$178+ Cheap flights from St. Louis to Chattanooga (STL - CHA)
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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHA
May 23 — May 301
One-way
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Chattanooga 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 St. Louis to Chattanooga
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to ChattanoogaExplore the most affordable flight options available from St. Louis to Chattanooga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.
Explore the most affordable flight options available from St. Louis to Chattanooga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.
This Delta deal was found by Cheapflights users on 4/23. 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 5/234:00 pm
STL
- CHA
1 stop3h 23m
Delta
Tue 5/266:25 pm
CHA
- STL
1 stop6h 34m
Delta
Deal found 4/23![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 4/19. 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 7/16:00 am
STL
- CHA
1 stop5h 23m
Delta
Sun 7/198:20 pm
CHA
- STL
1 stop4h 33m
Delta
Deal found 4/19![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 4/20. 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 5/196:57 pm
STL
- CHA
1 stop3h 56m
Delta
Tue 5/267:56 pm
CHA
- STL
1 stop5h 03m
Delta
Deal found 4/20![Delta logo]()
$316
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/510:25 am
STL
- CHA
1 stop5h 34m
United Airlines
Sat 5/95:41 pm
CHA
- STL
1 stop4h 32m
United Airlines
Deal found 4/20![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 4/21. 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 11/246:59 pm
STL
- CHA
1 stop3h 52m
Delta
Sun 11/295:30 am
CHA
- STL
1 stop3h 42m
Delta
Deal found 4/21![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 4/21. 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 7/16:12 pm
STL
- CHA
1 stop5h 07m
American Airlines
Fri 7/105:00 am
CHA
- STL
1 stop4h 32m
American Airlines
Deal found 4/21![American Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 4/21. 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 8/211:30 pm
STL
- CHA
1 stop6h 04m
Delta
Sun 8/238:15 am
CHA
- STL
1 stop3h 26m
Delta
Deal found 4/21![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 4/18. 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 5/94:00 pm
STL
- CHA
1 stop3h 23m
Delta
Sat 5/166:25 pm
CHA
- STL
1 stop6h 34m
Delta
Deal found 4/18![Delta logo]()
$361
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/99:10 am
STL
- CHA
1 stop5h 00m
American Airlines
Tue 5/1210:18 am
CHA
- STL
2 stops7h 23m
American Airlines
Deal found 4/22![American Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 12/54:17 pm
STL
- CHA
1 stop5h 46m
United Airlines
Wed 12/95:20 pm
CHA
- STL
1 stop5h 46m
United Airlines
Deal found 4/22![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Sat 4/257:45 am
STL
- CHA
1 stop4h 37m
United Airlines
Mon 4/275:46 pm
CHA
- STL
1 stop5h 06m
United Airlines
Deal found 4/21![United Airlines logo]()
$380
Best flights from St. Louis to ChattanoogaDiscover carefully curated flight deals from St. Louis to Chattanooga that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
Discover carefully curated flight deals from St. Louis to Chattanooga that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
This Delta deal was found by Cheapflights users on 4/23. 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 5/234:00 pm
STL
- CHA
1 stop3h 23m
Delta
Tue 5/266:25 pm
CHA
- STL
1 stop6h 34m
Delta
Deal found 4/23![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 5/97:45 am
STL
- CHA
1 stop4h 40m
United Airlines
Tue 5/125:41 pm
CHA
- STL
1 stop4h 32m
United Airlines
Deal found 4/22![United Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Wed 7/15:06 pm
STL
- CHA
2 stops14h 03m
Multiple Airlines
Fri 7/109:43 pm
CHA
- STL
1 stop27h 31m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 4/22. 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 7/1710:51 am
STL
- CHA
1 stop3h 26m
Delta
Tue 7/218:20 pm
CHA
- STL
1 stop4h 33m
Delta
Deal found 4/22![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 4/19. 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 7/16:00 am
STL
- CHA
1 stop5h 23m
Delta
Sun 7/198:20 pm
CHA
- STL
1 stop4h 33m
Delta
Deal found 4/19![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 4/20. 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 5/196:57 pm
STL
- CHA
1 stop3h 56m
Delta
Tue 5/267:56 pm
CHA
- STL
1 stop5h 03m
Delta
Deal found 4/20![Delta logo]()
$316
This United Airlines deal was found by Cheapflights users on 4/19. 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.
