Cheap flights from St. Louis to Baton Rouge from $284
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Baton Rouge departing on 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Tue 11/24
6:00 am-10:33 am
1 stop4h 33m
Baton Rouge Ryan
Wed 12/2
5:28 pm-10:20 pm
1 stop4h 52m
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Sat 11/14
2:31 pm-8:53 pm
1 stop6h 22m
Baton Rouge Ryan
Wed 11/18
6:59 pm-11:56 pm
1 stop4h 57m
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Wed 12/2
12:36 pm-6:19 pm
1 stop5h 43m
Baton Rouge Ryan
Sat 12/5
10:23 am-4:24 pm
1 stop6h 01m
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Sat 11/14
6:00 am-12:58 pm
1 stop6h 58m
Baton Rouge Ryan
Tue 11/17
10:24 am-4:43 pm
1 stop6h 19m
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Mon 1/4
5:00 am-10:11 am
1 stop5h 11m
Baton Rouge Ryan
Mon 1/11
11:02 am-5:09 pm
1 stop6h 07m
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Fri 1/8
5:29 am-10:28 am
1 stop4h 59m
Baton Rouge Ryan
Mon 1/11
11:02 am-5:09 pm
1 stop6h 07m
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Thu 12/31
5:00 am-10:11 am
1 stop5h 11m
Baton Rouge Ryan
Thu 1/7
11:02 am-5:09 pm
1 stop6h 07m
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Thu 12/31
6:15 am-11:23 am
1 stop5h 08m
Baton Rouge Ryan
Thu 1/7
12:00 pm-11:20 pm
2 stops11h 20m
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Fri 1/8
3:07 pm-9:46 pm
1 stop6h 39m
Baton Rouge Ryan
Mon 1/11
2:10 pm-11:20 pm
2 stops9h 10m
St. LouisBaton Rouge
STL Lambert-St Louis - BTR Baton Rouge Ryan
STLBTR
Lambert-St Louis
Sat 10/24
8:35 am-1:20 pm
1 stop4h 45m
Baton Rouge Ryan
Wed 10/28
5:00 am-2:29 pm
2 stops9h 29m
See travel insights to Baton Rouge from
How to get the cheapest flight ticket from St. Louis to Baton Rouge
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between St. Louis and Baton Rouge?
Prices are currently low for flights on this route.
Typical prices usually range from $378 to $432.The lowest price recently found on this route was $335.
What is the cheapest airline that flies from Lambert-St Louis to Baton Rouge Ryan?
Delta and United Airlines are the most popular carriers operating from Lambert-St Louis to Baton Rouge Ryan
What airlines fly to Baton Rouge?
Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to Baton Rouge from St. Louis according to our data. Southwest is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Baton Rouge. Keep in mind that there are 5 different airlines that fly to Baton Rouge on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Baton Rouge
Cheap St. Louis to Baton Rouge (STL to BTR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Baton Rouge
Frequently asked questions about flying from St. Louis to Baton Rouge
How far is Lambert-St Louis to Baton Rouge Ryan by plane?
The distance between Lambert-St Louis and Baton Rouge Ryan is about 567.0 mi. Flights usually cover this in 4h 51m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Baton Rouge Ryan Airport?
Prices for flights from Lambert-St Louis Airport to Baton Rouge Ryan Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Baton Rouge Ryan Airport?
As of October 2026, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Baton Rouge Ryan Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Baton Rouge Ryan Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Baton Rouge Ryan Airport.
What documentation or ID do you need to fly to Baton Rouge Ryan Airport?
The travel and health documents required for your trip to Baton Rouge Ryan Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Baton Rouge Ryan Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from St. Louis to Baton Rouge?
Based on momondo bookings for flights between St. Louis and Baton Rouge, the leading airline is American Airlines, making up 52% of the total bookings. Other popular airlines include Delta with 48%.
Best airlines flying from St. Louis to Baton Rouge
Compare and see reviews for airlines that fly from St. Louis to Baton Rouge with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $306 | Free Cancellation | Rating 7.8 8,653 reviews | |||
| PriceFrom $308 | Free Cancellation | Rating 7.0 12,152 reviews |
Traveling to a place near Baton Rouge?
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Why should I use momondo to find a flight deal from St. Louis to Baton Rouge?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Baton Rouge from St. Louis.
Can I find flights from St. Louis to Baton Rouge with flexible booking policies on momondo?
All flight searches from St. Louis to Baton Rouge on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from St. Louis to Baton Rouge?
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