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Castries

$141+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — UVF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$368
(Air Canada)

One-way from

$141
(Air Canada)

Popular in

April

Cheapest in

January

Average price

$743
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. 4% potential increase in price ($31 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 June 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 June 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/11. 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 9/86:55 pmBOS - UVF
1 stop19h 20mAir Canada
Fri 9/123:10 pmUVF - BOS
1 stop27h 00mAir Canada
Deal found 6/11$368
This JetBlue deal was found by Cheapflights users on 6/10. 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 8/305:25 amBOS - UVF
1 stop10h 55mJetBlue
Wed 9/33:06 pmUVF - BOS
1 stop8h 48mJetBlue
Deal found 6/10$466
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:25 amBOS - UVF
3 stops26h 50mMultiple Airlines
Fri 9/263:10 pmUVF - BOS
2 stops18h 20mMultiple Airlines
Deal found 6/10$472
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/256:00 amBOS - UVF
1 stop7h 31mUnited Airlines
Sat 11/112:52 pmUVF - BOS
2 stops24h 36mUnited Airlines
Deal found 6/10$479
This Delta deal was found by Cheapflights users on 6/10. 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 11/116:00 amBOS - UVF
1 stop8h 10mDelta
Tue 11/184:35 pmUVF - BOS
1 stop9h 25mDelta
Deal found 6/10$517
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:10 pmBOS - UVF
2 stops21h 07mAmerican Airlines
Fri 9/263:17 pmUVF - BOS
2 stops19h 01mAmerican Airlines
Deal found 6/12$522

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 June 12, 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

Mon 9/8

6:55 pm-2:15 pm

1 stop19h 20m

Castries Hewanorra

Fri 9/12

3:10 pm-6:10 pm

1 stop27h 00m

$368

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 8/30

5:25 am-4:20 pm

1 stop10h 55m

Castries Hewanorra

Wed 9/3

3:06 pm-11:54 pm

1 stop8h 48m

$466

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 9/10

6:30 pm-2:15 pm

2 stops43h 45m

Castries Hewanorra

Sun 9/14

2:35 pm-9:25 pm

2 stops30h 50m

$499

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 8/16

5:35 am-2:15 pm

1 stop8h 40m

Castries Hewanorra

Wed 8/20

3:35 pm-1:20 am

1 stop9h 45m

$517

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 8/9

5:54 am-1:55 pm

1 stop8h 01m

Castries Hewanorra

Sat 8/16

3:35 pm-10:20 am

2 stops18h 45m

$522

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 8/9

6:07 am-3:30 pm

1 stop9h 23m

Castries Hewanorra

Sat 8/16

12:55 pm-9:26 am

1 stop20h 31m

$553

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Mon 9/8

6:00 am-2:15 pm

2 stops32h 15m

$141

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Tue 9/9

5:35 am-2:15 pm

1 stop8h 40m

$213

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Wed 6/25

8:11 pm-2:15 pm

2 stops18h 04m

$229

BostonCastries

BOS - UVF

BOSUVF

Boston Logan Intl

Sat 6/21

6:00 am-3:30 pm

1 stop9h 30m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 9, 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 June 12, 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 June 12, 2025.
To help decide which airline to fly from Boston to Castries, see what other customers have to say about Delta, United Airlines and JetBlue. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
7.3
Good
2,925 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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.

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

    Air Canada, at $368, was found to be the cheapest airline from Boston to Castries.Alternate airlines to your destination round-trip include JetBlue and United 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 airlines to fly from Boston to Castries one-way?

    One-way options have recently been found by users for as low as $141 on Air Canada. Other airlines that offer cheap prices include Delta from $213 and American Airlines from $229 one-way.

  • What are the cheapest flights from Boston to Castries?

    On average you can expect to pay $1,173 for a flight from Boston to Castries. The cheapest flight overall is $497 while the most popular route, (Boston Logan Intl - Castries Hewanorra) is currently priced at $339.

  • 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.
Boston to Castries flights
Hartford 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$361Average$587FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$365Average$628FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$386Average$708FlexibilityNo cancel feeOn-time71%
DeltaCheapest$387Average$613FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$491Average$531FlexibilityNo cancel feeOn-time67%

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