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Cheap flights from St. John's to Castries

Saint John's
ANU
Castries
SLU

Flight deals from St. John's to Castries

Below you can see the best deals on flights St. John's — Castries for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 26 August, from $458.

Top 10 cheap flights from St. John's to Castries

About the St. John's — Castries flight

On this page, you can book flight tickets for the route from St. John's to Castries. The flight between the islands of Antigua and Saint Lucia covers a distance of 354 km, making this a popular route among travelers in the Caribbean.

Flights are operated by airlines such as interCaribbean Airways and Caribbean Airlines. Ticket prices are dynamic, so we recommend using the low-price graph and calendar, as well as researching in advance how to get to the departure airport and get from the arrival airport.

Flight ticket prices by day: St. John's — Castries

Below is a calendar of the lowest flight ticket prices for St. John's — Castries by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $458 in ,, and the most expensive are around $907 in J. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

St. John's → Castries, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$466highMay$369mediumSep$311low
Feb$456highJun$350mediumOct$301low
Mar$437highJul$359mediumNov$350medium
Apr$408mediumAug$369mediumDec$485high

Some values are estimated based on seasonality.

When to fly

The climate in Castries is consistently warm, with peak temperatures of up to 29.3°C observed in September. The rainiest period lasts from August to November, when monthly rainfall exceeds 125 mm, while March is considered the driest time.

According to booking data, the most affordable tickets are found in July — $532. Traditionally, the most expensive month to fly is January, when the minimum price rises to $908. In February, deals can be found $600.

The optimal choice for a trip is May or February, when there is a comfortable balance between price and weather. It's worth avoiding late autumn if you want to minimize the risk of prolonged tropical rains.

Temperature · Castries

Dry and wet days · Castries

Wind speed and direction · Castries

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Destination

How to get the best deal on a St. John's — Castries ticket

  • Choose George F.L. Charles Airport (SLU): Most flights from St. John's arrive here. This airport is located within the city limits, which significantly reduces transfer costs.
  • Book 4–6 weeks in advance: This is the optimal timeframe for inter-island Caribbean flights, allowing you to find tickets priced $532 before seasonal price increases.
  • Watch your baggage weight: Small aircraft with strict weight and size limits for carry-on luggage are often used on this route, so it's worth checking the fare conditions in advance.
  • Use the low-price calendar: The cost of flying between Antigua and Saint Lucia can vary significantly on neighboring dates, so flexibility in choosing your day will help you save.

Airlines

Regular air service between the islands is primarily provided by two airlines: interCaribbean Airways and Caribbean Airlines. Direct flights predominate on this route, with minimal travel time. A detailed schedule, departure frequency by day of the week, and specific carriage terms for each operator can be found in the list below.

There are no direct flights on the St. John's — Castries route. Showing airlines offering connecting flights.
  • American AirlinesAA
    WebsiteFleet: 965211M pax/year
    • ANU → JFK → UVF (with stopover)
    Open →
  • JetBlueB6
    WebsiteFleet: 30742.5M pax/year
    • ANU → JFK → UVF (with stopover)
    Open →

Cities and airports on the St. John's — Castries route

Flights St. John's — Castries depart from V.C. Bird International Airport and arrive at Hewanorra Airport and George F. L. Charles Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

St. John's

ANU
Antigua and Barbuda
About the cityHow to get thereWeatherAll about the country Antigua and Barbuda
Arrival

Castries

SLU
Saint Lucia
About the cityHow to get thereWeatherAll about the country Saint Lucia
Departure airports
Arrival airports

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Frequently asked questions about the St. John's — Castries flight

How long is the flight from St. John's to Castries?

The distance between the cities is 354 km. A direct flight on a regional aircraft typically takes from 50 minutes to 1 hour.

Which airlines fly this route?

The main carriers are interCaribbean Airways and Caribbean Airlines. An up-to-date list of airlines with schedules is available on this page.

Which airport does the flight arrive at?

Flights from St. John's most often arrive at George F. L. Charles Airport (SLU), located in close proximity to Castries.

When is the best time to buy flight tickets?

The lowest fares are usually available for July. We recommend checking price trends in the calendar and booking tickets well in advance.

Are there direct flights between the cities?

Yes, direct flights are regularly operated on this route, providing the fastest way to get from Antigua and Barbuda to Saint Lucia.

Where else you can fly from St. John's

See all
New York CityMiamiLondonBridgetownPhilipsburgGustaviaTortolaDominicaTorontoProvidencialesPort of SpainBasseterreAtlantaCharlotteKingstonBrades

Where else you can fly from Castries

See all
BridgetownNew York CityMiamiFort-de-FranceAtlantaCharlotteTorontoLondonChicagoGeorgetownSt. George'sPhiladelphiaPhilipsburg

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