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Cheap Flights from Boston Logan International (BOS) to St Lucia Vigie (SLU)

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Flight deals from Boston Logan International to St Lucia Vigie

Looking for a cheap last-minute deal or the best return flight from Boston Logan International Airport to St Lucia Vigie Airport? If you want to travel next month, return fares start from £583. Find the lowest prices on one-way and return tickets right here.
Castries.£254 per passenger.Departing Fri, 19 Jun.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Boston Logan International on Fri, 19 Jun, arriving in St Lucia Vigie.Price includes taxes and charges.From £254, select.
Castries.£276 per passenger.Departing Sat, 29 Aug.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Boston Logan International on Sat, 29 Aug, arriving in St Lucia Vigie.Price includes taxes and charges.From £276, select.
Castries.£318 per passenger.Departing Sat, 26 Sep.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Boston Logan International on Sat, 26 Sep, arriving in St Lucia Vigie.Price includes taxes and charges.From £318, select.
Castries.£354 per passenger.Departing Wed, 15 Jul.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Boston Logan International on Wed, 15 Jul, arriving in St Lucia Vigie.Price includes taxes and charges.From £354, select.
Castries.£559 per passenger.Departing Sat, 20 Feb.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Boston Logan International on Sat, 20 Feb, arriving in St Lucia Vigie.Price includes taxes and charges.From £559, select.

Find the cheapest month to fly from Boston Logan International to St Lucia Vigie

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to St Lucia Vigie flights are currently cheapest in June.
May
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Jun
from £254
Jul
from £354
Aug
from £275
Sep
from £318
Oct
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Nov
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Dec
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Jan
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Feb
from £559
Mar
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Apr
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Boston Logan International to St Lucia Vigie: Alternative routes

Compare routes from Boston Logan International to Castries below. You may find an airport to fly into that's cheaper, faster, or easier than St Lucia Vigie.

St Lucia Vigie

1 mile from central Castries
Closest
from £254
Search flights

St Lucia Hewanorra

19 miles from central Castries
Cheapest
from £92
Search flights

Boston to Castries: Flight information

The things to know before you go.
Cheapest flight found£254
Cheapest month to flyJune

Finding cheap flights from Boston Logan International to St Lucia Vigie: Frequently asked questions

The best price we found for a return flight from Boston Logan International to St Lucia Vigie is £583. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boston Logan International to St Lucia Vigie. But we found flights with one or more stops from £583.
As of May 2026, there are no flights flying from Boston Logan International to St Lucia Vigie.
The cheapest month to fly from Boston Logan International to St Lucia Vigie is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to St Lucia Vigie Airport on Friday, 5 June 2026.
No airlines currently offer direct flights between Boston Logan International Airport and St Lucia Vigie Airport. Most routes have one or more stops.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, jetBlue offers the cheapest flight tickets to St Lucia Vigie.

Flying from Logan International Airport (BOS) to George F. L. Charles Airport (SLU): what you need to know

  • Boston and Castries follow the same timezone, UTC-4.

  • Get to the airport on time so you don't miss your BOS to SLU flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Flying during a peak month such as August? School holidays and other popular seasons can result in longer queues at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before a domestic departure.

How to find the cheapest flights from Logan International Airport (BOS) to George F. L. Charles Airport (SLU)

  • The lowest price we've seen for a one-way Logan International Airport to George F. L. Charles Airport flight is £254. A round-trip plane ticket right now is £583. Depending on the availability and when you book, these fares can change.

  • Don't wait until the last minute. You're more likely to get cheap tickets from BOS to SLU if you book ahead. Airlines often have some excellent early bird discounts.

  • Getting cheap flights from Logan International Airport to George F. L. Charles Airport is more likely if you can be flexible with your dates. Use the 'Whole month' search tool to see the best prices across every month and snap up a great deal.

  • Save time looking for cheap flights from BOS to SLU by creating a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Logan International Airport to George F. L. Charles Airport.

Handy information about Logan International Airport (BOS)

  • BOS's address is One Harborside Drive.

  • When it comes to Logan International Airport's on-time performance, data shows 73.94% of flights meet their scheduled arrival time.

  • Central Boston to Logan International Airport is approximately 3 miles. Depending on traffic, it'll take about 10 minutes to get there if you're driving, catching a cab or ride-sharing.

  • The journey on public transport takes roughly 25 minutes.

  • Get your travels off to a hassle-free start by staying near BOS. Whether you're taking an early flight from Logan International Airport to George F. L. Charles Airport or just don't want to be rushed, these hotels are the answer:

Arriving at George F. L. Charles Airport (SLU)

Getting from George F. L. Charles Airport (SLU) to central Castries

  • From George F. L. Charles Airport, Castries is approximately 2 miles away. It takes around 5 minutes to drive to the centre.

  • Travelling by public transport typically takes 40 minutes.

When to fly to George F. L. Charles Airport (SLU)

  • It's time to choose your travel dates for your flight from Logan International Airport to George F. L. Charles Airport. June is the most popular month to head to Castries. If you prefer a more low-key vibe, go in February.

  • When reserving your flight from Logan International Airport to George F. L. Charles Airport, consider the type of weather you enjoy. September is the warmest month in Castries, with temperatures ranging from 26ºC (79ºF) to 30ºC (86ºF).

  • If you want cooler conditions, search for a cheap ticket from BOS to SLU in February. Average temperatures are between 24ºC (75ºF) and 28ºC (82ºF) then.

Explore more of Saint Lucia

  • Vieux Fort is just one of the many cities in Saint Lucia waiting to be explored after you've seen Castries. Around 20 miles away to the south, check out popular attractions including Maria Islands Museum, Anse Des Sables Beach and YoungFaith Park.

  • Any trip through Saint Lucia wouldn't be as memorable without a stop in Micoud. Josephine Splash Park and Ti Rocher Community Park are just two of the highlights in this well-known destination, which is around 15 miles south-east of Castries.

Plan the rest of your trip from Boston to Castries

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.