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

United Airlines, Air Canada, and American Airlines 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 66% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 5 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 5 as of July 2025.

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 2025

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Find the cheapest flights from Boston to Saint Lucia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:12 pm - 1:31 pmBOS-UVF

18h 19m2 stops

2:35 pm - 11:22 pmUVF-BOS

8h 47m1 stop

$362United Airlines

Find Deal

Fri, Sep 5 - Sat, Sep 13

6:30 pm - 2:15 pmBOS-UVF

19h 45m2 stops

3:10 pm - 9:30 amUVF-BOS

18h 20m2 stops

$408Air Canada

Find Deal

Mon, Sep 8 - Fri, Sep 12

6:30 pm - 2:15 pmBOS-UVF

19h 45m2 stops

3:10 pm - 2:30 pmUVF-BOS

23h 20m2 stops

$423Air Canada

Find Deal

Thu, Sep 4 - Tue, Sep 30

5:54 am - 1:10 pmBOS-UVF

7h 16m1 stop

3:35 pm - 12:48 amUVF-BOS

9h 13m1 stop

$451American Airlines

Find Deal

Sat, Aug 16 - Wed, Aug 20

6:43 pm - 1:45 pmBOS-UVF

19h 02m1 stop

2:58 pm - 7:53 amUVF-BOS

16h 55m2 stops

$456American Airlines

Find Deal

Thu, Aug 14 - Tue, Aug 19

7:08 am - 2:15 pmBOS-UVF

7h 07m1 stop

3:20 pm - 12:14 amUVF-BOS

8h 54m1 stop

$502JetBlue

Find Deal

Fri, Sep 12 - Fri, Sep 19

6:10 am - 11:54 amBOS-UVF

4h 44mnonstop

1:25 pm - 5:38 pmUVF-BOS

5h 13mnonstop

$503JetBlue

Find Deal

Sat, Dec 27 - Sat, Jan 3

6:00 am - 3:10 pmBOS-UVF

8h 10m1 stop

4:35 pm - 1:00 amUVF-BOS

9h 25m1 stop

$576Delta

Find Deal

Tue, Nov 11 - Tue, Nov 18

10:20 am - 2:15 pmBOS-UVF

51h 55m2 stops

2:35 pm - 9:30 amUVF-BOS

18h 55m2 stops

$600

Find Deal

Wed, Sep 17 - Sun, Sep 21

3:15 pm - 2:15 pmBOS-UVF

23h 00m2 stops

2:35 pm - 9:30 amUVF-BOS

18h 55m2 stops

$603

Find Deal

Thu, Sep 25 - Sun, Sep 28

American Airlines flights from Boston to Saint Lucia

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

American Airlines

Aug 16

BOS5:54 amBoston Logan Intl

7h 16m

1 stop

UVF1:10 pmCastries Hewanorra

Aug 20

UVF3:35 pmCastries Hewanorra

9h 13m

1 stop

BOS12:48 amBoston Logan Intl

$451

Find similar

American Airlines

Aug 14

BOS6:43 pmBoston Logan Intl

19h 02m

1 stop

UVF1:45 pmCastries Hewanorra

Aug 19

UVF2:58 pmCastries Hewanorra

16h 55m

2 stops

BOS7:53 amBoston Logan Intl

$456

Find similar

American Airlines

Aug 13

BOS5:02 pmBoston Logan Intl

20h 53m

1 stop

UVF1:55 pmCastries Hewanorra

Aug 19

UVF3:35 pmCastries Hewanorra

9h 13m

1 stop

BOS12:48 amBoston Logan Intl

$459

Find similar

Air Canada flights from Boston to Saint Lucia

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

Air Canada

Sep 8

BOS6:30 pmBoston Logan Intl

19h 45m

2 stops

UVF2:15 pmCastries Hewanorra

Sep 12

UVF3:10 pmCastries Hewanorra

18h 20m

2 stops

BOS9:30 amBoston Logan Intl

$408

Find similar

Air Canada

Sep 4

BOS6:30 pmBoston Logan Intl

19h 45m

2 stops

UVF2:15 pmCastries Hewanorra

Sep 30

UVF3:10 pmCastries Hewanorra

23h 20m

2 stops

BOS2:30 pmBoston Logan Intl

$423

Find similar

Air Canada

Aug 29

BOS6:00 amBoston Logan Intl

8h 15m

1 stop

UVF2:15 pmCastries Hewanorra

Sep 5

UVF3:10 pmCastries Hewanorra

18h 20m

2 stops

BOS9:30 amBoston Logan Intl

$468

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Fri 9/5

7:12 pm-1:31 pm

2 stops18h 19m

Castries Hewanorra

Sat 9/13

2:35 pm-11:22 pm

1 stop8h 47m

$362

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 9/8

6:30 pm-2:15 pm

2 stops19h 45m

Castries Hewanorra

Fri 9/12

3:10 pm-9:30 am

2 stops18h 20m

$408

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Thu 9/4

6:30 pm-2:15 pm

2 stops19h 45m

Castries Hewanorra

Tue 9/30

3:10 pm-2:30 pm

2 stops23h 20m

$423

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 8/16

5:54 am-1:10 pm

1 stop7h 16m

Castries Hewanorra

Wed 8/20

3:35 pm-12:48 am

1 stop9h 13m

$451

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Thu 8/14

6:43 pm-1:45 pm

1 stop19h 02m

Castries Hewanorra

Tue 8/19

2:58 pm-7:53 am

2 stops16h 55m

$456

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Fri 9/12

7:08 am-2:15 pm

1 stop7h 07m

Castries Hewanorra

Fri 9/19

3:20 pm-12:14 am

1 stop8h 54m

$502

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 12/27

6:10 am-11:54 am

Nonstop4h 44m

Castries Hewanorra

Sat 1/3

1:25 pm-5:38 pm

Nonstop5h 13m

$503

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Tue 11/11

6:00 am-3:10 pm

1 stop8h 10m

Castries Hewanorra

Tue 11/18

4:35 pm-1:00 am

1 stop9h 25m

$576

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 9/17

10:20 am-2:15 pm

2 stops51h 55m

Castries Hewanorra

Sun 9/21

2:35 pm-9:30 am

2 stops18h 55m

$600

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Thu 9/25

3:15 pm-2:15 pm

