$29+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — MCO
Jan 11 — Jan 181
1 adult, Economy
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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 January, booked 28 days in advance, depart on a Wednesday or Friday and return on a Friday
Cheap flight deals from Atlanta to Port St. Lucie
Cheapest flights from Atlanta to Port St. LucieExplore 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 December 12, 2025.
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 December 12, 2025.
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:57 pmATL - FLL
Nonstop2h 01mSpirit Airlines
Wed 1/76:50 pmFLL - ATL
Nonstop2h 02mSpirit Airlines
Deal found 12/9![Spirit Airlines logo]()
$61
This Super.com deal was found by Cheapflights users on 12/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:40 pmATL - FLL
Nonstop2h 02mFrontier
Thu 1/15:40 amFLL - ATL
Nonstop2h 08mFrontier
Deal found 12/11![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:21 amATL - FLL
Nonstop1h 54mMultiple Airlines
Wed 12/315:40 amFLL - ATL
Nonstop2h 08mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$64
This Priceline deal was found by Cheapflights users on 12/11. 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.
Sat 12/2710:50 pmATL - FLL
Nonstop2h 02mMultiple Airlines
Mon 12/293:52 pmFLL - ATL
Nonstop2h 01mMultiple Airlines
Deal found 12/11![Multiple Airlines logo]()
$65
This Priceline deal was found by Cheapflights users on 12/11. 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.
Mon 12/224:23 pmATL - FLL
Nonstop2h 02mMultiple Airlines
Sat 12/2710:19 pmFLL - ATL
Nonstop2h 03mMultiple Airlines
Deal found 12/11![Multiple Airlines logo]()
$66
This Frontier deal was found by Cheapflights users on 12/10. 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.
Wed 12/245:15 amATL - FLL
Nonstop2h 04mFrontier
Tue 1/66:55 pmFLL - ATL
Nonstop2h 16mFrontier
Deal found 12/10![Frontier logo]()
$68
This Frontier deal was found by Cheapflights users on 12/10. 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.
Tue 12/234:23 pmATL - FLL
Nonstop2h 02mFrontier
Tue 1/66:55 pmFLL - ATL
Nonstop2h 16mFrontier
Deal found 12/10![Frontier logo]()
$69
This Spirit deal was found by Cheapflights users on 12/10. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:57 pmATL - FLL
Nonstop2h 01mSpirit Airlines
Thu 12/254:20 pmFLL - ATL
1 stop5h 48mSpirit Airlines
Deal found 12/10![Spirit Airlines logo]()
$70
This Priceline deal was found by Cheapflights users on 12/10. 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.
Thu 12/255:21 amATL - FLL
Nonstop1h 54mMultiple Airlines
Sun 12/285:40 amFLL - ATL
Nonstop2h 08mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$71
This CheapOair deal was found by Cheapflights users on 12/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:21 amATL - FLL
Nonstop1h 54mSpirit Airlines
Wed 12/313:52 pmFLL - ATL
Nonstop2h 01mSpirit Airlines
Deal found 12/11![Spirit Airlines logo]()
$72
This Super.com deal was found by Cheapflights users on 12/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:17 pmATL - FLL
Nonstop2h 02mFrontier
Sat 12/205:40 amFLL - ATL
Nonstop2h 08mFrontier
Deal found 12/10![Frontier logo]()
$73
This Priceline deal was found by Cheapflights users on 12/11. 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.
