What is the cheapest airline that flies from Boston Logan Intl to Saint Lucia?

Air Canada is the most popular carrier operating from Boston Logan Intl to Saint Lucia

What airlines fly to Saint Lucia?

JetBlue, American Airlines and Delta are the top three most popular airlines that fly to Saint Lucia from Boston according to our data. JetBlue is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 3 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Boston Logan Intl Airport to Saint Lucia?

Prices for flights from Boston Logan Intl Airport to Saint Lucia were last updated today.

How many operators does momondo search for flights from Boston Logan Intl Airport to Saint Lucia?

The number of operators available for flights from Boston Logan Intl Airport to Saint Lucia is 3 as of August 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Saint Lucia?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Saint Lucia.

What documentation or ID do you need to fly to Saint Lucia?

The required travel and health documents for your Saint Lucia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$133 Cheap Flights from Boston to Saint Lucia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Saint Lucia

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Cheap round-trip flights

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6:00 am - 2:20 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 20m1 stop Toronto Pearson Intl

3:10 pm - 4:05 pmUVF Castries Hewanorra-BOS Boston Logan Intl

24h 55m1 stop Toronto Pearson Intl

$361Air Canada

Fri, Sep 4 - Fri, Sep 11

6:00 am - 2:20 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 20m1 stop Toronto Pearson Intl

3:10 pm - 9:26 pmUVF Castries Hewanorra-BOS Boston Logan Intl

30h 16m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$364Air Canada

Fri, Sep 4 - Fri, Sep 11

5:45 am - 2:20 pmBOS Boston Logan Intl-UVF Castries Hewanorra

32h 35m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

3:10 pm - 9:26 pmUVF Castries Hewanorra-BOS Boston Logan Intl

30h 16m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$367Air Canada

Thu, Sep 3 - Fri, Sep 11

6:54 pm - 2:06 pmBOS Boston Logan Intl-UVF Castries Hewanorra

18h 12m1 stop Philadelphia

5:02 pm - 10:00 amUVF Castries Hewanorra-BOS Boston Logan Intl

17h 58m1 stop Miami

$400American Airlines

Fri, Feb 5 - Wed, Feb 10

6:00 am - 2:02 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 02m1 stop Miami

3:02 pm - 10:14 amUVF Castries Hewanorra-BOS Boston Logan Intl

19h 12m1 stop Miami

$400American Airlines

Sat, Sep 26 - Sat, Oct 3

5:32 am - 2:29 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 57m1 stop Charlotte Douglas

2:49 pm - 12:58 amUVF Castries Hewanorra-BOS Boston Logan Intl

10h 09m1 stop Miami

$400American Airlines

Sun, Aug 30 - Fri, Sep 4

8:59 pm - 3:10 pmBOS Boston Logan Intl-UVF Castries Hewanorra

17h 11m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 1:15 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 50m1 stop Atlanta Hartsfield-Jackson

$534Delta

Thu, Nov 12 - Tue, Nov 17

7:00 pm - 3:10 pmBOS Boston Logan Intl-UVF Castries Hewanorra

19h 10m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 9:50 amUVF Castries Hewanorra-BOS Boston Logan Intl

18h 25m1 stop Atlanta Hartsfield-Jackson

$562Delta

Tue, Nov 10 - Tue, Nov 17

7:40 am - 1:16 pmBOS Boston Logan Intl-UVF Castries Hewanorra

5h 36mnonstop

2:35 pm - 7:50 pmUVF Castries Hewanorra-BOS Boston Logan Intl

5h 15mnonstop

$569JetBlue

Sat, Oct 24 - Sat, Oct 31

6:25 am - 12:14 pmBOS Boston Logan Intl-UVF Castries Hewanorra

4h 49mnonstop

3:35 pm - 7:50 pmUVF Castries Hewanorra-BOS Boston Logan Intl

5h 15mnonstop

$569JetBlue

Sat, Nov 28 - Sat, Dec 5

Cheap last minute flights

Enter your travel dates to find the best prices.

