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Castries

$119+ Cheap flights from Boston (BOS) to Castries (UVF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — UVF
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Boston to Castries

Best flights from Boston to Castries
Discover carefully curated flight deals from Boston to Castries that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This Delta deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:50 pmBOS - UVF
1 stop19h 08mDelta
Mon 3/163:18 pmUVF - BOS
1 stop18h 46mDelta
Deal found 12/30$347
This JetBlue deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/37:08 amBOS - UVF
1 stop7h 45mJetBlue
Fri 2/135:06 pmUVF - BOS
1 stop7h 53mJetBlue
Deal found 12/31$399
This Delta deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/265:35 amBOS - UVF
1 stop8h 30mDelta
Thu 2/54:25 pmUVF - BOS
1 stop9h 39mDelta
Deal found 1/1$348
This JetBlue deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/37:08 amBOS - UVF
1 stop7h 45mJetBlue
Thu 2/124:51 pmUVF - BOS
1 stop15h 22mJetBlue
Deal found 12/31$399
This JetBlue deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:50 amBOS - UVF
Nonstop4h 45mJetBlue
Sat 3/76:40 pmUVF - BOS
Nonstop5h 10mJetBlue
Deal found 1/1$414
This Delta deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:35 amBOS - UVF
1 stop8h 23mDelta
Wed 3/183:18 pmUVF - BOS
1 stop9h 55mDelta
Deal found 12/30$442
This JetBlue deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/107:08 amBOS - UVF
1 stop7h 45mJetBlue
Sat 2/143:20 pmUVF - BOS
Nonstop5h 12mJetBlue
Deal found 1/1$437
This Delta deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:25 pmBOS - UVF
1 stop17h 40mDelta
Mon 3/163:18 pmUVF - BOS
1 stop18h 46mDelta
Deal found 12/30$442
This JetBlue deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:08 amBOS - UVF
1 stop7h 45mJetBlue
Sat 2/146:30 pmUVF - BOS
Nonstop5h 10mJetBlue
Deal found 12/31$438
This JetBlue deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/267:08 amBOS - UVF
1 stop7h 33mJetBlue
Thu 1/295:21 pmUVF - BOS
1 stop7h 52mJetBlue
Deal found 12/30$439
This JetBlue deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:10 amBOS - UVF
1 stop9h 43mJetBlue
Sat 2/145:02 pmUVF - BOS
1 stop7h 57mJetBlue
Deal found 12/31$441

Find flight deals from Boston to Castries

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Castries (UVF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 2, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$291
(American Airlines)

One-way from

$119
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$517
Provider with most accurate pricing for Boston Logan Intl-Castries Hewanorra flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Castries Hewanorra flights.
Search Deals
From Boston Logan Intl to Castries Hewanorra
Search Deals
One-way flight from Boston Logan Intl to Castries Hewanorra
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Castries that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 2, 2026.
Use the filters below to find and compare flights from Boston to Castries that are best for you.

Fly from

Boston

Fly to

Castries

Route

Depart

Return

Price

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 3/9

6:50 pm-1:58 pm

1 stop19h 08m

Castries Hewanorra

Mon 3/16

3:18 pm-10:04 am

1 stop18h 46m

$347

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 1/26

5:35 am-3:05 pm

1 stop8h 30m

Castries Hewanorra

Thu 2/5

4:25 pm-1:04 am

1 stop9h 39m

$348

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Tue 2/3

7:08 am-3:53 pm

1 stop7h 45m

Castries Hewanorra

Fri 2/13

5:06 pm-11:59 pm

1 stop7h 53m

$399

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Tue 2/3

7:08 am-3:53 pm

1 stop7h 45m

Castries Hewanorra

Thu 2/12

4:51 pm-7:13 am

1 stop15h 22m

$399

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 2/28

11:50 am-5:35 pm

Nonstop4h 45m

Castries Hewanorra

Sat 3/7

6:40 pm-10:50 pm

Nonstop5h 10m

$414

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Tue 2/10

7:08 am-3:53 pm

1 stop7h 45m

Castries Hewanorra

Sat 2/14

3:20 pm-7:32 pm

Nonstop5h 12m

$437

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sun 2/8

7:08 am-3:53 pm

1 stop7h 45m

Castries Hewanorra

Sat 2/14

6:30 pm-10:40 pm

Nonstop5h 10m

$438

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 1/26

7:08 am-3:41 pm

1 stop7h 33m

Castries Hewanorra

Thu 1/29

5:21 pm-12:13 am

1 stop7h 52m

$439

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 2/9

5:10 am-3:53 pm

1 stop9h 43m

Castries Hewanorra

Sat 2/14

5:02 pm-11:59 pm

1 stop7h 57m

$441

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Tue 3/10

5:35 am-1:58 pm

1 stop8h 23m

Castries Hewanorra

Wed 3/18

3:18 pm-1:13 am

1 stop9h 55m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 21 results
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Compare providers for flights from Boston to Castries

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Castries in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Castries flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Castries flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Castries flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Castries flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Castries flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Castries

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Castries. Price data was last updated on December 26, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Castries, you should look to book at least 11 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to Castries?

Currently, May is the cheapest month in which you can book a flight from Boston to Castries (average of $214). Flying from Boston to Castries in September is currently the most expensive (average of $543). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to UVF?

Find hourly flight availability from Boston to Castries. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 2, 2026.

When flying from Boston to Castries, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Castries

Get insights into the airlines that provide service to Castries. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Castries. Reviews last updated January 2, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Boston to Castries by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,021 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,132 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,074 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,903 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,574 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Castries?

    For as low as $399, Delta can have you in Castries from Boston in 7h 45m. The distance from Boston to Castries is about 2066 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Boston to Castries round-trip?

    United Airlines, at $188, was found to be the cheapest airline from Boston to Castries.Alternate airlines to your destination round-trip include Delta and Air Canada. You may be able to fly from Boston to Castries for 71% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boston to Castries one-way?

    One-way options have recently been found by users for as low as $138 on JetBlue. Other airlines that offer cheap prices include American Airlines from $143 and Air Canada from $161 one-way.

  • What are the cheapest flights from Boston to Castries?

    On average you can expect to pay $885 for a flight from Boston to Castries. The cheapest flight overall is $562 while the most popular route, (Boston Logan Intl - Castries Hewanorra) is currently priced at $348.

  • Can I find deals for flights from Boston to Castries that include hotel bookings?

    Yes. In addition to deals on Boston to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Castries.

  • Can I find deals for business class flights from Boston to Castries?

    Yes. Cheapflights offers flight deals from Boston to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Castries?

    Currently, May is the cheapest month in which you can book a flight from Boston to Castries (average of $214). Flying from Boston to Castries in September is currently the most expensive (average of $543). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boston to Castries

See prices for flight routes from nearby airports that may be better suited for you.
Hartford to Castries flights
Boston to Castries flights
Albany to Castries flights

Top 5 airlines flying from Boston to Castries

Discover the top 5 airlines that operate flights from Boston to Castries. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$357Average$691FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$373Average$672FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$385Average$597FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$389Average$695FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$457Average$531FlexibilityNo cancel feeOn-time67%

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