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Cheap flights from St. Louis to Atlanta from $19

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Atlanta departing on 12/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:42 am - 1:27 pmSTL-ATL
1h 45mnonstop
Frontier Logo
8:00 pm - 10:02 amATL-STL
15h 02m1 stop
$113Frontier
Find Deal
qui, jan 8 - dom, jan 11
Frontier Logo
12:04 pm - 2:49 pmSTL-ATL
1h 45mnonstop
Frontier Logo
3:45 pm - 10:33 pmATL-STL
7h 48m1 stop
$114Frontier
Find Deal
qui, dez 4 - qui, dez 11
Frontier Logo
4:56 pm - 7:39 pmSTL-ATL
1h 43mnonstop
Frontier Logo
8:23 am - 1:17 pmATL-STL
5h 54m1 stop
$115Frontier
Find Deal
sex, nov 14 - seg, nov 17
Frontier Logo
3:14 pm - 5:57 pmSTL-ATL
1h 43mnonstop
Frontier Logo
10:15 am - 11:07 amATL-STL
1h 52mnonstop
$117Frontier
Find Deal
qui, nov 27 - qui, dez 4
Frontier Logo
11:07 am - 1:47 pmSTL-ATL
1h 40mnonstop
Frontier Logo
9:25 am - 10:12 amATL-STL
1h 47mnonstop
$120Frontier
Find Deal
qui, nov 13 - dom, nov 16
Frontier Logo
12:04 pm - 2:49 pmSTL-ATL
1h 45mnonstop
Frontier Logo
8:55 am - 9:40 amATL-STL
1h 45mnonstop
$124Frontier
Find Deal
qui, dez 11 - dom, dez 21
Frontier Logo
2:12 pm - 2:52 pmSTL-ATL
23h 40m1 stop
Frontier Logo
9:25 am - 10:12 amATL-STL
1h 47mnonstop
$125Frontier
Find Deal
qui, nov 13 - dom, nov 16
Frontier Logo
10:42 am - 1:27 pmSTL-ATL
1h 45mnonstop
Frontier Logo
10:46 pm - 8:59 amATL-STL
11h 13m1 stop
$127Frontier
Find Deal
sex, dez 5 - dom, dez 7
Multiple Airlines Logo
10:53 am - 12:07 amSTL-ATL
12h 14m1 stop
Multiple Airlines Logo
10:15 am - 11:07 amATL-STL
1h 52mnonstop
$133Multiple Airlines
Find Deal
qui, nov 27 - qui, dez 4
Multiple Airlines Logo
11:51 am - 9:40 pmSTL-ATL
8h 49m1 stop
Multiple Airlines Logo
8:55 am - 9:40 amATL-STL
1h 45mnonstop
$145Multiple Airlines
Find Deal
ter, dez 23 - dom, dez 28

Frontier flights from St. Louis to Atlanta

Our best Frontier deals on St. Louis to Atlanta flight tickets
Frontier
Jan 8
STL10:42 amLambert-St Louis
1h 45m
ATL1:27 pmAtlanta Hartsfield-Jackson
Jan 11
ATL8:00 pmAtlanta Hartsfield-Jackson
15h 02m
1 stop
STL10:02 amLambert-St Louis
$113
Find similar
Frontier
Dec 4
STL12:04 pmLambert-St Louis
1h 45m
ATL2:49 pmAtlanta Hartsfield-Jackson
Dec 11
ATL3:45 pmAtlanta Hartsfield-Jackson
7h 48m
1 stop
STL10:33 pmLambert-St Louis
$114
Find similar
Frontier
Nov 14
STL4:56 pmLambert-St Louis
1h 43m
ATL7:39 pmAtlanta Hartsfield-Jackson
Nov 17
ATL8:23 amAtlanta Hartsfield-Jackson
5h 54m
1 stop
STL1:17 pmLambert-St Louis
$115
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Atlanta that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated outubro 30, 2025.
Use the filters below to find and compare flights from St. Louis to Atlanta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

