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Cheap flights from St. Louis to Chattanooga from $107

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 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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
10:51 am - 3:20 pm
STL
-
CHA
3h 29m
1 stop
Delta Logo
1:11 pm - 6:07 pm
CHA
-
STL
5h 56m
1 stop
$271Delta
Tue, Jun 23 - Tue, Jun 30
American Airlines Logo
5:29 am - 11:51 am
STL
-
CHA
5h 22m
1 stop
American Airlines Logo
5:38 am - 8:41 am
CHA
-
STL
4h 03m
1 stop
$286American Airlines
Wed, Jun 10 - Sat, Jun 13
Multiple Airlines Logo
4:17 pm - 9:14 pm
STL
-
CHA
27h 57m
1 stop
Multiple Airlines Logo
10:26 am - 8:52 am
CHA
-
STL
23h 26m
2 stops
$293Multiple Airlines
Thu, Jun 18 - Tue, Jun 30
Delta Logo
7:12 pm - 11:57 pm
STL
-
CHA
3h 45m
1 stop
Delta Logo
8:30 pm - 11:56 pm
CHA
-
STL
4h 26m
1 stop
$301Delta
Fri, Jun 19 - Thu, Jun 25
Delta Logo
7:08 am - 12:22 pm
STL
-
CHA
4h 14m
1 stop
Delta Logo
5:35 am - 8:19 am
CHA
-
STL
3h 44m
1 stop
$305Delta
Tue, Jul 21 - Wed, Jul 29
Delta Logo
7:08 am - 12:22 pm
STL
-
CHA
4h 14m
1 stop
Delta Logo
10:01 am - 12:17 pm
CHA
-
STL
3h 16m
1 stop
$309Delta
Mon, Jul 13 - Tue, Jul 21
Delta Logo
6:00 am - 12:23 pm
STL
-
CHA
5h 23m
1 stop
Delta Logo
7:22 pm - 11:56 pm
CHA
-
STL
5h 34m
1 stop
$311Delta
Fri, Jun 26 - Mon, Jun 29
American Airlines Logo
7:04 am - 3:33 pm
STL
-
CHA
7h 29m
1 stop
American Airlines Logo
8:11 pm - 11:44 pm
CHA
-
STL
4h 33m
1 stop
$315American Airlines
Thu, Jun 11 - Wed, Jun 17
United Airlines Logo
1:13 pm - 8:49 pm
STL
-
CHA
6h 36m
1 stop
United Airlines Logo
1:56 pm - 6:14 pm
CHA
-
STL
5h 18m
1 stop
$319United Airlines
Tue, May 26 - Sat, May 30
Delta Logo
7:12 pm - 11:57 pm
STL
-
CHA
3h 45m
1 stop
Delta Logo
5:35 am - 9:08 am
CHA
-
STL
4h 33m
1 stop
$320Delta
Fri, Jun 19 - Sat, Jun 27

United Airlines flights from St. Louis to Chattanooga

Our best United Airlines deals on St. Louis to Chattanooga flight tickets
United Airlines
May 26
STL1:13 pmLambert-St Louis
6h 36m
1 stop
CHA8:49 pmChattanooga Lovell Field
May 30
CHA1:56 pmChattanooga Lovell Field
5h 18m
1 stop
STL6:14 pmLambert-St Louis
$319
United Airlines
Aug 15
STL12:59 pmLambert-St Louis
6h 38m
1 stop
CHA8:37 pmChattanooga Lovell Field
Aug 19
CHA6:10 pmChattanooga Lovell Field
6h 28m
1 stop
STL11:38 pmLambert-St Louis
$341
United Airlines
May 20
STL7:45 amLambert-St Louis
4h 40m
1 stop
CHA1:25 pmChattanooga Lovell Field
May 27
CHA5:40 pmChattanooga Lovell Field
6h 12m
1 stop
STL10:52 pmLambert-St Louis
$346

American Airlines flights from St. Louis to Chattanooga

Our best American Airlines deals on St. Louis to Chattanooga flight tickets
American Airlines
Jun 10
STL5:29 amLambert-St Louis
5h 22m
1 stop
CHA11:51 amChattanooga Lovell Field
Jun 13
CHA5:38 amChattanooga Lovell Field
4h 03m
1 stop
STL8:41 amLambert-St Louis
$286
American Airlines
Jun 11
STL7:04 amLambert-St Louis
7h 29m
1 stop
CHA3:33 pmChattanooga Lovell Field
Jun 17
CHA8:11 pmChattanooga Lovell Field
4h 33m
1 stop
STL11:44 pmLambert-St Louis
$315
American Airlines
Jul 4
STL9:41 amLambert-St Louis
4h 52m
1 stop
CHA3:33 pmChattanooga Lovell Field
Jul 10
CHA8:10 pmChattanooga Lovell Field
4h 47m
1 stop
STL11:57 pmLambert-St Louis
$356

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 May 15, 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

Cheapest round-trip

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Tue 6/23

10:51 am-3:20 pm

1 stop3h 29m

Chattanooga Lovell Field

Tue 6/30

1:11 pm-6:07 pm

1 stop5h 56m

$271

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Wed 6/10

5:29 am-11:51 am

1 stop5h 22m

Chattanooga Lovell Field

Sat 6/13

5:38 am-8:41 am

1 stop4h 03m

$286

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 6/18

4:17 pm-9:14 pm

1 stop27h 57m

Chattanooga Lovell Field

Tue 6/30

10:26 am-8:52 am

2 stops23h 26m

$293

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 6/19

7:12 pm-11:57 pm

1 stop3h 45m

Chattanooga Lovell Field

Thu 6/25

8:30 pm-11:56 pm

1 stop4h 26m

$301

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Tue 7/21

7:08 am-12:22 pm

1 stop4h 14m

Chattanooga Lovell Field

Wed 7/29

5:35 am-8:19 am

1 stop3h 44m

$305
Quickest round-trip

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Mon 7/13

7:08 am-12:22 pm

1 stop4h 14m

Chattanooga Lovell Field

Tue 7/21

10:01 am-12:17 pm

1 stop3h 16m

$309

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 6/26

6:00 am-12:23 pm

1 stop5h 23m

Chattanooga Lovell Field

Mon 6/29

7:22 pm-11:56 pm

1 stop5h 34m

$311

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 6/11

7:04 am-3:33 pm

1 stop7h 29m

Chattanooga Lovell Field

Wed 6/17

8:11 pm-11:44 pm

1 stop4h 33m

$315

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Tue 5/26

1:13 pm-8:49 pm

1 stop6h 36m

Chattanooga Lovell Field

Sat 5/30

1:56 pm-6:14 pm

1 stop5h 18m

$319

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 6/19

7:12 pm-11:57 pm

1 stop3h 45m

Chattanooga Lovell Field

Sat 6/27

5:35 am-9:08 am

1 stop4h 33m

$320

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 August is another great option to travel to Chattanooga, with average flight prices from St. Louis averaging around $293.

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

4h 44m

Direct flights

None
The fastest flight from St. Louis to Chattanooga takes 4h 44m
There are no direct flights from St. Louis to Chattanooga. There are no popular flight routes from St. Louis to Chattanooga.
Search flight deals

Frequently asked questions about flying from St. Louis to Chattanooga

  • 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 4h 44m.

  • 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 $238Free CancellationRating
7.9
8,453 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,662 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
Bridgeport
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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