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Cheap flights from St. Louis to Chattanooga from $176

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Chattanooga departing on 4/28. 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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Find the cheapest flights from St. Louis to Chattanooga

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:47 pm - 11:21 pm
STL
-
CHA
3h 34m
1 stop
Delta Logo
6:15 pm - 9:06 pm
CHA
-
STL
3h 51m
1 stop
$249Delta
lun., mar. 2 - lun., mar. 9
Delta Logo
7:10 am - 2:04 pm
STL
-
CHA
5h 54m
1 stop
Delta Logo
6:03 pm - 11:36 pm
CHA
-
STL
6h 33m
1 stop
$259Delta
mar., feb. 17 - sáb., feb. 21
American Airlines Logo
5:12 am - 11:46 am
STL
-
CHA
5h 34m
1 stop
American Airlines Logo
3:35 pm - 10:52 pm
CHA
-
STL
8h 17m
2 stops
$264American Airlines
mar., feb. 17 - sáb., feb. 21
American Airlines Logo
8:00 am - 5:03 pm
STL
-
CHA
8h 03m
2 stops
American Airlines Logo
5:00 am - 1:50 pm
CHA
-
STL
9h 50m
2 stops
$269American Airlines
mar., feb. 17 - sáb., feb. 21
American Airlines Logo
6:00 am - 1:23 pm
STL
-
CHA
6h 23m
2 stops
American Airlines Logo
6:47 pm - 11:44 pm
CHA
-
STL
5h 57m
1 stop
$279American Airlines
lun., mar. 2 - lun., mar. 9
Delta Logo
7:09 pm - 11:53 pm
STL
-
CHA
3h 44m
1 stop
Delta Logo
2:52 pm - 5:46 pm
CHA
-
STL
3h 54m
1 stop
$314Delta
vie., may. 15 - mar., may. 19
United Airlines Logo
11:25 am - 4:47 pm
STL
-
CHA
4h 22m
1 stop
United Airlines Logo
6:30 am - 10:36 am
CHA
-
STL
5h 06m
1 stop
$319United Airlines
mar., feb. 17 - sáb., feb. 21
United Airlines Logo
6:25 am - 12:16 pm
STL
-
CHA
4h 51m
1 stop
United Airlines Logo
6:30 am - 10:36 am
CHA
-
STL
5h 06m
1 stop
$369United Airlines
mié., feb. 18 - dom., feb. 22
United Airlines Logo
7:45 am - 1:22 pm
STL
-
CHA
4h 37m
1 stop
United Airlines Logo
5:20 pm - 10:28 pm
CHA
-
STL
6h 08m
1 stop
$388United Airlines
vie., abr. 17 - lun., abr. 20
United Airlines Logo
7:41 am - 4:47 pm
STL
-
CHA
8h 06m
1 stop
United Airlines Logo
5:22 pm - 9:05 pm
CHA
-
STL
4h 43m
1 stop
$394United Airlines
sáb., feb. 21 - mié., feb. 25

Delta flights from St. Louis to Chattanooga

Our best Delta deals on St. Louis to Chattanooga flight tickets
Delta
Mar 2
STL6:47 pmLambert-St Louis
3h 34m
1 stop
CHA11:21 pmChattanooga Lovell Field
Mar 9
CHA6:15 pmChattanooga Lovell Field
3h 51m
1 stop
STL9:06 pmLambert-St Louis
$249
Delta
Feb 17
STL7:10 amLambert-St Louis
5h 54m
1 stop
CHA2:04 pmChattanooga Lovell Field
Feb 21
CHA6:03 pmChattanooga Lovell Field
6h 33m
1 stop
STL11:36 pmLambert-St Louis
$259
Delta
May 15
STL7:09 pmLambert-St Louis
3h 44m
1 stop
CHA11:53 pmChattanooga Lovell Field
May 19
CHA2:52 pmChattanooga Lovell Field
3h 54m
1 stop
STL5:46 pmLambert-St Louis
$314

