HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Port St. Lucie

$39+ Cheap flights from Atlanta (ATL) to Port St. Lucie, FL

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — MCO
mai 3 — mai 101
sam. 5/3
sam. 5/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Atlanta to Port St. Lucie with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Port St. Lucie are usually found in September or August, booked 49 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Atlanta to Port St. Lucie

Keep the following information in mind while searching for Atlanta to Port St. Lucie flight deals. Data was last updated avril 28, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$83
(Frontier)

One-way from

$39
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$178
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Fort Lauderdale flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Fort Lauderdale flights.
Search Deals
From Atlanta Hartsfield-Jackson to Port St. Lucie
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Port St. Lucie
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Atlanta to Port St. Lucie

Cheapest flights from Atlanta to Port St. Lucie
Explore the most affordable flight options available from Atlanta to Port St. Lucie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 28, 2025.

This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/710:59 amATL - FLL
Nonstop1h 58mFrontier
mar. 5/203:07 pmFLL - ATL
Nonstop2h 19mFrontier
Deal found 4/27$83
This Justfly.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/145:20 amATL - FLL
Nonstop1h 50mMultiple Airlines
mer. 5/215:03 pmFLL - ATL
Nonstop2h 25mMultiple Airlines
Deal found 4/28$85
This Priceline deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/115:20 amATL - FLL
Nonstop1h 50mSpirit Airlines
mar. 5/137:40 amFLL - ATL
Nonstop1h 58mSpirit Airlines
Deal found 4/28$99
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/246:10 pmATL - FLL
1 stop4h 43mAmerican Airlines
dim. 5/256:00 amFLL - ATL
1 stop4h 29mAmerican Airlines
Deal found 4/28$223

Cheapflights Fare Finder

Customize your flight search to find flights from Atlanta to Port St. Lucie that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated avril 28, 2025.
Use the filters below to find and compare flights from Atlanta to Port St. Lucie that are best for you.

Fly from

Atlanta

Fly to

Port St. Lucie

Route

Depart

Return

Price

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

sam. 5/10

6:53 am-8:49 am

Nonstop1h 56m

Fort Lauderdale

sam. 5/17

3:48 pm-5:57 pm

Nonstop2h 09m

$83

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

mer. 5/14

5:20 am-7:10 am

Nonstop1h 50m

Fort Lauderdale

mer. 5/21

5:03 pm-7:28 pm

Nonstop2h 25m

$85

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

sam. 5/17

7:16 pm-9:11 pm

Nonstop1h 55m

Fort Lauderdale

ven. 5/23

10:33 pm-12:34 am

Nonstop2h 01m

$86

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

mer. 7/2

11:15 am-3:30 pm

1 stop4h 15m

Fort Lauderdale

mer. 7/9

6:10 am-4:50 pm

2 stops10h 40m

$216

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

dim. 6/29

4:01 pm-9:11 pm

1 stop5h 10m

Fort Lauderdale

mer. 7/2

5:20 pm-9:59 pm

1 stop4h 39m

$222

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

ven. 6/6

9:21 pm-11:09 pm

Nonstop1h 48m

Fort Lauderdale

lun. 6/9

6:34 am-8:25 am

Nonstop1h 51m

$233

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

sam. 5/17

7:16 pm-9:11 pm

Nonstop1h 55m

$39

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

mer. 5/14

10:39 am-12:37 pm

Nonstop1h 58m

$43

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

sam. 8/30

1:40 pm-3:39 pm

Nonstop1h 59m

$86

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

mer. 8/6

9:00 am-5:27 pm

2 stops8h 27m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 13 results
1
2

Best time to book a flight from Atlanta to Port St. Lucie

Have a flexible travel schedule? Discover the best time to fly to Port St. Lucie from Atlanta with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Port St. Lucie

How far ahead should I book a flight from Atlanta to Port St. Lucie?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to Port St. Lucie. Price data was last updated on April 25, 2025.

The best time to book flights from Atlanta to Port St. Lucie is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Atlanta to Port St. Lucie?

Currently, May is the cheapest month in which you can book a flight from Atlanta to Port St. Lucie (average of $206). Flying from Atlanta to Port St. Lucie in November is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ATL to LU5?

Find hourly flight availability from Atlanta to Port St. Lucie. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated avril 28, 2025.

When flying from Atlanta to Port St. Lucie, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Atlanta to Port St. Lucie?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Port St. Lucie. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Atlanta to Port St. Lucie flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Atlanta to Port St. Lucie

Explore weekly flight availability from Atlanta to Port St. Lucie. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated avril 28, 2025.

The most flights from ATL to LU5 are scheduled on a Monday (88 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (66 on average).

