Cheap flight tickets from St Louis to Chattanooga

Compare St Louis to Chattanooga flight deals

Find the cheapest month or even day of the year to fly to Chattanooga

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Flight deals from St Louis Airport to Chattanooga Airport

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Chattanooga Airport? If you want to travel next month, return fares start from RM1,064. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Chattanooga

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

St Louis to Chattanooga: Alternative routes

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

St Louis to Chattanooga: Flight information

The things to know before you go.
Cheapest flight foundRM1,060
Cheapest month to flyJuly

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

The best price we found for a return flight from St Louis to Chattanooga is RM1,060. 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 St Louis to Chattanooga. But we found flights with one or more stops from RM1,060.
As of March 2026, there are no flights flying from St Louis to Chattanooga.
The cheapest month to fly from St Louis to Chattanooga is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Chattanooga Airport on Friday, 24 July 2026.
No airlines currently offer direct flights between St Louis Airport and Chattanooga 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 Chattanooga 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 Chattanooga is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Chattanooga.

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

  • Give yourself enough time to make your STL to CHA flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's a good idea to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during a high season in general.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Lambert-St. Louis International Airport to Chattanooga Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to explore your chosen city. Worthwhile stopovers between STL and CHA include:

    • Hartsfield-Jackson Atlanta International Airport

    • O'Hare International Airport

    • Charlotte Douglas International Airport

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

  • The lowest price we've seen for a one-way Lambert-St. Louis International Airport to Chattanooga Airport flight is RM695. A return ticket right now is RM1,060. Depending on the availability and when you book, these fares can change.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from STL to CHA if you book ahead. Airlines often have some terrific early bird deals.

  • If you're flexible with your travel dates, use the 'Whole month' search tool. It'll show you the lowest price in each month when searching for a flight from Lambert-St. Louis International Airport to Chattanooga Airport.

  • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll send you an update as soon as there's a new deal on cheap flights from STL to CHA.

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

Handy information about Lambert-St. Louis International Airport (STL)

  • The address for STL is 10701 Lambert International Blvd..

  • When it comes to Lambert-St. Louis International Airport's on-time performance, data shows 78.04% of flights arrive within the scheduled timeframe.

  • To reach Lambert-St. Louis International Airport from central St Louis, it takes about 20 minutes if you're going by car. This depends on traffic though. It's approximately 26 kilometres from the airport to the city centre.

  • Planning to take public transport? Expect a journey time of around 35 minutes.

  • Looking for a handy hotel near STL? If you're catching an early flight from Lambert-St. Louis International Airport to Chattanooga Airport, these stays will have you sleeping moments from your departure gate:

Arriving at Chattanooga Airport (CHA)

Getting from Chattanooga Airport (CHA) to central Chattanooga

  • Chattanooga Airport to central Chattanooga has a drive time of about 15 minutes. It's approximately 21 kilometres away.

  • Getting to the centre on public transport takes roughly 1 hour 10 minutes.

When to fly to Chattanooga Airport (CHA)

  • It's time to pick your dates for your flight from Lambert-St. Louis International Airport to Chattanooga Airport. June is the busiest month to head to Chattanooga. If you prefer a more relaxed vibe, go in February.

  • When reserving your flight from Lambert-St. Louis International Airport to Chattanooga Airport, consider the kind of weather you like. July is the warmest month in Chattanooga, with temperatures ranging from 17ºC (63ºF) to 30ºC (86ºF).

  • For cooler conditions, look for a cheap ticket from STL to CHA in January. Temperatures average between -5ºC (23ºF) and 10ºC (50ºF) then.

Explore more of United States

  • Chattanooga is easy to fall in love with, but there are so many other corners of United States you'll want to see. About 402 kilometres east of Chattanooga, a visit to Charlotte will keep you on the move. Start with leading sights like NASCAR Hall of Fame, Freedom Park and Carolinas Aviation Museum.

  • Memphis is another must-experience destination in United States and is around 434 kilometres west of Chattanooga. No trip is complete without a visit to Beale Street, National Civil Rights Museum and Sun Studio.

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