St. Louis

$70+ Cheap flights from Tennessee to St. Louis (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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — STL
may. 24 — may. 311
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Cheap flight deals from Tennessee to St. Louis

Cheapest flights from Tennessee to St. Louis
Explore the most affordable flight options available from Tennessee to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/232:35 pm
BNA
-
STL
1 stop4h 01m
Southern / Mokulele
jue. 4/309:50 am
STL
-
BNA
1 stop3h 58m
Southern / Mokulele
Deal found 4/22$171
This Frontier deal was found by Cheapflights users on 4/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/285:09 pm
BNA
-
STL
1 stop6h 48m
Frontier
lun. 6/18:08 pm
STL
-
BNA
1 stop22h 14m
Frontier
Deal found 4/20$181
This Kissandfly.com deal was found by Cheapflights users on 4/22. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/289:30 am
BNA
-
STL
1 stop3h 51m
Southern / Mokulele
lun. 6/12:00 pm
STL
-
BNA
1 stop4h 03m
Southern / Mokulele
Deal found 4/22$182
This Trip.com deal was found by Cheapflights users on 4/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/262:35 pm
BNA
-
STL
1 stop4h 01m
Multiple Airlines
vie. 5/14:59 pm
STL
-
BNA
1 stop23h 59m
Multiple Airlines
Deal found 4/22$194
This Trip.com deal was found by Cheapflights users on 4/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/272:35 pm
BNA
-
STL
1 stop4h 01m
Multiple Airlines
vie. 5/14:59 pm
STL
-
BNA
1 stop23h 59m
Multiple Airlines
Deal found 4/19$195
This Southwest deal was found by Cheapflights users on 4/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/266:25 am
BNA
-
STL
Nonstop1h 20m
Southwest
mar. 5/2611:35 am
STL
-
BNA
Nonstop1h 10m
Southwest
Deal found 4/21$198
This Trip.com deal was found by Cheapflights users on 4/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/112:35 pm
BNA
-
STL
1 stop4h 01m
Southern / Mokulele
mar. 5/127:20 pm
STL
-
BNA
1 stop13h 43m
Southern / Mokulele
Deal found 4/20$199
This Frontier deal was found by Cheapflights users on 4/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/18:32 pm
TYS
-
STL
1 stop23h 51m
Frontier
mar. 6/98:08 pm
STL
-
TYS
1 stop22h 29m
Frontier
Deal found 4/22$201
This Mytrip deal was found by Cheapflights users on 4/24. 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.
lun. 6/82:35 pm
BNA
-
STL
1 stop4h 01m
Southern / Mokulele
lun. 6/157:20 pm
STL
-
BNA
1 stop13h 43m
Southern / Mokulele
Deal found 4/24$203
This Southwest deal was found by Cheapflights users on 4/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/196:25 am
BNA
-
STL
Nonstop1h 20m
Southwest
mar. 5/262:30 pm
STL
-
BNA
Nonstop1h 10m
Southwest
Deal found 4/21$210
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/139:30 am
BNA
-
STL
1 stop6h 31m
Southern / Mokulele
jue. 5/147:20 pm
STL
-
BNA
1 stop13h 43m
Southern / Mokulele
Deal found 4/21$211
This American Airlines deal was found by Cheapflights users on 4/22. 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.
mié. 5/208:48 pm
TYS
-
STL
1 stop4h 08m
American Airlines
mié. 5/275:08 am
STL
-
TYS
1 stop4h 40m
American Airlines
Deal found 4/22$222

Find flight deals from Tennessee to St. Louis

Keep the following information in mind while searching for Tennessee to St. Louis flight deals. Data was last updated abril 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$181
(Frontier)

One-way from

$70
(Frontier)

