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Cheap flights from St. Louis to Atlanta from $28

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 2/14. 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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Find the cheapest flights from St. Louis to Atlanta

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:20 pm - 11:00 pm
STL
-
ATL
1h 40mnonstop
Frontier Logo
6:00 am - 6:51 am
ATL
-
STL
1h 51mnonstop
$83Frontier
Fri, Feb 13 - Mon, Feb 16
Frontier Logo
8:13 pm - 10:59 pm
STL
-
ATL
1h 46mnonstop
Frontier Logo
9:40 am - 10:30 am
ATL
-
STL
1h 50mnonstop
$87Frontier
Mon, Apr 20 - Thu, Apr 23
Frontier Logo
1:09 pm - 3:53 pm
STL
-
ATL
1h 44mnonstop
Frontier Logo
12:28 pm - 1:19 pm
ATL
-
STL
1h 51mnonstop
$88Frontier
Fri, Mar 6 - Mon, Mar 9
Frontier Logo
8:17 pm - 10:57 pm
STL
-
ATL
1h 40mnonstop
Frontier Logo
6:00 am - 3:53 pm
ATL
-
STL
10h 53m
1 stop
$93Frontier
Sat, Feb 21 - Wed, Feb 25
Frontier Logo
12:16 pm - 2:56 pm
STL
-
ATL
1h 40mnonstop
Frontier Logo
9:46 am - 10:37 am
ATL
-
STL
1h 51mnonstop
$97Frontier
Mon, Mar 16 - Wed, Mar 18
Frontier Logo
5:18 pm - 7:18 pm
STL
-
ATL
25h 00m
1 stop
Frontier Logo
12:28 pm - 1:19 pm
ATL
-
STL
1h 51mnonstop
$98Frontier
Wed, Mar 4 - Mon, Mar 9
Frontier Logo
3:49 pm - 5:53 pm
STL
-
ATL
25h 04m
1 stop
Frontier Logo
6:00 am - 6:51 am
ATL
-
STL
1h 51mnonstop
$99Frontier
Tue, Feb 24 - Mon, Mar 2
Multiple Airlines Logo
8:22 pm - 11:06 pm
STL
-
ATL
1h 44mnonstop
Multiple Airlines Logo
4:27 pm - 10:27 pm
ATL
-
STL
7h 00m
1 stop
$101Multiple Airlines
Sat, Feb 7 - Tue, Feb 10
Frontier Logo
10:11 pm - 1:04 pm
STL
-
ATL
13h 53m
1 stop
Frontier Logo
6:00 am - 6:51 am
ATL
-
STL
1h 51mnonstop
$102Frontier
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
8:17 pm - 10:57 pm
STL
-
ATL
1h 40mnonstop
Frontier Logo
10:56 pm - 12:27 am
ATL
-
STL
26h 31m
1 stop
$103Frontier
Sat, Feb 14 - Thu, Feb 19

Frontier flights from St. Louis to Atlanta

Our best Frontier deals on St. Louis to Atlanta flight tickets
Frontier
Feb 13
STL8:20 pmLambert-St Louis
1h 40m
ATL11:00 pmAtlanta Hartsfield-Jackson
Feb 16
ATL6:00 amAtlanta Hartsfield-Jackson
1h 51m
STL6:51 amLambert-St Louis
$83
Frontier
Apr 20
STL8:13 pmLambert-St Louis
1h 46m
ATL10:59 pmAtlanta Hartsfield-Jackson
Apr 23
ATL9:40 amAtlanta Hartsfield-Jackson
1h 50m
STL10:30 amLambert-St Louis
$87
Frontier
Mar 6
STL1:09 pmLambert-St Louis
1h 44m
ATL3:53 pmAtlanta Hartsfield-Jackson
Mar 9
ATL12:28 pmAtlanta Hartsfield-Jackson
1h 51m
STL1:19 pmLambert-St Louis
$88

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 January 28, 2026.
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

