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.

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).

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 $145, our data indicates the cheapest price to be $40. The most popular route (Atlanta Hartsfield-Jackson - Fort Lauderdale), is priced around $58.

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 Southwest (59%), Spirit Airlines (58%) or LATAM Airlines (56%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Atlanta to Port St. Lucie?

American Airlines, Delta and Frontier are the most popular airlines when flying from Atlanta to Port St. Lucie.

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

To save on the cost of your flight from Atlanta to Port St. Lucie, book at least 50 days before your planned departure. Booking around this time can save you about 100% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $124 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $228.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Port St. Lucie. Flights to Port St. Lucie from Atlanta in September are about $163 on average during September, but can be found for as low as $49.

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 50 daily outbound flights to Port St. Lucie from 5 different airlines.

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.

$42+ Flights from Atlanta to Port St. Lucie

Q: How much does it cost to fly round-trip from Atlanta to Port St. Lucie?

Airfare is below average for this route at the moment. Atlanta to Port St. Lucie flights typically cost between $88 and $208 in August. The cheapest round-trip price found within the last 3 days was $86 on Frontier (Aug 15-Aug 20).

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1. Tell us where you want to go

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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 Wednesday or Friday and return on a Friday

Cheap flight deals from Atlanta to Port St. Lucie

Round-trip from	$85 (Cheapflightsfares)
One-way from	$42 (FlightHub)
Popular in	December
Cheapest in	September
Average price	$163

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. 9% potential increase in price ($17 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 30, 2025.

Fri 8/159:30 pmATL - FLL

Nonstop2h 01mFrontier

Wed 8/2011:55 amFLL - ATL

Nonstop2h 05mFrontier

Deal found 7/30

$86

Thu 8/1411:42 amATL - FLL

Nonstop1h 56mSpirit Airlines

Tue 8/198:38 amFLL - ATL

Nonstop1h 59mSpirit Airlines

Deal found 7/29

$87

Mon 8/49:30 pmATL - FLL

Nonstop2h 01mMultiple Airlines

Tue 8/126:16 pmFLL - ATL

Nonstop2h 06mMultiple Airlines

Deal found 7/29

$89

Best flights from Atlanta to Port St. Lucie
Discover carefully curated flight deals from Atlanta to Port St. Lucie that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Fri 8/159:30 pmATL - FLL

Nonstop2h 01mFrontier

Wed 8/2011:55 amFLL - ATL

Nonstop2h 05mFrontier

Deal found 7/30

$86

Thu 8/1411:42 amATL - FLL

Nonstop1h 56mSpirit Airlines

Tue 8/198:38 amFLL - ATL

Nonstop1h 59mSpirit Airlines

Deal found 7/29

$87

Mon 8/49:30 pmATL - FLL

Nonstop2h 01mMultiple Airlines

Tue 8/126:16 pmFLL - ATL

Nonstop2h 06mMultiple Airlines

Deal found 7/29

$89

Last-minute flights from Atlanta to Port St. Lucie
Discover last-minute flight deals from Atlanta to Port St. Lucie. Data last updated July 30, 2025 and is based on user searches.

Mon 8/49:30 pmATL - FLL

Nonstop2h 01mMultiple Airlines

Tue 8/126:16 pmFLL - ATL

Nonstop2h 06mMultiple Airlines

Deal found 7/29

$89

Tue 8/511:06 amATL - FLL

Nonstop1h 50mSpirit Airlines

Tue 8/56:16 pmFLL - ATL

Nonstop2h 06mSpirit Airlines

Deal found 7/29

$86

Wed 8/64:40 pmATL - FLL

Nonstop2h 06mFrontier

Sat 8/96:00 amFLL - ATL

Nonstop2h 10mFrontier

Deal found 7/29

$88

Thu 8/1411:42 amATL - FLL

Nonstop1h 56mSpirit Airlines

Tue 8/198:38 amFLL - ATL

Nonstop1h 59mSpirit Airlines

Deal found 7/29

$87

Fri 8/159:30 pmATL - FLL

Nonstop2h 01mFrontier

Wed 8/2011:55 amFLL - ATL

Nonstop2h 05mFrontier

Deal found 7/30

$86

One-way flights from Atlanta to Port St. Lucie
Search for one-way flight options from Atlanta to Port St. Lucie. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Thu 8/75:20 amATL - FLL

