St. Louis

$75+ Cheap flights from Knoxville to St. Louis (TYS - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — STL
Nov 5 — Nov 121
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Cheap flight deals from Knoxville to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to St. Louis (STL). 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 October 31, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

May

Cheapest in

April

Round-trip from

$123
(Mytrip)

One-way from

$75
(CheapOair)
Provider with most accurate pricing for Knoxville McGhee Tyson-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Lambert-St Louis flights.
High demand for flights, 26% potential price rise
Best time to find cheap flights, 13% potential price drop
From Knoxville McGhee Tyson to Lambert-St Louis
One-way flight from Knoxville McGhee Tyson to Lambert-St Louis

Find flight deals from Knoxville to St. Louis

Cheapest flights from Knoxville to St. Louis
Explore the most affordable flight options available from Knoxville to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Mytrip deal was found by Cheapflights users on 10/31. 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.
Fri 11/158:15 pmTYS - STL
1 stop28h 10mFrontier
Tue 11/195:37 pmSTL - TYS
1 stop23h 52mFrontier
Deal found 10/31$123
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/195:31 amTYS - STL
1 stop6h 15mAmerican Airlines
Tue 11/265:45 amSTL - TYS
1 stop4h 26mAmerican Airlines
Deal found 10/30$228
This Delta deal was found by Cheapflights users on 10/29. 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.
Mon 11/188:09 pmTYS - STL
1 stop4h 32mDelta
Mon 11/2510:17 amSTL - TYS
1 stop4h 06mDelta
Deal found 10/29$233
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/97:00 amTYS - STL
1 stop4h 27mUnited Airlines
Wed 11/1312:37 pmSTL - TYS
1 stop5h 53mUnited Airlines
Deal found 10/30$253
This Mytrip deal was found by Cheapflights users on 10/31. 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.
Fri 11/156:00 amTYS - STL
3 stops35h 34mMultiple Airlines
Tue 11/195:29 pmSTL - TYS
2 stops18h 31mMultiple Airlines
Deal found 10/31$356

Find flights from Knoxville to St. Louis within your budget

Customize your flight search to find flights from Knoxville to St. Louis 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 2,570,725 searches. Data last updated October 31, 2024.

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KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Fri 11/15

8:15 pm-11:25 pm

1 stop28h 10m

$75

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Sun 11/24

9:25 am-4:37 pm

1 stop8h 12m

$191

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Wed 1/15

11:00 am-4:45 pm

3 stops30h 45m

$204

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Mon 12/2

6:48 pm-10:10 pm

1 stop4h 22m

$209

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Fri 11/15

8:15 pm-11:25 pm

1 stop28h 10m

Lambert-St Louis

Tue 11/19

5:37 pm-6:29 pm

1 stop23h 52m

$123

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Tue 11/19

5:31 am-10:46 am

1 stop6h 15m

Lambert-St Louis

Tue 11/26

5:45 am-11:11 am

1 stop4h 26m

$228

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Mon 11/18

8:09 pm-11:41 pm

1 stop4h 32m

Lambert-St Louis

Mon 11/25

10:17 am-3:23 pm

1 stop4h 06m

$233

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Sat 11/9

7:00 am-10:27 am

1 stop4h 27m

Lambert-St Louis

Wed 11/13

12:37 pm-7:30 pm

1 stop5h 53m

$253

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Fri 11/15

6:00 am-6:41 pm

3 stops13h 41m

Lambert-St Louis

Tue 11/19

5:29 pm-1:00 pm

2 stops18h 31m

$393

Flights are sorted by cheapest first

Deals found on 10/31

Compare providers for flights from Knoxville to St. Louis

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 Knoxville to St. Louis in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-St. Louis 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 Knoxville-St. Louis 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 Knoxville to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Knoxville to St. Louis

Get recent, data-driven insights about flights from Knoxville to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Knoxville to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Knoxville to St. Louis (average of $308). Flying from Knoxville to St. Louis in March is currently the most expensive (average of $356). 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 TYS to STL?

Find hourly flight availability from Knoxville to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 31, 2024.

A simple way to save on the total cost of your ticket is to fly from Knoxville to St. Louis at noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated October 31, 2024.
Peruse reviews from past customers who have flown with Delta and United Airlines from Knoxville to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,835 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8,835 reviews
8.0
Very good
8,835 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.4
Good
9,240 reviews
8.0
Very good
8,835 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.2
Good
10,000 reviews
8.0
Very good
8,835 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

6.1
Okay
3,580 reviews
8.0
Very good
8,835 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

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 Knoxville to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Knoxville to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from Knoxville to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $123, but on average you can expect to pay $268.

  • Are there last-minute flights available from Knoxville to St. Louis for under $300?

    There are currently 3+ open flights from Knoxville to St. Louis within the next 7 days for less than $300.

  • What are the cheapest airlines flying from Knoxville to St. Louis round-trip?

    Cheapflights users have booked flights from Knoxville to St. Louis round-trip from $123. Other airlines that can offer you cheap pricing are American Airlines, from $228, and Delta, from $233. These flights start at 58% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Knoxville to St. Louis one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $75. Users have also found prices from $191 and $209 on United Airlines and American Airlines, respectively.

  • What does TYS to STL mean?

    This is defined as Knoxville McGhee Tyson Airport (TYS) and Lambert-St Louis Airport (STL). Codes like Lambert-St Louis Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Knoxville to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Knoxville to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Knoxville to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Knoxville to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Knoxville to St. Louis that include hotel bookings?

    Yes. In addition to deals on Knoxville to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to St. Louis.

  • Can I find deals for business class flights from Knoxville to St. Louis?

    Yes. Cheapflights offers flight deals from Knoxville to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Knoxville to St. Louis that allow pets onboard?

    Many airlines flying from Knoxville to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Knoxville to St. Louis?

    Yes, you can often find last-minute deals on Knoxville to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Knoxville to St. Louis flight deals updated?

    The Knoxville to St. Louis flight deals you see on this page were last updated on 10/31.

  • What is the cheapest month to book a flight from Knoxville to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Knoxville to St. Louis (average of $308). Flying from Knoxville to St. Louis in March is currently the most expensive (average of $356). 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.

See more FAQs

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Top 3 airlines flying from Knoxville to St. Louis

Discover the top 3 airlines that operate flights from Knoxville to St. Louis. 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$279FlexibilityNo cancel feeOn-time71%
DeltaCheapest$217Average$343FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$240Average$330FlexibilityNo cancel feeOn-time69%
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