qui 1/8

10:42 am-1:27 pm

Nonstop1h 45m

Atlanta Hartsfield-Jackson

dom 1/11

8:00 pm-10:02 am

1 stop15h 02m

$113

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

qui 12/4

12:04 pm-2:49 pm

Nonstop1h 45m

Atlanta Hartsfield-Jackson

qui 12/11

3:45 pm-10:33 pm

1 stop7h 48m

$114

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

sex 11/14

4:56 pm-7:39 pm

Nonstop1h 43m

Atlanta Hartsfield-Jackson

seg 11/17

8:23 am-1:17 pm

1 stop5h 54m

$115

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

qui 11/27

3:14 pm-5:57 pm

Nonstop1h 43m

Atlanta Hartsfield-Jackson

qui 12/4

10:15 am-11:07 am

Nonstop1h 52m

$117

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

qui 11/13

11:07 am-1:47 pm

Nonstop1h 40m

Atlanta Hartsfield-Jackson

dom 11/16

9:25 am-10:12 am

Nonstop1h 47m

$120

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

qui 12/11

12:04 pm-2:49 pm

Nonstop1h 45m

Atlanta Hartsfield-Jackson

dom 12/21

8:55 am-9:40 am

Nonstop1h 45m

$124

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

qui 11/13

2:12 pm-2:52 pm

1 stop23h 40m

Atlanta Hartsfield-Jackson

dom 11/16

9:25 am-10:12 am

Nonstop1h 47m

$125

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

sex 12/5

10:42 am-1:27 pm

Nonstop1h 45m

Atlanta Hartsfield-Jackson

dom 12/7

10:46 pm-8:59 am

1 stop11h 13m

$127

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

qui 11/27

10:53 am-12:07 am

1 stop12h 14m

Atlanta Hartsfield-Jackson

qui 12/4

10:15 am-11:07 am

Nonstop1h 52m

$133

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

ter 12/23

11:51 am-9:40 pm

1 stop8h 49m

Atlanta Hartsfield-Jackson

dom 12/28

8:55 am-9:40 am

Nonstop1h 45m

$145

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Atlanta from

How to get the cheapest flight ticket from St. Louis to Atlanta

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Atlanta?

The month of July is, on average, the cheapest month to fly to Atlanta from St. Louis, with most prices found around $207. If you aren’t able to travel to Atlanta during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $222.

What is the cheapest day to depart on your flight to Atlanta?

Our data shows that Thursday is the least expensive day to fly to Atlanta. Tickets to fly out on this day can be as low as $433. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Atlanta on Sunday is $574.

What is the cheapest time of day to depart on your flight to Atlanta?

The cheapest time of day to fly to Atlanta is in the evening when flights can be purchased for as low as $485. Flights to Atlanta are more costly in the afternoon, with an average ticket price of $652. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Lambert-St Louis to Atlanta Hartsfield-Jackson flight route?

Fly from Lambert-St Louis to Atlanta Hartsfield-Jackson for the best Lambert-St Louis - Atlanta Hartsfield-Jackson flight prices

How far in advance should I book a flight to Atlanta?

You are more likely to see cheaper flights to Atlanta from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Atlanta for around $289 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Atlanta from St. Louis for as low as $223 on momondo.

What cabin class options are available on Lambert-St Louis to Atlanta Hartsfield-Jackson flights?

There are 4 cabin classes available to choose from on Lambert-St Louis to Atlanta Hartsfield-Jackson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have St. Louis to Atlanta flight prices changed over time?

As of October 2025, prices for St. Louis to Atlanta flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Atlanta

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Atlanta according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Atlanta (STL to ATL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Atlanta

Best Price Found

$131

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Atlanta

1 airport
The best one-way flight to Atlanta from St. Louis in the past 72 hours is $131. The best round-trip flight deal from St. Louis to Atlanta found on momondo in the last 72 hours is $269.
The fastest flight from St. Louis to Atlanta takes 1h 30m
Direct flights go from St. Louis to Atlanta every day.
There is 1 airport near Atlanta: Atlanta Hartsfield-Jackson (ATL)
Search flight deals

  • How far is Lambert-St Louis to Atlanta Hartsfield-Jackson by plane?

    A flight from Lambert-St Louis to Atlanta Hartsfield-Jackson will travel around 466.6 mi. Typically, this will take 1h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport?

    Prices for flights from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Atlanta Hartsfield-Jackson Airport.

  • What documentation or ID do you need to fly to Atlanta Hartsfield-Jackson Airport?

    The travel and health documents required for your trip to Atlanta Hartsfield-Jackson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Atlanta Hartsfield-Jackson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from St. Louis to Atlanta?

  • What is the most popular airline from St. Louis to Atlanta?

Best airlines flying from St. Louis to Atlanta

Compare and see reviews for airlines that fly from St. Louis to Atlanta with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $81Free CancellationRating
5.8
3,123 reviews
Search Frontier flights
SouthwestPriceFrom $188Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $195Free CancellationRating
7.9
7,993 reviews
Search Delta flights
American AirlinesPriceFrom $207Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights

  • Southwest Flights From St. Louis to Atlanta

    Southwest operates around 5 flights from St. Louis to Atlanta every week. The average price of these flights found in the last 72 hours has been $311, but momondo users have found Southwest deals from St. Louis to Atlanta from as low as $188 round-trip. Southwest has been scored 8.0/10 in 4,242 reviews.

  • Delta Flights From St. Louis to Atlanta

    Across 7,993 Delta reviews on momondo, the average score is 7.9/10. Delta flies from St. Louis to Atlanta about 10 times each week, with ticket deals ranging from $195 to $319. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Helen
Marietta
McDonough
Blue Ridge
Duluth
Athens
Warner Robins
Dahlonega
Lawrenceville
Stone Mountain
Norcross
Covington
Cartersville
Gadsden
Auburn
Newnan
Conyers
Kennesaw
Gainesville
La Grange

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Atlanta?

Finding the right flight to Atlanta from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Atlanta quick and easy, saving you time and money.

Can I find flights from St. Louis to Atlanta with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Atlanta from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Atlanta?

momondo provides multiple filters to help you find the best flight to Atlanta from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Atlanta right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Atlanta flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Atlanta trip

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