5:30 am - 2:14 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 44m1 stop Atlanta Hartsfield-Jackson

3:34 pm - 1:25 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 51m1 stop Atlanta Hartsfield-Jackson

$522Delta

Fri, Aug 14 - Sun, Aug 16

7:17 pm - 1:49 pmBOS Boston Logan Intl-UVF Castries Hewanorra

18h 32m2 stops Chicago O'Hare Intl Miami

3:19 pm - 10:12 amUVF Castries Hewanorra-BOS Boston Logan Intl

18h 53m2 stops Charlotte Douglas Philadelphia

$580American Airlines

Sat, Aug 15 - Sat, Aug 22

6:00 am - 1:04 pmBOS Boston Logan Intl-UVF Castries Hewanorra

7h 04m1 stop Philadelphia

3:19 pm - 10:12 amUVF Castries Hewanorra-BOS Boston Logan Intl

18h 53m2 stops Charlotte Douglas Philadelphia

$580American Airlines

Sat, Aug 15 - Sat, Aug 22

7:39 pm - 1:49 pmBOS Boston Logan Intl-UVF Castries Hewanorra

18h 10m2 stops Washington, D.C. Reagan-National Miami

2:49 pm - 12:14 pmUVF Castries Hewanorra-BOS Boston Logan Intl

21h 25m2 stops Miami Philadelphia

$580American Airlines

Fri, Aug 14 - Wed, Aug 19

6:00 am - 1:31 pmBOS Boston Logan Intl-UVF Castries Hewanorra

7h 31m1 stop Newark

2:35 pm - 8:17 amUVF Castries Hewanorra-BOS Boston Logan Intl

17h 42m1 stop Newark

$620United Airlines

Sat, Aug 15 - Sat, Aug 22

5:30 am - 2:14 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 44m1 stop Atlanta Hartsfield-Jackson

3:34 pm - 1:25 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 51m1 stop Atlanta Hartsfield-Jackson

$745Delta

Fri, Aug 14 - Sun, Aug 16

5:30 am - 2:14 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 44m1 stop Atlanta Hartsfield-Jackson

3:34 pm - 1:25 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 51m1 stop Atlanta Hartsfield-Jackson

$745Delta

Fri, Aug 14 - Sun, Aug 16

5:30 am - 2:14 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 44m1 stop Atlanta Hartsfield-Jackson

3:34 pm - 1:25 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 51m1 stop Atlanta Hartsfield-Jackson

$1,453Delta

Fri, Aug 14 - Mon, Aug 17

7:15 pm - 3:15 pmBOS Boston Logan Intl-SLU Castries George F. L. Charle

44h 00m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl

3:45 pm - 10:38 pmSLU Castries George F. L. Charle-BOS Boston Logan Intl

54h 53m2 stops Bridgetown Grantley Adams Intl Toronto Pearson Intl

$1,631Multiple Airlines

Sat, Aug 15 - Sat, Aug 22

4:55 pm - 3:15 pmBOS Boston Logan Intl-SLU Castries George F. L. Charle

22h 20m3 stops Toronto Pearson Intl Port of Spain Piarco Intl Bridgetown Grantley Adams Intl

9:10 am - 8:50 pmSLU Castries George F. L. Charle-BOS Boston Logan Intl

35h 40m3 stops Bridgetown Grantley Adams Intl Road Town Beef Island Santo Domingo Las Americas

$2,334Multiple Airlines

Sat, Aug 15 - Sat, Aug 22

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Air Canada flights from Boston to Saint Lucia

