Cheap flights from St Louis to Atlanta

One-way fares from $25 · STL → ATL · prices found by travellers in the last 48 hours

Compare all dates Atlanta → St Louis
Cheapest fare
$25

Frontier Airlines · Mon, Jan 4

Cheapest month
January

from $25

Direct flights
Yes

Frontier Airlines

Flight time
1h 58m

750 km

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Cheapest month to fly from St Louis to Atlanta

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $138
  2. January 2027 Cheapest $25

Cheapest dates in January 2027

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart18:21 Mon, Jan 4STL → ATL 1h 58m · Direct
$25one way, per person
View deal
See every date in January 2027 →

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Where to stay, what to do and getting around, from our travel partners.

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Things to do

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Getting around

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About flights from St Louis to Atlanta

St Louis (STL) and Atlanta (ATL) are about 750 km apart. Direct flights take around 1h 58m, and recent direct fares were with Frontier Airlines. Over the next few months, one-way fares start from $25, and January 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from St Louis to Atlanta?

The cheapest one-way fare we've seen recently is $25 with Frontier Airlines, departing Monday, January 4, 2027. Over the coming months, the lowest fare in each month ranges from $25 to $138.

What is the cheapest month to fly from St Louis to Atlanta?

January 2027 currently has the lowest fares, from $25 one way.

Are there direct flights from St Louis to Atlanta?

Yes. Recent direct fares were with Frontier Airlines.

How long is the flight from St Louis to Atlanta?

A direct flight takes about 1h 58m. St Louis and Atlanta are around 750 km apart.

Which airlines fly from St Louis to Atlanta?

Recent fares on this route were with Frontier Airlines.

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