$125+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — STL
May 22 — May 291
Round-trip
1 adult, Economy
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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
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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 April 22, 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 April 22, 2026.
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 8/285:40 pm
CHA
- STL
1 stop6h 20m
United Airlines
Sat 8/299:16 am
STL
- CHA
1 stop7h 04m
United Airlines
Deal found 4/17![United Airlines logo]()
$290
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.
Sat 8/86:28 pm
CHA
- STL
1 stop4h 09m
Delta
Sun 8/91:22 pm
STL
- CHA
1 stop6h 24m
Delta
Deal found 4/19![Delta logo]()
$312
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.
Thu 7/96:00 am
CHA
- STL
1 stop7h 11m
United Airlines
Sun 7/126:00 am
STL
- CHA
1 stop6h 21m
United Airlines
Deal found 4/21![United Airlines logo]()
$331
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.
Fri 8/215:40 pm
CHA
- STL
1 stop6h 20m
United Airlines
Sun 8/235:00 am
STL
- CHA
1 stop4h 09m
United Airlines
Deal found 4/21![United Airlines logo]()
$352
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 6/257:20 pm
CHA
- STL
1 stop5h 36m
Delta
Sun 6/288:00 am
STL
- CHA
1 stop6h 20m
Delta
Deal found 4/20![Delta logo]()
$353
This American Airlines deal was found by Cheapflights users on 4/17. 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 8/282:03 pm
CHA
- STL
2 stops7h 16m
American Airlines
Sat 8/299:21 am
STL
- CHA
1 stop7h 14m
American Airlines
Deal found 4/17![American Airlines logo]()
$357
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.
Wed 5/65:45 am
CHA
- STL
1 stop5h 49m
Delta
Wed 5/135:15 pm
STL
- CHA
1 stop3h 53m
Delta
Deal found 4/18![Delta logo]()
$361
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 4/256:30 am
CHA
- STL
1 stop5h 15m
United Airlines
Mon 4/279:10 am
STL
- CHA
1 stop6h 56m
United Airlines
Deal found 4/19![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 4/17. 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 5/25:45 am
CHA
- STL
1 stop5h 49m
Delta
Sun 5/106:00 am
STL
- CHA
1 stop5h 28m
Delta
Deal found 4/17![Delta logo]()
$374
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.
Tue 7/148:20 pm
CHA
- STL
1 stop4h 33m
Delta
Fri 7/173:40 pm
STL
- CHA
1 stop5h 28m
Delta
Deal found 4/22![Delta logo]()
$381
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.
Thu 5/146:52 pm
CHA
- STL
1 stop4h 27m
American Airlines
Sun 5/175:20 am
STL
- CHA
1 stop5h 20m
American Airlines
Deal found 4/20![American Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 4/17. 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 4/238:30 am
CHA
- STL
1 stop6h 54m
United Airlines
Sun 4/269:10 am
STL
- CHA
1 stop6h 56m
United Airlines
Deal found 4/17![United Airlines logo]()
$389
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 April 22, 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 April 22, 2026.
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.
Thu 8/138:15 am
CHA
- STL
1 stop5h 38m
Delta
Sat 8/156:00 am
STL
- CHA
1 stop5h 19m
Delta
Deal found 4/18![Delta logo]()
$312
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.
Thu 7/96:00 am
CHA
- STL
1 stop7h 11m
United Airlines
Sun 7/126:00 am
STL
- CHA
1 stop6h 21m
United Airlines
Deal found 4/21![United Airlines logo]()
$331
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.
Fri 8/215:40 pm
CHA
- STL
1 stop6h 20m
United Airlines
Sun 8/235:00 am
STL
- CHA
1 stop4h 09m
United Airlines
Deal found 4/21![United Airlines logo]()
$352
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.
Fri 6/267:20 pm
CHA
- STL
1 stop3h 54m
Delta
Sun 6/288:00 am
STL
- CHA
1 stop5h 05m
Delta
Deal found 4/18![Delta logo]()
$353
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 6/47:56 pm
CHA
- STL
1 stop5h 03m
Delta
Sun 6/79:21 am
STL
- CHA
1 stop4h 59m
Delta
Deal found 4/20![Delta logo]()
$353
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 6/257:20 pm
CHA
- STL
1 stop5h 36m
Delta
Sun 6/288:00 am
STL
- CHA
1 stop6h 20m
Delta
Deal found 4/20![Delta logo]()
$353
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.
