$334 Find Cheap Flights from Castries to Boston

App

Help

USD

Search Bookings

Trip.com

Flights

Flights to United States

Flights to Boston

Flights from Castries to Boston

Hotels in Boston

Worldwide Coverage

Flights to over 5,000 cities

One-stop Service Guarantee

Price guaranteed upon confirmed payment, booking guaranteed once tickets issued

Secure Payment

Convenient & reliable booking and payment system

Find cheap flights from Castries to Boston starting at $334.

Book one-way or return flights from Castries to Boston from as little as $334. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Castries to Boston? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Castries to Boston. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from Castries to Boston

View airlines operating flights from Castries to Boston. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Air Canada

From $331

Jetblue Airways

From $334

Caribbean Airlines

From $383

WestJet

From $500

Delta Air Lines

From $1,071

American Airlines

From $1,378

ANA airlines

Find more flights and airlines

Find cheap flights from Castries to Boston by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Castries to Boston.

Cheapest
UVF
15:40
22h 58m
2 transfer
BOS
14:38
Hewanorra Airport - General Edward Lawrence Logan International Airport
Sun, Apr 28Air Canada
$331
SLU
12:30
25h 41m
2 transfer
BOS
14:11
George F. L. Charles Airport - General Edward Lawrence Logan International Airport
Sun, Apr 28Caribbean Airlines
$383
SLU
12:30
25h 41m
2 transfer
BOS
14:11
George F. L. Charles Airport - General Edward Lawrence Logan International Airport
Sun, Apr 28Caribbean Airlines
$383
Find More Flights

Frequently Asked Questions

When are flight tickets from Castries (SLU) to Boston (BOS) the cheapest?
Airlines adjust prices for flights from Castries to Boston based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Castries (SLU) to Boston (BOS) cost?
According to Trip.com's data, the lowest price is around $591.
How long does it take to fly from Castries (SLU) to Boston (BOS) and what is the distance?
It takes around 4 hours 58 minutes to fly from Castries (SLU) to Boston (BOS).
What are the most popular airlines that fly from Castries (SLU) to Boston (BOS)?
Airlines with flights from Castries (SLU) to Boston (BOS): Qatar Airways.

How to find a cheap flight from Castries to Boston

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Castries to Boston. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Castries to Boston Flight Information

Cheapest nonstop flight price	$334
Off-season for travel	April
Peak season for travel	October
Flight distance	3,295.52km
Average flight time	4 hours 58 minutes
Popular airline	WestJet