Our best Air Canada deals on Boston to Saint Lucia flight tickets

Air Canada

Sep 4

BOS6:00 amBoston Logan Intl

8h 20m

1 stop

UVF2:20 pmCastries Hewanorra

Sep 11

UVF3:10 pmCastries Hewanorra

24h 55m

1 stop

BOS4:05 pmBoston Logan Intl

$361

Air Canada

Sep 4

BOS6:00 amBoston Logan Intl

8h 20m

1 stop

UVF2:20 pmCastries Hewanorra

Sep 11

UVF3:10 pmCastries Hewanorra

30h 16m

2 stops

BOS9:26 pmBoston Logan Intl

$364

Air Canada

Sep 3

BOS5:45 amBoston Logan Intl

32h 35m

2 stops

UVF2:20 pmCastries Hewanorra

Sep 11

UVF3:10 pmCastries Hewanorra

30h 16m

2 stops

BOS9:26 pmBoston Logan Intl

$367

American Airlines flights from Boston to Saint Lucia

Our best American Airlines deals on Boston to Saint Lucia flight tickets

American Airlines

Jan 30

BOS6:17 pmBoston Logan Intl

18h 30m

1 stop

UVF1:47 pmCastries Hewanorra

Feb 6

UVF1:29 pmCastries Hewanorra

10h 27m

1 stop

BOS10:56 pmBoston Logan Intl

$400

American Airlines

Jan 30

BOS6:00 amBoston Logan Intl

7h 06m

1 stop

UVF2:06 pmCastries Hewanorra

Feb 6

UVF5:02 pmCastries Hewanorra

18h 27m

2 stops

BOS10:29 amBoston Logan Intl

$405

American Airlines

Jan 9

BOS6:17 pmBoston Logan Intl

18h 30m

1 stop

UVF1:47 pmCastries Hewanorra

Jan 16

UVF3:06 pmCastries Hewanorra

21h 16m

1 stop

BOS11:22 amBoston Logan Intl

$407

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Fri 9/4

6:00 am-2:20 pm

1 stop8h 20m

Castries Hewanorra

Fri 9/11

3:10 pm-4:05 pm

1 stop24h 55m

$361

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Fri 9/4

6:00 am-2:20 pm

1 stop8h 20m

Castries Hewanorra

Fri 9/11

3:10 pm-9:26 pm

2 stops30h 16m

$364

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Thu 9/3

5:45 am-2:20 pm

2 stops32h 35m

Castries Hewanorra

Fri 9/11

3:10 pm-9:26 pm

2 stops30h 16m

$367

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Fri 2/5

6:54 pm-2:06 pm

1 stop18h 12m

Castries Hewanorra

Wed 2/10

5:02 pm-10:00 am

1 stop17h 58m

$400

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Sat 9/26

6:00 am-2:02 pm

1 stop8h 02m

Castries Hewanorra

Sat 10/3

3:02 pm-10:14 am

1 stop19h 12m

$400

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Sun 8/30

5:32 am-2:29 pm

1 stop8h 57m

Castries Hewanorra

Fri 9/4

2:49 pm-12:58 am

1 stop10h 09m

$400

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Thu 11/12

8:59 pm-3:10 pm

1 stop17h 11m

Castries Hewanorra

Tue 11/17

4:25 pm-1:15 am

1 stop9h 50m

$534

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Tue 11/10

7:00 pm-3:10 pm

1 stop19h 10m

Castries Hewanorra

Tue 11/17

4:25 pm-9:50 am

1 stop18h 25m

$562

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Sat 10/24

7:40 am-1:16 pm

Nonstop5h 36m

Castries Hewanorra

Sat 10/31

2:35 pm-7:50 pm

Nonstop5h 15m

$569

Quickest round-trip

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Sat 11/28

6:25 am-12:14 pm

Nonstop4h 49m

Castries Hewanorra

Sat 12/5

3:35 pm-7:50 pm

Nonstop5h 15m

$569

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Saint Lucia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Saint Lucia?

The month of January is, on average, the cheapest month to fly to Saint Lucia from Boston, with most prices found around $500. If you aren’t able to travel to Saint Lucia during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $538.

What is the cheapest Boston Logan Intl to Saint Lucia flight route?

Fly from Boston Logan Intl to Castries Hewanorra for the best Boston Logan Intl - Saint Lucia flight prices

What cabin class options are available on Boston to Saint Lucia flights?

