Cheap flights from Baton Rouge Ryan to St Louis

Compare Baton Rouge Ryan to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

Book the best St Louis fare with no extra fees

Flight deals from Baton Rouge Ryan Airport to St Louis Airport

Looking for a cheap last-minute deal or the best return flight from Baton Rouge Ryan to St Louis? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Baton Rouge Ryan to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baton Rouge Ryan to St Louis flights are currently cheapest in May.

Baton Rouge Ryan to St Louis: Alternative routes

Compare routes from Baton Rouge Ryan to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Baton Rouge to St Louis: Flight information

The things to know before you go.
Cheapest flight foundP16,268
Cheapest month to flyMay

Finding cheap flights from Baton Rouge Ryan to St Louis: Frequently asked questions

The best price we found for a return flight from Baton Rouge Ryan to St Louis is P16,189. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Baton Rouge Ryan to St Louis. But we found flights with one or more stops from P16,268.
As of March 2026, there are no flights flying from Baton Rouge Ryan to St Louis.
The cheapest month to fly from Baton Rouge Ryan to St Louis is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baton Rouge Ryan Airport to St Louis Airport on Friday, 15 May 2026.
No airlines currently offer direct flights between Baton Rouge Ryan Airport and St Louis Airport. Most routes have one or more stops.
Currently, United offers the cheapest flight tickets to St Louis.

Travelling from Baton Rouge Metropolitan Airport (BTR) to Lambert-St. Louis International Airport (STL): what you need to know

  • Baton Rouge and St Louis follow the same timezone, UTC-5.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your BTR to STL flight.

  • During popular months like June, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you fly during peak periods in general.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Baton Rouge Metropolitan Airport to Lambert-St. Louis International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to visit your chosen city. Some great stopovers between BTR and STL include:

    • Hartsfield-Jackson Atlanta International Airport

    • George Bush Intercontinental Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Baton Rouge Metropolitan Airport (BTR) to Lambert-St. Louis International Airport (STL)

  • Currently, P7,485 is the cheapest price we've seen for a one-way Baton Rouge Metropolitan Airport to Lambert-St. Louis International Airport flight. The best price for a return plane ticket is P16,268. Keep in mind that fares could change due to demand at the time of booking.

  • Don't leave everything to the last moment. You're more likely to get cheap tickets from BTR to STL if you book early. Airlines often have some excellent early bird deals.

  • If you're flexible with your travel plans, use the 'Whole month' search function. It'll find the cheapest price across each month when looking for your flight from Baton Rouge Metropolitan Airport to Lambert-St. Louis International Airport.

  • Save time searching for cheap flights from BTR to STL by setting up a Price Alert. You'll get an email or notification on the app when a lower fare pops up.

  • Secure the perfect flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Baton Rouge Metropolitan Airport to Lambert-St. Louis International Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Baton Rouge Metropolitan Airport (BTR)

  • You'll find BTR at 9430 Jackie Cochran Drive.

  • Baton Rouge Metropolitan Airport gets high marks for its on-time performance. 81.92% of flights that depart BTR reach their destination without delay.

  • To reach Baton Rouge Metropolitan Airport from central Baton Rouge, it'll take about 10 minutes if you're going by car. Of course, this depends on traffic. It's approximately 13 kilometres from the airport to the city centre.

  • You can expect a trip time of roughly 55 minutes on public transport.

  • Need a convenient hotel close to BTR? If you're catching an early flight from Baton Rouge Metropolitan Airport to Lambert-St. Louis International Airport, these stays will put you moments from check-in:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • You'll find STL at 10701 Lambert International Blvd..

  • Lambert-St. Louis International Airport to the centre of St Louis has a drive time of about 20 minutes. It's approximately 26 kilometres away.

  • Travelling on public transport takes roughly 35 minutes.

When to fly to Lambert-St. Louis International Airport (STL)

  • The quietest month for a flight from Baton Rouge Metropolitan Airport to Lambert-St. Louis International Airport is April, while July is the busiest. Pick the best time to go to St Louis based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Lock in your flight from Baton Rouge Metropolitan Airport to Lambert-St. Louis International Airport for July if you'd like to visit St Louis during its warmest month. You can expect temperatures of between 17ºC (63ºF) and 33ºC (91ºF).

  • Search for cheap tickets from BTR to STL in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -8ºC (18ºF) and 7ºC (45ºF) on average.

Explore more of United States

  • Chicago is just one of the many cities in United States waiting to be explored after you've seen St Louis. Around 418 kilometres away to the north-east, popular attractions include Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • If you're interested in discovering another great destination in United States, head for Indianapolis, about 370 kilometres east of St Louis. The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.