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Castries

$133+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — UVF
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Castries Hewanorra are usually found in January or March, booked 43 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 August 18, 2025.

Round-trip from

$404
(Air Canada)

One-way from

$133
(United Airlines)

Popular in

April

Cheapest in

January

Average price

$561
From Boston Logan Intl to Castries Hewanorra
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One-way flight from Boston Logan Intl to Castries Hewanorra
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Highest demand for flights based on searches. 5% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Boston to Castries

Cheapest flights from Boston to Castries
Explore the most affordable flight options available from Boston to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Air Canada deal was found by Cheapflights users on 8/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:00 amBOS - UVF
2 stops32h 15mAir Canada
Tue 10/213:10 pmUVF - BOS
2 stops18h 20mAir Canada
Deal found 8/17$404
This Air Canada deal was found by Cheapflights users on 8/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:30 pmBOS - UVF
2 stops19h 45mAir Canada
Fri 9/123:10 pmUVF - BOS
2 stops18h 20mAir Canada
Deal found 8/18$408
This Air Canada deal was found by Cheapflights users on 8/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/94:35 pmBOS - UVF
1 stop22h 50mAir Canada
Fri 11/145:15 pmUVF - BOS
1 stop23h 42mAir Canada
Deal found 8/16$418
This Air Canada deal was found by Cheapflights users on 8/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:40 pmBOS - UVF
2 stops19h 35mAir Canada
Tue 9/303:10 pmUVF - BOS
2 stops23h 20mAir Canada
Deal found 8/17$419
This Air Canada deal was found by Cheapflights users on 8/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:55 pmBOS - UVF
1 stop19h 30mAir Canada
Sun 12/75:15 pmUVF - BOS
2 stops41h 17mAir Canada
Deal found 8/17$428
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:20 amBOS - UVF
1 stop29h 11mUnited Airlines
Sat 9/202:35 pmUVF - BOS
1 stop30h 03mUnited Airlines
Deal found 8/18$450
This Air Canada deal was found by Cheapflights users on 8/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/74:35 pmBOS - UVF
1 stop22h 50mAir Canada
Sun 12/145:15 pmUVF - BOS
1 stop30h 22mAir Canada
Deal found 8/17$453
This Expedia deal was found by Cheapflights users on 8/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:23 amBOS - UVF
1 stop8h 52mJetBlue
Fri 9/123:20 pmUVF - BOS
1 stop8h 54mJetBlue
Deal found 8/18$465
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:00 amBOS - UVF
1 stop7h 31mUnited Airlines
Sat 9/202:35 pmUVF - BOS
1 stop8h 47mUnited Airlines
Deal found 8/16$467

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 August 18, 2025.
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

Thu 9/11

12:15 pm-2:15 pm

1 stop26h 00m

Castries Hewanorra

Tue 9/23

3:10 pm-11:29 am

1 stop20h 19m

$408

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 9/8

4:45 pm-2:15 pm

1 stop21h 30m

Castries Hewanorra

Fri 9/12

3:10 pm-9:55 am

1 stop18h 45m

$408

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sun 11/9

6:40 pm-4:25 pm

2 stops20h 45m

Castries Hewanorra

Fri 11/14

5:15 pm-2:52 pm

2 stops22h 37m

$418

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 11/10

6:15 am-4:25 pm

1 stop9h 10m

Castries Hewanorra

Fri 11/14

5:15 pm-2:52 pm

2 stops22h 37m

$418

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sun 9/14

10:20 am-2:15 pm

2 stops51h 55m

Castries Hewanorra

Fri 9/19

3:10 pm-9:30 am

2 stops18h 20m

$418

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 11/15

6:00 am-4:25 pm

1 stop9h 25m

$133

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 9/15

4:45 pm-2:15 pm

1 stop21h 30m

$149

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Thu 9/18

10:20 am-2:15 pm

2 stops27h 55m

$154

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sun 10/19

10:20 am-2:15 pm

2 stops51h 55m

$154

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 9/17

10:20 am-2:15 pm

2 stops51h 55m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 12 results
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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 August 8, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Castries, you should look to book at least 43 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, January is the cheapest month in which you can book a flight from Boston to Castries (average of $556). Flying from Boston to Castries in December is currently the most expensive (average of $730). 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 August 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Castries in the morning. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight at noon.

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 August 18, 2025.
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
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.2
Good
2,915 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,992 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $408, Air Canada can have you in Castries from Boston in 26h. The distance from Boston to Castries is about 2066 mi.

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

    United Airlines, at $361, was found to be the cheapest airline from Boston to Castries.Alternate airlines to your destination round-trip include JetBlue and American Airlines. You may be able to fly from Boston to Castries for 43% less than the average price by searching for these airlines.

  • What are the cheapest flights from Boston to Castries?

    On average you can expect to pay $770 for a flight from Boston to Castries. The cheapest flight overall is $251 while the most popular route, (Boston Logan Intl - Castries Hewanorra) is currently priced at $454.

  • 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, January is the cheapest month in which you can book a flight from Boston to Castries (average of $556). Flying from Boston to Castries in December is currently the most expensive (average of $730). 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$361Average$587FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$362Average$619FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$386Average$704FlexibilityNo cancel feeOn-time71%
DeltaCheapest$387Average$706FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$457Average$531FlexibilityNo cancel feeOn-time67%

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