$199+ Cheap flights from St. Louis to Knoxville (STL - TYS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from St. Louis to Knoxville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.The best prices from Lambert-St Louis to Knoxville McGhee Tyson are usually found in February or November, booked 46 days in advance, depart on a Thursday or Wednesday and return on a Wednesday
Cheap flight deals from St. Louis to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 17, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $199 (American Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $323 |
Find flight deals from St. Louis to Knoxville
Cheapest flights from St. Louis to KnoxvilleExplore the most affordable flight options available from St. Louis to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.
Explore the most affordable flight options available from St. Louis to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.
This American Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from St. Louis to Knoxville within your budget
Customize your flight search to find flights from St. Louis to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 17, 2025.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisKnoxville
STL - TYS
STLTYS
Lambert-St Louis
Sat 2/1
5:03 am-11:26 am
1 stop5h 23m
Knoxville McGhee Tyson
Sat 2/1
4:08 pm-7:23 pm
1 stop4h 15m
St. LouisKnoxville
STL - TYS
STLTYS
Lambert-St Louis
Thu 2/6
6:43 am-12:14 pm
1 stop4h 31m
Knoxville McGhee Tyson
Sun 2/9
5:45 am-9:21 am
1 stop4h 36m
St. LouisKnoxville
STL - TYS
STLTYS
Lambert-St Louis
Thu 2/13
5:36 pm-11:00 pm
1 stop4h 24m
Knoxville McGhee Tyson
Wed 2/19
10:35 am-3:11 pm
1 stop5h 36m
St. LouisKnoxville
STL - TYS
STLTYS
Lambert-St Louis
Thu 2/20
4:00 pm-1:00 pm
2 stops20h 00m
Knoxville McGhee Tyson
Sun 2/23
9:24 pm-11:30 am
3 stops39h 06m
Compare providers for flights from St. Louis to Knoxville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Knoxville in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from St. Louis with our price prediction graph.
Travel insights for flights from St. Louis to Knoxville
Get recent, data-driven insights about flights from St. Louis to Knoxville including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from St. Louis to Knoxville?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Knoxville (average of $297). Flying from St. Louis to Knoxville in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STL to TYS?
Find hourly flight availability from St. Louis to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 17, 2025.
When flying from St. Louis to Knoxville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight at noon.
What is the cheapest day to fly from St. Louis to Knoxville?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Knoxville. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their St. Louis to Knoxville flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in Knoxville by month
Plan your trip to Knoxville by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.
Temperature in Knoxville by month
Plan your trip to Knoxville by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated January 17, 2025.
To help decide which airline to fly from St. Louis to Knoxville, see what other customers have to say about American Airlines and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Comfort
Food
Overall
Boarding
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Knoxville
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from St. Louis to Knoxville
Discover the top 3 airlines that operate flights from St. Louis to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$327 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$227 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$265 | Average$518 | FlexibilityNo cancel fee | On-time69% |