Flight
Driving
Knoxville to St. Louis
Updated: 01 Jun 2026
The drive from Knoxville to St. Louis is a manageable trip through the rolling hills of Kentucky and the plains of Illinois. Covering approximately 850 kilometers, the route typically follows I-75 North to I-64 West. This journey takes about 8 to 9 hours of driving time. Alternatively, you can fly from McGhee Tyson Airport (TYS) to St. Louis Lambert International Airport (STL), usually with a connection in a hub like Chicago or Atlanta. St. Louis is famous for the Gateway Arch and its rich musical history. Plan your drive to avoid rush hour traffic in Louisville.
Total Distance: Driving distance 860 km, straight-line air distance 720 km.
Fastest Way
Flying is the fastest, taking about 4 hours total.
Cheapest Way
Driving is the most cost-effective option for this distance.
Compare Knoxville to St. Louis Routes
|
Connecting
|
Direct
|
|
|---|---|---|
| Duration | 4 hours | 9 hours |
| Avg Price | $250 - $450 | $110 - $160 in fuel |
| Operator | American Airlines | Personal Vehicle |
| Route | TYS to STL via CLT or ORD. | I-75 N to I-64 W through Louisville. |
| Tip | Flights are frequent but almost always require a layover. | The drive through southern Illinois is very flat and straightforward. |
Travel Tips
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TrafficAvoid the downtown St. Louis area during major sporting events.
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DiningTry St. Louis-style pizza and toasted ravioli while visiting.
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NavigationI-64 is the main highway; watch for construction zones in Illinois.
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ParkingUse public garages near the Arch for easy access to the riverfront.
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AirportSTL is well-connected to downtown via the MetroLink light rail.
Safety Tips
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Urban SafetyStick to well-traveled areas in the downtown district.
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Road SafetyBe alert for heavy truck traffic on I-64.
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Vehicle SecurityKeep your car locked and avoid leaving bags in plain sight.
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Emergency PrepKeep a charged phone and power bank for your road trip.
People Also Ask
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Is St. Louis safe?Like any major city, exercise caution in certain neighborhoods.
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How long is the drive?Expect 8 to 9 hours of driving time.
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Are there direct flights?No, direct flights are not currently available from TYS.
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What is the best way to get around?A car is recommended for exploring the wider St. Louis area.
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Is the Arch worth it?Yes, it is a must-see landmark for any visitor.
Quick Info
- From Knoxville, Tennessee, United States
- To St. Louis, Missouri, United States
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Modes
Best Time to Travel
Spring and autumn for pleasant weather to explore the city's parks.
Things to Do in St. Louis
1
Gateway Arch
The iconic monument representing the gateway to the West. Take the tram to the top for incredible views.
2
Forest Park
One of the largest urban parks in the US, home to the zoo and art museum. It is free to enter.
3
City Museum
A unique, interactive playground built from repurposed industrial objects. It is fun for all ages.
4
Anheuser-Busch Brewery
Take a tour of the historic brewery and learn about the city's brewing heritage.
Tags
Knoxville to St. Louis
driving to St. Louis
flights to St. Louis
I-40 to I-64
traveling to Missouri
TYS to STL
road trip Knoxville to St. Louis
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