Rainfall in Port St. Lucie by month

Plan your trip to Port St. Lucie by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Port St. Lucie ranges from 1.8 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. February is typically the driest time to visit Port St. Lucie when rainfall is around 1.8 in.

Temperature in Port St. Lucie by month

Plan your trip to Port St. Lucie by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Port St. Lucie, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 66.2 F).

Reviews of airlines servicing Port St. Lucie

Get insights into the airlines that provide service to Port St. Lucie. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Port St. Lucie. Reviews last updated avril 28, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Atlanta to Port St. Lucie by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,292 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,292 reviews
Southwest
8.0
Very good
4,292 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,929 reviews
Southwest
8.0
Very good
4,292 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,292 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,292 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Spirit Airlines
6.3
Okay
7,956 reviews
Southwest
8.0
Very good
4,292 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Port St. Lucie. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Atlanta to Port St. Lucie?

    Located just 8.2 mi from the city center, Atlanta Hartsfield-Jackson is the airport most travelers will use when flying to Port St. Lucie from Atlanta. Booking flights from Hartsfield-Jackson (ATL) to Port St. Lucie should be relatively easy as there are 52 daily outbound flights to Port St. Lucie from 6 different airlines.

  • What are the cheapest airlines to fly from Atlanta to Port St. Lucie one-way?

    $39 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Southwest, with prices starting from $43 and $120, respectively.

  • What are the most reliable airlines from Atlanta to Port St. Lucie?

    No one likes to see their flight delayed. When booking a flight from Atlanta to Port St. Lucie consider choosing Spirit Airlines (80%), WestJet (74%) or Southwest (69%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Atlanta to Port St. Lucie?

    Looking for the cheapest flight from Atlanta to Port St. Lucie? While on average our users pay $146, our data indicates the cheapest price to be $43. The most popular route (Atlanta Hartsfield-Jackson - Fort Lauderdale), is priced around $75.

  • Can I find deals for flights from Atlanta to Port St. Lucie that include hotel bookings?

    Yes. In addition to deals on Atlanta to Port St. Lucie flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Atlanta to Port St. Lucie?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Port St. Lucie.

  • Can I find deals for business class flights from Atlanta to Port St. Lucie?

    Yes. Cheapflights offers flight deals from Atlanta to Port St. Lucie by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Atlanta to Port St. Lucie?

    Currently, May is the cheapest month in which you can book a flight from Atlanta to Port St. Lucie (average of $206). Flying from Atlanta to Port St. Lucie in November is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Atlanta to Port St. Lucie

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to Miami flights
Atlanta to Fort Lauderdale flights
Atlanta to Orlando flights
Atlanta to Tampa flights
Atlanta to Fort Myers flights
Atlanta to West Palm Beach flights
Jacksonville to Miami flights
Chattanooga to Pensacola flights
Atlanta to Jacksonville flights
Atlanta to Sarasota flights
Atlanta to Key West flights
Chattanooga to Orlando flights
Jacksonville to Fort Lauderdale flights
Savannah to Miami flights
Chattanooga to Sarasota flights
Chattanooga to Fort Lauderdale flights
Asheville to Fort Lauderdale flights
Chattanooga to Miami flights
Chattanooga to Tampa flights
Chattanooga to Fort Myers flights
Atlanta to Panama City flights
Atlanta to Pensacola flights
Tallahassee to Fort Lauderdale flights
Atlanta to Daytona Beach flights
Chattanooga to West Palm Beach flights
Tallahassee to Miami flights
Chattanooga to Orlando Sanford Intl flights
Asheville to Tampa flights
Jacksonville to Key West flights
Asheville to Sarasota flights
Asheville to Orlando flights
Asheville to Orlando Sanford Intl flights
Savannah to Tampa flights
Asheville to Miami flights
Savannah to Fort Lauderdale flights
Jacksonville to Orlando flights
Chattanooga to Panama City flights
Augusta to Miami flights
Augusta to Fort Lauderdale flights
Atlanta to Melbourne flights
Asheville to Key West flights
Chattanooga to Daytona Beach flights
Tallahassee to West Palm Beach flights
Augusta to Fort Myers flights
Asheville to Melbourne flights
Jacksonville to Tampa flights
Atlanta to Gainesville flights
Tallahassee to Key West flights
Chattanooga to Jacksonville flights
Augusta to Key West flights

Top 6 airlines flying from Atlanta to Port St. Lucie

Discover the top 6 airlines that operate flights from Atlanta to Port St. Lucie. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated avril 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$37Average$127FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$42Average$109FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$68Average$93FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$290FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$139Average$292FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$165Average$329FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.