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Cheap flights from Chattanooga to St. Louis from $274

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chattanooga to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:03 pm - 11:58 pmCHA  Chattanooga Lovell Field-STL Lambert-St Louis
4h 55m1 stop Charlotte Douglas
American Airlines Logo
1:58 pm - 9:09 pmSTL  Lambert-St Louis-CHA Chattanooga Lovell Field
6h 11m1 stop Charlotte Douglas
$319American Airlines
Thu, Nov 12 - Wed, Nov 18
American Airlines Logo
6:00 am - 9:36 amCHA  Chattanooga Lovell Field-STL Lambert-St Louis
4h 36m1 stop Charlotte Douglas
American Airlines Logo
4:01 pm - 11:08 pmSTL  Lambert-St Louis-CHA Chattanooga Lovell Field
6h 07m1 stop Washington, D.C. Reagan-National
$319American Airlines
Fri, Jan 8 - Sun, Jan 10
Delta Logo
4:05 pm - 9:42 pmCHA  Chattanooga Lovell Field-STL Lambert-St Louis
6h 37m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:33 pm - 6:44 pmSTL  Lambert-St Louis-CHA Chattanooga Lovell Field
3h 11m1 stop Atlanta Hartsfield-Jackson
$319Delta
Mon, Nov 30 - Mon, Dec 7
American Airlines Logo
4:06 pm - 9:59 pmCHA  Chattanooga Lovell Field-STL Lambert-St Louis
6h 53m1 stop Dallas/Fort Worth
American Airlines Logo
5:00 am - 11:37 amSTL  Lambert-St Louis-CHA Chattanooga Lovell Field
5h 37m1 stop Dallas/Fort Worth
$319American Airlines
Mon, Nov 23 - Tue, Nov 24
Delta Logo
5:46 pm - 10:04 pmCHA  Chattanooga Lovell Field-STL Lambert-St Louis
5h 18m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:20 am - 1:06 pmSTL  Lambert-St Louis-CHA Chattanooga Lovell Field
4h 46m1 stop Atlanta Hartsfield-Jackson
$333Delta
Mon, Dec 28 - Mon, Jan 4
Delta Logo
5:46 pm - 10:04 pmCHA  Chattanooga Lovell Field-STL Lambert-St Louis
5h 18m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:20 am - 1:06 pmSTL  Lambert-St Louis-CHA Chattanooga Lovell Field
4h 46m1 stop Atlanta Hartsfield-Jackson
$333Delta
Fri, Dec 25 - Mon, Jan 4
United Airlines Logo
6:50 am - 12:10 pmCHA  Chattanooga Lovell Field-STL Lambert-St Louis
6h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
9:40 am - 5:10 pmSTL  Lambert-St Louis-CHA Chattanooga Lovell Field
6h 30m1 stop Chicago O'Hare Intl
$349United Airlines
Fri, Nov 6 - Tue, Nov 10
United Airlines Logo
1:58 pm - 6:18 pmCHA  Chattanooga Lovell Field-STL Lambert-St Louis
5h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
8:05 am - 1:23 pmSTL  Lambert-St Louis-CHA Chattanooga Lovell Field
4h 18m1 stop Chicago O'Hare Intl
$409United Airlines
Fri, Dec 25 - Thu, Dec 31
United Airlines Logo
6:30 am - 12:13 pmCHA  Chattanooga Lovell Field-STL Lambert-St Louis
6h 43m1 stop Chicago O'Hare Intl
United Airlines Logo
7:29 am - 1:23 pmSTL  Lambert-St Louis-CHA Chattanooga Lovell Field
4h 54m1 stop Chicago O'Hare Intl
$409United Airlines
Sat, Jan 30 - Wed, Feb 3
Multiple Airlines Logo
4:14 pm - 7:54 amCHA  Chattanooga Lovell Field-STL Lambert-St Louis
16h 40m2 stops Orlando Sanford Intl Dallas/Fort Worth
Multiple Airlines Logo
6:05 pm - 2:33 pmSTL  Lambert-St Louis-CHA Chattanooga Lovell Field
19h 28m1 stop Orlando
$488Multiple Airlines
Mon, Nov 23 - Tue, Nov 24

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American Airlines flights from Chattanooga to St. Louis

Our best American Airlines deals on Chattanooga to St. Louis flight tickets
American Airlines
Nov 12
CHA8:03 pmChattanooga Lovell Field
4h 55m
1 stop
STL11:58 pmLambert-St Louis
Nov 18
STL1:58 pmLambert-St Louis
6h 11m
1 stop
CHA9:09 pmChattanooga Lovell Field
$319
American Airlines
Feb 16
CHA4:35 pmChattanooga Lovell Field
6h 34m
1 stop
STL10:09 pmLambert-St Louis
Feb 23
STL2:24 pmLambert-St Louis
6h 27m
1 stop
CHA9:51 pmChattanooga Lovell Field
$329
American Airlines
Nov 12
CHA8:03 pmChattanooga Lovell Field
4h 55m
1 stop
STL11:58 pmLambert-St Louis
Nov 18
STL1:58 pmLambert-St Louis
6h 11m
1 stop
CHA9:09 pmChattanooga Lovell Field
$334

