STL → ATL

Find and Compare the Cheapest Ways to Fly from St. Louis to Atlanta

Compare one-way, round-trip and flight + hotel packages from St. Louis to Atlanta, a nonstop flight of about 1h 30m, with fares from around 115.

St. Louis to Atlanta flight facts

St. Louis to Atlanta is a domestic route covering about 484 miles, arriving at Hartsfield-Jackson Atlanta International Airport (ATL) in United States. Peak travel season in Atlanta runs April–May & September–October (warm and pleasant), while December–February is usually the quietest and best-value time to visit.

Key facts for flights from St. Louis to Atlanta
Departing fromSt. Louis Lambert International Airport (STL)
Arriving atHartsfield-Jackson Atlanta International Airport (ATL)
Distance484 miles (779 km)
Nonstop flight timeAbout 1h 30m
Round-trip fares from$115 (estimate)
Cheapest monthsJanuary, February, October
Peak season in AtlantaApril–May & September–October
Cheapest hotel months in AtlantaDecember–February
Best time to book1 to 3 months ahead
Route info updatedOctober 16, 2026

When to visit Atlanta

  • Peak season

    April–May & September–October

    Warm and pleasant

  • Shoulder season

    March, June & November

    Mild to warm

  • Off-peak season

    December–February

    Cool and quiet

Estimated round-trip fares by month, St. Louis to Atlanta

Estimated lowest round-trip fare per month
MonthFares from
January$115
February$115
March$150
April$130
May$130
June$160
July$170
August$170
September$125
October$120
November$150
December$175

Flying from St. Louis to Atlanta

Airlines Flying this Route

Ducoffs.com compares full-service and low-cost airlines flying between St. Louis and Atlanta in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.

Best Time to Book Flights from St. Louis to Atlanta

Fares on this route tend to be lowest in January, February, and October. For the best selection, book about 1 to 3 months before departure and stay flexible by a day or two.

Average Travel Duration

St. Louis and Atlanta are about 484 miles apart. A nonstop flight takes roughly 1h 30m; connecting itineraries usually add 2 to 5 hours.

St. Louis to Atlanta flight questions

How can I find the absolute cheapest flight from St. Louis to Atlanta?

The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.

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

Based on typical seasonal demand, January, February, and October tend to offer the lowest fares on this route, with estimated round-trip prices starting around $115. Live prices change daily, so run a search for your exact dates.

How long is the flight from St. Louis to Atlanta?

St. Louis and Atlanta are about 484 miles apart. A nonstop flight takes roughly 1h 30m, while connecting itineraries usually add 2 to 5 hours depending on the layover.

When are hotels cheapest in Atlanta?

Hotel rates in Atlanta are usually lowest in December–February, when demand is quieter, and highest during peak season (April–May & September–October). Booking your flight and hotel together can save up to 30%.

Which airport do I fly into for Atlanta?

This route arrives at Hartsfield-Jackson Atlanta International Airport (ATL). Your search results also show nearby airports when they offer a cheaper or faster option.

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

For this route, booking about 1 to 3 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.

Is it cheaper to bundle flights and hotels together?

Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.