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

Delta, United Airlines, 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 68% 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 May 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.

$125 Cheap Flights from Boston to Saint Lucia in 2026

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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.

5:27 am - 2:14 pm

BOS

UVF

8h 47m

1 stop

3:14 pm - 9:59 am

UVF

BOS

18h 45m

2 stops

$373American Airlines

Fri, Aug 28 - Mon, Aug 31

5:20 pm - 1:21 pm

BOS

UVF

19h 01m

2 stops

4:50 pm - 10:34 am

UVF

BOS

18h 44m

2 stops

$378American Airlines

Wed, Nov 4 - Tue, Nov 10

5:18 pm - 1:21 pm

BOS

UVF

19h 03m

2 stops

2:28 pm - 12:46 am

UVF

BOS

11h 18m

1 stop

$458American Airlines

Mon, Nov 2 - Wed, Nov 11

7:05 pm - 1:25 pm

BOS

UVF

18h 20m

2 stops

2:20 pm - 8:44 am

UVF

BOS

18h 24m

2 stops

$463American Airlines

Wed, Oct 14 - Wed, Oct 21

5:10 am - 2:10 pm

BOS

UVF

9h 00m

1 stop

3:05 pm - 4:08 pm

UVF

BOS

25h 03m

1 stop

$472Air Canada

Fri, Jun 5 - Fri, Jun 12

5:10 am - 2:10 pm

BOS

UVF

9h 00m

1 stop

3:05 pm - 11:46 am

UVF

BOS

20h 41m

1 stop

$474Air Canada

Fri, Jun 5 - Tue, Jun 9

3:54 pm - 1:06 pm

BOS

UVF

21h 12m

1 stop

3:16 pm - 9:22 am

UVF

BOS

18h 06m

1 stop

$475American Airlines

Fri, May 22 - Tue, May 26

5:10 am - 2:10 pm

BOS

UVF

9h 00m

1 stop

3:05 pm - 9:45 am

UVF

BOS

18h 40m

2 stops

$476Air Canada

Fri, Jun 5 - Fri, Jun 12

5:10 am - 2:10 pm

BOS

UVF

9h 00m

1 stop

3:05 pm - 2:47 pm

UVF

BOS

23h 42m

2 stops

$478Air Canada

Fri, Jun 5 - Fri, Jun 12

5:10 am - 7:00 pm

BOS

SLU

13h 50m

2 stops

12:35 pm - 9:48 am

SLU

BOS

21h 13m

2 stops

$961Multiple Airlines

Mon, Jun 15 - Sat, Jun 20

American Airlines flights from Boston to Saint Lucia

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

American Airlines

Aug 28

BOS5:27 amBoston Logan Intl

8h 47m

1 stop

UVF2:14 pmCastries Hewanorra

Aug 31

UVF3:14 pmCastries Hewanorra

18h 45m

2 stops

BOS9:59 amBoston Logan Intl

$373

American Airlines

Nov 4

BOS5:20 pmBoston Logan Intl

19h 01m

2 stops

UVF1:21 pmCastries Hewanorra

Nov 10

UVF4:50 pmCastries Hewanorra

18h 44m

2 stops

BOS10:34 amBoston Logan Intl

$378

American Airlines

Nov 2

BOS5:18 pmBoston Logan Intl

19h 03m

2 stops

UVF1:21 pmCastries Hewanorra

Nov 11

UVF2:28 pmCastries Hewanorra

11h 18m

1 stop

BOS12:46 amBoston Logan Intl

$458

JetBlue flights from Boston to Saint Lucia

Our best JetBlue deals on Boston to Saint Lucia flight tickets

JetBlue

May 24

BOS8:30 pmBoston Logan Intl

16h 20m

1 stop

UVF12:50 pmCastries Hewanorra

May 30

UVF4:55 pmCastries Hewanorra

15h 01m

1 stop

BOS7:56 amBoston Logan Intl

$555

JetBlue

May 23

BOS5:20 amBoston Logan Intl

10h 15m

1 stop

UVF3:35 pmCastries Hewanorra

May 27

UVF4:55 pmCastries Hewanorra

15h 01m

1 stop

BOS7:56 amBoston Logan Intl

$665

JetBlue

May 23

BOS5:20 amBoston Logan Intl

10h 15m

1 stop

UVF3:35 pmCastries Hewanorra

May 27

UVF2:10 pmCastries Hewanorra

9h 51m

1 stop

BOS12:01 amBoston Logan Intl

$725

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Fri 8/28

5:27 am-2:14 pm

1 stop8h 47m

Castries Hewanorra

Mon 8/31

3:14 pm-9:59 am

2 stops18h 45m

$373

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 11/4

5:20 pm-1:21 pm

2 stops19h 01m

Castries Hewanorra

Tue 11/10

4:50 pm-10:34 am

2 stops18h 44m

$378

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 11/2

5:18 pm-1:21 pm

2 stops19h 03m

Castries Hewanorra

Wed 11/11

2:28 pm-12:46 am

1 stop11h 18m

$458

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 10/14

7:05 pm-1:25 pm

2 stops18h 20m

Castries Hewanorra

Wed 10/21

2:20 pm-8:44 am

2 stops18h 24m

$463

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Fri 6/5

5:10 am-2:10 pm

1 stop9h 00m

Castries Hewanorra

Fri 6/12

3:05 pm-4:08 pm

1 stop25h 03m

$472

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Fri 6/5

5:10 am-2:10 pm

1 stop9h 00m

Castries Hewanorra

Tue 6/9

3:05 pm-11:46 am

1 stop20h 41m

$474

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Fri 5/22

3:54 pm-1:06 pm

1 stop21h 12m

Castries Hewanorra

Tue 5/26

3:16 pm-9:22 am

1 stop18h 06m

$475

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Fri 6/5

5:10 am-2:10 pm

1 stop9h 00m

Castries Hewanorra

Fri 6/12

3:05 pm-9:45 am

2 stops18h 40m

$476

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Fri 6/5

5:10 am-2:10 pm

1 stop9h 00m

Castries Hewanorra

Fri 6/12

3:05 pm-2:47 pm

2 stops23h 42m

$478

BostonCastries

BOS - SLU

BOSSLU

Boston Logan Intl

Mon 6/15

5:10 am-7:00 pm

2 stops13h 50m

Castries George F. L. Charle

Sat 6/20

12:35 pm-9:48 am

2 stops21h 13m

$961

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 $131. If you aren’t able to travel to Saint Lucia during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $140.

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

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

Fastest flight time	4h 49m
Direct flights	Sun
Airports in Saint Lucia	7 airports

The fastest flight from Boston to Saint Lucia takes 4h 49m

Direct flights go from Boston to Saint Lucia on 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 May 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 56.52% of the total bookings. Other popular models include Airbus A320-100/200 with 21.74%, Airbus A321-100/200 with 13.04%, and Airbus A321neo with 4.35%.

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 $140	Free Cancellation	Rating 7.9 8,457 reviews	Search Delta flights
American Airlines	PriceFrom $292	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights
JetBlue	PriceFrom $382	Free Cancellation	Rating 7.1 2,978 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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Flights to Castriesfrom $503

Cheap flights from Boston to Saint Lucia from $125

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 5/26. 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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American Airlines flights from Boston to Saint Lucia

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

JetBlue flights from Boston to Saint Lucia

Our best JetBlue 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?

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

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

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

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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