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Saint Lucia

$124+ Cheap flights from Boston (BOS) 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — UVF
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Boston to Saint Lucia

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Saint Lucia (LC0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$372
(American Airlines)

One-way from

$124
(JetBlue)

Popular in

December

Cheapest in

January

Average price

$557

Good round-trip deal

$397 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for Boston Logan Intl-Castries George F. L. Charle flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Castries George F. L. Charle flights.
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From Boston Logan Intl to Saint Lucia
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One-way flight from Boston Logan Intl to Saint Lucia
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Saint Lucia.
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Price to beat on a one-way flight from Boston Logan Intl to Saint Lucia.
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Find flight deals from Boston to Saint Lucia

Cheapest flights from Boston to Saint Lucia
Explore the most affordable flight options available from Boston to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2025.

This American Airlines deal was found by Cheapflights users on 1/29. 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.
Sun 2/96:39 pmBOS - UVF
1 stop18h 56mAmerican Airlines
Mon 2/174:30 pmUVF - BOS
1 stop18h 20mAmerican Airlines
Deal found 1/29$372
This JetBlue Airways deal was found by Cheapflights users on 1/30. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/29:00 amBOS - UVF
Nonstop4h 45mJetBlue
Wed 4/92:50 pmUVF - BOS
Nonstop5h 13mJetBlue
Deal found 1/30$383
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Wed 2/196:00 amBOS - UVF
1 stop9h 25mUnited Airlines
Wed 2/261:52 pmUVF - BOS
1 stop23h 46mUnited Airlines
Deal found 1/30$425
This Air Canada deal was found by Cheapflights users on 1/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:10 amBOS - UVF
1 stop8h 35mAir Canada
Mon 4/283:45 pmUVF - BOS
1 stop20h 26mAir Canada
Deal found 1/29$480
This Mytrip deal was found by Cheapflights users on 1/29. 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.
Tue 4/228:30 amBOS - UVF
3 stops30h 15mMultiple Airlines
Mon 4/283:45 pmUVF - BOS
2 stops23h 12mMultiple Airlines
Deal found 1/29$621
This Mytrip deal was found by Cheapflights users on 1/29. 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.
Thu 4/38:20 amBOS - SLU
2 stops27h 10mMultiple Airlines
Mon 4/74:35 pmSLU - BOS
2 stops30h 15mMultiple Airlines
Deal found 1/29$750

Find flights from Boston to Saint Lucia within your budget

Customize your flight search to find flights from Boston 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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sun 2/9

6:39 pm-2:35 pm

1 stop18h 56m

Castries Hewanorra

Mon 2/17

4:30 pm-9:50 am

1 stop18h 20m

$372

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 4/2

9:00 am-1:45 pm

Nonstop4h 45m

Castries Hewanorra

Wed 4/9

2:50 pm-8:03 pm

Nonstop5h 13m

$383

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 2/19

6:00 am-4:25 pm

1 stop9h 25m

Castries Hewanorra

Wed 2/26

1:52 pm-12:38 pm

1 stop23h 46m

$425

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 4/21

6:10 am-2:45 pm

1 stop8h 35m

Castries Hewanorra

Mon 4/28

3:45 pm-2:57 pm

2 stops23h 12m

$480

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Tue 4/22

8:30 am-2:45 pm

3 stops30h 15m

Castries Hewanorra

Mon 4/28

3:45 pm-2:57 pm

2 stops23h 12m

$621

BostonCastries

BOS - SLU

BOSSLU

Boston Logan Intl

Thu 4/3

8:20 am-11:30 am

2 stops27h 10m

Castries George F. L. Charle

Mon 4/7

4:35 pm-10:50 pm

2 stops30h 15m

$750

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 3/3

6:00 am-11:44 am

Nonstop4h 44m

$124

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Thu 2/27

5:00 am-3:30 pm

1 stop9h 30m

$128

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Tue 2/25

5:30 pm-4:25 pm

2 stops21h 55m

$158

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sun 4/27

5:35 pm-2:45 pm

2 stops21h 10m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 12 results
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Best time to book a flight from Boston to Saint Lucia

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

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

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

Currently, January is the cheapest month in which you can book a flight from Boston to Saint Lucia (average of $556). Flying from Boston 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 BOS to LC?

Find hourly flight availability from Boston 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 January 30, 2025.

When flying from Boston 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 January 30, 2025.
Read reviews from past customers who have flown Delta, JetBlue and United Airlines from Boston 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
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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
7.4
Good
3,156 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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
8,913 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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
8,640 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

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 Boston 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 airport do you fly from for flights from Boston to Saint Lucia?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Saint Lucia. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

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

    $124 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $128 and $134, respectively.

  • What are the cheapest flights from Boston to Saint Lucia?

    Looking for the cheapest flight from Boston to Saint Lucia? While on average our users pay $395, our data indicates the cheapest price to be $118. The most popular route (Boston Logan Intl - Castries Hewanorra), is priced around $343.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Boston to Saint Lucia (average of $556). Flying from Boston 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.

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Alternative routes for Boston to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Boston to Saint Lucia

Discover the top 3 airlines that operate flights from Boston 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$371Average$652FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$391Average$693FlexibilityNo cancel feeOn-time71%
DeltaCheapest$405Average$592FlexibilityNo cancel feeOn-timeN/A
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