Title: Cheap Flights from St. Louis to Baton Rouge (STL to BTR) - Expedia.co.uk ![](https://images.trvl-media.com/place/603004/64c2c4a5-d6fb-48a5-b56f-73e6b859348a.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/603004/64c2c4a5-d6fb-48a5-b56f-73e6b859348a.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from St. Louis (STL) to Baton Rouge (BTR) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Lambert-St. Louis International Airport (STL) to Baton Rouge Metropolitan Airport (BTR) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:btr,departure:04/10/2025TANYT&leg2=from:btr,to:stl,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:btr,departure:04/10/2025TANYT&leg2=from:btr,to:stl,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:btr,departure:04/10/2025TANYT&leg2=from:btr,to:stl,departure:11/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from St. Louis (STL) to Baton Rouge (BTR) ### May is typically the cheapest month to fly From £165 - £332 per traveller. ## 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](https://www.expedia.co.uk/service/?langid=1033). ### 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. ## Travel information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | Baton Rouge Metropolitan | | Distance | 910 km | ## Book with confidence ### 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.   ## Explore a world of travel with Expedia - Flights - [Flights from Aarhus (AAR) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/aar/lft/aarhus-to-lafayette) - [Flights from Albuquerque (ABQ) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/abq/msy/albuquerque-to-new-orleans) - [Flights from Aberdeen (ABZ) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/abz/lft/aberdeen-to-lafayette) - [Flights from Aberdeen (ABZ) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/abz/msy/aberdeen-to-new-orleans) - [Flights from Albany (ALB) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/alb/msy/albany-to-new-orleans) - [Flights from Amsterdam (AMS) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/ams/msy/amsterdam-to-new-orleans) - [Flights from Paso de los Libres (AOL) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/aol/lft/paso-de-los-libres-to-lafayette) - [Flights from Atlanta (ATL) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/atl/lft/atlanta-to-lafayette) - [Flights from Barcelona (BCN) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/bcn/msy/barcelona-to-new-orleans) - [Flights from Hartford (BDL) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/bdl/msy/hartford-to-new-orleans) - [Flights from Belfast (BFS) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/bfs/msy/belfast-to-new-orleans) - [Flights from Belfast (BHD) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/bhd/msy/belfast-to-new-orleans) - [Flights from Birmingham (BHX) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/bhx/lft/birmingham-to-lafayette) - [Flights from Bangkok (BKK) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/bkk/msy/bangkok-to-new-orleans) - [Flights from Nashville (BNA) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/bna/lft/nashville-to-lafayette) - [Flights from Boston (BOS) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/bos/lft/boston-to-lafayette) - [Flights from Bristol (BRS) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/brs/msy/bristol-to-new-orleans) - [Flights from Buffalo (BUF) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/buf/msy/buffalo-to-new-orleans) - [Flights from Baltimore (BWI) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/bwi/msy/baltimore-to-new-orleans) - [Flights from Paris (CDG) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/cdg/lft/paris-to-lafayette) - [Flights from Paris (CDG) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/cdg/msy/paris-to-new-orleans) - [Flights from Charleston (CHS) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/chs/msy/charleston-to-new-orleans) - [Flights from Cleveland (CLE) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/cle/msy/cleveland-to-new-orleans) - [Flights from Columbus (CMH) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/cmh/msy/columbus-to-new-orleans) - [Flights from Champaign (CMI) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/cmi/lft/champaign-to-lafayette) - [Flights from Cardiff (CWL) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/cwl/msy/cardiff-to-new-orleans) - [Flights from Delhi (DEL) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/del/msy/delhi-to-new-orleans) - [Flights from Denver (DEN) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/den/lft/denver-to-lafayette) - [Flights from Denver (DEN) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/den/msy/denver-to-new-orleans) - [Flights from Dallas (DFW) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/dfw/lft/dallas-to-lafayette) - [Flights from Detroit (DTW) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/dtw/lft/detroit-to-lafayette) - [Flights from Detroit (DTW) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/dtw/msy/detroit-to-new-orleans) - [Flights from Dubai (DXB) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/dxb/msy/dubai-to-new-orleans) - [Flights from Edinburgh (EDI) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/edi/lft/edinburgh-to-lafayette) - [Flights from El Paso (ELP) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/elp/msy/el-paso-to-new-orleans) - [Flights from East Midlands (EMA) to Lafayette (LFT)](https://www.expedia.co.uk/lp/flights/ema/lft/east-midlands-to-lafayette) - [Flights from East Midlands (EMA) to New Orleans (MSY)](https://www.expedia.co.uk/lp/flights/ema/msy/east-midlands-to-new-orleans) - [Flights from Newark Liberty Intl. 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