BOS - UVF

$149 Find Cheap Flights from Boston to Castries - Compare and Save

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Everything you should know

Cheapest round-trip
$293
Typical prices: $555-$998
JetBlue
Thu 1/11Tue 1/16
BOS - UVF • 1 stop
Cheapest non-stop
$517
Typical prices: $657-$1,374
JetBlue
Wed 12/19Wed 12/26
BOS - UVF • Non-stop
Nonstop flights
1 day a week
You can fly direct with JetBlue. Average duration is 4h 51m
Direct flights
+1
Direct flights
+1
When to book
8 weeks
in advance
Our data shows that travelers who book at least 8 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 25% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Newark (EWR)
Cheapest • Avg $563 (round-trip)
Philadelphia (PHL)
Shortest trip • 8h 27m (one-way)
Insights
Insights
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We hope you love your trip to Castries!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Castries (BOS-UVF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Castries

Mon, Jan 11 - Sat, Jan 16
JetBlue Logo
5:45 am - 3:34 pmBOS  Boston Logan Intl-UVF Castries Hewanorra
8h 49m1 stop New York John F Kennedy Intl
JetBlue Logo
12:51 pm - 11:48 pmUVF  Castries Hewanorra-BOS Boston Logan Intl
11h 57m1 stop New York John F Kennedy Intl
$293JetBlue
Mon, Jan 11 - Sat, Jan 16
JetBlue Logo
5:45 am - 3:34 pmBOS  Boston Logan Intl-UVF Castries Hewanorra
8h 49m1 stop New York John F Kennedy Intl
JetBlue Logo
12:51 pm - 11:48 pmUVF  Castries Hewanorra-BOS Boston Logan Intl
11h 57m1 stop New York John F Kennedy Intl
$293JetBlue
Sun, Jan 10 - Sat, Jan 16
JetBlue Logo
5:45 am - 3:34 pmBOS  Boston Logan Intl-UVF Castries Hewanorra
8h 49m1 stop New York John F Kennedy Intl
JetBlue Logo
12:51 pm - 11:48 pmUVF  Castries Hewanorra-BOS Boston Logan Intl
11h 57m1 stop New York John F Kennedy Intl
$300JetBlue
Mon, Dec 7 - Tue, Dec 15
American Airlines Logo
6:00 am - 3:41 pmBOS  Boston Logan Intl-UVF Castries Hewanorra
8h 41m1 stop Miami
American Airlines Logo
2:32 pm - 10:58 pmUVF  Castries Hewanorra-BOS Boston Logan Intl
9h 26m1 stop Miami
$369American Airlines
Mon, Dec 7 - Tue, Dec 15
American Airlines Logo
5:04 am - 3:41 pmBOS  Boston Logan Intl-UVF Castries Hewanorra
9h 37m1 stop Miami
American Airlines Logo
2:32 pm - 12:59 amUVF  Castries Hewanorra-BOS Boston Logan Intl
11h 27m1 stop Miami
$369American Airlines
Mon, Dec 7 - Tue, Dec 15
American Airlines Logo
7:12 pm - 3:41 pmBOS  Boston Logan Intl-UVF Castries Hewanorra
19h 29m2 stops Washington, D.C. Reagan-National Miami
American Airlines Logo
4:41 pm - 7:47 amUVF  Castries Hewanorra-BOS Boston Logan Intl
16h 06m2 stops Miami Washington, D.C. Reagan-National
$373American Airlines
Thu, Dec 31 - Sat, Jan 16
United Airlines Logo
6:00 am - 2:15 pmBOS  Boston Logan Intl-UVF Castries Hewanorra
7h 15m1 stop Newark
United Airlines Logo
5:17 pm - 9:12 amUVF  Castries Hewanorra-BOS Boston Logan Intl
16h 55m1 stop Newark
$391United Airlines
Thu, Dec 31 - Sat, Jan 16
United Airlines Logo
5:35 pm - 2:15 pmBOS  Boston Logan Intl-UVF Castries Hewanorra
19h 40m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
5:17 pm - 7:44 amUVF  Castries Hewanorra-BOS Boston Logan Intl
15h 27m1 stop Newark
$395United Airlines
Wed, Jan 27 - Wed, Feb 3
Delta Logo
8:10 pm - 3:06 pmBOS  Boston Logan Intl-UVF Castries Hewanorra
17h 56m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:35 pm - 1:10 amUVF  Castries Hewanorra-BOS Boston Logan Intl
9h 35m1 stop Atlanta Hartsfield-Jackson
$399Delta
Wed, Jan 27 - Tue, Feb 2
Delta Logo
8:10 pm - 3:06 pmBOS  Boston Logan Intl-UVF Castries Hewanorra
17h 56m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:35 pm - 9:40 amUVF  Castries Hewanorra-BOS Boston Logan Intl
18h 05m1 stop Atlanta Hartsfield-Jackson
$399Delta
Booking Insights

Price, demand and travel trends for Boston to Castries flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Boston to Castries?

