What is the cheapest airline that flies from Massachusetts to Saint Lucia?

United Airlines, Air Canada, and American Airlines are the most popular carriers operating from Massachusetts to Saint Lucia

How long is the flight from Massachusetts to Saint Lucia?

The flight from Massachusetts to Saint Lucia depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Boston (a popular airport in Massachusetts) to Castries (the most popular airport in Saint Lucia), then the flight time is 4h 42m on average. If you fly from Worcester (another popular airport in Massachusetts) to Castries, then the average flight time is 22h 47m.

What airlines fly to Saint Lucia?

JetBlue, American Airlines and Delta are the top three most popular airlines that fly to Saint Lucia from Massachusetts according to our data. JetBlue is the first choice among our users, with 58% 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 Massachusetts to Saint Lucia?

Prices for flights from Massachusetts to Saint Lucia refresh daily.

How many operators does momondo search for flights from Massachusetts to Saint Lucia?

The number of operators available for flights from Massachusetts to Saint Lucia is 3 as of October 2026.

How old do you have to be to fly from Massachusetts to Saint Lucia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Saint Lucia.

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

The travel and health documents required for your trip to Saint Lucia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Lucia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$150 Cheap Flights from Massachusetts to Saint Lucia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Massachusetts to Saint Lucia

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7:30 am - 3:46 pmBOS Boston Logan Intl-UVF Castries Hewanorra

7h 16m1 stop New York John F Kennedy Intl

12:51 pm - 7:52 pmUVF Castries Hewanorra-BOS Boston Logan Intl

8h 01m1 stop New York John F Kennedy Intl

$367JetBlue

Thu, Dec 31 - Sat, Jan 16

5:45 am - 3:34 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 49m1 stop New York John F Kennedy Intl

12:51 pm - 7:52 pmUVF Castries Hewanorra-BOS Boston Logan Intl

8h 01m1 stop New York John F Kennedy Intl

$368JetBlue

Tue, Jan 12 - Sat, Jan 16

6:00 am - 3:41 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 41m1 stop Miami

4:41 pm - 12:59 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 18m1 stop Miami

$401American Airlines

Mon, Dec 7 - Wed, Dec 9

6:05 pm - 1:32 pmBOS Boston Logan Intl-UVF Castries Hewanorra

18h 27m1 stop Miami

4:41 pm - 12:59 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 18m1 stop Miami

$401American Airlines

Sun, Dec 6 - Wed, Dec 9

6:05 pm - 1:32 pmBOS Boston Logan Intl-UVF Castries Hewanorra

18h 27m1 stop Miami

2:32 pm - 10:58 pmUVF Castries Hewanorra-BOS Boston Logan Intl

9h 26m1 stop Miami

$401American Airlines

Sun, Dec 6 - Tue, Dec 8

8:15 pm - 3:05 pmBOS Boston Logan Intl-UVF Castries Hewanorra

17h 50m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 10:03 amUVF Castries Hewanorra-BOS Boston Logan Intl

18h 38m1 stop Atlanta Hartsfield-Jackson

$421Delta

Wed, Jan 27 - Wed, Feb 3

5:20 am - 3:04 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 44m1 stop Atlanta Hartsfield-Jackson

