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Port St. Lucie

$65+ Cheap flights from Boston (BOS) 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MCO
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Port St. Lucie are usually found in January or September, booked 29 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Boston to Port St. Lucie

Keep the following information in mind while searching for Boston to Port St. Lucie flight deals. Data was last updated November 3, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$97
(Kiwi.com)

One-way from

$65
(CheapOair)

Popular in

April

Cheapest in

January

Average price

$210
Provider with most accurate pricing for Boston Logan Intl-Fort Lauderdale flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Fort Lauderdale flights.
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From Boston Logan Intl to Port St. Lucie
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One-way flight from Boston Logan Intl to Port St. Lucie
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Highest demand for flights based on searches. 4% potential increase in price ($9 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 November 2025
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Find flight deals from Boston to Port St. Lucie

Cheapest flights from Boston to Port St. Lucie
Explore the most affordable flight options available from Boston to Port St. Lucie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/176:16 amBOS - FLL
Nonstop3h 29mSpirit Airlines
Thu 11/208:15 amFLL - BOS
1 stop12h 34mSpirit Airlines
Deal found 11/3$97
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/176:16 amBOS - FLL
Nonstop3h 29mSpirit Airlines
Tue 11/188:55 pmFLL - BOS
Nonstop3h 04mSpirit Airlines
Deal found 11/1$98
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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.
Sat 12/68:11 pmBOS - FLL
1 stop11h 44mSpirit Airlines
Mon 12/88:44 pmFLL - BOS
Nonstop3h 12mSpirit Airlines
Deal found 11/2$103
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:16 amBOS - FLL
Nonstop3h 29mSpirit Airlines
Sun 11/238:45 pmFLL - BOS
Nonstop3h 08mSpirit Airlines
Deal found 11/3$104
This Spirit deal was found by Cheapflights users on 11/2. 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.
Tue 12/25:45 amBOS - FLL
Nonstop3h 29mSpirit Airlines
Tue 12/98:44 pmFLL - BOS
Nonstop3h 12mSpirit Airlines
Deal found 11/2$105
This Priceline deal was found by Cheapflights users on 11/2. 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 11/1712:20 pmBOS - FLL
1 stop7h 11mMultiple Airlines
Wed 11/198:55 pmFLL - BOS
Nonstop3h 04mMultiple Airlines
Deal found 11/2$109
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/1010:56 amBOS - FLL
1 stop10h 08mSpirit Airlines
Mon 12/158:44 pmFLL - BOS
Nonstop3h 12mSpirit Airlines
Deal found 11/3$111
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Sat 12/138:11 pmBOS - FLL
1 stop11h 44mSpirit Airlines
Tue 12/1612:14 pmFLL - BOS
1 stop6h 52mSpirit Airlines
Deal found 11/3$113
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/910:56 amBOS - FLL
1 stop10h 08mSpirit Airlines
Wed 12/248:45 pmFLL - BOS
Nonstop3h 12mSpirit Airlines
Deal found 11/2$115
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/411:28 amBOS - FLL
1 stop13h 14mMultiple Airlines
Sat 12/68:44 pmFLL - BOS
Nonstop3h 12mMultiple Airlines
Deal found 11/1$116
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sun 11/166:16 amBOS - FLL
Nonstop3h 29mMultiple Airlines
Sat 11/2210:14 pmFLL - BOS
1 stop25h 55mMultiple Airlines
Deal found 11/2$118
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Sun 12/145:45 amBOS - FLL
Nonstop3h 30mSpirit Airlines
Thu 12/188:45 pmFLL - BOS
Nonstop3h 12mSpirit Airlines
Deal found 11/3$121

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 3, 2025.
Use the filters below to find and compare flights from Boston to Port St. Lucie that are best for you.

