Cheap flights from Chattanooga to St. Louis from $214

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chattanooga to St. Louis departing on 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Delta Logo
5:54 am - 9:15 amCHA-STL
4h 21m1 stop
Delta Logo
3:59 pm - 9:19 pmSTL-CHA
4h 20m1 stop
$214Delta
Find Deal
vie., oct. 31 - sáb., nov. 1
American Airlines Logo
6:20 am - 12:11 pmCHA-STL
6h 51m1 stop
American Airlines Logo
5:18 am - 11:44 amSTL-CHA
5h 26m1 stop
$217American Airlines
Find Deal
sáb., ago. 30 - vie., sep. 5
Delta Logo
6:31 pm - 9:15 pmCHA-STL
3h 44m1 stop
Delta Logo
2:15 pm - 9:39 pmSTL-CHA
6h 24m1 stop
$229Delta
Find Deal
vie., sep. 12 - lun., sep. 15
Delta Logo
7:59 pm - 11:14 pmCHA-STL
4h 15m1 stop
Delta Logo
6:00 am - 10:08 amSTL-CHA
3h 08m1 stop
$234Delta
Find Deal
jue., ago. 21 - dom., ago. 24
American Airlines Logo
6:17 pm - 11:55 pmCHA-STL
6h 38m1 stop
American Airlines Logo
9:08 am - 4:33 pmSTL-CHA
6h 25m1 stop
$239American Airlines
Find Deal
jue., ago. 21 - dom., ago. 24
Delta Logo
4:08 pm - 7:07 pmCHA-STL
3h 59m1 stop
Delta Logo
2:15 pm - 9:48 pmSTL-CHA
6h 33m1 stop
$254Delta
Find Deal
sáb., ago. 16 - jue., ago. 21
Delta Logo
6:26 pm - 10:02 pmCHA-STL
4h 36m1 stop
Delta Logo
6:00 am - 10:08 amSTL-CHA
3h 08m1 stop
$269Delta
Find Deal
sáb., ago. 16 - dom., ago. 17
United Airlines Logo
8:45 am - 2:25 pmCHA-STL
6h 40m1 stop
United Airlines Logo
5:24 pm - 10:59 pmSTL-CHA
4h 35m1 stop
$381United Airlines
Find Deal
jue., oct. 30 - lun., nov. 3
Spirit Airlines Logo
4:50 pm - 9:40 amCHA-STL
17h 50m2 stops
Spirit Airlines Logo
2:30 pm - 3:55 pmSTL-CHA
24h 25m3 stops
$439Spirit Airlines
Find Deal
sáb., ago. 16 - dom., ago. 17
United Airlines Logo
2:01 pm - 6:23 pmCHA-STL
5h 22m1 stop
United Airlines Logo
4:40 pm - 1:26 pmSTL-CHA
19h 46m2 stops
$509United Airlines
Find Deal
vie., sep. 12 - lun., sep. 15

Spirit Airlines flights from Chattanooga to St. Louis

Our best Spirit Airlines deals on Chattanooga to St. Louis flight tickets
Spirit Airlines
Aug 16
CHA4:50 pmChattanooga Lovell Field
17h 50m
2 stops
STL9:40 amLambert-St Louis
Aug 17
STL2:30 pmLambert-St Louis
24h 25m
3 stops
CHA3:55 pmChattanooga Lovell Field
Spirit Airlines
Aug 8
CHA1:30 pmChattanooga Lovell Field
21h 10m
3 stops
STL9:40 amLambert-St Louis
Aug 11
STL10:47 amLambert-St Louis
28h 16m
3 stops
CHA4:03 pmChattanooga Lovell Field

Delta flights from Chattanooga to St. Louis

Our best Delta deals on Chattanooga to St. Louis flight tickets
Delta
Oct 31
CHA5:54 amChattanooga Lovell Field
4h 21m
1 stop
STL9:15 amLambert-St Louis
Nov 1
STL3:59 pmLambert-St Louis
4h 20m
1 stop
CHA9:19 pmChattanooga Lovell Field
Delta
Sep 12
CHA6:31 pmChattanooga Lovell Field
3h 44m
1 stop
STL9:15 pmLambert-St Louis
Sep 15
STL2:15 pmLambert-St Louis
6h 24m
1 stop
CHA9:39 pmChattanooga Lovell Field
Delta
Aug 21
CHA7:59 pmChattanooga Lovell Field
4h 15m
1 stop
STL11:14 pmLambert-St Louis
Aug 24
STL6:00 amLambert-St Louis
3h 08m
1 stop
CHA10:08 amChattanooga Lovell Field

