Car Rental in Arnold South

Rent a car in Arnold south of St. Louis and explore Jefferson County with complete freedom. With 2 rental agencies on site, you'll find good options for your journey along the Mississippi River valley.

Arnold is about 30 km south of downtown St. Louis, approximately 25 minutes' drive via I-55. Arnold borders Jefferson County and is a perfect base for visiting Mastodon State Historic Site, just 5 km away.

Nearby Kimmswick, a charming historic community on the Mississippi, is reached in 10 minutes. Six Flags St. Louis in Eureka is about 20 km to the west.

Avoid rush hour traffic on I-55 heading north toward St. Louis on weekdays from 7-9 and 16-18. Book a car in advance during the summer months when demand increases significantly.

Take Highway 61 south for a more scenic drive along the Mississippi. What car types are available in Arnold? The 2 rental agencies in Arnold typically offer compact cars, sedans, and SUVs - suitable for both city driving and longer trips in Missouri.

How far is it from Arnold to St. Louis center? It's about 30 km and takes approximately 25-35 minutes via I-55 North, depending on traffic.

Can I return the car at another location in Missouri? Yes, most rental agencies offer one-way rentals, but check for any additional fees for returning the car in, for example, St. Louis or Columbia.

We compare prices from all major providers at Arnold South so you can see the total cost upfront - including insurance, fuel terms and any extras. Most bookings include free cancellation up to 48 hours before pickup, giving you flexibility if your plans change.