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Port St. Lucie

$55+ Cheap flights from Raleigh (RDU) 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — MCO
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheapflights Tip: The best prices from Raleigh-Durham to Port St. Lucie are usually found in January or August, booked 55 days in advance, depart on a Friday or Monday and return on a Thursday

Cheap flight deals from Raleigh to Port St. Lucie

Keep the following information in mind while searching for Raleigh to Port St. Lucie flight deals. Data was last updated November 20, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$76
(Priceline)

One-way from

$55
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$171
Provider with most accurate pricing for Raleigh-Durham-Fort Lauderdale flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Fort Lauderdale flights.
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From Raleigh-Durham to Port St. Lucie
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One-way flight from Raleigh-Durham to Port St. Lucie
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Highest demand for flights based on searches. 2% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Raleigh to Port St. Lucie

Cheapest flights from Raleigh to Port St. Lucie
Explore the most affordable flight options available from Raleigh to Port St. Lucie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Priceline deal was found by Cheapflights users on 11/20. 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 12/115:50 pmRDU - FLL
Nonstop2h 15mSpirit Airlines
Mon 12/152:50 pmFLL - RDU
Nonstop2h 05mSpirit Airlines
Deal found 11/20$76
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
Mon 12/85:50 pmRDU - FLL
Nonstop2h 15mSpirit Airlines
Fri 12/122:50 pmFLL - RDU
Nonstop2h 05mSpirit Airlines
Deal found 11/19$81
This Cheapflightsfares deal was found by Cheapflights users on 11/18. 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.
Fri 12/55:50 pmRDU - FLL
Nonstop2h 15mSpirit Airlines
Mon 12/82:50 pmFLL - RDU
Nonstop2h 05mSpirit Airlines
Deal found 11/18$84
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Thu 11/272:31 pmRDU - FLL
Nonstop2h 03mSpirit Airlines
Wed 12/35:41 pmFLL - RDU
Nonstop2h 03mSpirit Airlines
Deal found 11/18$86
This Priceline deal was found by Cheapflights users on 11/19. 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 11/202:31 pmRDU - FLL
Nonstop2h 03mSpirit Airlines
Thu 11/275:41 pmFLL - RDU
Nonstop2h 03mSpirit Airlines
Deal found 11/19$87
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Mon 12/155:50 pmRDU - FLL
Nonstop2h 15mSpirit Airlines
Fri 12/192:50 pmFLL - RDU
Nonstop2h 05mSpirit Airlines
Deal found 11/19$88
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
Fri 12/125:50 pmRDU - FLL
Nonstop2h 15mSpirit Airlines
Mon 12/152:50 pmFLL - RDU
Nonstop2h 05mSpirit Airlines
Deal found 11/19$89
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
Thu 12/45:50 pmRDU - FLL
Nonstop2h 15mSpirit Airlines
Mon 12/82:50 pmFLL - RDU
Nonstop2h 05mSpirit Airlines
Deal found 11/19$91
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Tue 12/305:50 pmRDU - FLL
Nonstop2h 15mSpirit Airlines
Wed 12/312:50 pmFLL - RDU
Nonstop2h 05mSpirit Airlines
Deal found 11/18$95

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh 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 November 20, 2025.
Use the filters below to find and compare flights from Raleigh to Port St. Lucie that are best for you.

