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Port St. Lucie

$43+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — MCO
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Port St. Lucie are usually found in September or October, booked 49 days in advance, depart on a Wednesday or Thursday 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 septiembre 11, 2025.

Round-trip from

$80
(CheapOair)

One-way from

$43
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$128
From Atlanta Hartsfield-Jackson to Port St. Lucie
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One-way flight from Atlanta Hartsfield-Jackson to Port St. Lucie
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Highest demand for flights based on searches. 8% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 11, 2025.

This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/118:52 pmATL - FLL
Nonstop1h 57mFrontier
lun. 10/136:00 amFLL - ATL
Nonstop2h 13mFrontier
Deal found 9/10$80
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/1010:25 pmATL - FLL
Nonstop1h 55mFrontier
mar. 10/146:30 pmFLL - ATL
Nonstop2h 19mFrontier
Deal found 9/10$81
This Frontier deal was found by Cheapflights users on 9/10. 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.
lun. 10/69:56 pmATL - FLL
Nonstop1h 56mFrontier
vie. 10/106:00 amFLL - ATL
Nonstop2h 13mFrontier
Deal found 9/10$82
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/208:59 pmATL - FLL
Nonstop2h 08mFrontier
mié. 9/2411:45 amFLL - ATL
Nonstop2h 09mFrontier
Deal found 9/11$83
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/2610:15 pmATL - FLL
Nonstop1h 55mFrontier
mar. 10/2811:15 amFLL - ATL
Nonstop2h 09mFrontier
Deal found 9/10$84
This Priceline deal was found by Cheapflights users on 9/11. 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.
jue. 10/95:31 pmATL - FLL
Nonstop1h 49mMultiple Airlines
mar. 10/146:30 pmFLL - ATL
Nonstop2h 19mMultiple Airlines
Deal found 9/11$85
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/1511:54 amATL - FLL
Nonstop1h 51mSpirit Airlines
vie. 9/1910:30 pmFLL - ATL
Nonstop1h 58mSpirit Airlines
Deal found 9/10$86
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/259:56 pmATL - FLL
Nonstop1h 56mFrontier
lun. 9/296:54 pmFLL - ATL
Nonstop2h 26mFrontier
Deal found 9/9$87
This Priceline deal was found by Cheapflights users on 9/10. 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.
sáb. 9/208:59 pmATL - FLL
Nonstop2h 08mMultiple Airlines
mar. 9/238:50 amFLL - ATL
Nonstop1h 56mMultiple Airlines
Deal found 9/10$88
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/39:56 pmATL - FLL
Nonstop1h 56mFrontier
vie. 10/106:00 amFLL - ATL
Nonstop2h 13mFrontier
Deal found 9/10$89
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/235:27 amATL - FLL
Nonstop1h 53mSpirit Airlines
sáb. 9/278:50 amFLL - ATL
Nonstop1h 56mSpirit Airlines
Deal found 9/9$90
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1110:23 amATL - FLL
Nonstop1h 57mSpirit Airlines
mié. 9/171:17 pmFLL - ATL
Nonstop1h 57mSpirit Airlines
Deal found 9/8$91

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 septiembre 11, 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

mié. 1/7

8:00 am-9:54 am

Nonstop1h 54m

Fort Lauderdale

dom. 1/11

2:45 pm-4:38 pm

Nonstop1h 53m

$117

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

vie. 11/14

5:47 am-7:40 am

Nonstop1h 53m

Fort Lauderdale

dom. 11/16

6:10 pm-8:12 pm

Nonstop2h 02m

$118

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

lun. 9/29

9:20 pm-11:16 pm

Nonstop1h 56m

Fort Lauderdale

mar. 9/30

8:30 am-9:31 pm

1 stop13h 01m

$125

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

mar. 10/7

6:00 am-11:35 am

1 stop5h 35m

Fort Lauderdale

mar. 10/14

6:30 am-12:55 pm

1 stop6h 25m

$131

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

vie. 1/16

8:00 am-9:54 am

Nonstop1h 54m

Fort Lauderdale

lun. 1/19

8:15 pm-10:09 pm

Nonstop1h 54m

$137

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

sáb. 11/15

7:07 pm-9:04 pm

Nonstop1h 57m

Fort Lauderdale

sáb. 11/22

4:13 pm-6:12 pm

Nonstop1h 59m

$143

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

mar. 11/11

7:00 am-2:13 pm

1 stop7h 13m

Fort Lauderdale

dom. 11/16

10:37 pm-12:35 am

Nonstop1h 58m

$146

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

sáb. 12/13

8:00 am-9:54 am

Nonstop1h 54m

Fort Lauderdale

dom. 12/21

8:10 pm-10:01 pm

Nonstop1h 51m

$157

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

jue. 12/11

3:45 pm-10:20 pm

2 stops6h 35m

Fort Lauderdale

mar. 12/16

12:30 pm-5:25 pm

1 stop4h 55m

$164

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

sáb. 12/13

8:00 am-9:54 am

Nonstop1h 54m

Fort Lauderdale

sáb. 12/20

8:10 pm-10:01 pm

Nonstop1h 51m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 20 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 August 29, 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 septiembre 11, 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 Monday afternoons when fares are most often at their lowest. Monday mornings 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 septiembre 11, 2025.

The most flights from ATL to LU5 are scheduled on a Thursday (73 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).

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 septiembre 11, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from Atlanta to Port St. Lucie. 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
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 37 daily outbound flights to Port St. Lucie from 6 different airlines.

  • How long is the flight from Atlanta to Port St. Lucie?

    JetBlue, Spirit Airlines, and Southwest can get you from Atlanta to Port St. Lucie in just under 1h 53m. Your travel time can differ by up to 3h 42m. The distance from Atlanta to Port St. Lucie is about 582 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $44 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 JetBlue and Southwest, with prices starting from $49 and $62, 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 Sun Country Air (100%), Spirit Airlines (71%) or LATAM Airlines (67%) 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 $310, our data indicates the cheapest price to be $39. The most popular route (Atlanta Hartsfield-Jackson - Fort Lauderdale), is priced around $51.

  • 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

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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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$47Average$125FlexibilityNo cancel feeOn-time65%
FrontierCheapest$56Average$136FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$139Average$294FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$158Average$341FlexibilityNo cancel feeOn-time71%
DeltaCheapest$159Average$301FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$177Average$201FlexibilityNo cancel feeOn-time62%

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