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Cheap flights from Chattanooga to St. Louis from $130

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chattanooga to St. Louis departing on 4/30. 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 Chattanooga to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:40 am - 8:18 am
CHA
-
STL
3h 38m
1 stop
Delta Logo
7:08 am - 2:05 pm
STL
-
CHA
5h 57m
1 stop
$271Delta
Wed, Jun 3 - Wed, Jun 10
Delta Logo
5:40 am - 8:19 am
CHA
-
STL
3h 39m
1 stop
Delta Logo
7:08 am - 2:05 pm
STL
-
CHA
5h 57m
1 stop
$286Delta
Sat, Jun 6 - Tue, Jun 9
Multiple Airlines Logo
3:29 pm - 6:50 am
CHA
-
STL
16h 21m
2 stops
Multiple Airlines Logo
4:59 pm - 2:39 pm
STL
-
CHA
20h 40m
1 stop
$287Multiple Airlines
Fri, May 1 - Sun, May 3
Delta Logo
5:40 am - 8:18 am
CHA
-
STL
3h 38m
1 stop
Delta Logo
5:24 pm - 10:11 pm
STL
-
CHA
3h 47m
1 stop
$290Delta
Wed, Jun 3 - Mon, Jun 8
Delta Logo
4:35 pm - 7:11 pm
CHA
-
STL
3h 36m
1 stop
Delta Logo
6:00 am - 11:07 am
STL
-
CHA
4h 07m
1 stop
$295Delta
Sat, Apr 18 - Tue, Apr 28
Delta Logo
4:30 pm - 9:29 pm
CHA
-
STL
5h 59m
1 stop
Delta Logo
1:39 pm - 7:32 pm
STL
-
CHA
4h 53m
1 stop
$305Delta
Sat, Jun 6 - Thu, Jun 11
Delta Logo
7:51 pm - 11:36 pm
CHA
-
STL
4h 45m
1 stop
Delta Logo
6:00 am - 1:28 pm
STL
-
CHA
6h 28m
1 stop
$309Delta
Fri, Apr 24 - Sun, Apr 26
Delta Logo
4:35 pm - 9:19 pm
CHA
-
STL
5h 44m
1 stop
Delta Logo
7:25 am - 1:28 pm
STL
-
CHA
5h 03m
1 stop
$314Delta
Fri, Apr 17 - Fri, Apr 24
Delta Logo
5:45 am - 8:30 am
CHA
-
STL
3h 45m
1 stop
Delta Logo
1:03 pm - 8:04 pm
STL
-
CHA
6h 01m
1 stop
$319Delta
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
5:40 pm - 11:00 pm
CHA
-
STL
6h 20m
1 stop
United Airlines Logo
5:00 am - 10:09 am
STL
-
CHA
4h 09m
1 stop
$341United Airlines
Sat, Aug 15 - Tue, Aug 18

Delta flights from Chattanooga to St. Louis

Our best Delta deals on Chattanooga to St. Louis flight tickets
Delta
Jun 3
CHA5:40 amChattanooga Lovell Field
3h 38m
1 stop
STL8:18 amLambert-St Louis
Jun 10
STL7:08 amLambert-St Louis
5h 57m
1 stop
CHA2:05 pmChattanooga Lovell Field
$271
Delta
Jun 6
CHA5:40 amChattanooga Lovell Field
3h 39m
1 stop
STL8:19 amLambert-St Louis
Jun 9
STL7:08 amLambert-St Louis
5h 57m
1 stop
CHA2:05 pmChattanooga Lovell Field
$286
Delta
Jun 3
CHA5:40 amChattanooga Lovell Field
3h 38m
1 stop
STL8:18 amLambert-St Louis
Jun 8
STL5:24 pmLambert-St Louis
3h 47m
1 stop
CHA10:11 pmChattanooga Lovell Field
$290