Fly from

Raleigh

Fly to

Port St. Lucie

Route

Depart

Return

Price

RaleighFort Lauderdale

RDU - FLL

RDUFLL

Raleigh-Durham

Sun 1/25

3:13 pm-5:30 pm

Nonstop2h 17m

Fort Lauderdale

Thu 1/29

12:05 pm-2:13 pm

Nonstop2h 08m

$92

RaleighFort Lauderdale

RDU - FLL

RDUFLL

Raleigh-Durham

Thu 1/15

3:13 pm-5:30 pm

Nonstop2h 17m

Fort Lauderdale

Sun 1/18

12:05 pm-2:13 pm

Nonstop2h 08m

$96

RaleighFort Lauderdale

RDU - FLL

RDUFLL

Raleigh-Durham

Fri 1/16

3:13 pm-5:30 pm

Nonstop2h 17m

Fort Lauderdale

Mon 1/19

12:05 pm-2:13 pm

Nonstop2h 08m

$118

RaleighFort Lauderdale

RDU - FLL

RDUFLL

Raleigh-Durham

Thu 1/8

3:13 pm-5:30 pm

Nonstop2h 17m

Fort Lauderdale

Sun 1/11

8:00 am-5:42 pm

1 stop9h 42m

$127

RaleighFort Lauderdale

RDU - FLL

RDUFLL

Raleigh-Durham

Fri 1/2

6:35 pm-8:47 pm

Nonstop2h 12m

Fort Lauderdale

Sat 1/10

3:30 pm-5:40 pm

Nonstop2h 10m

$137

RaleighFort Lauderdale

RDU - FLL

RDUFLL

Raleigh-Durham

Sun 12/14

8:06 pm-12:51 am

1 stop4h 45m

Fort Lauderdale

Tue 12/16

3:02 pm-5:10 pm

Nonstop2h 08m

$137

RaleighFort Lauderdale

RDU - FLL

RDUFLL

Raleigh-Durham

Fri 1/30

6:35 pm-8:47 pm

Nonstop2h 12m

Fort Lauderdale

Sun 2/1

3:30 pm-5:40 pm

Nonstop2h 10m

$137

RaleighFort Lauderdale

RDU - FLL

RDUFLL

Raleigh-Durham

Mon 1/5

6:35 pm-8:47 pm

Nonstop2h 12m

Fort Lauderdale

Sat 1/10

3:30 pm-5:40 pm

Nonstop2h 10m

$137

RaleighFort Lauderdale

RDU - FLL

RDUFLL

Raleigh-Durham

Thu 12/4

3:45 pm-5:53 pm

Nonstop2h 08m

Fort Lauderdale

Mon 12/8

12:37 pm-2:42 pm

Nonstop2h 05m

$137

RaleighFort Lauderdale

RDU - FLL

RDUFLL

Raleigh-Durham

Wed 12/17

5:15 am-9:24 am

1 stop4h 09m

Fort Lauderdale

Wed 12/24

3:58 pm-6:06 pm

Nonstop2h 08m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 24 results
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Best time to book a flight from Raleigh to Port St. Lucie

Have a flexible travel schedule? Discover the best time to fly to Port St. Lucie from Raleigh 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 Raleigh to Port St. Lucie

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

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Port St. Lucie. Price data was last updated on November 14, 2025.

To ensure you get the cheapest price possible for a flight from Raleigh to Port St. Lucie, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Raleigh to Port St. Lucie (average of $33). Flying from Raleigh to Port St. Lucie in August is currently the most expensive (average of $61). 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 RDU to LU5?

Find hourly flight availability from Raleigh 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 November 20, 2025.

When flying from Raleigh to Port St. Lucie, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 19% versus a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Port St. Lucie. Price data was last updated on November 2, 2025.

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

Weekly flight availability from Raleigh to Port St. Lucie

Explore weekly flight availability from Raleigh 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 November 20, 2025.

The most flights from RDU to LU5 are scheduled on a Thursday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 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 November 20, 2025.
Read through reviews of airlines operating flights from Raleigh to Port St. Lucie, such as Southwest, Delta, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

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
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

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
7.9
Good
8,002 reviews
Southwest
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

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
11,045 reviews
Southwest
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

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
JetBlue
7.2
Good
2,902 reviews
Southwest
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

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
8,156 reviews
Southwest
8.0
Very good
4,249 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

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 Raleigh 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 Raleigh to Port St. Lucie?

    Located just 11.1 mi from the city center, Raleigh-Durham is the airport most travelers will use when flying to Port St. Lucie from Raleigh. Booking flights from Raleigh-Durham (RDU) to Port St. Lucie should be relatively easy as there are 2 daily outbound flights to Port St. Lucie from 8 different airlines.

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

    Spirit Airlines and JetBlue can get you from Raleigh to Port St. Lucie in just under 2h 12m. Your travel time will be generally consistent. The distance from Raleigh to Port St. Lucie is about 682 mi. Generally, flights for this route are nonstop.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $64. Frontier flights start at $68 while deals on JetBlue start at $69 one-way.

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

    Consider KLM (100%), LATAM Airlines (89%) or Virgin Atlantic (89%) when booking your flight. These represent the most reliable airlines when flying from Raleigh to Port St. Lucie.

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

    While on average a flight from Raleigh to Port St. Lucie is generally $159, our data shows the cheapest flight currently is $28. When looking at the most popular route, (Raleigh-Durham - Fort Lauderdale), you can expect to pay $76 for that flight.

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

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

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

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

    Yes. Cheapflights offers flight deals from Raleigh 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 Raleigh to Port St. Lucie?

    Currently, January is the cheapest month in which you can book a flight from Raleigh to Port St. Lucie (average of $33). Flying from Raleigh to Port St. Lucie in August is currently the most expensive (average of $61). 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.

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Top 8 airlines flying from Raleigh to Port St. Lucie

Discover the top 8 airlines that operate flights from Raleigh 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$31Average$156FlexibilityNo cancel feeOn-time65%
FrontierCheapest$38Average$151FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$58Average$165FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$69Average$177FlexibilityNo cancel feeOn-time62%
DeltaCheapest$72Average$280FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$134Average$280FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$148Average$323FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$162Average$308FlexibilityNo cancel feeOn-time71%

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