Cheap Flights from Castries to Boston from AU$399️ 2024

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Find Castries to Boston flights starting at AU$399.

Book one-way or return flights from Castries to Boston from as little as AU$399. 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 Cheapest Airlines Flying 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.

United Airlines

From AU$399

Jetblue Airways

From AU$506

WestJet

From AU$526

American Airlines

From AU$546

Caribbean Airlines

From AU$641

ANA airlines

Find more flights and airlines

Alternative Routes for Castries to Boston Flights

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

Cheapest
UVF
14:35
8h 19m
1 transfer
BOS
22:54
Hewanorra Airport - General Edward Lawrence Logan International Airport
Sat, Jun 15United Airlines
AU$399
SLU
16:35
18h 9m
2 transfer
BOS
10:44
George F. L. Charles Airport - General Edward Lawrence Logan International Airport
Mon, May 20Caribbean Airlines
AU$641
SLU
16:35
18h 9m
2 transfer
BOS
10:44
George F. L. Charles Airport - General Edward Lawrence Logan International Airport
Mon, May 20Caribbean Airlines
AU$641
Find More Flights

How do I find the cheapest flights?

When are flight tickets from Castries (SLU) to Boston (BOS) the cheapest?
Airlines adjust prices for flights from Castries to Boston based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Castries (SLU) to Boston (BOS) cost?
According to Trip.com's data, the lowest price is around AU$928.
What's the most popular airline for direct flights from Castries (SLU) to Boston (BOS)?
Jetblue Airways operates 1 direct flights from Castries (SLU) to Boston (BOS).
How many airports in Boston (BOS)?
There are 3 airport(s) in Boston (BOS): Hartford Barnes Airport, General Edward Lawrence Logan International Airport and Portsmouth International Airport.

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