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

Delta, American Airlines, and Hahn Air are the most popular carriers 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 60% 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 September 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.

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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Saint Lucia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

18h 27m1 stop Miami

4:41 pm - 10:15 amUVF Castries Hewanorra-BOS Boston Logan Intl

18h 34m1 stop Miami

$400American Airlines

Tue, Dec 1 - Wed, Dec 9

7:02 pm - 2:16 pmBOS Boston Logan Intl-UVF Castries Hewanorra

18h 14m1 stop Charlotte Douglas

4:38 pm - 10:09 amUVF Castries Hewanorra-BOS Boston Logan Intl

18h 31m1 stop Miami

$400American Airlines

Tue, Jan 5 - Wed, Jan 27

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

8h 44m1 stop Atlanta Hartsfield-Jackson

4:26 pm - 1:15 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 49m1 stop Atlanta Hartsfield-Jackson

$400Delta

Mon, Dec 7 - Fri, Dec 11

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

8h 44m1 stop Atlanta Hartsfield-Jackson

4:26 pm - 1:15 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 49m1 stop Atlanta Hartsfield-Jackson

$400Delta

Wed, Dec 2 - Thu, Dec 10

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

18h 27m1 stop Miami

2:32 pm - 11:58 pmUVF Castries Hewanorra-BOS Boston Logan Intl

10h 26m1 stop Miami

$400American Airlines

Sat, Dec 5 - Thu, Dec 10

5:45 am - 3:05 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 20m1 stop Atlanta Hartsfield-Jackson

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

18h 38m1 stop Atlanta Hartsfield-Jackson

$414Delta

Mon, Jan 25 - Wed, Feb 3

6:00 am - 2:15 pmBOS Boston Logan Intl-UVF Castries Hewanorra

7h 15m1 stop Newark

5:17 pm - 10:39 amUVF Castries Hewanorra-BOS Boston Logan Intl

18h 22m1 stop Newark

$421United Airlines

Sun, Jan 3 - Sat, Jan 9

6:00 am - 2:15 pmBOS Boston Logan Intl-UVF Castries Hewanorra

7h 15m1 stop Newark

5:17 pm - 7:38 amUVF Castries Hewanorra-BOS Boston Logan Intl

15h 21m1 stop Newark

$421United Airlines

Mon, Jan 4 - Sat, Jan 9

5:45 am - 3:31 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 46m1 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

$486JetBlue

Tue, Dec 1 - Sat, Dec 5

7:10 am - 3:12 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 02m1 stop New York John F Kennedy Intl

2:15 pm - 7:59 pmUVF Castries Hewanorra-BOS Boston Logan Intl

5h 44mnonstop

$487JetBlue

Tue, Oct 27 - Sat, Oct 31

Cheap last minute flights

Enter your travel dates to find the best prices.

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

8h 42m1 stop Atlanta Hartsfield-Jackson

3:32 pm - 1:17 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 45m1 stop Atlanta Hartsfield-Jackson

$539Delta

Tue, Sep 29 - Fri, Oct 2

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

7h 31m1 stop Newark

2:35 pm - 10:45 pmUVF Castries Hewanorra-BOS Boston Logan Intl

8h 10m1 stop Newark

$549United Airlines

Sat, Oct 3 - Sat, Oct 10

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

7h 31m1 stop Newark

2:35 pm - 10:32 amUVF Castries Hewanorra-BOS Boston Logan Intl

19h 57m2 stops Newark Washington, D.C. Dulles Intl

$554United Airlines

Sat, Oct 3 - Sat, Oct 10

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

8h 42m1 stop Atlanta Hartsfield-Jackson

3:32 pm - 1:17 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 45m1 stop Atlanta Hartsfield-Jackson

$741Delta

Wed, Sep 30 - Fri, Oct 2

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

8h 42m1 stop Atlanta Hartsfield-Jackson

3:32 pm - 1:20 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 48m1 stop Atlanta Hartsfield-Jackson

$938Delta

Fri, Oct 2 - Fri, Oct 9

5:28 pm - 2:02 pmBOS Boston Logan Intl-UVF Castries Hewanorra

20h 34m2 stops New York John F Kennedy Intl Miami

3:10 pm - 7:48 amUVF Castries Hewanorra-BOS Boston Logan Intl

16h 38m2 stops Charlotte Douglas Washington, D.C. Reagan-National

$1,122American Airlines

Sat, Oct 3 - Sat, Oct 10

7:11 am - 3:34 pmBOS Boston Logan Intl-UVF Castries Hewanorra

8h 23m1 stop New York John F Kennedy Intl

3:10 pm - 9:55 amUVF Castries Hewanorra-BOS Boston Logan Intl

18h 45m1 stop Toronto Pearson Intl

$1,138Multiple Airlines

Thu, Oct 1 - Fri, Oct 2

5:56 pm - 2:02 pmBOS Boston Logan Intl-UVF Castries Hewanorra

20h 06m2 stops Charlotte Douglas Miami

4:04 pm - 12:59 amUVF Castries Hewanorra-BOS Boston Logan Intl

8h 55m1 stop Miami

$1,145American Airlines

Fri, Oct 2 - Fri, Oct 9

5:35 pm - 2:02 pmBOS Boston Logan Intl-UVF Castries Hewanorra

20h 27m2 stops Washington, D.C. Reagan-National Miami

3:20 pm - 9:07 amUVF Castries Hewanorra-BOS Boston Logan Intl

17h 47m2 stops Charlotte Douglas New York LaGuardia

$1,145American Airlines

Fri, Oct 2 - Fri, Oct 9

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

8h 42m1 stop Atlanta Hartsfield-Jackson

3:32 pm - 1:17 amUVF Castries Hewanorra-BOS Boston Logan Intl

9h 45m1 stop Atlanta Hartsfield-Jackson

$1,174Delta

Tue, Sep 29 - Sat, Oct 3

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JetBlue flights from Boston to Saint Lucia