momondo Fare Finder

 
Customize your flight search to find flights from Chattanooga 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, momondo users made 832,500 searches. Data last updated agosto 6, 2025.
Use the filters below to find and compare flights from Chattanooga to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

vie. 10/31

5:54 am-9:15 am

1 stop4h 21m

Lambert-St Louis

sáb. 11/1

3:59 pm-9:19 pm

1 stop4h 20m

$214

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

sáb. 8/30

6:20 am-12:11 pm

1 stop6h 51m

Lambert-St Louis

vie. 9/5

5:18 am-11:44 am

1 stop5h 26m

$217

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

vie. 9/12

6:31 pm-9:15 pm

1 stop3h 44m

Lambert-St Louis

lun. 9/15

2:15 pm-9:39 pm

1 stop6h 24m

$229

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

jue. 8/21

7:59 pm-11:14 pm

1 stop4h 15m

Lambert-St Louis

dom. 8/24

6:00 am-10:08 am

1 stop3h 08m

$234

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

jue. 8/21

6:17 pm-11:55 pm

1 stop6h 38m

Lambert-St Louis

dom. 8/24

9:08 am-4:33 pm

1 stop6h 25m

$239

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

sáb. 8/16

4:08 pm-7:07 pm

1 stop3h 59m

Lambert-St Louis

jue. 8/21

2:15 pm-9:48 pm

1 stop6h 33m

$254

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

sáb. 8/16

6:26 pm-10:02 pm

1 stop4h 36m

Lambert-St Louis

dom. 8/17

6:00 am-10:08 am

1 stop3h 08m

$269

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

jue. 10/30

8:45 am-2:25 pm

1 stop6h 40m

Lambert-St Louis

lun. 11/3

5:24 pm-10:59 pm

1 stop4h 35m

$381

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

sáb. 8/16

4:50 pm-9:40 am

2 stops17h 50m

Lambert-St Louis

dom. 8/17

2:30 pm-3:55 pm

3 stops24h 25m

$439

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

vie. 9/12

2:01 pm-6:23 pm

1 stop5h 22m

Lambert-St Louis

lun. 9/15

4:40 pm-1:26 pm

2 stops19h 46m

$509

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

How to get the cheapest flight ticket from Chattanooga to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, August is the cheapest month to fly from Chattanooga to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $243. The month of January is another great option to travel to St. Louis, with average flight prices from Chattanooga averaging around $246.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $258. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $423. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Chattanooga in the evening is the least expensive time of day to depart. momondo users have found prices as low as $235 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $309 per ticket.

How have Chattanooga to St. Louis flight prices changed over time?

As of August 2025, prices for Chattanooga to St. Louis flights are approximately 50% more expensive when compared to flights at the same time last year.

When to book flights from Chattanooga to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Chattanooga to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chattanooga to St. Louis (CHA to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chattanooga to St. Louis

Best Price Found

$214

Fastest flight time

3h 18m

Direct flights

None

Airports in St. Louis

1 airport
The best flight deal from Chattanooga to St. Louis found on momondo in the last 72 hours is $214
The fastest flight from Chattanooga to St. Louis takes 3h 18m
There are no direct flights from Chattanooga to St. Louis. Popular non-direct route for this connection is Chattanooga Lovell Field Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
  • How far is Chattanooga Lovell Field to Lambert-St Louis by plane?

    Lambert-St Louis is 366.1 mi away from Chattanooga Lovell Field. 3h 18m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chattanooga Lovell Field Airport to Lambert-St Louis Airport?

    Prices for flights from Chattanooga Lovell Field Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Chattanooga Lovell Field Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Chattanooga Lovell Field Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chattanooga Lovell Field Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chattanooga to St. Louis?

Best airlines flying from Chattanooga to St. Louis

Compare and see reviews for airlines that fly from Chattanooga to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
Fenton
O'Fallon
Collinsville
Alton
Wentzville
St. Peters
Farmington
Festus
Glencoe
Eureka
Edwardsville
Clayton
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Chattanooga to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Chattanooga.

Can I find flights from Chattanooga to St. Louis with flexible booking policies on momondo?

All flight searches from Chattanooga to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chattanooga to St. Louis?

Once all potential Chattanooga to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chattanooga to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Chattanooga. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
lun. 8/11
lun. 8/18

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