$230+ Cheap flights from Baton Rouge to St. Louis (BTR - 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
BTR — STL
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Find cheap flights from Baton Rouge 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 Baton Rouge to St. Louis
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Best
Last-minute
One-way
Cheapest flights from Baton Rouge to St. LouisExplore the most affordable flight options available from Baton Rouge to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Baton Rouge to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/266:00 am
BTR
- STL
1 stop6h 15m
American Airlines
Sat 8/295:11 pm
STL
- BTR
1 stop5h 44m
American Airlines
Deal found 7/21![American Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Fri 10/25:28 pm
BTR
- STL
1 stop6h 15m
American Airlines
Tue 10/65:40 am
STL
- BTR
1 stop5h 13m
American Airlines
Deal found 7/20![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 7/20. 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 11/56:00 am
BTR
- STL
1 stop4h 51m
Delta
Mon 11/94:40 pm
STL
- BTR
1 stop5h 21m
Delta
Deal found 7/20![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:20 am
BTR
- STL
2 stops8h 57m
United Airlines
Wed 10/76:15 am
STL
- BTR
1 stop5h 03m
United Airlines
Deal found 7/18![United Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 7/20. 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 11/1712:05 pm
BTR
- STL
1 stop4h 34m
United Airlines
Sun 11/226:00 am
STL
- BTR
2 stops9h 32m
United Airlines
Deal found 7/20![United Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/1812:00 pm
BTR
- STL
2 stops10h 00m
United Airlines
Mon 8/243:13 pm
STL
- BTR
1 stop6h 15m
United Airlines
Deal found 7/20![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 7/21. 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 8/257:13 pm
BTR
- STL
1 stop4h 08m
Delta
Tue 9/17:00 am
STL
- BTR
1 stop5h 47m
Delta
Deal found 7/21![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 7/21. 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.
Sun 8/237:13 pm
BTR
- STL
1 stop4h 45m
Delta
Sat 8/296:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 7/21![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 7/21. 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.
Sun 8/237:13 pm
BTR
- STL
1 stop4h 45m
Delta
Mon 8/316:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 7/21![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/52:27 pm
BTR
- STL
1 stop5h 59m
American Airlines
Sun 8/95:42 am
STL
- BTR
1 stop5h 00m
American Airlines
Deal found 7/21![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/57:15 am
BTR
- STL
2 stops8h 31m
United Airlines
Sun 8/911:10 am
STL
- BTR
1 stop6h 24m
United Airlines
Deal found 7/21![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Fri 10/25:20 am
BTR
- STL
1 stop4h 50m
United Airlines
Tue 10/68:00 am
STL
- BTR
2 stops7h 32m
United Airlines
Deal found 7/20![United Airlines logo]()
$354
Best flights from Baton Rouge to St. LouisDiscover carefully curated flight deals from Baton Rouge to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Baton Rouge to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This Delta deal was found by Cheapflights users on 7/18. 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 9/305:46 pm
BTR
- STL
1 stop5h 56m
Delta
Wed 10/712:00 pm
STL
- BTR
1 stop5h 07m
Delta
Deal found 7/18![Delta logo]()
$305
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Fri 10/25:28 pm
BTR
- STL
1 stop6h 15m
American Airlines
Tue 10/65:40 am
STL
- BTR
1 stop5h 13m
American Airlines
Deal found 7/20![American Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/57:15 am
BTR
- STL
2 stops8h 31m
United Airlines
Sun 8/911:10 am
STL
- BTR
1 stop6h 24m
United Airlines
Deal found 7/21![United Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 7/22. 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 9/246:11 pm
BTR
- STL
1 stop5h 32m
American Airlines
Sun 9/275:43 am
STL
- BTR
1 stop5h 08m
American Airlines
Deal found 7/22![American Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 7/19. 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.
Thu 11/56:00 am
BTR
- STL
1 stop4h 51m
Delta
Mon 11/94:40 pm
STL
- BTR
1 stop5h 21m
Delta
Deal found 7/19![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/19. 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 10/315:00 am
BTR
- STL
1 stop5h 05m
United Airlines
Wed 11/46:15 am
STL
- BTR
1 stop4h 57m
United Airlines
Deal found 7/19![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 7/21. 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 8/286:07 am
BTR
- STL
1 stop5h 39m
Delta
Sat 8/296:20 am
STL
- BTR
2 stops14h 26m
Delta
Deal found 7/21![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 7/22. 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 12/2410:29 am
BTR
- STL
1 stop5h 29m
Delta
Mon 12/284:40 pm
STL
- BTR
1 stop5h 21m
Delta
Deal found 7/22![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 7/21. 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.
Sat 8/296:07 am
BTR
- STL
1 stop5h 49m
Delta
Sat 8/295:33 pm
STL
- BTR
1 stop16h 06m
Delta
Deal found 7/21![Delta logo]()
$380
Last-minute flights from Baton Rouge to St. LouisDiscover last-minute flight deals from Baton Rouge to St. Louis. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Baton Rouge to St. Louis. Data last updated July 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/18. 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 7/306:19 am
BTR
- STL
1 stop5h 58m
Delta
Mon 8/33:39 pm
STL
- BTR
1 stop6h 22m
Delta
Deal found 7/18![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/52:27 pm
BTR
- STL
1 stop5h 59m
American Airlines
Sun 8/95:42 am
STL
- BTR
1 stop5h 00m
American Airlines
Deal found 7/21![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/57:15 am
BTR
- STL
2 stops8h 31m
United Airlines
Sun 8/911:10 am
STL
- BTR
1 stop6h 24m
United Airlines
Deal found 7/21![United Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/136:13 pm
BTR
- STL
1 stop4h 28m
American Airlines
Sat 8/1510:16 am
STL
- BTR
1 stop6h 22m
American Airlines
Deal found 7/22![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/1812:00 pm
BTR
- STL
2 stops10h 00m
United Airlines
Mon 8/243:13 pm
STL
- BTR
1 stop6h 15m
United Airlines
Deal found 7/20![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 7/21. 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.
