HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Lucia

$161+ Cheap flights from Massachusetts to Saint Lucia

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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — UVF
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Massachusetts to Saint Lucia 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.

Cheap flight deals from Massachusetts to Saint Lucia

Keep the following information in mind while searching for Massachusetts to Saint Lucia flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$372
(United Airlines)

One-way from

$161
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$765

Good round-trip deal

$642 or less

Good one-way deal

$156 or less
Provider with most accurate pricing for Boston Logan Intl-Castries George F. L. Charle flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Castries George F. L. Charle flights.
Search Deals
From Massachusetts to Saint Lucia
Search Deals
One-way flight from Massachusetts to Saint Lucia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals
Price to beat on a round-trip flight from Massachusetts to Saint Lucia.
Search Deals
Price to beat on a one-way flight from Massachusetts to Saint Lucia.
Search Deals

Find flight deals from Massachusetts to Saint Lucia

Cheapest flights from Massachusetts to Saint Lucia
Explore the most affordable flight options available from Massachusetts to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 8/236:00 amBOS - UVF
1 stop7h 31mUnited Airlines
Sat 8/302:35 pmUVF - BOS
2 stops19h 21mUnited Airlines
Deal found 4/30$372
This Flightnetwork deal was found by Cheapflights users on 4/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:20 pmBOS - UVF
2 stops46h 55mAir Canada
Tue 9/163:10 pmUVF - BOS
2 stops23h 21mAir Canada
Deal found 4/30$393
This JetBlue deal was found by Cheapflights users on 4/30. 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.
Mon 7/77:00 amBDL - UVF
1 stop9h 20mJetBlue
Mon 7/144:00 pmUVF - BDL
1 stop7h 49mJetBlue
Deal found 4/30$471
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 5/155:00 amBOS - UVF
1 stop9h 11mAmerican Airlines
Wed 5/213:14 pmUVF - BOS
2 stops17h 23mAmerican Airlines
Deal found 4/30$509
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 7/295:35 amBOS - UVF
1 stop8h 45mDelta
Tue 8/53:40 pmUVF - BOS
1 stop9h 59mDelta
Deal found 4/29$517
This JetBlue deal was found by Cheapflights users on 5/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/285:12 amBOS - UVF
1 stop8h 37mJetBlue
Wed 6/43:09 pmUVF - BOS
1 stop9h 08mJetBlue
Deal found 5/1$524
This Mytrip deal was found by Cheapflights users on 4/30. 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 6/92:25 pmBOS - UVF
3 stops23h 50mMultiple Airlines
Fri 6/133:10 pmUVF - BOS
2 stops23h 22mMultiple Airlines
Deal found 4/30$559
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 7/265:28 pmBDL - UVF
2 stops20h 32mAmerican Airlines
Sat 8/23:00 pmUVF - BDL
2 stops22h 03mAmerican Airlines
Deal found 4/30$687
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Sun 6/86:10 amBOS - SLU
2 stops33h 40mMultiple Airlines
Fri 6/139:10 amSLU - BOS
2 stops24h 45mMultiple Airlines
Deal found 4/29$817
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 6/138:05 amALB - UVF
1 stop28h 55mAmerican Airlines
Fri 6/203:15 pmUVF - ALB
1 stop17h 50mAmerican Airlines
Deal found 4/29$921
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Wed 7/23:54 pmBDL - UVF
3 stops46h 21mMultiple Airlines
Fri 7/113:10 pmUVF - BDL
3 stops33h 15mMultiple Airlines
Deal found 4/29$934

Cheapflights Fare Finder

Customize your flight search to find flights from Massachusetts to Saint Lucia 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 May 1, 2025.
Use the filters below to find and compare flights from Massachusetts to Saint Lucia that are best for you.

