What is the cheapest airline that flies from Boston Logan Intl to Castries Hewanorra?

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

Which airport is the most popular layover for flights between Boston and Castries?

New York (JFK) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Castries?

JetBlue, American Airlines and Delta are the top three most popular airlines that fly to Castries 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 Castries. Keep in mind that there are 3 different airlines that fly to Castries on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Boston to Castries?

Flights via New York (JFK) offer the lowest average round-trip price of $634.

Which layover airport has the shortest travel time from Boston to Castries?

Flights connecting via New York (JFK) have the shortest average one-way travel time: 7h 52m.

Which layover airport has the shortest connection time from Boston to Castries?

Atlanta (ATL) has the shortest average layover time for this route: 1h 22m.

When did momondo last update prices for flights from Boston Logan Intl Airport to Castries Hewanorra Airport?

Prices for flights from Boston Logan Intl Airport to Castries Hewanorra Airport are updated daily.

How many operators does momondo search for flights from Boston Logan Intl Airport to Castries Hewanorra Airport?

The number of operators available for flights from Boston Logan Intl Airport to Castries Hewanorra Airport is 3 as of April 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Castries Hewanorra Airport?

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 Castries Hewanorra Airport.

What documentation or ID do you need to fly to Castries Hewanorra Airport?

The travel and health documents you'll need for your trip to Castries Hewanorra Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Castries Hewanorra Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$105 Cheap Flights from Boston to Castries in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Boston to Castries