Our best JetBlue deals on Boston to Saint Lucia flight tickets

JetBlue

Dec 1

BOS5:45 amBoston Logan Intl

8h 46m

1 stop

UVF3:31 pmCastries Hewanorra

Dec 5

UVF1:34 pmCastries Hewanorra

11h 14m

1 stop

BOS11:48 pmBoston Logan Intl

$486

JetBlue

Dec 5

BOS8:03 amBoston Logan Intl

4h 53m

UVF1:56 pmCastries Hewanorra

Dec 12

UVF1:34 pmCastries Hewanorra

11h 14m

1 stop

BOS11:48 pmBoston Logan Intl

$507

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

$520

American Airlines flights from Boston to Saint Lucia

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

American Airlines

Dec 1

BOS6:05 pmBoston Logan Intl

18h 27m

1 stop

UVF1:32 pmCastries Hewanorra

Dec 9

UVF4:41 pmCastries Hewanorra

18h 34m

1 stop

BOS10:15 amBoston Logan Intl

$400

American Airlines

Dec 1

BOS6:43 pmBoston Logan Intl

17h 49m

2 stops

UVF1:32 pmCastries Hewanorra

Dec 9

UVF4:24 pmCastries Hewanorra

17h 54m

1 stop

BOS9:18 amBoston Logan Intl

$405

American Airlines

Nov 10

BOS5:00 amBoston Logan Intl

9h 41m

1 stop

UVF3:41 pmCastries Hewanorra

Nov 17

UVF2:32 pmCastries Hewanorra

9h 27m

1 stop

BOS10:59 pmBoston 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

Tue 12/1

6:05 pm-1:32 pm

1 stop18h 27m

Castries Hewanorra

Wed 12/9

4:41 pm-10:15 am

1 stop18h 34m

$400

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Tue 1/5

7:02 pm-2:16 pm

1 stop18h 14m

Castries Hewanorra

Wed 1/27

4:38 pm-10:09 am

1 stop18h 31m

$400

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Mon 12/7

5:20 am-3:04 pm

1 stop8h 44m

Castries Hewanorra

Fri 12/11

4:26 pm-1:15 am

1 stop9h 49m

$400

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Wed 12/2

5:20 am-3:04 pm

1 stop8h 44m

Castries Hewanorra

Thu 12/10

4:26 pm-1:15 am

1 stop9h 49m

$400

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Sat 12/5

6:05 pm-1:32 pm

1 stop18h 27m

Castries Hewanorra

Thu 12/10

2:32 pm-11:58 pm

1 stop10h 26m

$400

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Mon 1/25

5:45 am-3:05 pm

1 stop8h 20m

Castries Hewanorra

Wed 2/3

4:25 pm-10:03 am

1 stop18h 38m

$414

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Sun 1/3

6:00 am-2:15 pm

1 stop7h 15m

Castries Hewanorra

Sat 1/9

5:17 pm-10:39 am

1 stop18h 22m

$421

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Mon 1/4

6:00 am-2:15 pm

1 stop7h 15m

Castries Hewanorra

Sat 1/9

5:17 pm-7:38 am

1 stop15h 21m

$421

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Tue 12/1

5:45 am-3:31 pm

1 stop8h 46m

Castries Hewanorra

Sat 12/5

1:34 pm-11:48 pm

1 stop11h 14m

$486

Quickest round-trip

BostonCastries

BOS Boston Logan Intl - UVF Castries Hewanorra

BOSUVF

Boston Logan Intl

Tue 10/27

7:10 am-3:12 pm

1 stop8h 02m

Castries Hewanorra

Sat 10/31

2:15 pm-7:59 pm

Nonstop5h 44m

$487

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 $478. 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 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 42% 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	$150
Fastest flight time	4h 44m
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 $150. The best round-trip flight deal from Boston to Saint Lucia found on momondo in the last 72 hours is $400.

The fastest flight from Boston to Saint Lucia takes 4h 44m

Direct flights go from Boston to Saint Lucia on Monday and Sunday. There are no airlines offering direct flights.

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 September 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 81.48% of the total bookings. Other popular models include Airbus A321-100/200 with 7.41%, Airbus A321neo with 3.70%, and Boeing 737-700 with 3.70%.

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 8,606 reviews	Search Delta flights
JetBlue	PriceFrom $177	Free Cancellation	Rating 7.1 3,039 reviews	Search JetBlue flights
American Airlines	PriceFrom $292	Free Cancellation	Rating 7.0 12,097 reviews	Search American Airlines 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 $636

Cheap flights from Boston 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 Boston to Saint Lucia departing on 1/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Boston to Saint Lucia

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JetBlue flights from Boston to Saint Lucia

Our best JetBlue 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

momondo Fare Finder

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

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

Explore popular destinations other users love

According to popular flight searches on momondo this year