Cheap Flights from Chattanooga to St Louis

Compare Chattanooga to St Louis flight deals

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

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Flight deals from Chattanooga to St Louis

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

Find the cheapest month to fly from Chattanooga to St Louis

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

Chattanooga to St Louis: Alternative routes

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

Chattanooga to St Louis: Flight information

The things to know before you go.
Cheapest flight foundRs44,771
Cheapest month to flySeptember

Finding cheap flights from Chattanooga to St Louis: Frequently asked questions

The best price we found for a return flight from Chattanooga to St Louis is Rs81,713. 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 Chattanooga to St Louis. But we found flights with one or more stops from Rs81,713.
As of September 2025, there are no flights flying from Chattanooga to St Louis.
The cheapest month to fly from Chattanooga to St Louis is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chattanooga Airport to St Louis Airport on Wednesday, 17 September 2025.
No airlines currently offer direct flights between Chattanooga Airport and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to St Louis.

Flying from Chattanooga Airport (CHA) to Lambert-St. Louis International Airport (STL): what you need to know

  • St Louis's timezone is UTC-5, which makes St Louis one hour behind Chattanooga.

  • To ensure you get on your CHA to STL flight, allow plenty of time to check in and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • Travelling during a peak time such as June? Public holidays and other high seasons can result in longer lines and delays at check-in and security. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Chattanooga Airport to Lambert-St. Louis International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to visit your chosen city. Stopovers between CHA and STL include:

    • Hartsfield-Jackson Atlanta International Airport

    • O'Hare International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Chattanooga Airport (CHA) to Lambert-St. Louis International Airport (STL)

  • Rs44,771 is the lowest price for a one-way Chattanooga Airport to Lambert-St. Louis International Airport flight. Return flights start from Rs81,713. These prices can change depending on demand and availability.

  • It's usually best to book as early as possible if you want to find cheap tickets from CHA to STL. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' tool shows you the cheapest flights from Chattanooga Airport to Lambert-St. Louis International Airport across the month. It's a good way to snap up a bargain if your dates aren't set in stone.

  • Getting your hands on cheap flights from CHA to STL couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when fares go down.

  • Select your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Chattanooga Airport to Lambert-St. Louis International Airport.

Handy information about Chattanooga Airport (CHA)

  • When it comes to Chattanooga Airport's on-time performance, data shows 76.74% of flights complete their journey on time.

  • Chattanooga Airport is around 21 kilometres from central Chattanooga. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.

  • The trip on public transport typically takes 1 hour 10 minutes.

  • Get your holiday off to a relaxed start by staying near CHA. Whether you have an early flight from Chattanooga Airport to Lambert-St. Louis International Airport or want to avoid feeling rushed, these stays are ideal:

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..

  • From Lambert-St. Louis International Airport, St Louis is approximately 26 kilometres away. It takes around 20 minutes to reach the centre by car.

  • Travelling to the centre by public transport typically takes 35 minutes.

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

  • July is the busiest month for flights from Chattanooga Airport to Lambert-St. Louis International Airport. To escape the crowds, visit St Louis in April.

  • Lock in your flight from Chattanooga Airport to Lambert-St. Louis International Airport for July if you want to visit St Louis during its warmest month. You can expect temperatures of between 17ºC and 33ºC.

  • If you want to travel in cooler conditions, search for a cheap ticket from CHA to STL in January. Temperatures average between -8ºC and 7ºC then.

Explore more of United States

  • You've seen St Louis, now it's time to explore other corners of United States. Journey about 418 kilometres north-east to Chicago to tick off its leading attractions. From Millennium Park to Art Institute of Chicago and LandShark Beer Garden at Navy Pier, you'll have a packed itinerary ahead.

  • Around 370 kilometres east of St Louis, Indianapolis is another essential stop in United States. Experience the best of this destination with a visit to The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

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