St Louis to Atlanta flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for St Louis to Atlanta is €20 with Frontier Airlines (checked on 5 Nov 2026).
Your next trip, last seen at €20
Lowest observedFrontier Airlines · Non-stop · One wayWhen to fly
Explore datesMore dates worth a look
Last seen for 1 traveller on 6 Nov 2026. Check today's price.
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- 1 Dec€65
- 2 Dec€20
- 3 Dec€65
- 4 Dec€26
- 5 Dec€65
- 6 Dec€109
- 7 Dec€23
- 8 Dec€70
- 9 Dec€23
- 10 Dec€70
- 11 Dec€59
- 12 Dec€70
- 13 Dec€110
- 14 Dec€54
- 15 Dec€67
- 16 Dec€21
- 17 Dec€65
- 18 Dec€26
- 19 Dec€21
- 20 Dec€110
- 21 Dec€21
- 22 Dec€82
- 23 Dec€73
- 24 Dec€65
- 25 Dec€26
- 26 Dec€131
- 29 Dec€87
- 30 Dec€22
- 31 Dec€94
- Lowest observed
- €20, departing 2 Dec 2026 (Last checked: 5 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 87Check live prices for this route
- Non-stop, one way
- €20, departing 2 Dec 2026 (Last checked: 6 Nov 2026)
- Airlines seen
- Delta Air Lines, Frontier Airlines, Southwest Airlines, American Airlines, United Airlines
- Reported fastest flight
- 1h 30m
- Non-stop
- Yes
About this route
Explore the fares we observed from St Louis to Atlanta. Prices move often, so pick your dates to see the latest options.
- Route distance
- 752 km
- Reported fastest flight
- 1h 30m
- Airlines seen
- Delta Air Lines, Frontier Airlines, Southwest Airlines, American Airlines, United Airlines
- Alternative airports
- SUS, PDK
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days |
|---|---|
| Frontier Airlines | 13 / 76 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- St. Louis Lambert International Airport (STL) → St Louis, city gazetteer reference point (38.6270, -90.1994): ≈ 20 km.
- Hartsfield Jackson Atlanta International Airport (ATL) → Atlanta, city gazetteer reference point (33.7490, -84.3880): ≈ 13 km.
- DeKalb Peachtree Airport (PDK) → Atlanta, city gazetteer reference point (33.7490, -84.3880): ≈ 16 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from St Louis to Atlanta: December 2026, from €20 (checked 5 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €92 | 7 |
| December 2026 | €20 | 29 |
| January 2027 | €23 | 24 |
| February 2027 | €65 | 24 |
| March 2027 | €80 | 3 |
Lowest fare by day of the week
Cheapest day of the week from St Louis to Atlanta: Wednesday, from €20 (checked 5 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €21 | 13 |
| Tuesday | €65 | 8 |
| Wednesday | €20 | 16 |
| Thursday | €65 | 12 |
| Friday | €26 | 14 |
| Saturday | €21 | 14 |
| Sunday | €108 | 10 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from St Louis to Atlanta by days until departure (8 to 30 days): €20 (checked 5 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | €20 | 15 |
| 31 to 60 days | €21 | 25 |
| 61 days or more | €61 | 46 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Frequently asked
How much is a flight from St Louis to Atlanta?
The lowest fare Routavio has observed is €20, found on 5 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from St Louis to Atlanta?
Cheapest month from St Louis to Atlanta: December 2026, from €20 (checked 5 Nov 2026).
Are there direct flights from St Louis to Atlanta?
Yes. Published schedules report non-stop flights on this route with Delta Air Lines, Frontier Airlines, Southwest Airlines.
Which airlines fly from St Louis to Atlanta?
Routavio has seen these carriers on the route: Delta Air Lines, Frontier Airlines, Southwest Airlines, American Airlines, United Airlines.
How long does the flight from St Louis to Atlanta take?
Across the 122 fares Routavio observed, the average journey time is 11h 15m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed St Louis to Atlanta fares were non-stop?
28 of the 122 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a non-stop flight from St Louis to Atlanta?
Cheapest non-stop one-way fare: €20, departing 2 Dec 2026 (checked 6 Nov 2026).
Which airlines had non-stop offers on at least 3 departure dates from St Louis to Atlanta?
For St Louis to Atlanta, examples of observed one-way non-stop offers checked within the last 14 days: Frontier Airlines (13). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from St Louis to Atlanta?
Cheapest day of the week from St Louis to Atlanta: Wednesday, from €20 (checked 5 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.