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 62% 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.

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

Delta and United Airlines are the most popular carriers operating from Boston Logan Intl 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 June 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.

$135 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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 am - 2:14 pm

BOS

UVF

8h 44m

1 stop

3:34 pm - 1:25 am

UVF

BOS

9h 51m

1 stop

$370Delta

Thu, Aug 27 - Mon, Aug 31

5:30 am - 2:14 pm

BOS

UVF

8h 44m

1 stop

3:34 pm - 12:38 am

UVF

BOS

9h 04m

1 stop

$464Delta

Sat, Aug 29 - Sat, Sep 5

8:15 pm - 3:10 pm

BOS

UVF

17h 55m

1 stop

4:25 pm - 12:58 am

UVF

BOS

9h 33m

1 stop

$489Delta

Tue, Nov 10 - Fri, Nov 13

5:30 am - 2:12 pm

BOS

UVF

8h 42m

1 stop

3:33 pm - 1:20 am

UVF

BOS

9h 47m

1 stop

$499Delta

Wed, Jul 8 - Tue, Jul 14

5:45 am - 2:26 pm

BOS

UVF

8h 41m

1 stop

3:41 pm - 12:58 am

UVF

BOS

9h 17m

1 stop

$529Delta

Wed, Oct 14 - Wed, Oct 21

8:05 pm - 4:25 pm

BOS

UVF

19h 20m

2 stops

5:17 pm - 9:25 am

UVF

BOS

17h 08m

1 stop

$549United Airlines

Fri, Nov 6 - Sat, Nov 14

7:21 pm - 1:35 pm

BOS

UVF

18h 14m

2 stops

4:00 pm - 7:37 am

UVF

BOS

15h 37m

2 stops

$563American Airlines

Sat, Oct 17 - Fri, Oct 23

6:05 am - 2:20 pm

BOS

UVF

8h 15m

1 stop

3:32 pm - 9:55 am

UVF

BOS

18h 23m

2 stops

$568American Airlines

Wed, Jul 29 - Sat, Aug 1

6:00 am - 7:00 pm

BOS

SLU

13h 00m

2 stops

12:35 pm - 10:17 am

SLU

BOS

21h 42m

2 stops

$872Multiple Airlines

Sun, Oct 18 - Sat, Oct 24

7:25 pm - 3:15 pm

BOS

SLU

42h 50m

2 stops

12:35 pm - 12:12 pm

SLU

BOS

24h 37m

2 stops

$874Multiple Airlines

Fri, Nov 6 - Wed, Nov 11

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American Airlines flights from Boston to Saint Lucia

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

American Airlines

Jul 8

BOS5:55 pmBoston Logan Intl

18h 13m

1 stop

UVF12:08 pmCastries Hewanorra

Jul 11

UVF2:50 pmCastries Hewanorra

18h 51m

1 stop

BOS9:41 amBoston Logan Intl

$563

American Airlines

Jul 8

BOS5:05 pmBoston Logan Intl

19h 03m

2 stops

UVF12:08 pmCastries Hewanorra

Jul 11

UVF2:22 pmCastries Hewanorra

9h 28m

1 stop

BOS11:50 pmBoston Logan Intl

$568

American Airlines

Nov 12

BOS2:58 pmBoston Logan Intl

23h 52m

1 stop

UVF3:50 pmCastries Hewanorra

Nov 18

UVF4:04 pmCastries Hewanorra

18h 52m

1 stop

BOS9:56 amBoston Logan Intl

$570

Air Canada flights from Boston to Saint Lucia

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

Air Canada

Oct 29

BOS3:10 pmBoston Logan Intl

24h 30m

1 stop

UVF3:40 pmCastries Hewanorra

Nov 1

UVF5:40 pmCastries Hewanorra

29h 57m

1 stop

BOS10:37 pmBoston Logan Intl

$572

Air Canada

Nov 1

BOS3:10 pmBoston Logan Intl

24h 30m

1 stop

UVF4:40 pmCastries Hewanorra

Nov 8

UVF5:40 pmCastries Hewanorra

26h 22m

2 stops

BOS7:02 pmBoston Logan Intl

$585

Air Canada

Nov 1

BOS10:35 amBoston Logan Intl

29h 05m

2 stops

UVF4:40 pmCastries Hewanorra

Nov 8

UVF5:40 pmCastries Hewanorra

22h 13m

2 stops

BOS2:53 pmBoston Logan Intl

$588

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Thu 8/27

5:30 am-2:14 pm

1 stop8h 44m

Castries Hewanorra

Mon 8/31

3:34 pm-1:25 am

1 stop9h 51m

$370

Quickest round-trip

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 8/29

5:30 am-2:14 pm

1 stop8h 44m

Castries Hewanorra

Sat 9/5

3:34 pm-12:38 am

1 stop9h 04m

$464

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Tue 11/10

8:15 pm-3:10 pm

1 stop17h 55m

Castries Hewanorra

Fri 11/13

4:25 pm-12:58 am

1 stop9h 33m

$489

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 7/8

5:30 am-2:12 pm

1 stop8h 42m

Castries Hewanorra

Tue 7/14

3:33 pm-1:20 am

1 stop9h 47m

$499

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 10/14

5:45 am-2:26 pm

1 stop8h 41m

Castries Hewanorra

Wed 10/21

3:41 pm-12:58 am

1 stop9h 17m

$529

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Fri 11/6

8:05 pm-4:25 pm

2 stops19h 20m

Castries Hewanorra

Sat 11/14

5:17 pm-9:25 am

1 stop17h 08m

$549

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 10/17

7:21 pm-1:35 pm

2 stops18h 14m

Castries Hewanorra

Fri 10/23

4:00 pm-7:37 am

2 stops15h 37m

$563

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 7/29

6:05 am-2:20 pm

1 stop8h 15m

Castries Hewanorra

Sat 8/1

3:32 pm-9:55 am

2 stops18h 23m

$568

BostonCastries

BOS - SLU

BOSSLU

Boston Logan Intl

Sun 10/18

6:00 am-7:00 pm

2 stops13h 00m

Castries George F. L. Charle

Sat 10/24

12:35 pm-10:17 am

2 stops21h 42m

$872

BostonCastries

BOS - SLU

BOSSLU

Boston Logan Intl

Fri 11/6

7:25 pm-3:15 pm

2 stops42h 50m

Castries George F. L. Charle

Wed 11/11

12:35 pm-12:12 pm

2 stops24h 37m

$874

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

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

There is only 1 cabin class 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 28% 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

Fastest flight time	4h 40m
Direct flights	Mon and Sun
Airports in Saint Lucia	7 airports

The fastest flight from Boston to Saint Lucia takes 4h 40m

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 June 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 61.54% of the total bookings. Other popular models include Airbus A321-100/200 with 15.38%, Airbus A321neo with 7.69%, and Boeing 737-700 with 7.69%.

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 8,454 reviews	Search Delta flights
American Airlines	PriceFrom $292	Free Cancellation	Rating 7.1 11,771 reviews	Search American Airlines flights
JetBlue	PriceFrom $382	Free Cancellation	Rating 7.1 3,013 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

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Flights to Castriesfrom $530

Cheap flights from Boston to Saint Lucia from $135

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 7/24. 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

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

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

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

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According to popular flight searches on momondo this year

Fly your favorite airline to Saint Lucia

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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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According to popular flight searches on momondo this year