HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Port St. Lucie

$44+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MCO
Mar 10 — Mar 171
Mon 3/10
Mon 3/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston 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.

The best prices from Boston Logan Intl to Port St. Lucie are usually found in September or January, booked 46 days in advance, depart on a Tuesday or Wednesday 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 March 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$74
(Spirit)

One-way from

$44
(Spirit)

Popular in

April

Cheapest in

September

Average price

$225
Provider with most accurate pricing for Boston Logan Intl-Fort Lauderdale flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Fort Lauderdale flights.
Search Deals
From Boston Logan Intl to Port St. Lucie
Search Deals
One-way flight from Boston Logan Intl to Port St. Lucie
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 5, 2025.

This Spirit deal was found by Cheapflights users on 3/3. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2511:14 amBOS - FLL
Nonstop3h 30mSpirit Airlines
Wed 3/266:00 amFLL - BOS
1 stop10h 25mSpirit Airlines
Deal found 3/3$74
This Delta deal was found by Cheapflights users on 3/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/257:05 pmBOS - FLL
Nonstop3h 30mDelta
Fri 5/27:57 pmFLL - BOS
Nonstop3h 18mDelta
Deal found 3/4$147
This JetBlue deal was found by Cheapflights users on 3/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/129:00 pmBOS - FLL
Nonstop3h 30mJetBlue
Fri 3/146:00 amFLL - BOS
Nonstop3h 17mJetBlue
Deal found 3/5$159
This Booking.com deal was found by Cheapflights users on 3/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/282:10 pmBOS - FLL
Nonstop3h 31mMultiple Airlines
Sun 3/3010:09 pmFLL - BOS
1 stop10h 46mMultiple Airlines
Deal found 3/4$165
This American Airlines deal was found by Cheapflights users on 3/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/215:55 pmBOS - FLL
1 stop5h 36mAmerican Airlines
Tue 5/272:45 pmFLL - BOS
1 stop6h 53mAmerican Airlines
Deal found 3/4$167
This Frontier deal was found by Cheapflights users on 3/4. 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.
Thu 3/205:10 amBOS - FLL
1 stop6h 13mFrontier
Thu 3/279:25 pmFLL - BOS
1 stop11h 30mFrontier
Deal found 3/4$170
This United Airlines deal was found by Cheapflights users on 3/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/195:30 amBOS - FLL
2 stops9h 15mUnited Airlines
Tue 3/257:29 amFLL - BOS
1 stop5h 16mUnited Airlines
Deal found 3/5$202

Find flights from Boston to Port St. Lucie within your budget

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 March 5, 2025.

Fly from

Boston

Fly to

Port St. Lucie

Route

Depart

Return

Price

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Tue 3/25

11:14 am-2:44 pm

Nonstop3h 30m

Fort Lauderdale

Wed 3/26

6:00 am-4:25 pm

1 stop10h 25m

$74

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Fri 4/25

7:05 pm-10:35 pm

Nonstop3h 30m

Fort Lauderdale

Thu 5/1

7:00 am-10:15 am

Nonstop3h 15m

$147

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Mon 3/24

5:20 am-10:42 am

1 stop5h 22m

Fort Lauderdale

Wed 3/26

8:00 pm-11:19 pm

Nonstop3h 19m

$163

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Fri 3/28

2:10 pm-5:41 pm

Nonstop3h 31m

Fort Lauderdale

Sun 3/30

10:09 pm-8:55 am

1 stop10h 46m

$165

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Wed 5/21

5:55 pm-11:31 pm

1 stop5h 36m

Fort Lauderdale

Tue 5/27

2:45 pm-9:38 pm

1 stop6h 53m

$167

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Thu 3/20

5:10 am-11:23 am

1 stop6h 13m

Fort Lauderdale

Thu 3/27

12:23 pm-12:44 am

1 stop12h 21m

$170

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Wed 3/19

5:30 am-2:45 pm

2 stops9h 15m

Fort Lauderdale

Fri 3/21

6:00 am-10:59 am

1 stop4h 59m

$202

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Mon 4/21

8:35 pm-12:07 am

Nonstop3h 32m

$44

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Wed 4/2

7:05 am-10:42 am

Nonstop3h 37m

$74

BostonFort Lauderdale

BOS - FLL

BOSFLL

Boston Logan Intl

Thu 3/20

5:10 am-11:23 am

1 stop6h 13m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 17 results
1
2

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.

