$150 Find Cheap Flights from Boston to Castries - Compare and Save

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.

Only JetBlue operates flights between Boston and Castries.

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

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 travelers should check the fare details before booking.

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

• Economy Class
• Premium Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $537 round-trip via Newark (EWR), compared to $961 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $49–$98 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

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.

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

• New York John F Kennedy Intl (JFK) - 54% of one-stop connections
• Miami (MIA) - 24% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 11% of one-stop connections
• Philadelphia (PHL) - 6% of one-stop connections

New York John F Kennedy Intl (JFK) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 30% on the Boston to Castries route. 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.

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

• Earliest: departs at 7:00 am and lands at 11:57 am
• Latest: departs at 8:20 am and lands at 1:17 pm.

The flight takes about 4h 57m.

Last-minute fares on this route - booked within 2 weeks of departure - run 30% above the route average of $708. Book 7 weeks before departure for the lowest fares.

A nonstop flight from Boston to Castries takes 4h 57m, covering 2,066 miles.

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.

One-way fares from Boston to Castries are currently lower than usual. Average one-way flight prices are about $159, which is 45% below the typical average for this route.

Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 8h 08m, compared with 8h 21m via Philadelphia (PHL) and 8h 27m via Charlotte Douglas (CLT).

Castries Hewanorra Airport (UVF) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:
• Drive A Matic
• Sixt
• Final Rentals
• Ace
• Hertz

Round-trip flights from Boston to Castries range from $562 to $980, with an average of $708 over the past 12 months. Anything below $562 counts as a good deal.

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