Journey information
Overview: Knoxville, TN to St. Louis, MO flight
Flights from Knoxville, TN to St. Louis, MO depart on average 30 times per day, taking around 6h 6m. Cheap flight tickets for this journey start at $328 (€261) but you can travel from only $217 (€173) by bus.
The earliest flight runs at 05:15, the last at 19:23. The fastest flight covers the 390 miles (629 km) distance in 5h 50m. November is the cheapest month to fly.
Distance 390 miles (629 km) |
Average flight duration 6h 6m |
Cheapest ticket price $328 (€261) |
Flights per day 30 |
Fastest flight 5h 50m |
Cheapest month November |
First flight 05:15 |
Last flight 19:23 |
The cheapest and fastest flights from Knoxville, TN to St. Louis, MO
Cheapest price
$328
Average price
$328
Fastest journey
6 h 22 m
Average duration
6 h 22 m
Flights per day
1
Distance
629 km
The best way to find a cheap flight ticket from Knoxville, TN to St. Louis, MO is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Knoxville, TN to St. Louis, MO will cost around $328 if you buy it on the day, but the cheapest tickets can be found for only $328.
Of the 1 flights that leave Knoxville, TN for St. Louis, MO onMon, Mar 02, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Mar 02 the direct flights cover the 629 km distance in an average of 6 h 22 m but if you time it right, some flights will get you there in just 6 h 22 m .
On Mon, Mar 02 the longest flights will take 6 h 22 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.


Travel Information
Compare bus and flight for Knoxville, TN to St. Louis, MO
Omio recommends booking the flight as it is the most popular option from Knoxville, TN to St. Louis, MO among Omio's users. If you are prioritising price take the bus with prices starting from $217. For those with little time consider booking a flight which can get you there in 6h 6m. The ticket price range depends on the travel mode: a bus costs an average of $217, and a flight costs an average of $328.
Distance: 390 miles (629 km)
Compare flight with
Most popular Flight | Bus |
|---|---|
$347 Average price | $228 Average price Cheapest |
9h 6m Average total duration Fastest 6h 6m Onboard + 3h 0m Additional time* | 19h 8m Average total duration 18h 38m Onboard + 30m Additional time* |
Direct Options | Direct Options |
Compare prices and tickets Knoxville, TN to St. Louis, MO by bus or flight
Compare bus and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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FAQs: Knoxville, TN to St. Louis, MO Flight
Find answers to the most common questions about traveling from Knoxville, TN to St. Louis, MO by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at St. Louis, MO, this guide helps you travel smarter and with confidence.

- St. Louis Mardi Gras, a vibrant celebration featuring parades, live music, and festive activities in the Soulard neighborhood
- St. Louis Art Fair, an annual event showcasing local and national artists with art exhibits, live performances, and culinary delights
- Fair St. Louis, a multi-day Independence Day festival with fireworks, concerts, and family-friendly activities along the Gateway Arch.
- Independence Day, vibrant fireworks and festive celebrations throughout the city
- Labor Day, pleasant weather and various outdoor activities
- Thanksgiving, a time for family gatherings with a charming autumn atmosphere.
popular airports
Popular airports from Knoxville, TN to St. Louis, MO
- Free Wi-Fi available throughout the airport.
- Shops in concourses, including Hudson News.
- Parking available near the terminal, approximately 1.9€ (BRL 10) per hour.
- Restaurants in Concourse A and B, including Ruby Tuesday and Quiznos
- Available outside the terminal.
- Available throughout the airport.
- Hotels within walking distance, including Hilton Knoxville Airport.
- Lounge available for American Airlines passengers.
- Available throughout the airport.
- Car rental services available near baggage claim, including Hertz and Avis
- Bus Route 20, Knoxville Station, 12 miles
- Free Wi-Fi available throughout the airport.
- Shops in both terminals, including Hudson News and Tech on the Go.
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
- Available outside the terminal.
- Elevators, ramps
- Available throughout both terminals.
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
- Showers available in some lounges, access may require lounge fee.
- Lounges available, including American Airlines Admirals Club.
- Lost and Found located in terminal 1, contact airport for details.
- Car rental services available, including Hertz and Enterprise in terminal 1
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
More options for your journey from Knoxville, TN to St. Louis, MO
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