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:44 pm - 2:04 pm

BOS

UVF

19h 20m

2 stops

4:00 pm - 1:21 pm

UVF

BOS

21h 21m

2 stops

$305American Airlines

Sat, Sep 5 - Thu, Sep 10

5:45 am - 2:08 pm

BOS

UVF

8h 23m

1 stop

3:28 pm - 1:06 am

UVF

BOS

9h 38m

1 stop

$348Delta

Sat, Aug 29 - Thu, Sep 3

5:22 pm - 2:14 pm

BOS

UVF

20h 52m

2 stops

3:04 pm - 11:41 pm

UVF

BOS

32h 37m

2 stops

$399American Airlines

Thu, Aug 13 - Wed, Aug 19

3:19 pm - 2:04 pm

BOS

UVF

22h 45m

2 stops

3:04 pm - 11:41 pm

UVF

BOS

32h 37m

2 stops

$404American Airlines

Wed, Aug 12 - Wed, Aug 19

5:22 pm - 2:29 pm

BOS

UVF

21h 07m

2 stops

3:04 pm - 12:16 pm

UVF

BOS

21h 12m

2 stops

$419American Airlines

Sat, Aug 29 - Wed, Sep 2

5:00 pm - 2:10 pm

BOS

UVF

21h 10m

1 stop

3:05 pm - 9:49 am

UVF

BOS

18h 44m

1 stop

$422Air Canada

Thu, Jun 11 - Tue, Jun 16

7:22 pm - 2:29 pm

BOS

UVF

19h 07m

2 stops

4:00 pm - 12:20 pm

UVF

BOS

20h 20m

2 stops

$424American Airlines

Fri, Sep 4 - Wed, Sep 9

5:00 pm - 2:10 pm

BOS

UVF

21h 10m

1 stop

3:05 pm - 9:45 am

UVF

BOS

18h 40m

2 stops

$426Air Canada

Thu, Jun 11 - Tue, Jun 16

7:05 pm - 1:25 pm

BOS

UVF

18h 20m

2 stops

2:20 pm - 8:14 am

UVF

BOS

17h 54m

2 stops

$429American Airlines

Wed, Oct 14 - Wed, Oct 21

5:36 pm - 2:29 pm

BOS

UVF

20h 53m

1 stop

3:14 pm - 9:59 am

UVF

BOS

18h 45m

2 stops

$430American Airlines

Wed, Aug 26 - Mon, Aug 31

American Airlines flights from Boston to Castries

Our best American Airlines deals on Boston to Castries flight tickets

American Airlines

Sep 5

BOS6:44 pmBoston Logan Intl

19h 20m

2 stops

UVF2:04 pmCastries Hewanorra

Sep 10

UVF4:00 pmCastries Hewanorra

20h 12m

2 stops

BOS12:12 pmBoston Logan Intl

$305

American Airlines

Aug 13

BOS5:22 pmBoston Logan Intl

20h 52m

2 stops

UVF2:14 pmCastries Hewanorra

Aug 19

UVF3:04 pmCastries Hewanorra

32h 37m

2 stops

BOS11:41 pmBoston Logan Intl

$399

American Airlines

Aug 12

BOS3:19 pmBoston Logan Intl

22h 45m

2 stops

UVF2:04 pmCastries Hewanorra

Aug 19

UVF3:04 pmCastries Hewanorra

32h 37m

2 stops

BOS11:41 pmBoston Logan Intl

$404

Delta flights from Boston to Castries

Our best Delta deals on Boston to Castries flight tickets

Delta

Aug 29

BOS5:45 amBoston Logan Intl

8h 23m

1 stop

UVF2:08 pmCastries Hewanorra

Sep 3

UVF3:28 pmCastries Hewanorra

9h 38m

1 stop

BOS1:06 amBoston Logan Intl

$348

Delta

Sep 18

BOS5:45 amBoston Logan Intl

8h 38m

1 stop

UVF2:23 pmCastries Hewanorra

Sep 23

UVF3:38 pmCastries Hewanorra

9h 28m

1 stop

BOS1:06 amBoston Logan Intl

$547

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 9/5

6:44 pm-2:04 pm

2 stops19h 20m

Castries Hewanorra

Thu 9/10

4:00 pm-1:21 pm

2 stops21h 21m

$305

Quickest round-trip

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 8/29

5:45 am-2:08 pm

1 stop8h 23m

Castries Hewanorra

Thu 9/3

3:28 pm-1:06 am

1 stop9h 38m

$348

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Thu 8/13

5:22 pm-2:14 pm

2 stops20h 52m

Castries Hewanorra

Wed 8/19

3:04 pm-11:41 pm

2 stops32h 37m

$399

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 8/12

3:19 pm-2:04 pm

2 stops22h 45m

Castries Hewanorra

Wed 8/19

3:04 pm-11:41 pm

2 stops32h 37m

$404

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 8/29

5:22 pm-2:29 pm

2 stops21h 07m

Castries Hewanorra

Wed 9/2

3:04 pm-12:16 pm

2 stops21h 12m

$419

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Thu 6/11

5:00 pm-2:10 pm

1 stop21h 10m

Castries Hewanorra

Tue 6/16

3:05 pm-9:49 am

1 stop18h 44m

$422

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Fri 9/4

7:22 pm-2:29 pm

2 stops19h 07m

Castries Hewanorra

Wed 9/9

4:00 pm-12:20 pm

2 stops20h 20m

$424

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Thu 6/11

5:00 pm-2:10 pm

1 stop21h 10m

Castries Hewanorra

Tue 6/16

3:05 pm-9:45 am

2 stops18h 40m

$426

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-8:14 am

2 stops17h 54m

$429

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 8/26

5:36 pm-2:29 pm

1 stop20h 53m

Castries Hewanorra

Mon 8/31

3:14 pm-9:59 am

2 stops18h 45m

$430

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 Castries

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

Layovers

What is the typical price of a round-trip flight between Boston and Castries?

What is the cheapest month to fly to Castries?

The month of January is, on average, the cheapest month to fly to Castries from Boston, with most prices found around $517. The month of August is another great option to travel to Castries, with average flight prices from Boston averaging around $538.

What is the cheapest day to depart on your flight to Castries?

The cheapest day to depart from Boston to Castries is on a Saturday when prices can be found for as low as $847. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $997. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

What is the cheapest Boston Logan Intl to Castries Hewanorra flight route?

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

How far in advance should I book a flight from Boston to Castries?

You are more likely to see cheaper flights to Castries from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Castries for around $676 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Castries from Boston for as low as $411 on momondo.

Can stopping save me money on Boston to Castries flights?

You could potentially save up to 20% on your flight if you consider stops on a Boston to Castries flight.

How have Boston to Castries flight prices changed over time?

When to book flights from Boston to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Castries according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Castries (BOS to UVF) flight deals and tips

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

Best Price Found	$1,023
Fastest flight time	4h 50m
Direct flights	Sun
Airports in Castries	1 airport

The best flight deal from Boston to Castries found on momondo in the last 72 hours is $1,023

The fastest flight from Boston to Castries takes 4h 50m

Direct flights go from Boston to Castries on Sunday. There are no airlines offering direct flights.