Fri 2/13

8:20 pm-11:00 pm

Nonstop1h 40m

Atlanta Hartsfield-Jackson

Mon 2/16

6:00 am-6:51 am

Nonstop1h 51m

$83

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Mon 4/20

8:13 pm-10:59 pm

Nonstop1h 46m

Atlanta Hartsfield-Jackson

Thu 4/23

9:40 am-10:30 am

Nonstop1h 50m

$87

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Fri 3/6

1:09 pm-3:53 pm

Nonstop1h 44m

Atlanta Hartsfield-Jackson

Mon 3/9

12:28 pm-1:19 pm

Nonstop1h 51m

$88

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Sat 2/21

8:17 pm-10:57 pm

Nonstop1h 40m

Atlanta Hartsfield-Jackson

Wed 2/25

6:00 am-3:53 pm

1 stop10h 53m

$93

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Mon 3/16

12:16 pm-2:56 pm

Nonstop1h 40m

Atlanta Hartsfield-Jackson

Wed 3/18

9:46 am-10:37 am

Nonstop1h 51m

$97

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Wed 3/4

5:18 pm-7:18 pm

1 stop25h 00m

Atlanta Hartsfield-Jackson

Mon 3/9

12:28 pm-1:19 pm

Nonstop1h 51m

$98

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Tue 2/24

3:49 pm-5:53 pm

1 stop25h 04m

Atlanta Hartsfield-Jackson

Mon 3/2

6:00 am-6:51 am

Nonstop1h 51m

$99

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Sat 2/7

8:22 pm-11:06 pm

Nonstop1h 44m

Atlanta Hartsfield-Jackson

Tue 2/10

4:27 pm-10:27 pm

1 stop7h 00m

$101

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Thu 2/26

10:11 pm-1:04 pm

1 stop13h 53m

Atlanta Hartsfield-Jackson

Mon 3/2

6:00 am-6:51 am

Nonstop1h 51m

$102

St. LouisAtlanta

STL - ATL

STLATL

Lambert-St Louis

Sat 2/14

8:17 pm-10:57 pm

Nonstop1h 40m

Atlanta Hartsfield-Jackson

Thu 2/19

10:56 pm-12:27 am

1 stop26h 31m

$103

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 $382. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Atlanta on Wednesday is $557.

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 morning when flights can be purchased for as low as $459. Flights to Atlanta are more costly in the afternoon, with an average ticket price of $586. 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 $266 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 $198 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 January 2026, prices for St. Louis to Atlanta flights are approximately 4% 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

$184

Fastest flight time

1h 34m

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 $184. The best round-trip flight deal from St. Louis to Atlanta found on momondo in the last 72 hours is $320.
The fastest flight from St. Louis to Atlanta takes 1h 34m
Direct flights go from St. Louis to Atlanta every day.
There is 1 airport in Atlanta. From St. Louis there are direct flights to 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 34m 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 $64Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
DeltaPriceFrom $163Free CancellationRating
7.9
8,124 reviews
Search Delta flights
SouthwestPriceFrom $187Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $206Free CancellationRating
7.2
11,201 reviews
Search American Airlines flights

  • Southwest Flights From St. Louis to Atlanta

    Southwest operates around 15 flights from St. Louis to Atlanta every week. The average price of these flights found in the last 72 hours has been $300, but momondo users have found Southwest deals from St. Louis to Atlanta from as low as $187 round-trip. Southwest has been scored 8.0/10 in 4,267 reviews.

  • Delta Flights From St. Louis to Atlanta

    Across 8,124 Delta reviews on momondo, the average score is 7.9/10. Delta flies from St. Louis to Atlanta about 28 times each week, with ticket deals ranging from $163 to $300. 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
Duluth
McDonough
Blue Ridge
Warner Robins
Stone Mountain
Lawrenceville
Cartersville
Auburn
Covington
Dahlonega
Norcross
Gadsden
Conyers
Kennesaw
Newnan
Douglasville
Lithonia
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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