2 stops23h 00m

Castries Hewanorra

Sun 9/28

2:35 pm-9:30 am

2 stops18h 55m

$603

Flights are sorted by cheapest round-trip flights first.

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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 March is, on average, the cheapest month to fly to Saint Lucia from Boston, with most prices found around $528. If you aren’t able to travel to Saint Lucia during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $557.

What is the cheapest day to depart on your flight to Saint Lucia?

Our data shows that Wednesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $530. On the other hand, Saturday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $772.

What is the cheapest time of day to depart on your flight to Saint Lucia?

Our data shows that the cheapest Boston to Saint Lucia flights are usually those with departure times in the afternoon. Our users have found flights to Saint Lucia in the afternoon for as low as $645. Flights in the morning are often more expensive with an average ticket price of $670.

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 Logan Intl to Saint Lucia flights?

There are 1 cabin classes available to choose from on Boston Logan Intl 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?

No. A direct flight is the cheapest option for a flight between Boston to Saint Lucia.

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	$133
Fastest flight time	4h 42m
Direct flights	Mon, Thu, Sat and Sun
Airports in Saint Lucia	2 airports

The best one-way flight to Saint Lucia from Boston in the past 72 hours is $133. The best round-trip flight deal from Boston to Saint Lucia found on momondo in the last 72 hours is $362.

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

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

There are 2 airports near Saint Lucia: Castries Hewanorra (UVF), Castries George F. L. Charle (SLU)

Search flight deals

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 5 as of July 2025.
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 93.48% of the total bookings. Other popular models include Airbus A320-100/200 with 4.35% and Airbus A321-100/200 with 2.17%.

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
United Airlines	PriceFrom $361	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
JetBlue	PriceFrom $363	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
American Airlines	PriceFrom $386	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $387	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Air Canada	PriceFrom $457	Free Cancellation	Rating 7.1 9,851 reviews	Search Air Canada 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 $458

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 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Boston to Saint Lucia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

American Airlines flights from Boston to Saint Lucia

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

Air Canada flights from Boston to Saint Lucia

Our best Air Canada 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

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

What is the cheapest month to fly to Saint Lucia?

What is the cheapest day to depart on your flight to Saint Lucia?

What is the cheapest time of day to depart on your flight to Saint Lucia?

Our data shows that the cheapest Boston to Saint Lucia flights are usually those with departure times in the afternoon. Our users have found flights to Saint Lucia in the afternoon for as low as $645. Flights in the morning are often more expensive with an average ticket price of $670.

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 Logan Intl to Saint Lucia flights?

There are 1 cabin classes available to choose from on Boston Logan Intl 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?

No. A direct flight is the cheapest option for a flight between Boston to Saint Lucia.

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

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

What airlines fly to Saint Lucia?

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

Fastest flight time

Direct flights

Airports in Saint Lucia

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

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

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

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

What is the most popular plane model 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?

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

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

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

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

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