Thu 6/117:20 pm
CHA
- STL
1 stop5h 36m
Delta
Mon 6/155:24 pm
STL
- CHA
1 stop5h 33m
Delta
Deal found 4/21![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 4/17. 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 7/235:35 am
CHA
- STL
1 stop3h 44m
Delta
Sun 7/263:40 pm
STL
- CHA
1 stop4h 06m
Delta
Deal found 4/17![Delta logo]()
$370
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 5/227:56 pm
CHA
- STL
1 stop5h 03m
Delta
Sun 5/247:05 am
STL
- CHA
1 stop4h 59m
Delta
Deal found 4/21![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 4/17. 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 5/25:45 am
CHA
- STL
1 stop5h 49m
Delta
Sun 5/106:00 am
STL
- CHA
1 stop5h 28m
Delta
Deal found 4/17![Delta logo]()
$374
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.
Tue 7/148:20 pm
CHA
- STL
1 stop4h 33m
Delta
Fri 7/173:40 pm
STL
- CHA
1 stop5h 28m
Delta
Deal found 4/22![Delta logo]()
$381
Last-minute flights from Chattanooga to St. LouisDiscover last-minute flight deals from Chattanooga to St. Louis. Data last updated April 22, 2026 and is based on user searches.
Discover last-minute flight deals from Chattanooga to St. Louis. Data last updated April 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/17. 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 4/238:30 am
CHA
- STL
1 stop6h 54m
United Airlines
Sun 4/269:10 am
STL
- CHA
1 stop6h 56m
United Airlines
Deal found 4/17![United Airlines logo]()
$389
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 4/256:30 am
CHA
- STL
1 stop5h 15m
United Airlines
Mon 4/279:10 am
STL
- CHA
1 stop6h 56m
United Airlines
Deal found 4/19![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 4/17. 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 5/25:45 am
CHA
- STL
1 stop5h 49m
Delta
Sun 5/106:00 am
STL
- CHA
1 stop5h 28m
Delta
Deal found 4/17![Delta logo]()
$374
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.
Sun 5/37:51 pm
CHA
- STL
1 stop4h 45m
Delta
Wed 5/66:00 am
STL
- CHA
1 stop4h 07m
Delta
Deal found 4/19![Delta logo]()
$433
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.
Wed 5/65:45 am
CHA
- STL
1 stop5h 49m
Delta
Wed 5/135:15 pm
STL
- CHA
1 stop3h 53m
Delta
Deal found 4/18![Delta logo]()
$361
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.
Wed 5/65:45 am
CHA
- STL
1 stop5h 49m
Delta
Sun 5/101:27 pm
STL
- CHA
1 stop6h 01m
Delta
Deal found 4/21![Delta logo]()
$397
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:00 am
CHA
- STL
1 stop4h 30m
American Airlines
Thu 5/145:20 am
STL
- CHA
1 stop5h 20m
American Airlines
Deal found 4/19![American Airlines logo]()
$391
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:52 pm
CHA
- STL
1 stop6h 04m
American Airlines
Fri 5/156:54 pm
STL
- CHA
1 stop4h 05m
American Airlines
Deal found 4/19![American Airlines logo]()
$422
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.
Thu 5/146:52 pm
CHA
- STL
1 stop4h 27m
American Airlines
Sun 5/175:20 am
STL
- CHA
1 stop5h 20m
American Airlines
Deal found 4/20![American Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 4/17. 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 5/275:40 am
CHA
- STL
1 stop5h 04m
Delta
Wed 5/275:15 pm
STL
- CHA
1 stop3h 53m
Delta
Deal found 4/17![Delta logo]()
$415
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.
Thu 5/284:18 pm
CHA
- STL
1 stop6h 24m
American Airlines
Sun 5/315:25 am
STL
- CHA
1 stop5h 26m
American Airlines
Deal found 4/22![American Airlines logo]()
$331
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 April 22, 2026.