Round-trip flights from Boston to Castries typically range from $555 to $998. The lowest price found in the past 5 days was $293, on JetBlue.

What's the cheapest day of the week to fly from Boston to Castries?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Boston to Castries. It’s 18% cheaper than the average day, while Friday is the most expensive, with prices 16% higher.

What’s the cheapest month to fly from Boston to Castries?

•September is the cheapest month to fly from Boston to Castries at $537 round-trip.
•November ($931) and July ($885) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 73% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Boston to Castries the cheapest?

Flights from Boston to Castries are cheapest 8 weeks before departure. Booking in this window typically costs about 41% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Boston to Castries flights

Low season

September

Cheapest flight

$149
Beat the crowds with an average 57% drop in travelers.
The most popular month to fly with an average 112% increase in travelers.
One-way flight from Boston to Castries

When to book flights from Boston to Castries

Are your dates flexible? Find out the best times to travel from Boston to Castries based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Castries flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Boston to Castries?

    These are the earliest and latest flight times available from Boston to Castries:

    • Earliest: departs at 6:25 am and lands at 11:16 am
    • Latest: departs at 8:20 am and lands at 1:11 pm.

    The flight takes about 4h 51m.

  • What cabin classes can I book on flights from Boston to Castries?

    Three cabin classes are available on flights from Boston to Castries:

    • Economy Class
    • Premium Economy Class
    • First Class

  • How long is a flight from Boston to Castries?

    A nonstop flight from Boston to Castries takes 4h 51m, covering 2,066 miles.

  • Do I need a passport to fly from Boston to Castries?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Boston to Castries flight?

    Round-trip flights from Boston to Castries range from $555 to $998, with an average of $717 over the past 12 months. Anything below $555 counts as a good deal.

  • How expensive are last-minute Boston to Castries flights?

    Last-minute fares on this route (booked within two weeks of departure) run 30% above the $717 route average. Book 8 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Boston to Castries?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $563 round-trip via Newark (EWR), compared to $1,047 for nonstop.

  • What is the standard checked-bag allowance on flights from Boston to Castries?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $49–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Boston to Castries?

    The Airbus A318/A319/A320/A321 family is used most often on this route, operated mainly by JetBlue. Other aircraft seen on the route include Airbus A321-100/200 variants.

  • Which airlines offer Wi-Fi on Boston to Castries flights?

    JetBlue is the only airline on the Boston to Castries route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Boston to Castries looking right now?

    One-way fares from Boston to Castries are currently lower than usual. Average one-way flight prices are about $193, which is 35% below the typical average for this route.

  • What car rental options are available at Castries Hewanorra Airport (UVF)?

    Castries Hewanorra Airport (UVF) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

    • Drive A Matic
    • Final Rentals
    • Sixt
    • Ace
    • Hertz

  • Which airports can I use when flying from Boston to Castries?

    Flights from Boston to Castries usually depart from Boston Logan Intl (BOS) and arrive at Castries Hewanorra (UVF).

  • Which airports do connecting flights from Boston to Castries pass through?

    One-stop flights from Boston to Castries most commonly connect through:

    • New York John F Kennedy Intl (JFK) - 50% of one-stop connections
    • Miami (MIA) - 26% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 11% of one-stop connections
    • Philadelphia (PHL) - 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Boston to Castries?

    Yes. Flexible dates can save you up to 30% on flights from Boston to Castries. Tuesday is the cheapest departure day at $591 round-trip on average, while Friday is the most expensive at $835, a difference of $244.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Boston to Castries?

    Only JetBlue operates flights between Boston and Castries.

  • How much time can I save by choosing a different layover airport from Boston to Castries?

    Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 8h 27m, compared with 8h 33m via Charlotte Douglas (CLT) and 8h 53m via New York John F Kennedy Intl (JFK).

  • Which airlines offer extra legroom and free seat selection on Boston to Castries flights?

    Among airlines operating Boston to Castries flights:

    • JetBlue: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Boston to Castries flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Boston to Castries flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average $591, about $244 less than Friday fares (29% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 8 weeks before you fly. On this route, that window historically saves about 41% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to Castries trip for September. Fares historically average $537 round-trip in that month - typically $394 less than the most expensive month, which is November (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Newark Airport (EWR) can be cheaper than flying direct. The cheapest layover option averages $563 round-trip on this route - about $484 less than direct flights (based on the last 12 months).

Prefer to fly direct from Boston to Castries?

 
Find which airlines fly direct from Boston Logan Intl Airport to Castries Hewanorra Airport, which days they fly and book direct flights.

Direct departures

Boston Logan Intl to Castries Hewanorra

Saturday

JetBlue

JetBlue

Sunday

JetBlue

JetBlue

See more direct flights

Direct returns

Castries Hewanorra to Boston Logan Intl

Saturday

JetBlue

JetBlue

Sunday

JetBlue

JetBlue

See more direct flights

More options for your flight from Boston to Castries

Complete your trip to Castries with a hotel stay or car rental

Car rentals in Castries
Hotels in Castries