There are 3 cabin classes available to choose from on Boston to Saint Lucia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Saint Lucia flights?

You could potentially save up to 52% on your flight if you consider stops on a Boston to Saint Lucia flight.

Cheap Boston to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Saint Lucia

Best Price Found	$509
Fastest flight time	4h 43m
Direct flights	Mon and Sun
Airports in Saint Lucia	7 airports

The best one-way flight to Saint Lucia from Boston in the past 72 hours is $509. The best round-trip flight deal from Boston to Saint Lucia found on momondo in the last 72 hours is $918.

The fastest flight from Boston to Saint Lucia takes 4h 43m

Direct flights go from Boston to Saint Lucia on Monday and Sunday. The only airline offering direct flights is JetBlue.

There are 7 airports in Saint Lucia. From Boston there are direct flights to Castries Hewanorra (UVF).

Search flight deals

Frequently asked questions about flying from Boston to Saint Lucia

When did momondo last update prices for flights from Boston Logan Intl Airport to Saint Lucia?
Prices for flights from Boston Logan Intl Airport to Saint Lucia were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Saint Lucia?
The number of operators available for flights from Boston Logan Intl Airport to Saint Lucia is 3 as of August 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Saint Lucia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The required travel and health documents for your Saint Lucia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Boston to Saint Lucia?
Based on momondo bookings for flights between Boston and Saint Lucia, the leading plane model is Airbus A318/A319/A320/A321, making up 68.75% of the total bookings. Other popular models include Airbus A321-100/200 with 12.50%, Airbus A321neo with 6.25%, and Boeing 737-700 with 6.25%.

Best airlines flying from Boston to Saint Lucia

Compare and see reviews for airlines that fly from Boston to Saint Lucia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $134	Free Cancellation	Rating 7.8 8,504 reviews	Search Delta flights
American Airlines	PriceFrom $292	Free Cancellation	Rating 7.1 11,921 reviews	Search American Airlines flights
JetBlue	PriceFrom $382	Free Cancellation	Rating 7.1 3,035 reviews	Search JetBlue flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Saint Lucia?

Finding the right flight to Saint Lucia from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint Lucia quick and easy, saving you time and money.

Can I find flights from Boston to Saint Lucia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Lucia from Boston with this policy.

How can momondo help me find flights from Boston to Saint Lucia?

Once you have performed a search for Boston to Saint Lucia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boston to Saint Lucia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to Saint Lucia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Saint Lucia

Flights to Castriesfrom $542

Cheap flights from Boston to Saint Lucia from $133

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Saint Lucia departing on 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Boston to Saint Lucia

Our best Air Canada deals on Boston to Saint Lucia flight tickets

American Airlines flights from Boston to Saint Lucia

Our best American Airlines deals on Boston to Saint Lucia flight tickets

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See travel insights to Saint Lucia from

How to get the cheapest flight ticket from Boston to Saint Lucia

What is the cheapest month to fly to Saint Lucia?

What is the cheapest Boston Logan Intl to Saint Lucia flight route?

What cabin class options are available on Boston to Saint Lucia flights?

Can stopping save me money on Boston to Saint Lucia flights?

What is the cheapest airline that flies from Boston Logan Intl to Saint Lucia?

What airlines fly to Saint Lucia?

Cheap Boston to Saint Lucia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Saint Lucia

Frequently asked questions about flying from Boston to Saint Lucia

Best airlines flying from Boston to Saint Lucia

Compare and see reviews for airlines that fly from Boston to Saint Lucia with momondo

Why use momondo?

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Saint Lucia

Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo

Boston flight routes

According to popular flight searches on momondo this year

Saint Lucia flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Saint Lucia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Saint Lucia

List of cabin classes available on flights landing in Saint Lucia. Availability may vary depending on flight origin and airline.

Complete your trip to Saint Lucia

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According to popular flight searches on momondo this year