To St. Louis

Cheap Flights from Atlanta to St. Louis

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Deals from

Atlanta

RatePunk searches hundreds of travel sites at once for deals on flights to St. Louis

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Atlanta to St. Louis

Explore current cheapest deals departing from Atlanta to St. Louis

Round trip

Sort by: Cheapest

August 26 - August 29

Cheapest

ATL - St. Louis

$161

$66

Round trip

August 22 - August 25

Cheapest

ATL - St. Louis

$161

$66

Round trip

August 4 - August 16

ATL - St. Louis

$132

$72

Round trip

July 1 - July 7

Earliest

ATL - St. Louis

$203

$75

Round trip

July 16 - July 25

ATL - St. Louis

$192

$75

Round trip

July 24 - July 27

ATL - St. Louis

$200

$75

Round trip

July 15 - July 20

ATL - St. Louis

$200

$75

Round trip

July 10 - July 13

Best

ATL - St. Louis

$207

$75

Round trip

July 8 - July 13

ATL - St. Louis

$203

$75

Round trip

July 8 - July 14

ATL - St. Louis

$200

$75

Round trip

Unlock all 500+ flight deals to St. Louis and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Atlanta to St. Louis

Fares for flights from Atlanta to St. Louis typically range from $59–$331, with a median of $111. Right now, fares are above the typical level. For travelers seeking cheap flights from Atlanta to St. Louis, it's worth noting that 41% of recent fares were classified as a good price. New deals appear almost daily, offering frequent opportunities to find competitive pricing.

When is the cheapest time to fly from Atlanta to St. Louis? The most affordable months to travel are May and April, both with a median fare of $68. October also presents a good value, with a median fare of $79.

How long is the flight from Atlanta to St. Louis? A typical journey, including connections, takes about 3h 42m. For this route, a meaningful share are non-stop, the rest connect once, with 56.9% of recent fares being direct flights from Atlanta to St. Louis. When connecting, itineraries typically involve 2 stopovers.

The distance between Atlanta and St. Louis is 779 kilometers, classifying this as a short-haul route. This relatively short distance contributes to the overall travel time and available flight options.

How much is a round trip from Atlanta to St. Louis

Regular price: $113 - $244

Prices for flights from Atlanta to St. Louis are currently below the regular range.

The regular price range for flights from Atlanta to St. Louis is typically between $113 and $244. The current lowest deal is $66 with Frontier Airlines, for travel from Aug 26-Aug 29.

now $66

Low $113

High $244

The cheapest time to fly from Atlanta to St. Louis

Flights from Atlanta to St. Louis are cheapest in April and May, with a median price of $68. The most expensive month to fly is January, with a median price of $220. Prices are generally lower from April to November.

April

Cheapest

Flights from $68

January

Most Expensive

Flights from $220

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Atlanta to St. Louis

Frontier Airlines

Last-minute flights going from Atlanta to St. Louis

Wed, Jul 1

⌛ Last-Minute

ATL - St. Louis

Atlanta (ATL) - St. Louis (STL)

Frontier Airlines

$203

$75

One-way

Wed, Jul 1

⌛ Last-Minute

ATL - St. Louis

Atlanta (ATL) - St. Louis (STL)

Frontier Airlines

$176

$76

One-way

Wed, Jul 1

⌛ Last-Minute

ATL - St. Louis

Atlanta (ATL) - St. Louis (STL)

Frontier Airlines

$184

$92

One-way

Mon, Jul 6

⌛ Last-Minute

ATL - St. Louis

Atlanta (ATL) - St. Louis (STL)

Frontier Airlines

$211

$76

One-way

Tue, Jul 7

⌛ Last-Minute

ATL - St. Louis

Atlanta (ATL) - St. Louis (STL)

Frontier Airlines

$210

$75

One-way

Tue, Jul 7

⌛ Last-Minute

ATL - St. Louis

Atlanta (ATL) - St. Louis (STL)

Frontier Airlines

$211

$75

One-way

Biggest price drops on these dates for flights from Atlanta to St. Louis

7 nights

Jul 14 - Jul 21

$334 → $117

65%

8 nights

Jul 7 - Jul 15

$333 → $117

65%

4 nights

Jul 14 - Jul 18

$347 → $172

50%

1 night

Jul 21 - Jul 22

$335 → $177

47%

Popular Airports to fly from Atlanta to St. Louis

Atlanta - St. Louis route insights

💸 Price insights

Recent ATL to STL fares are below the typical level.