American Airlines flights from St. Louis to Chattanooga

Our best American Airlines deals on St. Louis to Chattanooga flight tickets
American Airlines
Feb 17
STL5:12 amLambert-St Louis
5h 34m
1 stop
CHA11:46 amChattanooga Lovell Field
Feb 21
CHA3:35 pmChattanooga Lovell Field
8h 17m
2 stops
STL10:52 pmLambert-St Louis
$264
American Airlines
Feb 17
STL8:00 amLambert-St Louis
8h 03m
2 stops
CHA5:03 pmChattanooga Lovell Field
Feb 21
CHA5:00 amChattanooga Lovell Field
9h 50m
2 stops
STL1:50 pmLambert-St Louis
$269
American Airlines
Mar 2
STL6:00 amLambert-St Louis
6h 23m
2 stops
CHA1:23 pmChattanooga Lovell Field
Mar 9
CHA6:47 pmChattanooga Lovell Field
5h 57m
1 stop
STL11:44 pmLambert-St Louis
$279

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Chattanooga 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 febrero 3, 2026.
Use the filters below to find and compare flights from St. Louis to Chattanooga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

lun. 3/2

6:47 pm-11:21 pm

1 stop3h 34m

Chattanooga Lovell Field

lun. 3/9

6:15 pm-9:06 pm

1 stop3h 51m

$249

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

mar. 2/17

7:10 am-2:04 pm

1 stop5h 54m

Chattanooga Lovell Field

sáb. 2/21

6:03 pm-11:36 pm

1 stop6h 33m

$259

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

mar. 2/17

5:12 am-11:46 am

1 stop5h 34m

Chattanooga Lovell Field

sáb. 2/21

3:35 pm-10:52 pm

2 stops8h 17m

$264

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

mar. 2/17

8:00 am-5:03 pm

2 stops8h 03m

Chattanooga Lovell Field

sáb. 2/21

5:00 am-1:50 pm

2 stops9h 50m

$269

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

lun. 3/2

6:00 am-1:23 pm

2 stops6h 23m

Chattanooga Lovell Field

lun. 3/9

6:47 pm-11:44 pm

1 stop5h 57m

$279

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

vie. 5/15

7:09 pm-11:53 pm

1 stop3h 44m

Chattanooga Lovell Field

mar. 5/19

2:52 pm-5:46 pm

1 stop3h 54m

$314

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

mar. 2/17

11:25 am-4:47 pm

1 stop4h 22m

Chattanooga Lovell Field

sáb. 2/21

6:30 am-10:36 am

1 stop5h 06m

$319

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

mié. 2/18

6:25 am-12:16 pm

1 stop4h 51m

Chattanooga Lovell Field

dom. 2/22

6:30 am-10:36 am

1 stop5h 06m

$369

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

vie. 4/17

7:45 am-1:22 pm

1 stop4h 37m

Chattanooga Lovell Field

lun. 4/20

5:20 pm-10:28 pm

1 stop6h 08m

$388

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

sáb. 2/21

7:41 am-4:47 pm

1 stop8h 06m

Chattanooga Lovell Field

mié. 2/25

5:22 pm-9:05 pm

1 stop4h 43m

$394

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Chattanooga from

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

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 Chattanooga?

The month of May is another great option to travel to Chattanooga, with average flight prices from St. Louis averaging around $228.

When to book flights from St. Louis to Chattanooga

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

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

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

Fastest flight time

3h 34m

Direct flights

None
The fastest flight from St. Louis to Chattanooga takes 3h 34m
There are no direct flights from St. Louis to Chattanooga. There are no popular flight routes from St. Louis to Chattanooga.
Search flight deals

  • How far is Lambert-St Louis to Chattanooga Lovell Field by plane?

    There are 366.1 mi between Lambert-St Louis and Chattanooga Lovell Field. In terms of flight time, this usually takes a little over 3h 34m.

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

    Prices for flights from Lambert-St Louis Airport to Chattanooga Lovell Field Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Chattanooga Lovell Field Airport?

    The travel and health documents required for your trip to Chattanooga Lovell Field 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 Chattanooga Lovell Field 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 St. Louis to Chattanooga?

Best airlines flying from St. Louis to Chattanooga

Compare and see reviews for airlines that fly from St. Louis to Chattanooga with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $222Free CancellationRating
7.9
8,138 reviews
Search Delta flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights

Traveling to a place near Chattanooga?

Book flights to Chattanooga if you plan to visit one of these locations
Ringgold
East Ridge
Lookout Mountain
Trenton
Decatur
Lookout Mountain
Jasper

Why use momondo?

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

It is quick and easy to find St. Louis to Chattanooga flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chattanooga that suits you.

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

Flights from St. Louis to Chattanooga with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Chattanooga from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for St. Louis to Chattanooga flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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