4:26 pm - 10:03 amUVF Castries Hewanorra-BOS Boston Logan Intl

18h 37m1 stop Atlanta Hartsfield-Jackson

$421Delta

Tue, Dec 15 - Wed, Dec 16

5:30 am - 4:02 pmBOS Boston Logan Intl-UVF Castries Hewanorra

9h 32m1 stop New York John F Kennedy Intl

1:34 pm - 11:48 pmUVF Castries Hewanorra-BOS Boston Logan Intl

11h 14m1 stop New York John F Kennedy Intl

$424JetBlue

Sun, Nov 29 - Sat, Dec 5

3:10 pm - 4:40 pmBOS Boston Logan Intl-UVF Castries Hewanorra

24h 30m1 stop Toronto Pearson Intl

5:35 pm - 10:37 pmUVF Castries Hewanorra-BOS Boston Logan Intl

30h 02m1 stop Toronto Pearson Intl

$444Air Canada

Sun, Dec 13 - Wed, Dec 16

5:45 am - 4:40 pmBOS Boston Logan Intl-UVF Castries Hewanorra

9h 55m1 stop Toronto Pearson Intl

5:35 pm - 10:37 pmUVF Castries Hewanorra-BOS Boston Logan Intl

30h 02m1 stop Toronto Pearson Intl

$455Air Canada

Thu, Dec 3 - Mon, Dec 7

Cheap last minute flights

Enter your travel dates to find the best prices.

5:45 am - 3:40 pmBOS Boston Logan Intl-UVF Castries Hewanorra

9h 55m1 stop Toronto Pearson Intl

5:35 pm - 10:37 pmUVF Castries Hewanorra-BOS Boston Logan Intl

30h 02m1 stop Toronto Pearson Intl

$482Air Canada

Fri, Oct 30 - Sun, Nov 1

5:45 am - 3:40 pmBOS Boston Logan Intl-UVF Castries Hewanorra

9h 55m1 stop Toronto Pearson Intl

5:35 pm - 10:03 amUVF Castries Hewanorra-BOS Boston Logan Intl

17h 28m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$494Air Canada

Fri, Oct 30 - Sun, Nov 1

5:45 am - 3:40 pmBOS Boston Logan Intl-UVF Castries Hewanorra

9h 55m1 stop Toronto Pearson Intl

5:35 pm - 9:28 pmUVF Castries Hewanorra-BOS Boston Logan Intl

28h 53m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$495Air Canada

Fri, Oct 30 - Sun, Nov 1

5:45 am - 3:40 pmBOS Boston Logan Intl-UVF Castries Hewanorra

9h 55m1 stop Toronto Pearson Intl

5:35 pm - 10:37 pmUVF Castries Hewanorra-BOS Boston Logan Intl

30h 02m1 stop Toronto Pearson Intl

$501Air Canada

Fri, Oct 30 - Sun, Nov 1

5:30 am - 2:12 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 42m1 stop Atlanta Hartsfield-Jackson

4:32 pm - 1:20 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 48m1 stop Atlanta Hartsfield-Jackson

$599Delta

Fri, Oct 30 - Sun, Nov 1

6:00 am - 3:04 pmBOS Boston Logan Intl-UVF Castries Hewanorra

9h 04m1 stop Miami

4:41 pm - 12:59 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 18m1 stop Miami

$644American Airlines

Wed, Oct 28 - Sun, Nov 1

5:00 am - 3:04 pmBOS Boston Logan Intl-UVF Castries Hewanorra

10h 04m1 stop Miami

4:07 pm - 7:46 amUVF Castries Hewanorra-BOS Boston Logan Intl

16h 39m2 stops Charlotte Douglas Washington, D.C. Reagan-National

$648American Airlines

Wed, Oct 28 - Sun, Nov 1

5:00 am - 1:42 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 42m1 stop Miami

2:42 pm - 12:59 amUVF Castries Hewanorra-BOS Boston Logan Intl

10h 17m1 stop Miami

$659American Airlines

Sun, Oct 25 - Wed, Oct 28

9:15 pm - 2:20 pmBOS Boston Logan Intl-UVF Castries Hewanorra

17h 05m2 stops Washington, D.C. Reagan-National Charlotte Douglas

4:04 pm - 10:18 amUVF Castries Hewanorra-BOS Boston Logan Intl

18h 14m1 stop Miami

$663American Airlines

Sun, Oct 25 - Wed, Oct 28

7:40 pm - 7:00 pmBOS Boston Logan Intl-SLU Castries George F. L. Charle

23h 20m2 stops Toronto Island Bridgetown Grantley Adams Intl

5:00 am - 8:54 amSLU Castries George F. L. Charle-BOS Boston Logan Intl

28h 54m3 stops Port of Spain Piarco Intl St. George's Point Saline Intl Toronto Pearson Intl