Recent fares from Atlanta to St. Louis are below the typical level, with deals as low as $66.

📅 Best time to fly

Fly in April or May for the best prices.

Historically, the cheapest months to fly from Atlanta to St. Louis are April and May, with median prices around $68.

⏱️ Flight duration

Direct flights take 3h 42m on average.

The typical flight duration for this route is 3 hours and 42 minutes, classifying it as a short-haul journey.

✈️ Airlines & availability

Frontier Airlines offers direct flights.

Frontier Airlines provides direct flights on the Atlanta to St. Louis route, with frequent deals available.

🏆 Airline highlight

Frontier Airlines has direct flights from ATL to STL.

Frontier Airlines is a key carrier for direct flights between Atlanta and St. Louis.

🎯 Booking tip

Consider booking during April to November.

For better prices, consider booking flights from Atlanta to St. Louis during the period from April to November.

Atlanta main airports to depart from

Hartsfield–Jackson Atlanta International (ATL)

Cheapest

Hartsfield–Jackson Atlanta International Airport is a great choice for flights from Atlanta to St. Louis.

📍 ~15 km from city center (reachable by car or train)

💸 Flights from ~$66

St. Louis main airports to arrive at

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is the primary airport for arrivals to St. Louis, offering convenient access to the city.

📍 ~20 km from St. Louis (reachable by car, bus, metro).

💸 Flights from ~$66

Airports nearby St. Louis used as alternative

MidAmerica St. Louis (BLV)

Cheapest

MidAmerica St. Louis (BLV) can be a useful alternative, especially for budget routes on the Illinois side.

📍 ~55 km from St. Louis (reachable by car)

💸 Flights from ~$177

Columbia Regional (COU)

Columbia Regional (COU) offers a full range of cabin classes and serves the University of Missouri area.

📍 ~170 km from St. Louis (reachable by car)

💸 Flights from ~$298

Abraham Lincoln Capital (SPI)

Abraham Lincoln Capital (SPI) provides consistent regional service and includes Business class availability.

📍 ~155 km from St. Louis (reachable by car)

💸 Flights from ~$218

General Wayne A. Downing Peoria International (PIA)

General Wayne A. Downing Peoria International (PIA) is a larger regional airport offering multiple cabin classes.

📍 ~230 km from St. Louis (reachable by car)

💸 Flights from ~$261

Central Illinois Regional (BMI)

Central Illinois Regional (BMI) is an alternative for travelers willing to drive into Central Illinois.

📍 ~220 km from St. Louis (reachable by car)

💸 Flights from ~$230

Business & First Class Flight Deals to St. Louis

44% AI deal score

$2,508

From ATL

Elite

Jun 26

St. Louis, United States

44% AI deal score

$1,334

$1,205

Save $129

From ATL

Elite

Sep 11

St. Louis, United States

41% AI deal score

St. Louis, United States

33% AI deal score

$1,084

Frequently Asked Questions About Flights to St. Louis

Historically, the best prices for flights from Atlanta to St. Louis are found when booking between 28 and 59 days in advance. During this period, the average price is around $147. Booking within 0-6 days of departure typically sees prices rise to an average of $361. For those booking 7-13 days out, the average price is $370, indicating that earlier booking within the optimal window can lead to significant savings.

Across the trailing quarter, a flight from Atlanta to St. Louis is considered a good deal if it is priced at or below $59. The median price for this route historically stands at $111. Prices can go up to $331 or more for the higher end of the market, so aiming for prices under $59 represents a notable saving.

Historically, May and April have been the cheapest months to fly from Atlanta to St. Louis, with a median price of $68 for both. October also offers competitive pricing, with a median of $79. The annual median price for this route is $111, suggesting that these months provide opportunities for savings compared to the yearly average.

Related routes

Consider alternative routes from Atlanta

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