Fly from

Massachusetts

Fly to

Saint Lucia

Route

Depart

Return

Price

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 8/23

6:00 am-1:31 pm

1 stop7h 31m

Castries Hewanorra

Sat 8/30

2:35 pm-9:56 am

2 stops19h 21m

$372

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 9/10

3:20 pm-2:15 pm

2 stops46h 55m

Castries Hewanorra

Tue 9/16

3:10 pm-2:31 pm

2 stops23h 21m

$393

HartfordCastries

BDL - UVF

BDLUVF

Hartford Bradley Intl

Mon 7/7

7:00 am-4:20 pm

1 stop9h 20m

Castries Hewanorra

Mon 7/14

4:00 pm-11:49 pm

1 stop7h 49m

$471

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Thu 5/15

5:00 am-2:11 pm

1 stop9h 11m

Castries Hewanorra

Wed 5/21

3:14 pm-8:37 am

2 stops17h 23m

$509

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Tue 7/29

5:35 am-2:20 pm

1 stop8h 45m

Castries Hewanorra

Wed 8/6

3:40 pm-1:39 am

1 stop9h 59m

$517

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 5/28

5:12 am-1:49 pm

1 stop8h 37m

Castries Hewanorra

Wed 6/4

3:09 pm-12:17 am

1 stop9h 08m

$524

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 6/9

2:25 pm-2:15 pm

3 stops23h 50m

Castries Hewanorra

Fri 6/13

3:10 pm-2:32 pm

2 stops23h 22m

$559

HartfordCastries

BDL - UVF

BDLUVF

Hartford Bradley Intl

Sat 7/26

5:28 pm-2:00 pm

2 stops20h 32m

Castries Hewanorra

Sat 8/2

3:00 pm-1:03 pm

2 stops22h 03m

$687

BostonCastries

BOS - SLU

BOSSLU

Boston Logan Intl

Sun 6/8

6:10 am-3:50 pm

2 stops33h 40m

Castries George F. L. Charle

Fri 6/13

9:10 am-9:55 am

2 stops24h 45m

$817

AlbanyCastries

ALB - UVF

ALBUVF

Albany Intl

Fri 6/13

8:05 am-1:00 pm

1 stop28h 55m

Castries Hewanorra

Fri 6/20

3:15 pm-9:05 am

1 stop17h 50m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 19 results
1
2

Best time to book a flight from Massachusetts to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Massachusetts 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 Massachusetts to Saint Lucia

What is the cheapest month to book a flight from Massachusetts to Saint Lucia?

Currently, January is the cheapest month in which you can book a flight from Massachusetts to Saint Lucia (average of $556). Flying from Massachusetts to Saint Lucia in December is currently the most expensive (average of $730). 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 MA to LC?

Find hourly flight availability from Massachusetts to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

When flying from Massachusetts to Saint Lucia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. 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 Saint Lucia. Reviews last updated May 1, 2025.
Read reviews from past customers who have flown Delta, United Airlines and JetBlue from Massachusetts to Saint Lucia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,245 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Massachusetts to Saint Lucia one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $161. However, be on the lookout for offers from JetBlue and Delta, as they are both options that can get you from Massachusetts to Saint Lucia for a low price.

  • Can I find deals for flights from Massachusetts to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Saint Lucia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Saint Lucia.

  • Can I find deals for business class flights from Massachusetts to Saint Lucia?

    Yes. Cheapflights offers flight deals from Massachusetts to Saint Lucia 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 Massachusetts to Saint Lucia?

    Currently, January is the cheapest month in which you can book a flight from Massachusetts to Saint Lucia (average of $556). Flying from Massachusetts to Saint Lucia in December is currently the most expensive (average of $730). 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 Massachusetts to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santiago de los Caballeros flights
Orlando to Luis Munoz Marin Intl flights
John F Kennedy Intl to Punta Cana flights
LaGuardia to Luis Munoz Marin Intl flights
John F Kennedy Intl to Montego Bay flights
Newark to Santiago de los Caballeros flights
Newark to Punta Cana flights
John F Kennedy Intl to Santo Domingo flights
Newark to Santo Domingo flights
Newark to Montego Bay flights
Newark to Oranjestad flights
Dulles Intl to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
O'Hare Intl to Luis Munoz Marin Intl flights
Philadelphia to Luis Munoz Marin Intl flights
Boston to Luis Munoz Marin Intl flights
John F Kennedy Intl to Oranjestad flights
Baltimore to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
Newark to Nassau flights
Hartford to Luis Munoz Marin Intl flights
Tampa to Luis Munoz Marin Intl flights
LaGuardia to Punta Cana flights
John F Kennedy Intl to Nassau flights
LaGuardia to Montego Bay flights
Atlanta to Luis Munoz Marin Intl flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Hobby to Luis Munoz Marin Intl flights
John F Kennedy Intl to Kingston flights
Miami to Luis Munoz Marin Intl flights
Dulles Intl to Punta Cana flights
Newark to Simpson Bay flights
Atlanta to Montego Bay flights
Atlanta to Punta Cana flights
John F Kennedy Intl to Saint Thomas Island flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Boston to Oranjestad flights
Raleigh to Luis Munoz Marin Intl flights
LaGuardia to Oranjestad flights
O'Hare Intl to Punta Cana flights
John F Kennedy Intl to Simpson Bay flights
LaGuardia to Santo Domingo flights
Newark to Providenciales flights
Boston to Punta Cana flights
Dulles Intl to Montego Bay flights
Los Angeles to Luis Munoz Marin Intl flights
John F Kennedy Intl to St. John's flights
Dallas/Fort Worth to Punta Cana flights

Top 5 airlines flying from Massachusetts to Saint Lucia

Discover the top 5 airlines that operate flights from Massachusetts to Saint Lucia. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$361Average$587FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$366Average$627FlexibilityNo cancel feeOn-time62%
DeltaCheapest$387Average$599FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$387Average$654FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$491Average$591FlexibilityNo cancel feeOn-time67%

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.