Fly from

Boston

Fly to

Port St. Lucie

Route

Depart

Return

Price

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Wed 11/19

6:16 am-9:45 am

Nonstop3h 29m

Fort Lauderdale

Sat 11/22

8:15 am-8:49 pm

1 stop12h 34m

$133

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Sun 11/16

6:16 am-9:45 am

Nonstop3h 29m

Fort Lauderdale

Fri 11/21

8:15 am-8:49 pm

1 stop12h 34m

$135

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Fri 12/5

7:38 pm-11:03 pm

Nonstop3h 25m

Fort Lauderdale

Sun 12/14

7:00 am-10:13 am

Nonstop3h 13m

$152

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Tue 12/2

5:29 am-11:44 am

1 stop6h 15m

Fort Lauderdale

Thu 12/18

7:30 am-2:27 pm

1 stop6h 57m

$157

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Thu 12/11

8:11 pm-7:55 am

1 stop11h 44m

Fort Lauderdale

Sat 12/20

8:45 pm-11:57 pm

Nonstop3h 12m

$160

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Sun 11/16

7:46 pm-11:16 pm

Nonstop3h 30m

Fort Lauderdale

Sat 11/22

8:22 pm-11:38 pm

Nonstop3h 16m

$162

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Thu 12/11

9:59 am-6:13 pm

1 stop8h 14m

Fort Lauderdale

Sun 12/14

7:00 am-10:13 am

Nonstop3h 13m

$162

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Mon 11/17

3:58 pm-7:27 pm

Nonstop3h 29m

Fort Lauderdale

Mon 11/24

11:40 am-2:54 pm

Nonstop3h 14m

$162

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Fri 12/12

5:45 am-9:15 am

Nonstop3h 30m

Fort Lauderdale

Sat 12/20

7:40 am-10:50 am

Nonstop3h 10m

$167

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Wed 12/10

2:20 pm-10:28 pm

1 stop8h 08m

Fort Lauderdale

Wed 12/17

12:25 pm-3:39 pm

Nonstop3h 14m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 22 results
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2
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Best time to book a flight from Boston to Port St. Lucie

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Port St. Lucie. Price data was last updated on October 31, 2025.

The price you pay for your flight from Boston to Port St. Lucie may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Boston to Port St. Lucie (average of $55). Flying from Boston to Port St. Lucie in June is currently the most expensive (average of $87). 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 BOS to LU5?

Find hourly flight availability from Boston 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 3, 2025.

It’s optimal to fly from Boston to Port St. Lucie in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

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

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

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

Weekly flight availability from Boston to Port St. Lucie

Explore weekly flight availability from Boston 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 3, 2025.

The most flights from BOS to LU5 are scheduled on a Monday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 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 3, 2025.
Read reviews from past customers who have flown Delta, American Airlines, and JetBlue from Boston 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.
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
American Airlines
7.2
Good
11,038 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
JetBlue
7.2
Good
2,907 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Spirit Airlines
6.3
Okay
8,115 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Frontier
5.8
Fair
3,117 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

Find useful and relevant information for your journey from Boston 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 Boston to Port St. Lucie?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Port St. Lucie from Boston. Booking flights from Logan Intl (BOS) to Port St. Lucie should be relatively easy as there are 24 daily outbound flights to Port St. Lucie from 9 different airlines.

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

    A quick flight from Boston to Port St. Lucie can take about 3h 25m. Spirit Airlines provides one of the quickest options available for as low as $152. The distance from Boston to Port St. Lucie is about 1238 mi. Most flights are nonstop.

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

    The top 3 most reliable airlines when flying from Boston to Port St. Lucie are Spirit Airlines (86%), Icelandair (82%) and Aeromexico (81%).

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

    Looking for the cheapest flight from Boston to Port St. Lucie? While on average our users pay $504, our data indicates the cheapest price to be $68. The most popular route (Boston Logan Intl - Fort Lauderdale), is priced around $87.

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Boston to Port St. Lucie (average of $55). Flying from Boston to Port St. Lucie in June is currently the most expensive (average of $87). 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 9 airlines flying from Boston to Port St. Lucie

Discover the top 9 airlines that operate flights from Boston 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$28Average$138FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$38Average$189FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$51Average$170FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$103Average$376FlexibilityNo cancel feeOn-time63%
Allegiant AirCheapest$107Average$219FlexibilityNo cancel feeOn-time88%
DeltaCheapest$108Average$301FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$120Average$296FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$153Average$285FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$358FlexibilityNo cancel feeOn-time71%

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