Title: Cheap Car Hire in South Side, USA - Expedia.co.uk [South Side Travel Guide](https://expedia.co.uk/Billings-South-Side.dx553248635976470230)[Hotels in South Side](https://expedia.co.uk/South-Side-Billings-Hotels.0-n553248635976470230-0.Travel-Guide-Filter-Hotels)[Flights to Billings](https://expedia.co.uk/Cheap-Flights-To-Billings.d583.Travel-Guide-Flights)[Things to do in Billings](https://expedia.co.uk/Things-To-Do-In-Billings.d583.Travel-Guide-Activities)[South Side Holidays](https://expedia.co.uk/South-Side.d553248635976470230.Holidays-City-Breaks) ![](https://images.trvl-media.com/place/553248635976470230/316ac0f8-a972-4868-ab7c-a3e81b25ce50.jpg?impolicy=fcrop&w=1200&h=300&q=medium) # Car Rentals in South Side, USA ## Search and Compare from Car Companies in South Side ## Featured car rental suppliers Compare from agencies ![car supplier logos](https://forever.travel-assets.com/flex/flexmanager/images/2022/05/16/BEXUK-car-suppliers-logo-desktop.jpg) - ![protection illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__protection.svg) ### Change your mind Penalty-free cancellation on many/select car hire - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Treat yourself One Key members save 10% or more on over 1 million car hire [Learn about One Key](https://www.expedia.co.uk/welcome-one-key) - ![package illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__package.svg) ### Shop smart Compare car suppliers and package your flight, hotel, and car to save ## Top Rental Car Deals in South Side \* Price found within the past 6 days. Click for updated prices. ### Economy Chevrolet Spark or similar - 4 people Billings, Montana, USA ![Chevrolet Spark](//images.trvl-media.com/media/content/shared/images/car/Common_90X50/US_EC.png) [](https://expedia.co.uk/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&locn=South%20Side,%20Billings,%20Montana,%20United%20States%20of%20America&dpln=553248635976470230&date1=20/02/2026&date2=22/02/2026&crfrr=defaultFlex&SearchType=Place&selCC=[%22economy%22]) ### Compact Ford Focus or similar - 4 people Billings, Montana, USA ![Ford Focus](//images.trvl-media.com/media/content/shared/images/car/Common_90X50/US_CC.png) [](https://expedia.co.uk/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&locn=South%20Side,%20Billings,%20Montana,%20United%20States%20of%20America&dpln=553248635976470230&date1=20/02/2026&date2=22/02/2026&crfrr=defaultFlex&SearchType=Place&selCC=[%22compact%22]) ### Midsize Toyota Corolla or similar - 5 people Billings, Montana, USA ![Toyota Corolla](//images.trvl-media.com/media/content/shared/images/car/Common_90X50/US_IC.png) [](https://expedia.co.uk/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&locn=South%20Side,%20Billings,%20Montana,%20United%20States%20of%20America&dpln=553248635976470230&date1=20/02/2026&date2=22/02/2026&crfrr=defaultFlex&SearchType=Place&selCC=[%22midsize%22]) ### SUV Jeep Compass or similar - 5 people Billings, Montana, USA ![Jeep Compass](//images.trvl-media.com/media/content/shared/images/car/Common_90X50/US_SF.png) [](https://expedia.co.uk/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&locn=South%20Side,%20Billings,%20Montana,%20United%20States%20of%20America&dpln=553248635976470230&date1=20/02/2026&date2=22/02/2026&crfrr=defaultFlex&SearchType=Place&selCC=[%22suv%22]) ### Don't see what you're looking for? See all car hire in South Side [View all cars](https://expedia.co.uk/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&locn=South%20Side,%20Billings,%20Montana,%20United%20States%20of%20America&dpln=553248635976470230&date1=20/02/2026&date2=22/02/2026&crfrr=defaultFlex&SearchType=Place) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-uk-fr-de.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Holiday Sale Members save up to 40% on hotels and holiday homes. Plan this year’s big trip and save. [Book now](https://expedia.co.uk/cheap-deals?rfrr=CTG_SPRING_PROMO_553248635976470230) ## Frequently asked questions ### How much is a rental car per day in South Side? ### What happens if I need to cancel my South Side car reservation? ### What types of cars can I rent in South Side? ### How do I find the best car hire deals in South Side with Expedia? ### How old do you have to be to hire a car in South Side? ### What do you need to rent a car in South Side? ### What is the cheapest car hire in South Side? ### Can I hire a car for a month or longer in South Side? ### Where can I find a South Side hire car if I am younger than 25? ### Can I drive in South Side with my current driver's license? > - Age restrictions: You need to be 25 or older in many states in order to hire a car, although in some areas allow drivers as young as 21\. We recommend checking local rules and regulations, as well as with the car hire company before you go to understand additional terms and conditions. > - Driving limitations: Read the fine print before you drive off the lot so you can avoid unnecessary fees. When hiring a car in the U.S, you typically can't cross country borders into Canada or Mexico, drive on ferries or traverse rough terrain with your hired car. Please read all the rules and regulations before booking! ### Why should I rent a South Side car with Expedia? ## Car Hire Information | Popular car types: | [SUV](https://www.expedia.co.uk/lp/b/car-rental/suv?rfrr=car.table.SUV), [Full Size](https://www.expedia.co.uk/lp/b/car-rental/fullsize?rfrr=car.table.FullSize), [Economy](https://www.expedia.co.uk/lp/b/car-rental/economy?rfrr=car.table.Economy) | | -------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Car suppliers available: | | | Our best deal of the day: | | | Our second best deal of the day: | | | Our third best deal of the day: | | | From the airport to your hotel: | [Airport Transportation](https://www.expedia.co.uk/ground-transfers?rfrr=car.table.AirportTransportation) |