United Airlines flights from Chattanooga to St. Louis

Our best United Airlines deals on Chattanooga to St. Louis flight tickets
United Airlines
Jan 30
CHA6:30 amChattanooga Lovell Field
6h 43m
1 stop
STL12:13 pmLambert-St Louis
Feb 3
STL7:29 amLambert-St Louis
4h 54m
1 stop
CHA1:23 pmChattanooga Lovell Field
$409
United Airlines
Nov 17
CHA5:52 pmChattanooga Lovell Field
4h 48m
1 stop
STL9:40 pmLambert-St Louis
Nov 24
STL9:59 amLambert-St Louis
7h 02m
1 stop
CHA6:01 pmChattanooga Lovell Field
$424
United Airlines
Nov 25
CHA6:37 pmChattanooga Lovell Field
18h 33m
2 stops
STL12:10 pmLambert-St Louis
Dec 13
STL6:30 amLambert-St Louis
5h 44m
1 stop
CHA1:14 pmChattanooga Lovell Field
$597

momondo Fare Finder

 
Use the filters below to find and compare flights from Chattanooga to St. Louis that are best for you.

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Price

Cheapest round-trip

ChattanoogaSt. Louis

CHA Chattanooga Lovell Field - STL Lambert-St Louis

CHASTL

Chattanooga Lovell Field

Thu 11/12

8:03 pm-11:58 pm

1 stop4h 55m

Lambert-St Louis

Wed 11/18

1:58 pm-9:09 pm

1 stop6h 11m

$319

ChattanoogaSt. Louis

CHA Chattanooga Lovell Field - STL Lambert-St Louis

CHASTL

Chattanooga Lovell Field

Fri 1/8

6:00 am-9:36 am

1 stop4h 36m

Lambert-St Louis

Sun 1/10

4:01 pm-11:08 pm

1 stop6h 07m

$319

ChattanoogaSt. Louis

CHA Chattanooga Lovell Field - STL Lambert-St Louis

CHASTL

Chattanooga Lovell Field

Mon 11/30

4:05 pm-9:42 pm

1 stop6h 37m

Lambert-St Louis

Mon 12/7

2:33 pm-6:44 pm

1 stop3h 11m

$319

ChattanoogaSt. Louis

CHA Chattanooga Lovell Field - STL Lambert-St Louis

CHASTL

Chattanooga Lovell Field

Mon 11/23

4:06 pm-9:59 pm

1 stop6h 53m

Lambert-St Louis

Tue 11/24

5:00 am-11:37 am

1 stop5h 37m

$319

ChattanoogaSt. Louis

CHA Chattanooga Lovell Field - STL Lambert-St Louis

CHASTL

Chattanooga Lovell Field

Mon 12/28

5:46 pm-10:04 pm

1 stop5h 18m

Lambert-St Louis

Mon 1/4

7:20 am-1:06 pm

1 stop4h 46m

$333

ChattanoogaSt. Louis

CHA Chattanooga Lovell Field - STL Lambert-St Louis

CHASTL

Chattanooga Lovell Field

Fri 12/25

5:46 pm-10:04 pm

1 stop5h 18m

Lambert-St Louis

Mon 1/4

7:20 am-1:06 pm

1 stop4h 46m

$333

ChattanoogaSt. Louis

CHA Chattanooga Lovell Field - STL Lambert-St Louis

CHASTL

Chattanooga Lovell Field

Fri 11/6

6:50 am-12:10 pm

1 stop6h 20m

Lambert-St Louis

Tue 11/10

9:40 am-5:10 pm

1 stop6h 30m

$349
Quickest round-trip

ChattanoogaSt. Louis

CHA Chattanooga Lovell Field - STL Lambert-St Louis

CHASTL

Chattanooga Lovell Field

Fri 12/25

1:58 pm-6:18 pm

1 stop5h 20m

Lambert-St Louis

Thu 12/31

8:05 am-1:23 pm

1 stop4h 18m

$409

ChattanoogaSt. Louis

CHA Chattanooga Lovell Field - STL Lambert-St Louis

CHASTL

Chattanooga Lovell Field

Sat 1/30

6:30 am-12:13 pm

1 stop6h 43m

Lambert-St Louis

Wed 2/3

7:29 am-1:23 pm

1 stop4h 54m

$409

ChattanoogaSt. Louis

CHA Chattanooga Lovell Field - STL Lambert-St Louis

CHASTL

Chattanooga Lovell Field

Mon 11/23

4:14 pm-7:54 am

2 stops16h 40m

Lambert-St Louis

Tue 11/24

6:05 pm-2:33 pm

1 stop19h 28m

$488

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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?

Prices are currently typical for flights on this route.

Typical prices usually range from $293 to $330.
The lowest price recently found on this route was $319.

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

In general, December 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 $258. The month of January is another great option to travel to St. Louis, with average flight prices from Chattanooga averaging around $278.

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

As of October 2026, prices for Chattanooga to St. Louis flights are approximately 110% 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

$274

Fastest flight time

3h 42m

Direct flights

None
The best one-way flight to St. Louis from Chattanooga in the past 72 hours is $274. The best round-trip flight deal from Chattanooga to St. Louis found on momondo in the last 72 hours is $319.
The fastest flight from Chattanooga to St. Louis takes 3h 42m
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 42m 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
DeltaPriceFrom $228Free CancellationRating
7.8
8,668 reviews
Search Delta flights
American AirlinesPriceFrom $249Free CancellationRating
7.0
12,190 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.3
10,419 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
Fairview Heights
Chesterfield
Maryland Heights
St. Peters
Alton
Collinsville
Florissant
Farmington
Hermann
Clayton
Festus
Fenton
Edwardsville
O'Fallon
Eureka
Wentzville
Litchfield
Grafton
Waterloo

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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