Popular in

January

Cheapest in

February

Average price

$275

Good round-trip deal

$331 or less

Good one-way deal

$188 or less
Provider with most accurate pricing for Nashville Intl-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Nashville Intl-Lambert-St Louis flights.
From Tennessee to Lambert-St Louis
One-way flight from Tennessee to Lambert-St Louis
High demand for flights, 3% potential price rise
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Tennessee to Lambert-St Louis.
Price to beat on a one-way flight from Tennessee to Lambert-St Louis.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tennessee 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 2,558,603 searches. Data last updated abril 24, 2026.
Use the filters below to find and compare flights from Tennessee to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

lun. 6/1

8:32 pm-7:23 pm

1 stop23h 51m

Lambert-St Louis

mar. 6/9

8:08 pm-7:37 pm

1 stop22h 29m

$201

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

mar. 5/19

3:40 pm-7:55 pm

1 stop4h 15m

Lambert-St Louis

mar. 5/26

11:35 am-12:45 pm

Nonstop1h 10m

$214

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

mar. 5/19

6:20 am-12:22 pm

1 stop6h 02m

Lambert-St Louis

mar. 5/26

10:49 am-5:31 pm

1 stop6h 42m

$217
Quickest round-trip

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

jue. 5/28

6:35 am-7:55 am

Nonstop1h 20m

Lambert-St Louis

lun. 6/1

8:45 pm-9:55 pm

Nonstop1h 10m

$255

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

lun. 6/1

6:35 am-2:55 pm

2 stops9h 20m

Lambert-St Louis

mar. 6/9

3:45 pm-9:15 pm

1 stop4h 30m

$260

MemphisSt. Louis

MEM - STL

MEMSTL

Memphis

mié. 7/29

7:59 pm-7:23 pm

1 stop23h 24m

Lambert-St Louis

dom. 8/2

8:08 pm-7:14 pm

1 stop23h 06m

$261

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

mié. 8/12

8:55 pm-10:10 pm

Nonstop1h 15m

Lambert-St Louis

dom. 8/16

8:20 am-11:45 am

1 stop3h 25m

$263

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

mié. 5/20

5:50 pm-10:00 pm

1 stop5h 10m

Lambert-St Louis

mar. 5/26

10:15 am-7:40 pm

2 stops8h 25m

$266

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

jue. 5/14

6:35 am-7:55 am

Nonstop1h 20m

Lambert-St Louis

sáb. 5/16

2:25 pm-3:35 pm

Nonstop1h 10m

$270

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

jue. 5/28

6:45 pm-11:15 pm

1 stop5h 30m

Lambert-St Louis

dom. 5/31

2:10 pm-9:05 pm

2 stops5h 55m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Tennessee to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Tennessee 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.

Cheapflights Insights

Everything you need to know about your flight from Tennessee to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Tennessee to St. Louis (average of $81). Flying from Tennessee to St. Louis in November is currently the most expensive (average of $188). 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 TN to STL?

Find hourly flight availability from Tennessee 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 abril 24, 2026.

It’s optimal to fly from Tennessee to St. Louis at noon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Tennessee to St. Louis?

Related info for your journey

Find useful and relevant information for your journey from Tennessee to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to St. Louis from Tennessee?

    For a flight from Tennessee to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How popular is this Tennessee to St. Louis flight route?

  • How long is the flight from Tennessee to St. Louis?

    Airlines like Frontier, Southwest, and Delta fly from Tennessee to St. Louis in about 4h 15m. The time it takes to get you to your destination can typically vary by up to 19h 36m. Tennessee and St. Louis are separated by a distance of 272 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $68. However, be on the lookout for offers from Southern / Mokulele and American Airlines, as they are both options that can get you from Tennessee to St. Louis for a low price.

  • What are the most popular routes from Tennessee to St. Louis?

  • What are the cheapest flights from Tennessee to St. Louis?

    Looking at all options, your cheapest flight can be booked for $93. While the most popular route (Nashville Intl - Lambert-St Louis) can be booked for $185 on average, our data indicates $338 when flying from Tennessee to St. Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Tennessee 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.

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

    Currently, August is the cheapest month in which you can book a flight from Tennessee to St. Louis (average of $81). Flying from Tennessee to St. Louis in November is currently the most expensive (average of $188). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Tennessee to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Tennessee to St. Louis

Discover the top 5 airlines that operate flights from Tennessee 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 2,558,603 searches. Data last updated abril 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$88Average$171FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$152Average$331FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$162Average$397FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$183Average$359FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$258Average$348FlexibilityNo cancel feeOn-time69%

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