$248+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BTR — STL
Jul 14 — Jul 211
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
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 June 14, 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 June 14, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 7/144:00 pm
BTR
- STL
1 stop6h 15m
Delta
Tue 7/289:24 am
STL
- BTR
1 stop5h 45m
Delta
Deal found 6/10![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 6/10. 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 7/87:06 pm
BTR
- STL
1 stop4h 47m
Delta
Wed 7/2910:51 am
STL
- BTR
1 stop4h 18m
Delta
Deal found 6/10![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 6/10. 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 8/216:07 am
BTR
- STL
1 stop5h 39m
Delta
Mon 8/245:23 pm
STL
- BTR
1 stop4h 38m
Delta
Deal found 6/10![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/2212:00 pm
BTR
- STL
2 stops10h 00m
United Airlines
Wed 8/266:15 am
STL
- BTR
1 stop4h 58m
United Airlines
Deal found 6/13![United Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/311:29 am
BTR
- STL
1 stop6h 57m
American Airlines
Sun 7/55:32 am
STL
- BTR
1 stop5h 26m
American Airlines
Deal found 6/9![American Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 6/10. 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 7/31:32 pm
BTR
- STL
1 stop4h 35m
Delta
Fri 7/106:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 6/10![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/26:16 pm
BTR
- STL
1 stop5h 36m
American Airlines
Sun 7/55:32 am
STL
- BTR
1 stop5h 26m
American Airlines
Deal found 6/12![American Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/112:05 pm
BTR
- STL
2 stops9h 24m
United Airlines
Fri 7/316:14 am
STL
- BTR
1 stop5h 06m
United Airlines
Deal found 6/10![United Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 6/11. 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 6/257:36 pm
BTR
- STL
1 stop4h 23m
American Airlines
Sun 6/285:29 am
STL
- BTR
1 stop5h 31m
American Airlines
Deal found 6/11![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 6/13. 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 7/212:10 pm
BTR
- STL
1 stop5h 32m
United Airlines
Sun 7/56:14 am
STL
- BTR
1 stop5h 06m
United Airlines
Deal found 6/13![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 6/10. 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 7/94:00 pm
BTR
- STL
1 stop6h 15m
Delta
Tue 7/289:24 am
STL
- BTR
1 stop5h 45m
Delta
Deal found 6/10![Delta logo]()
$352
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 June 14, 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 June 14, 2026.
This Delta deal was found by Cheapflights users on 6/13. 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 8/2210:26 am
BTR
- STL
1 stop4h 07m
Delta
Wed 8/267:00 am
STL
- BTR
1 stop5h 47m
Delta
Deal found 6/13![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/222:15 pm
BTR
- STL
2 stops8h 44m
United Airlines
Wed 8/268:00 am
STL
- BTR
2 stops7h 30m
United Airlines
Deal found 6/13![United Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 6/10. 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 8/216:07 am
BTR
- STL
1 stop5h 39m
Delta
Mon 8/245:23 pm
STL
- BTR
1 stop4h 38m
Delta
Deal found 6/10![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 6/11. 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 7/46:11 am
BTR
- STL
1 stop6h 23m
Delta
Fri 7/106:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 6/11![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/79:35 am
BTR
- STL
2 stops14h 09m
United Airlines
Mon 8/106:30 pm
STL
- BTR
1 stop4h 16m
United Airlines
Deal found 6/13![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/145:20 am
BTR
- STL
2 stops10h 01m
United Airlines
Sat 10/177:30 am
STL
- BTR
2 stops10h 13m
United Airlines
Deal found 6/10![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 6/10. 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 7/87:06 pm
BTR
- STL
1 stop4h 47m
Delta
Sun 8/26:00 am
STL
- BTR
1 stop15h 56m
Delta
Deal found 6/10![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/29:35 am
BTR
- STL
2 stops14h 09m
United Airlines
Sun 7/56:14 am
STL
- BTR
1 stop5h 06m
United Airlines
Deal found 6/12![United Airlines logo]()
$525
This Delta deal was found by Cheapflights users on 6/13. 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 7/274:00 pm
BTR
- STL
1 stop6h 15m
Delta
Fri 7/319:24 am
STL
- BTR
1 stop5h 45m
Delta
Deal found 6/13![Delta logo]()
$537
This Delta deal was found by Cheapflights users on 6/12. 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 7/147:06 pm
BTR
- STL
1 stop4h 47m
Delta
Thu 7/166:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 6/12![Delta logo]()
$537
Last-minute flights from Baton Rouge to St. LouisDiscover last-minute flight deals from Baton Rouge to St. Louis. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from Baton Rouge to St. Louis. Data last updated June 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/13. 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 6/2411:30 am
BTR
- STL
1 stop5h 03m
American Airlines
Sat 6/275:29 am
STL
- BTR
1 stop5h 23m
American Airlines
Deal found 6/13![American Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 6/11. 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 6/257:36 pm
BTR
- STL
1 stop4h 23m
American Airlines
Sun 6/285:29 am
STL
- BTR
1 stop5h 31m
American Airlines
Deal found 6/11![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/26:16 pm
BTR
- STL
1 stop5h 36m
American Airlines
Sun 7/55:32 am
STL
- BTR
1 stop5h 26m
American Airlines
Deal found 6/12![American Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/13. 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 7/212:10 pm
BTR
- STL
1 stop5h 32m
United Airlines
Sun 7/56:14 am
STL
- BTR
1 stop5h 06m
United Airlines
Deal found 6/13![United Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/311:29 am
BTR
- STL
1 stop6h 57m
American Airlines
Sun 7/55:32 am
STL
- BTR
1 stop5h 26m
American Airlines
Deal found 6/9![American Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 6/10. 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 7/31:32 pm
BTR
- STL
1 stop4h 35m
Delta
Fri 7/106:00 am
STL
- BTR
1 stop6h 47m
Delta
Deal found 6/10![Delta logo]()
$322
This Delta deal was found by Cheapflights users on 6/10. 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 7/84:00 pm
BTR
- STL
1 stop6h 15m
Delta
Tue 7/289:24 am
STL
- BTR
1 stop5h 45m
Delta
Deal found 6/10![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 6/10. 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 7/87:06 pm
BTR
- STL
1 stop4h 47m
Delta
Thu 7/309:24 am
STL
- BTR
1 stop5h 45m
Delta
Deal found 6/10![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 6/10. 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 7/87:06 pm
BTR
- STL
1 stop4h 47m
Delta
Fri 7/313:58 pm
STL
- BTR
1 stop5h 58m
Delta
Deal found 6/10![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 6/10. 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 7/94:00 pm
BTR
- STL
1 stop6h 15m
Delta
Tue 7/289:24 am
STL
- BTR
1 stop5h 45m
Delta
Deal found 6/10![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/112:05 pm
BTR
- STL
2 stops9h 24m
United Airlines
Fri 7/316:14 am
STL
- BTR
1 stop5h 06m
United Airlines
Deal found 6/10![United Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 6/10. 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 7/144:00 pm
BTR
- STL
1 stop6h 15m
Delta
Wed 7/297:08 am
STL
- BTR
1 stop5h 39m
Delta
Deal found 6/10![Delta 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 June 14, 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 June 14, 2026.