Nonstop1h 49mSpirit Airlines

Deal found 7/29

$42

Mon 8/49:30 pmATL - FLL

Nonstop2h 01mFrontier

Deal found 7/29

$45

Cheapflights Fare Finder

Use the filters below to find and compare flights from Atlanta to Port St. Lucie that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

Fri 8/15

9:30 pm-11:31 pm

Nonstop2h 01m

Fort Lauderdale

Wed 8/20

11:55 am-2:00 pm

Nonstop2h 05m

$86

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

Thu 8/14

11:42 am-1:38 pm

Nonstop1h 56m

Fort Lauderdale

Tue 8/19

8:38 am-10:37 am

Nonstop1h 59m

$87

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

Mon 8/4

9:30 pm-11:31 pm

Nonstop2h 01m

Fort Lauderdale

Tue 8/12

6:16 pm-8:22 pm

Nonstop2h 06m

$89

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

Thu 8/7

5:20 am-7:09 am

Nonstop1h 49m

$42

AtlantaFort Lauderdale

ATL - FLL

ATLFLL

Atlanta Hartsfield-Jackson

Mon 8/4

9:30 pm-11:31 pm

Nonstop2h 01m

$45

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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?

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 $288). 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?

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?

Travelers seeking maximum savings on their Atlanta to Port St. Lucie flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday 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

The most flights from ATL to LU5 are scheduled on a Tuesday (80 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

How much does it cost to fly round-trip from Atlanta to Port St. Lucie?

Reviews of airlines servicing Port St. Lucie

Read reviews from past customers who have flown Spirit Airlines and Frontier 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.

Spirit Airlines

6.3

Okay

8,048 reviews

Reviews

1 / 20

6.0

Good

Steve & Alycia,Mar 2024

CMH - FLL

Staff was good. Flight was safe. We were on time! Not comfortable seats.

Spirit Airlines

6.3

Okay

8,048 reviews

Spirit Airlines

6.3

Okay

8,048 reviews

Reviews

1 / 20

6.0

Good

Steve & Alycia,Mar 2024

CMH - FLL

Staff was good. Flight was safe. We were on time! Not comfortable seats.

Frontier

5.9

Fair

3,237 reviews

Spirit Airlines

6.3

Okay

8,048 reviews

Reviews

1 / 20

6.0

Good

Steve & Alycia,Mar 2024

CMH - FLL

Staff was good. Flight was safe. We were on time! Not comfortable seats.

Related info for your journey

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 50 daily outbound flights to Port St. Lucie from 5 different airlines.
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 Southwest (59%), Spirit Airlines (58%) or LATAM Airlines (56%) 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 $145, our data indicates the cheapest price to be $40. The most popular route (Atlanta Hartsfield-Jackson - Fort Lauderdale), is priced around $58.
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 $288). 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

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Top 5 airlines flying from Atlanta to Port St. Lucie

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$47	Average$118	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$54	Average$133	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$137	Average$292	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$150	Average$297	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$158	Average$339	FlexibilityNo cancel fee	On-time71%

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$42+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Wednesday 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 July 30, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 July 30, 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 July 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Atlanta to Port St. Lucie that are best for you.

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.

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 July 25, 2025.

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

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 July 30, 2025.

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.

Weekly flight availability from Atlanta to Port St. Lucie

How much does it cost to fly round-trip from Atlanta to Port St. Lucie?

Reviews of airlines servicing Port St. Lucie

Read reviews from past customers who have flown Spirit Airlines and Frontier 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.

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?

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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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 5 airlines flying from Atlanta to Port St. Lucie

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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 July 30, 2025.