$199+ Cheap flights from Chattanooga to St. Louis (CHA - STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — STL
Jul 4 — Jul 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Chattanooga to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Chattanooga to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chattanooga to St. LouisExplore the most affordable flight options available from Chattanooga to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 4, 2026.
Explore the most affordable flight options available from Chattanooga to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 4, 2026.
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/43:41 pm
CHA
- STL
1 stop3h 26m
Delta
Wed 7/89:24 am
STL
- CHA
1 stop3h 38m
Delta
Deal found 6/2![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:22 pm
CHA
- STL
1 stop3h 56m
Delta
Wed 7/87:08 am
STL
- CHA
1 stop5h 54m
Delta
Deal found 5/31![Delta logo]()
$286
This American Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:36 pm
CHA
- STL
1 stop6h 08m
American Airlines
Sun 6/285:29 am
STL
- CHA
1 stop5h 22m
American Airlines
Deal found 6/3![American Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:35 am
CHA
- STL
1 stop3h 41m
Delta
Thu 6/256:00 am
STL
- CHA
1 stop5h 23m
Delta
Deal found 6/3![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:35 am
CHA
- STL
1 stop5h 11m
Delta
Mon 6/221:39 pm
STL
- CHA
1 stop4h 53m
Delta
Deal found 6/3![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:22 pm
CHA
- STL
1 stop3h 56m
Delta
Thu 6/256:00 am
STL
- CHA
1 stop5h 23m
Delta
Deal found 6/2![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:44 am
CHA
- STL
1 stop5h 54m
United Airlines
Sat 8/227:25 am
STL
- CHA
1 stop4h 50m
United Airlines
Deal found 6/3![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:35 am
CHA
- STL
1 stop3h 41m
Delta
Tue 6/239:21 am
STL
- CHA
1 stop4h 59m
Delta
Deal found 6/3![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:55 pm
CHA
- STL
1 stop4h 45m
Delta
Sun 6/219:21 am
STL
- CHA
1 stop4h 59m
Delta
Deal found 6/2![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:00 am
CHA
- STL
1 stop7h 11m
United Airlines
Sat 6/138:00 am
STL
- CHA
1 stop4h 16m
United Airlines
Deal found 6/2![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:35 am
CHA
- STL
1 stop5h 11m
Delta
Sat 6/131:20 pm
STL
- CHA
1 stop6h 22m
Delta
Deal found 6/2![Delta logo]()
$361
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:21 pm
CHA
- STL
2 stops7h 37m
American Airlines
Sat 8/221:52 pm
STL
- CHA
1 stop4h 01m
American Airlines
Deal found 6/1![American Airlines logo]()
$362
Best flights from Chattanooga to St. LouisDiscover carefully curated flight deals from Chattanooga to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 4, 2026.
Discover carefully curated flight deals from Chattanooga to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 4, 2026.