There is 1 airport in Castries. From Boston there are direct flights to Castries Hewanorra (UVF).

Search flight deals

Frequently asked questions about flying from Boston to Castries

How far is Boston Logan Intl to Castries Hewanorra by plane?
The straight-line distance from Boston Logan Intl to Castries Hewanorra is 2047.6 mi. A reasonable flight in good conditions will take 4h 50m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Castries Hewanorra Airport?
Prices for flights from Boston Logan Intl Airport to Castries Hewanorra Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Castries Hewanorra Airport?
The number of operators available for flights from Boston Logan Intl Airport to Castries Hewanorra Airport is 3 as of April 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Castries Hewanorra Airport?
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 Castries Hewanorra Airport.
What documentation or ID do you need to fly to Castries Hewanorra Airport?
The travel and health documents you'll need for your trip to Castries Hewanorra Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Castries Hewanorra Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to Castries?
momondo data reveals that the most frequently booked plane model on the route from Boston to Castries is Airbus A318/A319/A320/A321, representing 57.69% of all bookings. The subsequent popular models are Airbus A320-100/200 at 23.08%, Airbus A321-100/200 at 11.54%, and Airbus A321neo at 3.85%.
What is the most popular airline from Boston to Castries?
Based on momondo bookings for flights between Boston and Castries, the leading airline is JetBlue, making up 66% of the total bookings. Other popular airlines include American Airlines with 29% and Delta with 5%.

Best airlines flying from Boston to Castries

Compare and see reviews for airlines that fly from Boston to Castries with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $140	Free Cancellation	Rating 7.9 8,465 reviews	Search Delta flights
American Airlines	PriceFrom $292	Free Cancellation	Rating 7.1 11,678 reviews	Search American Airlines flights
JetBlue	PriceFrom $448	Free Cancellation	Rating 7.1 2,968 reviews	Search JetBlue flights

Vieux Fort

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Castries for you.

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

Yes. momondo enables you to select and highlight flights to Castries from Boston with this policy.

How can momondo help me find flights from Boston to Castries?

momondo helps you find the best flight between Boston and Castries by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Boston to Castries flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Castries 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 5/29

Fri 6/5

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Saint Lucia

Nearby airports

Airlines

Cabin classes

Other Saint Lucia destinations

Other flights from Boston

Complete your trip

Feeling lucky

Airports servicing Saint Lucia

Castries George F. L. Charle Airport

Cheap flights from Boston to Castries from $105

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 Castries departing on 8/6. 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

Price Alerts

Price Alerts

Find the cheapest flights from Boston to Castries

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

American Airlines flights from Boston to Castries

Our best American Airlines deals on Boston to Castries flight tickets

Delta flights from Boston to Castries

Our best Delta deals on Boston to Castries flight tickets

momondo Fare Finder

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

See travel insights to Castries from

How to get the cheapest flight ticket from Boston to Castries

What is the typical price of a round-trip flight between Boston and Castries?

What is the cheapest month to fly to Castries?

What is the cheapest day to depart on your flight to Castries?

What is the cheapest Boston Logan Intl to Castries Hewanorra flight route?

How far in advance should I book a flight from Boston to Castries?

Can stopping save me money on Boston to Castries flights?

How have Boston to Castries flight prices changed over time?

What is the cheapest airline that flies from Boston Logan Intl to Castries Hewanorra?

What airlines fly to Castries?

Which airport is the most popular layover for flights between Boston and Castries?

Which layover airport offers the lowest fares from Boston to Castries?

Which layover airport has the shortest travel time from Boston to Castries?

Which layover airport has the shortest connection time from Boston to Castries?

When to book flights from Boston to Castries

Cheap Boston to Castries (BOS to UVF) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Castries

Frequently asked questions about flying from Boston to Castries

Best airlines flying from Boston to Castries

Compare and see reviews for airlines that fly from Boston to Castries with momondo

Traveling to a place near Castries?

Why use momondo?

An easier way to manage your Castries 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

Airports servicing Saint Lucia

Fly your favorite airline to Castries

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Castries

List of cabin classes available on flights landing in Castries. Availability may vary depending on flight origin and airline.

Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Boston

According to popular flight searches on momondo this year

Complete your trip to Castries

Explore popular destinations other users love

According to popular flight searches on momondo this year