This Delta deal was found by Cheapflights users on 6/14. 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 9/175:50 pm
BTR
- STL
1 stop5h 46m
Delta
Deal found 6/14![Delta logo]()
$248
This Delta deal was found by Cheapflights users on 6/9. 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 7/127:04 pm
BTR
- STL
1 stop4h 49m
Delta
Deal found 6/9![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 6/14. 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 9/1712:00 pm
BTR
- STL
2 stops11h 38m
United Airlines
Deal found 6/14![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 6/12. 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 6/217:08 pm
BTR
- STL
1 stop4h 48m
Delta
Deal found 6/12![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 6/13. 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 6/245:00 am
BTR
- STL
2 stops10h 46m
United Airlines
Deal found 6/13![United Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 6/12. 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 6/215:00 am
BTR
- STL
2 stops11h 07m
United Airlines
Deal found 6/12![United Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/125:00 am
BTR
- STL
2 stops9h 23m
United Airlines
Deal found 6/9![United Airlines logo]()
$542
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 June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (Delta) |
One-way from | $248 (Delta) |
Popular in | May |
Cheapest in | January |
Average price | $338 |
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 June 14, 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
Quickest round-trip
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Sat 8/22
10:26 am-2:33 pm
1 stop4h 07m
Lambert-St Louis
Wed 8/26
7:00 am-12:47 pm
1 stop5h 47m
$305
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Fri 8/21
6:07 am-11:46 am
1 stop5h 39m
Lambert-St Louis
Mon 8/24
5:23 pm-10:01 pm
1 stop4h 38m
$309
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Sat 8/22
2:15 pm-10:59 pm
2 stops8h 44m
Lambert-St Louis
Wed 8/26
8:00 am-3:30 pm
2 stops7h 30m
$315
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Sat 7/4
6:11 am-12:34 pm
1 stop6h 23m
Lambert-St Louis
Fri 7/10
6:00 am-12:47 pm
1 stop6h 47m
$352
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Fri 8/7
9:35 am-11:44 pm
2 stops14h 09m
Lambert-St Louis
Mon 8/10
6:30 pm-10:46 pm
1 stop4h 16m
$439
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Wed 10/14
5:20 am-3:21 pm
2 stops10h 01m
Lambert-St Louis
Sat 10/17
7:30 am-5:43 pm
2 stops10h 13m
$483
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Wed 7/8
7:06 pm-11:53 pm
1 stop4h 47m
Lambert-St Louis
Sun 8/2
6:00 am-9:56 pm
1 stop15h 56m
$504
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Thu 7/2
9:35 am-11:44 pm
2 stops14h 09m
Lambert-St Louis
Sun 7/5
6:14 am-11:20 am
1 stop5h 06m
$525
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Mon 7/27
4:00 pm-10:15 pm
1 stop6h 15m
Lambert-St Louis
Fri 7/31
9:24 am-3:09 pm
1 stop5h 45m
$537
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Tue 7/14
7:06 pm-11:53 pm
1 stop4h 47m
Lambert-St Louis
Thu 7/16
6:00 am-12:47 pm
1 stop6h 47m
$537
Showing 1-10 of 17 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 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 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 May is currently the most expensive (average of $396). 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 June 14, 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
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Alton
Farmington
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 Baton Rouge
Popular flights
St. Louis flight routes
Alternative routes for Baton Rouge 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 Baton Rouge to St. Louis by cabin class
Find flights from Baton Rouge to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baton Rouge and St. Louis flights
Browse other Baton Rouge and St. Louis flight options. Last updated on June 14, 2026.
Other flights from Baton Rouge
Browse through other flights departing from Baton Rouge. Flights are based on user searches made on Cheapflights and were last updated on June 14, 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 14, 2026.
Top 3 airlines flying from Baton Rouge to St. Louis
Discover the top 3 airlines that operate flights from Baton Rouge 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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$368 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$359 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$338 | FlexibilityNo cancel fee | On-timeN/A |