Q: How much does it cost for a return flight from London Heathrow Airport to Castries?

Airfare is above average for this route at the moment. London Heathrow Airport to Castries flights typically cost between £467 and £589 in April. The cheapest return flight price found within the last 3 days was £675 on Air Canada (1 Apr-15 Apr).

Question 1

What is the most punctual flight time for London to Castries flights?

Accepted Answer

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

Question 2

How often are flights from London to Castries delayed?

Accepted Answer

About 9% of weekly flights between London and Castries have experienced delays in the past year, with the average delay time being 132 minutes.

Question 3

What’s the fastest stopover option from London Heathrow Airport to Castries?

Accepted Answer

Flights via Atlanta (ATL) have the shortest average one-way travel time for one-stop routes: 29h 16m.

Question 4

What’s the top stopover airport for flights from London Heathrow Airport to Castries?

Accepted Answer

Atlanta (ATL) – chosen by Cheapflights users on 64% of one-stop itineraries from London Heathrow Airport to Castries on Cheapflights.

Question 5

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Question 6

How much does it cost for a return flight from London Heathrow Airport to Castries?

Accepted Answer

Airfare is above average for this route at the moment.London Heathrow Airport to Castries flights typically cost between £467 and £589 in April.
The cheapest return flight price found within the last 3 days was £675 on Air Canada (1 Apr-15 Apr).

Question 7

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Castries?

Accepted Answer

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average stopover time of 9h 51m.

Question 8

Which airline has the best punctuality record on London to Castries flights?

Accepted Answer

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 9% of flights being delayed.

Question 9

What’s the cheapest stopover airport for flights from London Heathrow Airport to Castries?

Accepted Answer

New York (JFK) is the most affordable one-stop option, with an average return flight price of £644.

Question 10

How long is the flight from London Heathrow Airport to Castries?

Accepted Answer

Departing from London Heathrow Airport to Castries will take you 26h 42m. The distance from London Heathrow Airport to Castries is about 4217 mi.

Question 11

What are the cheapest airlines flying from London Heathrow Airport to Castries round-trip?

Accepted Answer

Currently priced at £499, British Airways will fly you from London Heathrow Airport to Castries and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Finnair - these airlines can fly you to your destination from £531 and £690, respectively. British Airways is 33% cheaper than the average price of flights available within the next 90 days to this destination.

Question 12

What is the cheapest month to book a flight from London Heathrow Airport to Castries?

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Castries (average of £378). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £788). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 13

What are the most popular airlines that fly from London Heathrow Airport to Castries?

Accepted Answer

British Airways, Finnair and Air Canada are the most popular airlines when flying from London Heathrow Airport to Castries.

Question 14

What is the cheapest time of day to fly from LHR to UVF?

Accepted Answer

When flying from London Heathrow Airport to Castries, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Question 15

What airport do you fly into for flights to Castries from London Heathrow?

Accepted Answer

Most people fly into Castries Hewanorra (UVF) if they book a flight to Castries from London Heathrow. On average, Hewanorra has 0 inbound flights from London Heathrow per day from 4 airlines. Castries Hewanorra is conveniently located just 19.3 mi from Castries’s city center.

Question 16

Can I find deals for flights from Heathrow to Castries that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Heathrow to Castries flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 17

How can I find direct flights from Heathrow to Castries?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Castries.

Question 18

Can I find deals for business class flights from Heathrow to Castries?

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 19

How does Cheapflights help users find flights from Heathrow to Castries?

Accepted Answer

Cheapflights helps you search for flights from Heathrow to Castries via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 20

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Castries?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Castries from Heathrow.

Question 21

Can Cheapflights find flights from Heathrow to Castries with no change fees?

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Castries, users can toggle the no change fees filter when performing a flight search.

Question 22

Can Cheapflights notify me if prices for flights from Heathrow to Castries become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	£675
One-way from	£336
Popular in	December
Cheapest in	February
Average price	£532

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£499	Average£752	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air Canada	Cheapest£531	Average£704	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Finnair	Cheapest£690	Average£891	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£1,069	Average£1,479	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Cheap flights from London Heathrow Airport to Castries from £336

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Castries

Cheapest flights from Heathrow to CastriesExplore the most affordable flight options available from Heathrow to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 February 2026.

Explore the most affordable flight options available from Heathrow to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 February 2026.

Best flights from Heathrow to CastriesDiscover carefully curated flight deals from Heathrow to Castries that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 February 2026.

Discover carefully curated flight deals from Heathrow to Castries that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 February 2026.

Last-minute flights from Heathrow to CastriesDiscover last-minute flight deals from Heathrow to Castries. Data last updated 28 February 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Castries. Data last updated 28 February 2026 and is based on user searches.

One-way flights from Heathrow to CastriesSearch for one-way flight options from Heathrow to Castries. Find affordable one-way fares based on user searches. Data last updated 28 February 2026.

Search for one-way flight options from Heathrow to Castries. Find affordable one-way fares based on user searches. Data last updated 28 February 2026.

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Everything you need to know about your flight from London Heathrow Airport to Castries

What is the cheapest month to book a flight from London Heathrow Airport to Castries?

How much does it cost for a return flight from London Heathrow Airport to Castries?

How often are flights from London to Castries delayed?

What is the most punctual flight time for London to Castries flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on London to Castries flights?

What’s the top stopover airport for flights from London Heathrow Airport to Castries?

What’s the cheapest stopover airport for flights from London Heathrow Airport to Castries?

What’s the fastest stopover option from London Heathrow Airport to Castries?

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Castries?

Reviews of airlines servicing Castries

Read reviews from past customers who have flown with KLM, Finnair, andAir Canada from London Heathrow Airport to Castries. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Castries from London Heathrow?

How long is the flight from London Heathrow Airport to Castries?

What are the cheapest airlines flying from London Heathrow Airport to Castries round-trip?

Can I find deals for flights from Heathrow to Castries that include hotel bookings?

How can I find direct flights from Heathrow to Castries?

Can I find deals for business class flights from Heathrow to Castries?

What is the cheapest month to book a flight from London Heathrow Airport to Castries?

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Alternative routes for Heathrow to Castries

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Complete your trip

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Heathrow and Castries flights

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Top 4 airlines flying from Heathrow to Castries

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Cheapest flights from Heathrow to Castries
Explore the most affordable flight options available from Heathrow to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 February 2026.

Best flights from Heathrow to Castries
Discover carefully curated flight deals from Heathrow to Castries that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 February 2026.

Last-minute flights from Heathrow to Castries
Discover last-minute flight deals from Heathrow to Castries. Data last updated 28 February 2026 and is based on user searches.

One-way flights from Heathrow to Castries
Search for one-way flight options from Heathrow to Castries. Find affordable one-way fares based on user searches. Data last updated 28 February 2026.