Cheap Flights from St. Louis (STL) to Baton Rouge (BTR)

Popular airlines from Lambert-St. Louis International Airport (STL) to Baton Rouge Metropolitan Airport (BTR)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

Find the cheapest month to fly from St. Louis (STL) to Baton Rouge (BTR)

September is typically the cheapest month to fly

From £148 - £386 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Baton Rouge route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Baton Rouge Metropolitan
Distance
910 km

Compare flights from St. Louis to Baton Rouge easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Baton Rouge. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Baton Rouge Metropolitan in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to Baton Rouge Metropolitan.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to Baton Rouge Metropolitan (BTR)

The easiest way to view the best deals on flights from St. Louis to Baton Rouge today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to Baton Rouge Metropolitan start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near St. Louis and Baton Rouge
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your St. Louis to Baton Rouge flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to Baton Rouge Metropolitan for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from STL to BTR?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey from Lambert Field to Baton Rouge Metropolitan Airport was . Cheap fares don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to Baton Rouge Metropolitan Airport (BTR)?
Every airline has its own set of terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from Lambert Field to Baton Rouge Metropolitan Airport (BTR) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for St. Louis Lambert International Airport to Baton Rouge Metropolitan Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Lambert Field to Baton Rouge Metropolitan Airport (BTR)?
A flight distance of just 920 kilometres separates St. Louis and Baton Rouge. Once you're up in the skies, you won't have time to do much more than read the in-flight magazine.
Which airlines fly direct from STL to Baton Rouge Metropolitan Airport (BTR)?
If you want to travel straight from Lambert Field to Baton Rouge Metropolitan Airport, you'll have to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly on this route.
Are Lambert Field to BTR flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so it's no sure thing. While last-minute deals between STL and BTR are of course possible, it's also a good idea to keep track of prices well before you fly. In fact, some airlines publish their prices up to 12 months before the departure date. Expedia is continuously updating the biggest bargains around, so keep checking and be ready to book when prices drop.

Explore a world of travel with Expedia

*Available to Expedia members.