Thu 12/185:15 amATL - FLL
Nonstop2h 04mMultiple Airlines
Thu 12/252:45 pmFLL - ATL
Nonstop1h 52mMultiple Airlines
Deal found 12/11![Multiple Airlines logo]()
$74
Find 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 December 12, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $55 (Priceline) |
One-way from | $29 (Frontier) |
Popular in | April |
Cheapest in | September |
Average price | $167 |
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 December 12, 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
Mon 1/26
5:25 am-7:18 am
Nonstop1h 53m
Fort Lauderdale
Thu 1/29
6:39 am-3:32 pm
1 stop8h 53m
$68
AtlantaFort Lauderdale
ATL - FLL
ATLFLL
Atlanta Hartsfield-Jackson
Wed 1/7
5:21 am-7:15 am
Nonstop1h 54m
Fort Lauderdale
Wed 1/7
12:00 pm-6:51 pm
1 stop6h 51m
$70
AtlantaFort Lauderdale
ATL - FLL
ATLFLL
Atlanta Hartsfield-Jackson
Mon 1/26
9:06 am-8:01 pm
1 stop10h 55m
Fort Lauderdale
Sat 1/31
12:22 pm-2:20 pm
Nonstop1h 58m
$70
AtlantaFort Lauderdale
ATL - FLL
ATLFLL
Atlanta Hartsfield-Jackson
Tue 1/27
8:21 pm-10:17 pm
Nonstop1h 56m
Fort Lauderdale
Thu 1/29
6:39 am-3:32 pm
1 stop8h 53m
$70
AtlantaFort Lauderdale
ATL - FLL
ATLFLL
Atlanta Hartsfield-Jackson
Sat 1/10
6:00 am-4:19 pm
1 stop10h 19m
Fort Lauderdale
Mon 1/12
6:45 pm-8:49 pm
Nonstop2h 04m
$70
AtlantaFort Lauderdale
ATL - FLL
ATLFLL
Atlanta Hartsfield-Jackson
Sun 1/11
5:43 pm-7:38 pm
Nonstop1h 55m
Fort Lauderdale
Mon 1/12
8:24 am-10:24 am
Nonstop2h 00m
$71
AtlantaFort Lauderdale
ATL - FLL
ATLFLL
Atlanta Hartsfield-Jackson
Tue 1/27
8:21 pm-10:17 pm
Nonstop1h 56m
Fort Lauderdale
Sun 2/1
12:22 pm-2:20 pm
Nonstop1h 58m
$71
AtlantaFort Lauderdale
ATL - FLL
ATLFLL
Atlanta Hartsfield-Jackson
Thu 1/22
5:43 pm-7:38 pm
Nonstop1h 55m
Fort Lauderdale
Sun 1/25
12:22 pm-2:20 pm
Nonstop1h 58m
$71
AtlantaFort Lauderdale
ATL - FLL
ATLFLL
Atlanta Hartsfield-Jackson
Fri 1/9
8:58 am-10:52 am
Nonstop1h 54m
Fort Lauderdale
Mon 1/12
5:17 pm-7:16 pm
Nonstop1h 59m
$71
AtlantaFort Lauderdale
ATL - FLL
ATLFLL
Atlanta Hartsfield-Jackson
Sat 1/17
6:00 am-10:10 am
1 stop4h 10m
Fort Lauderdale
Tue 1/20
6:39 am-3:32 pm
1 stop8h 53m
$88
Showing 1-10 of 23 results
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 December 5, 2025.
The best time to book flights from Atlanta to Port St. Lucie is 28 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, January is the cheapest month in which you can book a flight from Atlanta to Port St. Lucie (average of $48). Flying from Atlanta to Port St. Lucie in June is currently the most expensive (average of $74). 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 December 12, 2025.
It’s optimal to fly from Atlanta to Port St. Lucie in the evening. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at noon.
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 6, 2025.
Travelers seeking maximum savings on their Atlanta to Port St. Lucie flight should consider departing on Wednesday 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 December 12, 2025.
The most flights from ATL to LU5 are scheduled on a Thursday (83 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (53 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 December 12, 2025.
Read reviews from past customers who have flown Southwest, Delta, and JetBlue 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.
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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Alternative routes for Atlanta to Port St. Lucie
See prices for flight routes from nearby airports that may be better suited for you.
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 December 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$46 | Average$129 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$54 | Average$133 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$90 | Average$177 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$139 | Average$291 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$156 | Average$307 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$349 | FlexibilityNo cancel fee | On-time71% |