$1,081Multiple Airlines

Fri, Oct 30 - Sun, Nov 1

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JetBlue flights from Massachusetts to Saint Lucia

Our best JetBlue deals on Massachusetts to Saint Lucia flight tickets

JetBlue

Dec 31

BOS7:30 amBoston Logan Intl

7h 16m

1 stop

UVF3:46 pmCastries Hewanorra

Jan 16

UVF12:51 pmCastries Hewanorra

8h 01m

1 stop

BOS7:52 pmBoston Logan Intl

$367

JetBlue

Jan 12

BOS5:45 amBoston Logan Intl

8h 49m

1 stop

UVF3:34 pmCastries Hewanorra

Jan 16

UVF12:51 pmCastries Hewanorra

8h 01m

1 stop

BOS7:52 pmBoston Logan Intl

$368

JetBlue

Nov 29

BOS5:30 amBoston Logan Intl

9h 32m

1 stop

UVF4:02 pmCastries Hewanorra

Dec 5

UVF1:34 pmCastries Hewanorra

11h 14m

1 stop

BOS11:48 pmBoston Logan Intl

$424

United Airlines flights from Massachusetts to Saint Lucia

Our best United Airlines deals on Massachusetts to Saint Lucia flight tickets

United Airlines

Nov 14

BOS6:00 amBoston Logan Intl

9h 25m

1 stop

UVF4:25 pmCastries Hewanorra

Nov 21

UVF1:52 pmCastries Hewanorra

20h 42m

1 stop

BOS9:34 amBoston Logan Intl

$419

United Airlines

Nov 14

BOS6:00 amBoston Logan Intl

9h 25m

1 stop

UVF4:25 pmCastries Hewanorra

Nov 21

UVF5:17 pmCastries Hewanorra

18h 02m

2 stops

BOS10:19 amBoston Logan Intl

$423

United Airlines

Dec 11

BOS7:01 pmBoston Logan Intl

17h 06m

1 stop

UVF1:07 pmCastries Hewanorra

Dec 19

UVF5:17 pmCastries Hewanorra

17h 00m

1 stop

BOS9:17 amBoston Logan Intl

$512

momondo Fare Finder

Use the filters below to find and compare flights from Massachusetts to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Thu 12/31

7:30 am-3:46 pm

1 stop7h 16m

Castries Hewanorra

Sat 1/16

12:51 pm-7:52 pm

1 stop8h 01m

$367

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Tue 1/12

5:45 am-3:34 pm

1 stop8h 49m

Castries Hewanorra

Sat 1/16

12:51 pm-7:52 pm

1 stop8h 01m

$368

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Mon 12/7

6:00 am-3:41 pm

1 stop8h 41m

Castries Hewanorra

Wed 12/9

4:41 pm-12:59 am

1 stop9h 18m

$401

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Sun 12/6

6:05 pm-1:32 pm

1 stop18h 27m

Castries Hewanorra

Wed 12/9

4:41 pm-12:59 am

1 stop9h 18m

$401

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Sun 12/6

6:05 pm-1:32 pm

1 stop18h 27m

Castries Hewanorra

Tue 12/8

2:32 pm-10:58 pm

1 stop9h 26m

$401

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Wed 1/27

8:15 pm-3:05 pm

1 stop17h 50m

Castries Hewanorra

Wed 2/3

4:25 pm-10:03 am

1 stop18h 38m

$421

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Tue 12/15

5:20 am-3:04 pm

1 stop8h 44m

Castries Hewanorra

Wed 12/16

4:26 pm-10:03 am

1 stop18h 37m

$421

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Sun 11/29

5:30 am-4:02 pm

1 stop9h 32m

Castries Hewanorra

Sat 12/5

1:34 pm-11:48 pm

1 stop11h 14m

$424

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Sun 12/13

3:10 pm-4:40 pm

1 stop24h 30m

Castries Hewanorra

Wed 12/16

5:35 pm-10:37 pm

1 stop30h 02m

$444

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Thu 12/3

5:45 am-4:40 pm

1 stop9h 55m

Castries Hewanorra

Mon 12/7

5:35 pm-10:37 pm

1 stop30h 02m

$455

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 Massachusetts 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

