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£52 Cheap Flights from St. Louis (STL) to Atlanta (ATL)

View £52 flight on Tue, 29 Sept 2026Opens in a new window

Popular airlines from Lambert-St. Louis International Airport (STL) to Hartsfield-Jackson Atlanta International Airport (ATL)

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Cheap Flights from St. Louis (STL) to Atlanta (ATL)

Prices were available within the past 7 days and start at £52 for one-way flights and £511 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 9 Sept - Wed, 23 Sept
STL
St. Louis
ATL
Atlanta
£511 Return, found 3 days ago
£511
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 9 Sept from St. Louis to Atlanta, returning Wed, 23 Sept, priced at £511 found 3 days ago
Alaska Airlines
Thu, 15 Oct - Thu, 22 Oct
STL
St. Louis
ATL
Atlanta
£573 Return, found 20 hours ago
£573
Return
found 20 hours ago
Select Alaska Airlines flight, departing Thu, 15 Oct from St. Louis to Atlanta, returning Thu, 22 Oct, priced at £573 found 20 hours ago
Alaska Airlines
Mon, 14 Sept - Fri, 25 Sept
STL
St. Louis
ATL
Atlanta
£592 Return, found 5 days ago
£592
Return
found 5 days ago
Select Alaska Airlines flight, departing Mon, 14 Sept from St. Louis to Atlanta, returning Fri, 25 Sept, priced at £592 found 5 days ago
Alaska Airlines
Mon, 14 Sept - Fri, 25 Sept
STL
St. Louis
ATL
Atlanta
£593 Return, found 4 days ago
£593
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 14 Sept from St. Louis to Atlanta, returning Fri, 25 Sept, priced at £593 found 4 days ago
Alaska Airlines
Thu, 8 Oct - Thu, 15 Oct
STL
St. Louis
ATL
Atlanta
£594 Return, found 1 day ago
£594
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 8 Oct from St. Louis to Atlanta, returning Thu, 15 Oct, priced at £594 found 1 day ago
Alaska Airlines
Thu, 15 Oct - Thu, 22 Oct
STL
St. Louis
ATL
Atlanta
£595 Return, found 20 hours ago
£595
Return
found 20 hours ago
Select Alaska Airlines flight, departing Thu, 15 Oct from St. Louis to Atlanta, returning Thu, 22 Oct, priced at £595 found 20 hours ago
Alaska Airlines
Wed, 19 Aug - Wed, 26 Aug
STL
St. Louis
ATL
Atlanta
£597 Return, found 4 days ago
£597
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 19 Aug from St. Louis to Atlanta, returning Wed, 26 Aug, priced at £597 found 4 days ago
Alaska Airlines
Fri, 21 Aug - Sun, 23 Aug
STL
St. Louis
ATL
Atlanta
£612 Return, found 6 days ago
£612
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 21 Aug from St. Louis to Atlanta, returning Sun, 23 Aug, priced at £612 found 6 days ago
Alaska Airlines
Fri, 14 Aug - Fri, 21 Aug
STL
St. Louis
ATL
Atlanta
£623 Return, found 4 days ago
£623
Return
found 4 days ago
Select Alaska Airlines flight, departing Fri, 14 Aug from St. Louis to Atlanta, returning Fri, 21 Aug, priced at £623 found 4 days ago
Alaska Airlines
Wed, 19 Aug - Wed, 26 Aug
STL
St. Louis
ATL
Atlanta
£626 Return, found 4 days ago
£626
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 19 Aug from St. Louis to Atlanta, returning Wed, 26 Aug, priced at £626 found 4 days ago

Find the cheapest month to fly from St. Louis (STL) to Atlanta (ATL)

November is typically the cheapest month to fly

From £42 - £299 per traveller.

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) cost?
You can find one-way and return flights from STL to ATL with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when STL to ATL ticket fares go up or down.
What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.)?
August is typically the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.), with average return fares around £199. August often sees lower prices as it's after the peak summer travel season, leading to reduced demand. January and September are also good months to find deals on this route.
Which airlines fly direct from St. Louis, MO (STL) to Atlanta, GA (ATL)?
Enter STL to ATL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.)?
Frontier Airlines is one of the cheapest airlines offering nonstop return flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.), with tickets starting from around £41 for flights that can be booked for departure within the next year. Delta is one of the cheapest airlines offering connecting return flights on this route, with tickets starting from around £228. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from St. Louis, MO (STL) to Atlanta, GA (ATL)?
To find a cheap flight from St. Louis, MO (STL) to Atlanta, GA (ATL), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.)?
The cheapest months to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) are typically August and January, with average return flights around £199. However, the most popular months for this route, meaning you'll find plenty of flight options, are February and March. If you're looking for the best balance of good prices and a wide selection of flights, you might consider these popular months, though they may be slightly higher than the absolute cheapest times.
What is the earliest flight from St. Louis, MO (STL) to Atlanta, GA (ATL)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from St. Louis, MO (STL) to Atlanta, GA (ATL). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.)?
A nonstop flight from STL to ATL typically takes around 1 hour 50 minutes, covering approximately 777 kilometers. Connecting flights on this route usually add 4 hours 10 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Louis, MO (STL) to Atlanta, GA (ATL)?
Select the "Business class" and "First class" filters when looking for St. Louis, MO (STL) to Atlanta, GA (ATL) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a St. Louis, MO (STL) to Atlanta, GA (ATL) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL) to Atlanta, GA (ATL) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL) to Atlanta, GA (ATL) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL) to Atlanta, GA (ATL) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL) to Atlanta, GA (ATL) flight and hotel package?
Securing a St. Louis, MO (STL) to Atlanta, GA (ATL) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis, MO (STL) to Atlanta, GA (ATL)?
If you booked your St. Louis, MO (STL) to Atlanta, GA (ATL) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Hartsfield-Jackson Atlanta Intl.
Airlines serving
Alaska Airlines
Return price
£511
Distance
772 km
Average flight time
2 hours 34 mins

Book with confidence

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

For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Atlanta. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Hartsfield-Jackson Atlanta Intl. 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 Hartsfield-Jackson Atlanta Intl..  

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 Hartsfield-Jackson Atlanta Intl. (ATL)

The easiest way to view the best deals on flights from St. Louis to Atlanta 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 Hartsfield-Jackson Atlanta Intl. start at just £511 and range up to £626.  

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 Atlanta
  • booking your flight during September, 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 Atlanta 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 Hartsfield-Jackson Atlanta Intl. 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.  

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

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*Available to Expedia members.