The cheapest times to fly from ATL to SLU are

  • January 8th to February 11th
  • March 5th to March 25th
  • May 21st to June 17th
  • September 3rd to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ATL to SLU is late January. Prices can be as high as $1921 for Sunday flights during late July, or as low as $635 for Tuesday flights around late January.


When to Fly to Saint Lucia

Flying from Atlanta, GA (ATL) to St. Lucia (SLU) will usually cost between $673 to $1390 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $696. Due to high demand the most expensive time to fly is late July, with an average price of $1343. Planning your trip to low-cost times can easily save you $647 on economy flights and even more on first-class flights. Generally, any price below $761 can be considered a good price for a round-trip ATL to SLU flight.

See below for a graph of average weekly prices for the ATL to SLU route. All prices are for round-trip tickets in USD.

ATL to SLU Flight Prices

Compared to other flights, the ATL to SLU flight is cheaper than the average and costs less than the average flight leaving from Atlanta. The average price per mile (for a direct flight) is $0.24, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $185 (17%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $758. Return trip prices are from the SLU to ATL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ATL to SLU can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 35 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ATL to SLU while comparing.

Destination alternative #1: Grantley Adams International Airport (BGI) in Barbados/Bridgetown

  • 120 miles (193 km) away from SLU
  • Usually 25.82% less expensive than SLU
  • 1-layover flights available

See ATL to BGI flights

Destination alternative #2: Martinique Aime Cesaire Airport (FDF) in Fort de France

  • 39 miles (63 km) away from SLU
  • Usually 8.80% less expensive than SLU
  • 1-layover flights available

See ATL to FDF flights

Destination alternative #3: Maurice Bishop International Airport (GND) in Grenada

  • 149 miles (240 km) away from SLU
  • Usually 4.80% less expensive than SLU
  • Nonstop flights available

See ATL to GND flights


Flight Hacking ATL to SLU

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ATL to SLU — but Champion Traveler does!

Hack #1: Port of Spain (ATL > POS > SLU)

  • Price for both tickets: $655
  • Average savings: $106 (13.93%)

See ATL to POS flights

Hack #2: Fort Lauderdale, FL (ATL > FLL > SLU)

  • Price for both tickets: $758
  • Average savings: $4 (0.46%)

See ATL to FLL flights


Flight Questions Answered

Still have questions about flying from ATL to SLU? We’ve got answers.

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Air Canada, Air France, Caribbean Airlines, Delta, JetBlue, LIAT, United, and potentially more during busy seasons.

How far away is it from George F Charles Airport to Hartsfield-Jackson Atlanta International Airport?

The distance between the two airports is roughly 1998 miles or 3215 kilometers.

How long does it take to fly from ATL to SLU?

The real-world flight time for a nonstop ATL to SLU flight is about 4 hour 35 minutes.

How many flights go between Atlanta, GA and St. Lucia?

It depends on the day of the week and the date, but a typical day might have around 36 available flights from ATL to SLU.


Airport Location Info


Departing Airport

Origination code ATL
Origination airport name Hartsfield-Jackson Atlanta International Airport
City Atlanta, GA
Country the United States
Latitude 33.6
Longitude -84.4

Return Airport

Destination code SLU
Destination airport name George F Charles Airport
City St. Lucia
Country St Lucia
Latitude 14
Longitude -61


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.