Travel insights for flights from Boston to Port St. Lucie

Get recent, data-driven insights about flights from Boston to Port St. Lucie including ideal travel times, pricing trends, and more.

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 February 28, 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 46 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, May is the cheapest month in which you can book a flight from Boston to Port St. Lucie (average of $206). Flying from Boston to Port St. Lucie in November is currently the most expensive (average of $289). 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 March 5, 2025.

When flying from Boston 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 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 December 16, 2024.

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

Rainfall in Port St. Lucie by month

Plan your trip to Port St. Lucie by taking into account the average rainfall totals by month.

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.

Temperature in Port St. Lucie by month

Plan your trip to Port St. Lucie by taking into account the average temperature totals by month.

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).

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 March 5, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Boston to Port St. Lucie have to say. 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.
Southwest
8.1
Very good
4,321 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,321 reviews
Southwest
8.1
Very good
4,321 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,711 reviews
Southwest
8.1
Very good
4,321 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,044 reviews
Southwest
8.1
Very good
4,321 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,655 reviews
Southwest
8.1
Very good
4,321 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

JetBlue
7.3
Good
2,998 reviews
Southwest
8.1
Very good
4,321 reviews

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 25 daily outbound flights to Port St. Lucie from 9 different airlines.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $44. Users have also found prices from $74 and $84 on Delta and Frontier, respectively.

  • 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 Air France (86%), American Airlines (83%) and Spirit Airlines (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 $492, our data indicates the cheapest price to be $28. The most popular route (Boston Logan Intl - Fort Lauderdale), is priced around $53.

  • 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, May is the cheapest month in which you can book a flight from Boston to Port St. Lucie (average of $206). Flying from Boston to Port St. Lucie in November is currently the most expensive (average of $289). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Port St. Lucie

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Miami flights
Boston to Fort Lauderdale flights
Boston to Orlando flights
Boston to Tampa flights
Hartford to Orlando flights
Boston to West Palm Beach flights
Boston to Fort Myers flights
Hartford to Fort Lauderdale flights
Hartford to Tampa flights
Boston to Jacksonville flights
Boston to Sarasota flights
Hartford to Miami flights
Boston to Key West flights
Hartford to West Palm Beach flights
Albany to Orlando flights
Hartford to Fort Myers flights
Boston to Pensacola flights
Albany to Fort Lauderdale flights
Albany to Tampa flights
Boston to Daytona Beach flights
Worcester to Fort Lauderdale flights
Boston to Panama City flights
Hartford to Daytona Beach flights
Boston to Orlando Sanford Intl flights
Hartford to Sarasota flights
Boston to St Petersburg flights
Worcester to Orlando flights
Boston to Melbourne flights
Albany to Jacksonville flights
Albany to Miami flights
Albany to Orlando Sanford Intl flights
Worcester to West Palm Beach flights
Hartford to Jacksonville flights
Hartford to Key West flights
Worcester to Miami flights
Albany to West Palm Beach flights
Worcester to Fort Myers flights
Hartford to Pensacola flights
Boston to Gainesville flights
Albany to Fort Myers flights
Boston to Valparaiso flights
Albany to Key West flights
Worcester to Tampa flights
Hartford to St Petersburg flights
West Tisbury to Orlando flights
Albany to St Petersburg flights
Albany to Pensacola flights
Hartford to Panama City flights
Hartford to Melbourne flights
Albany to Sarasota flights

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 March 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$199FlexibilityNo cancel feeOn-time65%
FrontierCheapest$46Average$160FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$71Average$304FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$106Average$311FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$108Average$287FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$116Average$310FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$174Average$349FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$186Average$345FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$256Average$503FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.