Search for one-way flight options from Chattanooga to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 22, 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 5/2610:25 am
CHA
- STL
2 stops23h 30m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$125
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 5/74:11 pm
CHA
- STL
2 stops17h 44m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$134
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:11 pm
CHA
- STL
3 stops57h 10m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$159
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/266:58 am
CHA
- STL
1 stop6h 13m
United Airlines
Deal found 4/17![United Airlines logo]()
$186
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.
Thu 5/145:40 am
CHA
- STL
1 stop3h 30m
Delta
Deal found 4/22![Delta 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 5/76:25 pm
CHA
- STL
1 stop6h 34m
Delta
Deal found 4/20![Delta logo]()
$217
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.
Thu 4/3010:17 pm
CHA
- STL
2 stops20h 59m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$226
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 April 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $290 (United Airlines) |
One-way from | $125 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $302 |
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 April 22, 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 8/13
8:15 am-12:53 pm
1 stop5h 38m
Lambert-St Louis
Sat 8/15
6:00 am-12:19 pm
1 stop5h 19m
$312
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Thu 7/9
6:00 am-12:11 pm
1 stop7h 11m
Lambert-St Louis
Sun 7/12
6:00 am-1:21 pm
1 stop6h 21m
$331
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Fri 8/21
5:40 pm-11:00 pm
1 stop6h 20m
Lambert-St Louis
Sun 8/23
5:00 am-10:09 am
1 stop4h 09m
$352
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Fri 6/26
7:20 pm-10:14 pm
1 stop3h 54m
Lambert-St Louis
Sun 6/28
8:00 am-2:05 pm
1 stop5h 05m
$353
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Thu 6/4
7:56 pm-11:59 pm
1 stop5h 03m
Lambert-St Louis
Sun 6/7
9:21 am-3:20 pm
1 stop4h 59m
$353
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Thu 6/25
7:20 pm-11:56 pm
1 stop5h 36m
Lambert-St Louis
Sun 6/28
8:00 am-3:20 pm
1 stop6h 20m
$353
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Thu 6/11
7:20 pm-11:56 pm
1 stop5h 36m
Lambert-St Louis
Mon 6/15
5:24 pm-11:57 pm
1 stop5h 33m
$353
Quickest round-trip
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Thu 7/23
5:35 am-8:19 am
1 stop3h 44m
Lambert-St Louis
Sun 7/26
3:40 pm-8:46 pm
1 stop4h 06m
$370
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Fri 5/22
7:56 pm-11:59 pm
1 stop5h 03m
Lambert-St Louis
Sun 5/24
7:05 am-1:04 pm
1 stop4h 59m
$370
ChattanoogaSt. Louis
CHA - STL
CHASTL
Chattanooga Lovell Field
Sat 5/2
5:45 am-10:34 am
1 stop5h 49m
Lambert-St Louis
Sun 5/10
6:00 am-12:28 pm
1 stop5h 28m
$374
Showing 1-10 of 22 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 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 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
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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 $367). 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?
What’s the top layover airport for flights from Chattanooga to St. Louis?
Share of 1-stop round-trip flights from Chattanooga to St. Louis chosen by Cheapflights users in the past 12 months, using the same layover each way.
Charlotte (CLT) – chosen by Cheapflights users on 67% of 1-stop itineraries from Chattanooga to St. Louis on Cheapflights.
What’s the cheapest layover airport for flights from Chattanooga to St. Louis?
Average round-trip fare for 1-stop flights from Chattanooga to St. Louis, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Charlotte (CLT) is the most affordable 1-stop option, with an average round-trip price of $273.
What’s the fastest layover option from Chattanooga to St. Louis?
Shortest average travel time for 1-stop one-way flights from Chattanooga to St. Louis, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 4h 20m.
Which airport typically offers the quickest layover for flights from Chattanooga to St. Louis?
Average layover duration for 1-stop one-way flights from Chattanooga to St. Louis, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 19m.
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 April 22, 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.
Overall
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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 locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Chattanooga and St. Louis flights
Browse other Chattanooga and St. Louis flight options. Last updated on April 22, 2026.
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Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 22, 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 April 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$308 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$283 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$348 | FlexibilityNo cancel fee | On-time69% |