Other information

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 Massachusetts, with most prices found around $523. If you aren’t able to travel to Saint Lucia during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $538.

What is the cheapest Massachusetts to Saint Lucia flight route?

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

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

There are 3 cabin classes available to choose from on Massachusetts 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 Massachusetts to Saint Lucia flights?

You could potentially save up to 34% on your flight if you consider stops on a Massachusetts to Saint Lucia flight.

Cheap Massachusetts to Saint Lucia flight deals and tips

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

Best Price Found	$150
Fastest flight time	4h 42m
Direct flights	Mon and Sun
Airports in Saint Lucia	7 airports

The best one-way flight to Saint Lucia from Massachusetts in the past 72 hours is $150. The best round-trip flight deal from Massachusetts to Saint Lucia found on momondo in the last 72 hours is $367.

The fastest flight from Massachusetts to Saint Lucia takes 4h 42m

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

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

Search flight deals

Frequently asked questions about flying from Massachusetts to Saint Lucia

When did momondo last update prices for flights from Massachusetts to Saint Lucia?
Prices for flights from Massachusetts to Saint Lucia refresh daily.
How many operators does momondo search for flights from Massachusetts to Saint Lucia?
The number of operators available for flights from Massachusetts to Saint Lucia is 3 as of October 2026.
How old do you have to be to fly from Massachusetts to Saint Lucia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The travel and health documents required for your trip to Saint Lucia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Lucia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Massachusetts to Saint Lucia?
Based on momondo bookings for flights between Massachusetts and Saint Lucia, the leading plane model is Airbus A318/A319/A320/A321, making up 83.33% of the total bookings. Other popular models include Airbus A321-100/200 with 6.67%, Airbus A321neo with 3.33%, and Boeing 737-700 with 3.33%.

Best airlines flying from Massachusetts to Saint Lucia

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $134	Free Cancellation	Rating 7.8 8,678 reviews	Search Delta flights
JetBlue	PriceFrom $177	Free Cancellation	Rating 7.1 3,066 reviews	Search JetBlue flights
American Airlines	PriceFrom $292	Free Cancellation	Rating 7.0 12,194 reviews	Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Lucia from Massachusetts.

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

Yes. All flights to Saint Lucia from Massachusetts on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Massachusetts to Saint Lucia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Saint Lucia from Massachusetts are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Flights to Castriesfrom $623

Cheap flights from Massachusetts to Saint Lucia from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Saint Lucia departing on 1/16. 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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JetBlue flights from Massachusetts to Saint Lucia

Our best JetBlue deals on Massachusetts to Saint Lucia flight tickets

United Airlines flights from Massachusetts to Saint Lucia

Our best United Airlines deals on Massachusetts to Saint Lucia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Massachusetts to Saint Lucia that are best for you.

See travel insights to Saint Lucia from

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

What is the cheapest month to fly to Saint Lucia?

What is the cheapest Massachusetts to Saint Lucia flight route?

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

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

What is the cheapest airline that flies from Massachusetts to Saint Lucia?

What airlines fly to Saint Lucia?

How long is the flight from Massachusetts to Saint Lucia?

Cheap Massachusetts 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 Massachusetts to Saint Lucia

Best airlines flying from Massachusetts to Saint Lucia

Compare and see reviews for airlines that fly from Massachusetts 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

Massachusetts 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.

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