Sat 5/166:30 am
STL
- CHA
1 stop5h 55m
United Airlines
Tue 5/195:25 pm
CHA
- STL
1 stop6h 05m
United Airlines
Deal found 4/19![United Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/68:21 am
STL
- CHA
1 stop4h 04m
United Airlines
Sun 5/106:30 am
CHA
- STL
1 stop7h 17m
United Airlines
Deal found 4/21![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/18. 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 5/94:00 pm
STL
- CHA
1 stop3h 23m
Delta
Sat 5/166:25 pm
CHA
- STL
1 stop6h 34m
Delta
Deal found 4/18![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 4/19. 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 5/59:59 am
STL
- CHA
1 stop3h 33m
Delta
Wed 5/136:25 pm
CHA
- STL
1 stop6h 34m
Delta
Deal found 4/19![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 4/19. 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 5/51:02 pm
STL
- CHA
1 stop3h 42m
Delta
Wed 5/66:25 pm
CHA
- STL
1 stop6h 10m
Delta
Deal found 4/19![Delta logo]()
$433
Last-minute flights from St. Louis to ChattanoogaDiscover last-minute flight deals from St. Louis to Chattanooga. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Chattanooga. Data last updated April 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/20. 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 4/239:59 am
STL
- CHA
1 stop3h 33m
Delta
Tue 4/283:13 pm
CHA
- STL
1 stop3h 31m
Delta
Deal found 4/20![Delta logo]()
$405
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Sat 4/257:45 am
STL
- CHA
1 stop4h 37m
United Airlines
Mon 4/275:46 pm
CHA
- STL
1 stop5h 06m
United Airlines
Deal found 4/21![United Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/510:25 am
STL
- CHA
1 stop5h 34m
United Airlines
Sat 5/95:41 pm
CHA
- STL
1 stop4h 32m
United Airlines
Deal found 4/20![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 4/20. 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 5/97:00 am
STL
- CHA
1 stop4h 55m
American Airlines
Sat 5/1612:11 pm
CHA
- STL
1 stop6h 10m
American Airlines
Deal found 4/20![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/99:10 am
STL
- CHA
1 stop5h 00m
American Airlines
Tue 5/1210:18 am
CHA
- STL
2 stops7h 23m
American Airlines
Deal found 4/22![American Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 4/19. 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.
Sat 5/166:30 am
STL
- CHA
1 stop5h 55m
United Airlines
Tue 5/195:25 pm
CHA
- STL
1 stop6h 05m
United Airlines
Deal found 4/19![United Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 4/22. 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 5/187:01 pm
STL
- CHA
1 stop3h 52m
Delta
Wed 5/206:25 pm
CHA
- STL
1 stop6h 34m
Delta
Deal found 4/22![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 4/20. 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 5/196:57 pm
STL
- CHA
1 stop3h 56m
Delta
Tue 5/267:56 pm
CHA
- STL
1 stop5h 03m
Delta
Deal found 4/20![Delta logo]()
$316
This American Airlines deal was found by Cheapflights users on 4/20. 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 5/198:55 am
STL
- CHA
2 stops7h 08m
American Airlines
Tue 5/266:39 pm
CHA
- STL
1 stop6h 15m
American Airlines
Deal found 4/20![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 4/23. 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 5/234:00 pm
STL
- CHA
1 stop3h 23m
Delta
Tue 5/266:25 pm
CHA
- STL
1 stop6h 34m
Delta
Deal found 4/23![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 4/23. 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 5/234:00 pm
STL
- CHA
1 stop3h 23m
Delta
Mon 5/255:40 am
CHA
- STL
1 stop3h 38m
Delta
Deal found 4/23![Delta logo]()
$346
This Delta deal was found by Cheapflights users on 4/23. 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 5/257:01 pm
STL
- CHA
1 stop3h 52m
Delta
Sun 5/315:40 am
CHA
- STL
1 stop3h 38m
Delta
Deal found 4/23![Delta logo]()
$370
One-way flights from St. Louis to ChattanoogaSearch for one-way flight options from St. Louis to Chattanooga. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
Search for one-way flight options from St. Louis to Chattanooga. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Tue 6/306:31 pm
STL
- CHA
2 stops36h 38m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$178
This Delta deal was found by Cheapflights users on 4/18. 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 6/308:00 am
STL
- CHA
1 stop6h 20m
Delta
Deal found 4/18![Delta logo]()
$186
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/125:20 am
STL
- CHA
1 stop5h 20m
American Airlines
Deal found 4/21![American Airlines logo]()
$196
This Delta deal was found by Cheapflights users on 4/20. 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 5/77:05 am
STL
- CHA
1 stop6h 01m
Delta
Deal found 4/20![Delta logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 4/309:50 am
STL
- CHA
3 stops27h 49m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 4/20. 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 4/306:00 am
STL
- CHA
1 stop4h 07m
Delta
Deal found 4/20![Delta logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Tue 5/126:33 pm
STL
- CHA
3 stops43h 48m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Sun 5/244:19 pm
STL
- CHA