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:19 pm
CHA
- STL
1 stop5h 34m
Delta
Tue 7/219:24 am
STL
- CHA
1 stop4h 53m
Delta
Deal found 6/2![Delta logo]()
$286
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/264:18 pm
CHA
- STL
1 stop6h 19m
American Airlines
Sun 6/285:29 am
STL
- CHA
1 stop5h 22m
American Airlines
Deal found 5/30![American Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:44 am
CHA
- STL
1 stop5h 54m
United Airlines
Sat 8/227:25 am
STL
- CHA
1 stop4h 50m
United Airlines
Deal found 6/2![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:22 pm
CHA
- STL
1 stop5h 34m
Delta
Tue 7/76:00 am
STL
- CHA
1 stop5h 22m
Delta
Deal found 5/31![Delta logo]()
$286
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:15 pm
CHA
- STL
1 stop6h 21m
Delta
Mon 10/56:00 am
STL
- CHA
1 stop4h 23m
Delta
Deal found 6/3![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:44 am
CHA
- STL
1 stop5h 54m
United Airlines
Sat 9/265:36 pm
STL
- CHA
1 stop5h 34m
United Airlines
Deal found 5/30![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:00 am
CHA
- STL
1 stop5h 33m
Delta
Sun 8/97:00 am
STL
- CHA
1 stop4h 26m
Delta
Deal found 5/31![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:20 am
CHA
- STL
1 stop5h 14m
Delta
Sun 6/219:21 am
STL
- CHA
1 stop4h 59m
Delta
Deal found 6/2![Delta logo]()
$333
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:00 am
CHA
- STL
1 stop7h 11m
United Airlines
Sat 6/2010:25 am
STL
- CHA
1 stop5h 58m
United Airlines
Deal found 6/2![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:30 pm
CHA
- STL
1 stop4h 26m
Delta
Sun 6/219:21 am
STL
- CHA
1 stop4h 59m
Delta
Deal found 6/2![Delta logo]()
$354
Last-minute flights from Chattanooga to St. LouisDiscover last-minute flight deals from Chattanooga to St. Louis. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Chattanooga to St. Louis. Data last updated June 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:35 am
CHA
- STL
1 stop3h 41m
Delta
Sat 6/131:20 pm
STL
- CHA
1 stop6h 22m
Delta
Deal found 6/2![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:35 am
CHA
- STL
1 stop5h 11m
Delta
Sat 6/131:20 pm
STL
- CHA
1 stop6h 22m
Delta
Deal found 6/2![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:22 pm
CHA
- STL
1 stop3h 56m
Delta
Thu 6/256:00 am
STL
- CHA
1 stop5h 23m
Delta
Deal found 6/2![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:00 am
CHA
- STL
1 stop7h 11m
United Airlines
Sat 6/138:00 am
STL
- CHA
1 stop4h 16m
United Airlines
Deal found 6/2![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:55 pm
CHA
- STL
1 stop4h 45m
Delta
Sun 6/219:21 am
STL
- CHA
1 stop4h 59m
Delta
Deal found 6/2![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:55 pm
CHA
- STL
1 stop4h 45m
Delta
Mon 6/153:57 pm
STL
- CHA
1 stop3h 45m
Delta
Deal found 6/2![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:35 am
CHA
- STL
1 stop3h 41m
Delta
Tue 6/239:21 am
STL
- CHA
1 stop4h 59m
Delta
Deal found 6/3![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:35 am
CHA
- STL
1 stop5h 11m
Delta
Wed 6/247:08 am
STL
- CHA
1 stop5h 57m
Delta
Deal found 6/3![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:35 am
CHA
- STL
1 stop5h 11m
Delta
Mon 6/221:39 pm
STL
- CHA
1 stop4h 53m
Delta
Deal found 6/3![Delta logo]()
$333
This American Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:36 pm
CHA
- STL
1 stop6h 08m
American Airlines
Sun 6/285:29 am
STL
- CHA
1 stop5h 22m
American Airlines
Deal found 6/3![American Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:22 pm
CHA
- STL
1 stop3h 56m
Delta
Wed 7/87:08 am
STL
- CHA
1 stop5h 54m
Delta
Deal found 5/31![Delta logo]()
$286
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/43:41 pm
CHA
- STL
1 stop3h 26m
Delta
Wed 7/89:24 am
STL
- CHA
1 stop3h 38m
Delta
Deal found 6/2![Delta logo]()
$271
One-way flights from Chattanooga to St. LouisSearch for one-way flight options from Chattanooga to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
Search for one-way flight options from Chattanooga to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:10 pm
CHA
- STL
1 stop4h 48m
American Airlines
Deal found 5/30![American Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:35 am
CHA
- STL
1 stop3h 41m
Delta
Deal found 5/30![Delta logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/118:59 am
CHA
- STL
3 stops34h 37m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$256
This American Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:21 pm
CHA
- STL
2 stops7h 37m
American Airlines
Deal found 6/2![American Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:01 am
CHA
- STL
1 stop3h 33m
Delta
Deal found 5/30![Delta logo]()
$358
This American Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:14 am
CHA
- STL
2 stops8h 40m
American Airlines
Deal found 6/2![American Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:13 pm
