$139+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BTR — STL
Apr 9 — Apr 161
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
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 March 10, 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 March 10, 2026.
This Delta deal was found by Cheapflights users on 3/9. 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.
Thu 4/97:05 pm
BTR
- STL
1 stop4h 53m
Delta
Wed 4/299:59 am
STL
- BTR
1 stop5h 16m
Delta
Deal found 3/9![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 3/9. 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.
Fri 4/37:05 pm
BTR
- STL
1 stop4h 53m
Delta
Mon 4/279:59 am
STL
- BTR
1 stop5h 16m
Delta
Deal found 3/9![Delta logo]()
$281
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/152:33 pm
BTR
- STL
2 stops9h 13m
American Airlines
Mon 4/206:11 pm
STL
- BTR
1 stop4h 35m
American Airlines
Deal found 3/5![American Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 3/245:00 am
BTR
- STL
1 stop5h 59m
American Airlines
Sat 3/289:35 am
STL
- BTR
1 stop6h 23m
American Airlines
Deal found 3/9![American Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/222:33 pm
BTR
- STL
2 stops9h 13m
American Airlines
Mon 4/2712:27 pm
STL
- BTR
2 stops8h 58m
American Airlines
Deal found 3/5![American Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 3/10. 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 4/97:05 pm
BTR
- STL
1 stop4h 53m
Delta
Sat 4/116:00 am
STL
- BTR
1 stop6h 51m
Delta
Deal found 3/10![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 3/10. 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 4/37:05 pm
BTR
- STL
1 stop4h 53m
Delta
Sat 4/116:00 am
STL
- BTR
1 stop6h 51m
Delta
Deal found 3/10![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 4/94:08 pm
BTR
- STL
1 stop6h 20m
United Airlines
Sat 4/1111:15 am
STL
- BTR
2 stops8h 22m
United Airlines
Deal found 3/9![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 3/10. 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 4/31:36 pm
BTR
- STL
1 stop4h 17m
Delta
Wed 4/810:12 am
STL
- BTR
1 stop4h 58m
Delta
Deal found 3/10![Delta logo]()
$305
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/1012:01 pm
BTR
- STL
1 stop6h 03m
American Airlines
Fri 4/2412:27 pm
STL
- BTR
2 stops8h 58m
American Airlines
Deal found 3/7![American Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 3/7. 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 3/265:00 am
BTR
- STL
2 stops11h 23m
United Airlines
Mon 3/306:00 am
STL
- BTR
1 stop5h 21m
United Airlines
Deal found 3/7![United Airlines logo]()
$314
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 March 10, 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 March 10, 2026.
This Delta deal was found by Cheapflights users on 3/7. 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 4/137:08 pm
BTR
- STL
1 stop4h 28m
Delta
Fri 4/241:02 pm
STL
- BTR
1 stop5h 25m
Delta
Deal found 3/7![Delta logo]()
$277
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/152:33 pm
BTR
- STL
1 stop4h 57m
American Airlines
Mon 4/206:11 pm
STL
- BTR
1 stop4h 35m
American Airlines
Deal found 3/5![American Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/155:00 am
BTR
- STL
1 stop4h 30m
United Airlines
Tue 5/197:45 am
STL
- BTR
2 stops7h 46m
United Airlines
Deal found 3/5![United Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 3/7. 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 4/87:05 pm
BTR
- STL
1 stop4h 53m
Delta
Mon 4/279:59 am
STL
- BTR
1 stop5h 16m
Delta
Deal found 3/7![Delta logo]()
$277
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/222:33 pm
BTR
- STL
2 stops9h 13m
American Airlines
Mon 4/275:20 am
STL
- BTR
1 stop4h 42m
American Airlines
Deal found 3/5![American Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 3/5. 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 5/227:04 pm
BTR
- STL
1 stop4h 55m
Delta
Mon 5/257:15 am
STL
- BTR
1 stop5h 36m
Delta
Deal found 3/5![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/7. 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 3/265:00 am
BTR
- STL
2 stops11h 23m
United Airlines
Mon 3/306:00 am
STL
- BTR
1 stop5h 21m
United Airlines
Deal found 3/7![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 3/5. 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 4/226:00 am
BTR
- STL
1 stop4h 34m
Delta
Mon 4/276:00 am
STL
- BTR
1 stop6h 50m
Delta
Deal found 3/5![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/119:20 am
BTR
- STL
1 stop6h 48m
United Airlines
Wed 4/156:00 am
STL
- BTR
1 stop5h 21m
United Airlines
Deal found 3/7![United Airlines logo]()
$347
Last-minute flights from Baton Rouge to St. LouisDiscover last-minute flight deals from Baton Rouge to St. Louis. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Baton Rouge to St. Louis. Data last updated March 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 3/245:00 am
BTR
- STL
1 stop5h 59m
American Airlines
Sat 3/289:35 am
STL
- BTR
1 stop6h 23m
American Airlines
Deal found 3/9![American Airlines logo]()
$285
This United Airlines deal was found by Cheapflights users on 3/7. 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 3/265:00 am
BTR
- STL
2 stops11h 23m
United Airlines
Mon 3/306:00 am
STL
- BTR
1 stop5h 21m
United Airlines
Deal found 3/7![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 3/9. 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.
