Journey information
Overview: Knoxville, TN to St. Louis, MO flight
Flights from Knoxville, TN to St. Louis, MO depart on average 9 times per day, taking around 5h 33m. Cheap flight tickets for this journey start at $296 (€240) but you can travel from only $118 (€95) by bus.
The earliest flight runs at 05:15, the last at 17:28. The fastest flight covers the 390 miles (629 km) distance in 4h 39m. December is the cheapest month to fly.
Distance 390 miles (629 km) |
Average flight duration 5h 33m |
Cheapest ticket price $296 (€240) |
Flights per day 9 |
Fastest flight 4h 39m |
Cheapest month to travel December |
First flight 05:15 |
Last flight 17:28 |
The cheapest and fastest flights from Knoxville, TN to St. Louis, MO
Cheapest price
$296
Average price
$296
Fastest journey
5 h 17 m
Average duration
5 h 17 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 $296 if you buy it on the day, but the cheapest tickets can be found for only $296.
Of the 1 flights that leave Knoxville, TN for St. Louis, MO onFri, Nov 28, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, Nov 28 the direct flights cover the 629 km distance in an average of 5 h 17 m but if you time it right, some flights will get you there in just 5 h 17 m .
On Fri, Nov 28 the longest flights will take 5 h 17 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 €95. For those with little time consider booking a flight which can get you there in 5h 33m. The ticket price range depends on the travel mode: a bus costs an average of €95, and a flight costs an average of €240.
Distance: 390 miles (629 km)
Compare flight with
Most popular Flight | Bus |
|---|---|
€254 Average price | €128 Average price Cheapest |
8h 33m Average total duration Fastest 5h 33m Onboard + 3h 0m Additional time* | 20h 15m Average total duration 19h 45m Onboard + 30m Additional time* |
Direct Options | Direct Options |
Live departures
Knoxville, TN to St. Louis, MO flight times
The table below shows live departures for Knoxville, TN to St. Louis, MO flights for today, Thursday, November 27. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 2:54 PM Knoxville, TN | 4h39 | 7:33 PM St. Louis, MO | 0 transfersDirect | |
| Friday, November 28 | |||||
![]() | 9:45 AM Knoxville, TN | 5h17 | 3:02 PM St. Louis, MO | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
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.
Nov 28
Nov 29
Nov 30
Dec 01
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Dec 04
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.
Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you.
Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
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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