CHA
- STL
3 stops53h 10m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$398
This deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/287:07 pm
CHA
- STL
1 stop5h 22m
United Airlines
Deal found 6/1![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:28 pm
CHA
- STL
1 stop6h 48m
American Airlines
Deal found 6/2![American Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:00 am
CHA
- STL
2 stops17h 57m
United Airlines
Deal found 5/30![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:00 am
CHA
- STL
2 stops15h 30m
United Airlines
Deal found 5/30![United Airlines logo]()
$568
Find flight deals from Chattanooga to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Chattanooga (CHA) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Delta) |
One-way from | $199 (American Airlines) |
Popular in | May |
Cheapest in | January |
Average price | $373 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 4, 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
Cheapest round-trip
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Thu 7/16
7:19 pm-11:53 pm
1 stop5h 34m
Lambert-St Louis
Tue 7/21
9:24 am-3:17 pm
1 stop4h 53m
$286
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Fri 7/3
7:22 pm-11:56 pm
1 stop5h 34m
Lambert-St Louis
Tue 7/7
6:00 am-12:22 pm
1 stop5h 22m
$286
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Fri 6/26
4:18 pm-9:37 pm
1 stop6h 19m
Lambert-St Louis
Sun 6/28
5:29 am-11:51 am
1 stop5h 22m
$301
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Thu 10/1
6:15 pm-11:36 pm
1 stop6h 21m
Lambert-St Louis
Mon 10/5
6:00 am-11:23 am
1 stop4h 23m
$301
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Thu 8/6
10:00 am-2:33 pm
1 stop5h 33m
Lambert-St Louis
Sun 8/9
7:00 am-12:26 pm
1 stop4h 26m
$301
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Wed 6/17
8:20 am-12:34 pm
1 stop5h 14m
Lambert-St Louis
Sun 6/21
9:21 am-3:20 pm
1 stop4h 59m
$333
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Tue 8/18
10:44 am-3:38 pm
1 stop5h 54m
Lambert-St Louis
Sat 8/22
7:25 am-1:15 pm
1 stop4h 50m
$341
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Wed 9/23
10:44 am-3:38 pm
1 stop5h 54m
Lambert-St Louis
Sat 9/26
5:36 pm-12:10 am
1 stop5h 34m
$341
Quickest round-trip
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Mon 6/15
8:30 pm-11:56 pm
1 stop4h 26m
Lambert-St Louis
Sun 6/21
9:21 am-3:20 pm
1 stop4h 59m
$354
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Sun 6/14
6:00 am-12:11 pm
1 stop7h 11m
Lambert-St Louis
Sat 6/20
10:25 am-5:23 pm
1 stop5h 58m
$409
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Chattanooga to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chattanooga to St. Louis in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chattanooga-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chattanooga-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chattanooga-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chattanooga-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chattanooga-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chattanooga to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Chattanooga with our price prediction graph.
CHA-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chattanooga to St. Louis
What is the cheapest month to book a flight from Chattanooga to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Chattanooga to St. Louis (average of $249). Flying from Chattanooga to St. Louis in May is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Chattanooga to St. Louis?
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated June 4, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Chattanooga to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Chattanooga to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsO'Fallon
Edwardsville
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Chattanooga
Popular flights
St. Louis flight routes
Alternative routes for Chattanooga to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chattanooga to St. Louis by cabin class
Find flights from Chattanooga to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chattanooga and St. Louis flights
Browse other Chattanooga and St. Louis flight options. Last updated on June 4, 2026.
Other flights from Chattanooga
Browse through other flights departing from Chattanooga. Flights are based on user searches made on Cheapflights and were last updated on June 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 4, 2026.
Top 3 airlines flying from Chattanooga to St. Louis
Discover the top 3 airlines that operate flights from Chattanooga to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$302 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$308 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$318 | FlexibilityNo cancel fee | On-time69% |