Sun 8/237:13 pm
BTR
- STL
1 stop4h 45m
Delta
Sat 8/296:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 7/21![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 7/21. 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.
Sun 8/237:13 pm
BTR
- STL
1 stop4h 45m
Delta
Mon 8/316:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 7/21![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 7/21. 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.
Mon 8/247:13 pm
BTR
- STL
2 stops13h 24m
Delta
Sat 8/296:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 7/21![Delta logo]()
$375
This Delta deal was found by Cheapflights users on 7/21. 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.
Mon 8/247:13 pm
BTR
- STL
2 stops15h 10m
Delta
Mon 8/317:00 am
STL
- BTR
1 stop5h 47m
Delta
Deal found 7/21![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 7/21. 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 8/257:13 pm
BTR
- STL
1 stop4h 08m
Delta
Tue 9/17:00 am
STL
- BTR
1 stop5h 47m
Delta
Deal found 7/21![Delta logo]()
$315
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/266:00 am
BTR
- STL
1 stop6h 15m
American Airlines
Sat 8/295:11 pm
STL
- BTR
1 stop5h 44m
American Airlines
Deal found 7/21![American Airlines logo]()
$305
One-way flights from Baton Rouge to St. LouisSearch for one-way flight options from Baton Rouge to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Baton Rouge to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Delta deal was found by Cheapflights users on 7/19. 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 10/104:30 pm
BTR
- STL
1 stop7h 18m
Delta
Deal found 7/19![Delta logo]()
$230
This United Airlines deal was found by Cheapflights users on 7/19. 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 10/105:20 am
BTR
- STL
2 stops10h 23m
United Airlines
Deal found 7/19![United Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 8/511:14 am
BTR
- STL
1 stop6h 51m
American Airlines
Deal found 7/22![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 8/59:35 am
BTR
- STL
2 stops14h 09m
United Airlines
Deal found 7/22![United Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Wed 8/53:57 pm
BTR
- STL
3 stops47h 15m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,285
Find flight deals from Baton Rouge to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Baton Rouge (BTR) 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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (American Airlines) |
One-way from | $230 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $357 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baton Rouge 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 July 23, 2026.
Use the filters below to find and compare flights from Baton Rouge to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Wed 9/30
5:46 pm-11:42 pm
1 stop5h 56m
Lambert-St Louis
Wed 10/7
12:00 pm-5:07 pm
1 stop5h 07m
$305
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Fri 10/2
5:28 pm-11:43 pm
1 stop6h 15m
Lambert-St Louis
Tue 10/6
5:40 am-10:53 am
1 stop5h 13m
$307
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Thu 9/24
6:11 pm-11:43 pm
1 stop5h 32m
Lambert-St Louis
Sun 9/27
5:43 am-10:51 am
1 stop5h 08m
$309
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Thu 11/5
6:00 am-10:51 am
1 stop4h 51m
Lambert-St Louis
Mon 11/9
4:40 pm-10:01 pm
1 stop5h 21m
$309
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Wed 8/5
7:15 am-3:46 pm
2 stops8h 31m
Lambert-St Louis
Sun 8/9
11:10 am-5:34 pm
1 stop6h 24m
$344
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Fri 8/28
6:07 am-11:46 am
1 stop5h 39m
Lambert-St Louis
Sat 8/29
6:20 am-8:46 pm
2 stops14h 26m
$377
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Thu 12/24
10:29 am-3:58 pm
1 stop5h 29m
Lambert-St Louis
Mon 12/28
4:40 pm-10:01 pm
1 stop5h 21m
$378
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Sat 8/29
6:07 am-11:56 am
1 stop5h 49m
Lambert-St Louis
Sat 8/29
5:33 pm-9:39 am
1 stop16h 06m
$380
Quickest round-trip
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Sat 10/31
5:00 am-10:05 am
1 stop5h 05m
Lambert-St Louis
Wed 11/4
6:15 am-11:12 am
1 stop4h 57m
$385
Cheapest one-way
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Sat 10/10
4:30 pm-11:48 pm
1 stop7h 18m
$230
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Baton Rouge 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 Baton Rouge to St. Louis in July.
| 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 Baton Rouge-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baton Rouge-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baton Rouge-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Baton Rouge-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 Baton Rouge-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 Baton Rouge to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Baton Rouge with our price prediction graph.
BTR-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 Baton Rouge to St. Louis
What is the cheapest month to book a flight from Baton Rouge to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Baton Rouge to St. Louis (average of $263). Flying from Baton Rouge to St. Louis in June is currently the most expensive (average of $451). 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 Baton Rouge 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 July 23, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Baton Rouge to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2023
MSY - ATL
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2023
MSY - ATL
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2023
MSY - ATL
Food
7.2
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2023
MSY - ATL
Related info for your journey
Find useful and relevant information for your journey from Baton Rouge 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
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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Top 3 airlines flying from Baton Rouge to St. Louis
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$376 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$371 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$357 | FlexibilityNo cancel fee | On-timeN/A |