O'Fallon?
You can, and the terrific news is companies often offer lower prices the longer you rent. Browse our long-term car rental deals in O'Fallon and drive off with an impressive bargain.
Where can I find an O'Fallon car rental if I am younger than 25?
Some O'Fallon companies will rent cars to drivers under 25 years of age, and others won't. Policies differ from supplier to supplier, so you should do your homework. Also, find out if there are any extra costs. Some places will apply a surcharge to young customers between the ages of 21 and 24. Always look through the terms and conditions so you know what to expect.
What insurance should I choose for my car rental in O'Fallon?
A comprehensive insurance policy is a great choice for your upcoming O'Fallon adventure. That's why we recommend purchasing collision protection while reserving your car rental with Expedia. This insures your vehicle against theft, vandalism and accident damage. Some destinations may require you to have a minimum level of liability insurance. This may already be included in your rental cost or your own auto insurance, so check what you're covered for.

Car Rental Information

 
Popular car types
SUV, Full Size, Economy
 
Car suppliers available
 
Our best deal of the day
$31
 
Our second best deal of the day
$39
 
Our third best deal of the day
$40
 
From the airport to your hotel
Airport Transportation
 
From popular domestic and international airports
Airport Car Rentals

Finding the cheapest car rentals in O'Fallon

Using our Search Wizard

If the deals that are available on our page do not suit your needs, then enter O'Fallon into the search wizard at the top of the page. We will compare all the best deals available for your car rental in O'Fallon and provide you with a list of the cheapest options, with no added fees.

Renting a car in O'Fallon

Pay at pickup is available, so you don’t have to worry about spending your money until you arrive at your vehicle in O'Fallon. We partner with reliable partners that guarantee an enjoyable experience for solo travelers, couples, and families. Package your car with a flight or hotel to unlock even more savings from Expedia.

Expected prices in O'Fallon

Prices are subject to seasonal change depending on when you decide to arrange your car rental but right now you can book from $31.

Flexibility & Cancellation

Most car suppliers offer penalty-free cancellations, so you don’t have to worry about losing money if your plans change. To cancel your booking log into your account through the Trips portal. Click manage booking and cancel this car. If you needed to alter your booking, then you can create a new one once you have canceled.

We all love being rewarded

One Key members save 10% or more on select hotels, cars, activities and vacation rentals. Not only that, earn OneKeyCash for every dollar spent on eligible hotels, vacation rentals, flights, car rentals, and more when you book across our family of brands: Expedia, Hotels.com and VRBO. Learn more and join today.

Car classes available from Expedia in 2025

The classes of vehicles available will change depending on your chosen location.

Explore a world of travel with Expedia

Explore a world of travel with Expedia