United Airlines flights from Chattanooga to St. Louis

Our best United Airlines deals on Chattanooga to St. Louis flight tickets
United Airlines
Aug 15
CHA5:40 pmChattanooga Lovell Field
6h 20m
1 stop
STL11:00 pmLambert-St Louis
Aug 18
STL5:00 amLambert-St Louis
4h 09m
1 stop
CHA10:09 amChattanooga Lovell Field
$341
United Airlines
Apr 9
CHA8:30 amChattanooga Lovell Field
6h 54m
1 stop
STL2:24 pmLambert-St Louis
Apr 13
STL9:10 amLambert-St Louis
6h 56m
1 stop
CHA5:06 pmChattanooga Lovell Field
$379
United Airlines
Jun 3
CHA5:58 pmChattanooga Lovell Field
6h 37m
1 stop
STL11:35 pmLambert-St Louis
Jun 7
STL6:00 amLambert-St Louis
6h 21m
1 stop
CHA1:21 pmChattanooga Lovell Field
$382

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 April 2, 2026.
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

Cheapest round-trip

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Wed 6/3

5:40 am-8:18 am

1 stop3h 38m

Lambert-St Louis

Wed 6/10

7:08 am-2:05 pm

1 stop5h 57m

$271

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Sat 6/6

5:40 am-8:19 am

1 stop3h 39m

Lambert-St Louis

Tue 6/9

7:08 am-2:05 pm

1 stop5h 57m

$286

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Fri 5/1

3:29 pm-6:50 am

2 stops16h 21m

Lambert-St Louis

Sun 5/3

4:59 pm-2:39 pm

1 stop20h 40m

$287
Quickest round-trip

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Wed 6/3

5:40 am-8:18 am

1 stop3h 38m

Lambert-St Louis

Mon 6/8

5:24 pm-10:11 pm

1 stop3h 47m

$290

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Sat 4/18

4:35 pm-7:11 pm

1 stop3h 36m

Lambert-St Louis

Tue 4/28

6:00 am-11:07 am

1 stop4h 07m

$295

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Sat 6/6

4:30 pm-9:29 pm

1 stop5h 59m

Lambert-St Louis

Thu 6/11

1:39 pm-7:32 pm

1 stop4h 53m

$305

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Fri 4/24

7:51 pm-11:36 pm

1 stop4h 45m

Lambert-St Louis

Sun 4/26

6:00 am-1:28 pm

1 stop6h 28m

$309

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Fri 4/17

4:35 pm-9:19 pm

1 stop5h 44m

Lambert-St Louis

Fri 4/24

7:25 am-1:28 pm

1 stop5h 03m

$314

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Tue 4/14

5:45 am-8:30 am

1 stop3h 45m

Lambert-St Louis

Sat 4/18

1:03 pm-8:04 pm

1 stop6h 01m

$319

ChattanoogaSt. Louis

CHA - STL

CHASTL

Chattanooga Lovell Field

Sat 8/15

5:40 pm-11:00 pm

1 stop6h 20m

Lambert-St Louis

Tue 8/18

5:00 am-10:09 am

1 stop4h 09m

$341

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 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 typical price of a round-trip flight between Chattanooga and St. Louis?

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

In general, January 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 $249. The month of August is another great option to travel to St. Louis, with average flight prices from Chattanooga averaging around $253.

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

As of April 2026, prices for Chattanooga to St. Louis flights are approximately 17% cheaper 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

Fastest flight time

3h 41m

Direct flights

None
The fastest flight from Chattanooga to St. Louis takes 3h 41m
There are no direct flights from Chattanooga to St. Louis. There are no popular flight routes from Chattanooga to St. Louis.
Search flight deals

Frequently asked questions about flying from Chattanooga to St. Louis

  • 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 41m 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
7.1
11,549 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,370 reviews
Search Delta flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,533 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
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Alton
Wentzville
Fenton
Farmington
Clayton
Festus
Eureka
Edwardsville
Litchfield
Shrewsbury
Grafton

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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