Fri 4/37:05 pm
BTR
- STL
1 stop4h 53m
Delta
Mon 4/279:59 am
STL
- BTR
1 stop5h 16m
Delta
Deal found 3/9![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 3/10. 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 4/37:05 pm
BTR
- STL
1 stop4h 53m
Delta
Sat 4/116:00 am
STL
- BTR
1 stop6h 51m
Delta
Deal found 3/10![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 3/10. 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 4/31:36 pm
BTR
- STL
1 stop4h 17m
Delta
Wed 4/810:12 am
STL
- BTR
1 stop4h 58m
Delta
Deal found 3/10![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 3/9. 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.
Thu 4/97:05 pm
BTR
- STL
1 stop4h 53m
Delta
Wed 4/299:59 am
STL
- BTR
1 stop5h 16m
Delta
Deal found 3/9![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 3/10. 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 4/97:05 pm
BTR
- STL
1 stop4h 53m
Delta
Sat 4/116:00 am
STL
- BTR
1 stop6h 51m
Delta
Deal found 3/10![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 4/94:08 pm
BTR
- STL
1 stop6h 20m
United Airlines
Sat 4/1111:15 am
STL
- BTR
2 stops8h 22m
United Airlines
Deal found 3/9![United Airlines logo]()
$302
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/1012:01 pm
BTR
- STL
1 stop6h 03m
American Airlines
Fri 4/2412:27 pm
STL
- BTR
2 stops8h 58m
American Airlines
Deal found 3/7![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/152:33 pm
BTR
- STL
2 stops9h 13m
American Airlines
Mon 4/206:11 pm
STL
- BTR
1 stop4h 35m
American Airlines
Deal found 3/5![American Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/222:33 pm
BTR
- STL
2 stops9h 13m
American Airlines
Mon 4/2712:27 pm
STL
- BTR
2 stops8h 58m
American Airlines
Deal found 3/5![American Airlines logo]()
$288
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 March 10, 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 March 10, 2026.
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 4/154:00 pm
BTR
- STL
1 stop5h 19m
Delta
Deal found 3/9![Delta logo]()
$139
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/152:33 pm
BTR
- STL
2 stops9h 13m
American Airlines
Deal found 3/6![American Airlines logo]()
$144
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Delta) |
One-way from | $139 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $368 |
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 March 10, 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
Mon 4/13
7:08 pm-11:36 pm
1 stop4h 28m
Lambert-St Louis
Fri 4/24
1:02 pm-6:27 pm
1 stop5h 25m
$277
Quickest round-trip
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Wed 4/15
2:33 pm-7:30 pm
1 stop4h 57m
Lambert-St Louis
Mon 4/20
6:11 pm-10:46 pm
1 stop4h 35m
$277
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Wed 4/8
7:05 pm-11:58 pm
1 stop4h 53m
Lambert-St Louis
Mon 4/27
9:59 am-3:15 pm
1 stop5h 16m
$277
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Fri 5/22
7:04 pm-11:59 pm
1 stop4h 55m
Lambert-St Louis
Mon 5/25
7:15 am-12:51 pm
1 stop5h 36m
$277
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Wed 4/22
6:00 am-10:34 am
1 stop4h 34m
Lambert-St Louis
Mon 4/27
6:00 am-12:50 pm
1 stop6h 50m
$277
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Fri 5/15
5:00 am-9:30 am
1 stop4h 30m
Lambert-St Louis
Tue 5/19
7:45 am-3:31 pm
2 stops7h 46m
$282
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Wed 4/22
2:33 pm-11:46 pm
2 stops9h 13m
Lambert-St Louis
Mon 4/27
5:20 am-10:02 am
1 stop4h 42m
$282
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Thu 3/26
5:00 am-4:23 pm
2 stops11h 23m
Lambert-St Louis
Mon 3/30
6:00 am-11:21 am
1 stop5h 21m
$314
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Sat 4/11
9:20 am-4:08 pm
1 stop6h 48m
Lambert-St Louis
Wed 4/15
6:00 am-11:21 am
1 stop5h 21m
$347
Cheapest one-way
Quickest one-way
Baton RougeSt. Louis
BTR - STL
BTRSTL
Baton Rouge Ryan
Wed 4/15
6:00 am-10:34 am
1 stop4h 34m
$139
Showing 1-10 of 11 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 March.
| 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, December is the cheapest month in which you can book a flight from Baton Rouge to St. Louis (average of $75). Flying from Baton Rouge to St. Louis in August is currently the most expensive (average of $339). 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 March 10, 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.
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
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 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
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 March 10, 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 March 10, 2026.
Popular flight searches
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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 March 10, 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$247 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$344 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$323 | FlexibilityNo cancel fee | On-time71% |