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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $38. Breeze Airways flights start at $57 while deals on Southwest start at $63 one-way.

Weekly flight availability from Raleigh to Port St. Lucie

The most flights from RDU to LU5 are scheduled on a Sunday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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 Raleigh to Port St. Lucie?

While on average a flight from Raleigh to Port St. Lucie is generally $552, our data shows the cheapest flight currently is $53. When looking at the most popular route, (Raleigh-Durham - Fort Lauderdale), you can expect to pay $47 for that flight.

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

Consider Delta (82%), Air France (82%) or Virgin Atlantic (81%) when booking your flight. These represent the most reliable airlines when flying from Raleigh to Port St. Lucie.

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

The most popular airlines flying from Raleigh to Port St. Lucie are JetBlue, Delta and Frontier. Something to consider prior to booking your flight.

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

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.

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Cheapflights Tip: The best prices from Raleigh-Durham to Port St. Lucie are usually found in January or September, booked 41 days in advance, depart on a Sunday or Monday and return on a Saturday

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Popular in	June
Cheapest in	January
Average price	$195

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Average for round-trip flights in October 2026

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

Prices

Airlines

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

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 in the evening, which can drop the price by up to 23% versus a flight in the morning.

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

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. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Port St. Lucie

Read through reviews of airlines operating flights from Raleigh to Port St. Lucie, such as Breeze Airways,Southwest, andDelta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Breeze Airways

8.2

Very good

324 reviews

Reviews

1 / 18

10.0

Excellent

James,Oct 2026

RSW - RDU

The plane was clean and modern. The crew was excellent. The flight left early and arrived ~ 30 mintues early. As such, our bags were delayed in arriving. Food (snacks) were average.

Breeze Airways

8.2

Very good

324 reviews

Breeze Airways

8.2

Very good

324 reviews

Reviews

1 / 18

10.0

Excellent

James,Oct 2026

RSW - RDU

The plane was clean and modern. The crew was excellent. The flight left early and arrived ~ 30 mintues early. As such, our bags were delayed in arriving. Food (snacks) were average.

Southwest

7.9

Good

4,219 reviews

Breeze Airways

8.2

Very good

324 reviews

Reviews

1 / 18

10.0

Excellent

James,Oct 2026

RSW - RDU

The plane was clean and modern. The crew was excellent. The flight left early and arrived ~ 30 mintues early. As such, our bags were delayed in arriving. Food (snacks) were average.

Delta

7.8

Good

8,680 reviews

Breeze Airways

8.2

Very good

324 reviews

Reviews

1 / 18

10.0

Excellent

James,Oct 2026

RSW - RDU

The plane was clean and modern. The crew was excellent. The flight left early and arrived ~ 30 mintues early. As such, our bags were delayed in arriving. Food (snacks) were average.

JetBlue

7.1

Good

3,066 reviews

Breeze Airways

8.2

Very good

324 reviews

Reviews

1 / 18

10.0

Excellent

James,Oct 2026

RSW - RDU

The plane was clean and modern. The crew was excellent. The flight left early and arrived ~ 30 mintues early. As such, our bags were delayed in arriving. Food (snacks) were average.

Frontier

5.5

Fair

2,516 reviews

Breeze Airways

8.2

Very good

324 reviews

Reviews

1 / 18

10.0

Excellent

James,Oct 2026

RSW - RDU

The plane was clean and modern. The crew was excellent. The flight left early and arrived ~ 30 mintues early. As such, our bags were delayed in arriving. Food (snacks) were average.

Related info for your journey

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 5 daily outbound flights to Port St. Lucie from 6 different airlines.
What are the cheapest airlines to fly from Raleigh to Port St. Lucie one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $38. Breeze Airways flights start at $57 while deals on Southwest start at $63 one-way.
What are the most reliable airlines from Raleigh to Port St. Lucie?
Consider Delta (82%), Air France (82%) or Virgin Atlantic (81%) 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 $552, our data shows the cheapest flight currently is $53. When looking at the most popular route, (Raleigh-Durham - Fort Lauderdale), you can expect to pay $47 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.

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Top 6 airlines flying from Raleigh to Port St. Lucie

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$49	Average$153	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$77	Average$253	FlexibilityNo cancel fee	On-timeN/A
Breeze Airways	Cheapest$86	Average$176	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$103	Average$241	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$158	Average$388	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$172	Average$357	FlexibilityNo cancel fee	On-time63%

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Cheap flights from Raleigh (RDU) to Port St. Lucie, FL

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Raleigh to Port St. Lucie

Most accurate provider

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Popular in

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Cheapflights Insights

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

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 in the evening, which can drop the price by up to 23% versus a flight in the morning.

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

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. Friday 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

The most flights from RDU to LU5 are scheduled on a Sunday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Port St. Lucie

Read through reviews of airlines operating flights from Raleigh to Port St. Lucie, such as Breeze Airways,Southwest, andDelta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

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

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 Raleigh to Port St. Lucie

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Port St. Lucie by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Raleigh to Port St. Lucie by cabin class

Find flights from Raleigh to Port St. Lucie, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Raleigh and Port St. Lucie flights

Browse other Raleigh and Port St. Lucie flight options. Last updated on October 27, 2026.

Other flights from Raleigh

Browse through other flights departing from Raleigh. Flights are based on user searches made on Cheapflights and were last updated on October 27, 2026.

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Top 6 airlines flying from Raleigh to Port St. Lucie

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