3 stops40h 16m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/244:48 pm
STL
- CHA
2 stops29h 18m
United Airlines
Deal found 4/19![United Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/54:06 pm
STL
- CHA
2 stops22h 37m
United Airlines
Deal found 4/21![United Airlines logo]()
$481
Find flight deals from St. Louis to Chattanooga
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Chattanooga (CHA). 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 April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (Delta) |
One-way from | $178 (Kiwi.com) |
Popular in | September |
Cheapest in | November |
Average price | $293 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 23, 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
Cheapest round-trip
St. LouisChattanooga
STL - CHA
STLCHA
Lambert-St Louis
Sat 5/23
4:00 pm-8:23 pm
1 stop3h 23m
Chattanooga Lovell Field
Tue 5/26
6:25 pm-11:59 pm
1 stop6h 34m
$305
Quickest round-trip
St. LouisChattanooga
STL - CHA
STLCHA
Lambert-St Louis
Fri 7/17
10:51 am-3:17 pm
1 stop3h 26m
Chattanooga Lovell Field
Tue 7/21
8:20 pm-11:53 pm
1 stop4h 33m
$312
St. LouisChattanooga
STL - CHA
STLCHA
Lambert-St Louis
Wed 7/1
6:00 am-12:23 pm
1 stop5h 23m
Chattanooga Lovell Field
Sun 7/19
8:20 pm-11:53 pm
1 stop4h 33m
$312
St. LouisChattanooga
STL - CHA
STLCHA
Lambert-St Louis
Tue 5/19
6:57 pm-11:53 pm
1 stop3h 56m
Chattanooga Lovell Field
Tue 5/26
7:56 pm-11:59 pm
1 stop5h 03m
$316
St. LouisChattanooga
STL - CHA
STLCHA
Lambert-St Louis
Sat 5/9
7:45 am-1:25 pm
1 stop4h 40m
Chattanooga Lovell Field
Tue 5/12
5:41 pm-9:13 pm
1 stop4h 32m
$319
St. LouisChattanooga
STL - CHA
STLCHA
Lambert-St Louis
Sat 5/9
4:00 pm-8:23 pm
1 stop3h 23m
Chattanooga Lovell Field
Sat 5/16
6:25 pm-11:59 pm
1 stop6h 34m
$361
St. LouisChattanooga
STL - CHA
STLCHA
Lambert-St Louis
Tue 5/5
9:59 am-2:32 pm
1 stop3h 33m
Chattanooga Lovell Field
Wed 5/13
6:25 pm-11:59 pm
1 stop6h 34m
$361
St. LouisChattanooga
STL - CHA
STLCHA
Lambert-St Louis
Sat 5/16
6:30 am-1:25 pm
1 stop5h 55m
Chattanooga Lovell Field
Tue 5/19
5:25 pm-10:30 pm
1 stop6h 05m
$386
St. LouisChattanooga
STL - CHA
STLCHA
Lambert-St Louis
Wed 7/1
5:06 pm-8:09 am
2 stops14h 03m
Chattanooga Lovell Field
Fri 7/10
9:43 pm-12:14 am
1 stop27h 31m
$415
St. LouisChattanooga
STL - CHA
STLCHA
Lambert-St Louis
Wed 5/6
8:21 am-1:25 pm
1 stop4h 04m
Chattanooga Lovell Field
Sun 5/10
6:30 am-12:47 pm
1 stop7h 17m
$419
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Chattanooga
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 St. Louis to Chattanooga in April.
| 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 St. Louis-Chattanooga flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Chattanooga flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Chattanooga flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Chattanooga 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 St. Louis-Chattanooga 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 St. Louis to Chattanooga
Have a flexible travel schedule? Discover the best time to fly to Chattanooga from St. Louis with our price prediction graph.
STL-CHA
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 St. Louis to Chattanooga
What is the cheapest month to book a flight from St. Louis to Chattanooga?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Chattanooga (average of $268). Flying from St. Louis to Chattanooga in September is currently the most expensive (average of $426). 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 St. Louis to Chattanooga?
Reviews of airlines servicing Chattanooga
Get insights into the airlines that provide service to Chattanooga. 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 Chattanooga. Reviews last updated April 23, 2026.
See what other customers who have flown with Delta and American Airlines from St. Louis to Chattanooga have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Chattanooga. 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 Chattanooga?
Book flights to Chattanooga if you plan to visit one of these locationsTrenton
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
Chattanooga flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
Alternative routes for St. Louis to Chattanooga
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Chattanooga
Explore flights to Chattanooga departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 23, 2026.
Complete your trip
Complete your trip to Chattanooga by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Chattanooga by cabin class
Find flights from St. Louis to Chattanooga, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Chattanooga flights
Browse other St. Louis and Chattanooga flight options. Last updated on April 23, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on April 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from St. Louis to Chattanooga
Discover the top 2 airlines that operate flights from St. Louis to Chattanooga. 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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$177 | Average$330 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$323 | FlexibilityNo cancel fee | On-time71% |