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

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average stopover time of 7h 33m.

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

Atlanta (ATL) – chosen by Cheapflights users on 38% of one-stop itineraries from London Heathrow Airport to Castries on Cheapflights.

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

Flights via Toronto (YYZ) have the shortest average one-way travel time for one-stop routes: 25h 25m.

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

Miami (MIA) is the most affordable one-stop option, with an average return flight price of £567.

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

Departing from London Heathrow Airport to Castries will take you 24h 31m. The distance from London Heathrow Airport to Castries is about 4217 mi. This flight may include one or multiple stops.

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

Currently priced at £498, 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 American Airlines and Air Canada - these airlines can fly you to your destination from £567 and £655, respectively. British Airways is 36% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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.

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

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 3 airlines. Castries Hewanorra is conveniently located just 19.3 mi from Castries’s city center.

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

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

How can I find direct flights from Heathrow to Castries?

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

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

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.

£393+ Cheap Flights from London Heathrow Airport to Castries

Cheap flight deals from Heathrow to Castries

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 6 September 2026.

Fri 9/1008:15 -

1 stop35h 49m

Mon 19/1016:39 -

1 stop23h 06m

Deal found 3/9£630

Fri 9/1008:15 -

1 stop35h 49m

Sun 18/1016:39 -

1 stop35h 51m

Deal found 5/9£630

Fri 6/1112:05 -

2 stops56h 35m

Sun 15/1117:40 -

1 stop34h 50m

Deal found 2/9£645

Tue 3/1107:25 -

1 stop36h 47m

Wed 11/1117:17 -

1 stop36h 13m

Deal found 4/9£655

Sat 10/1017:50 -

1 stop24h 50m

Sun 18/1014:30 -

2 stops25h 55m

Deal found 3/9£659

Thu 1/1008:15 -

1 stop36h 19m

Thu 15/1016:39 -

1 stop23h 06m

Deal found 4/9£660

Fri 2/1008:15 -

1 stop35h 49m

Mon 5/1016:39 -

1 stop23h 06m

Deal found 2/9£661

Thu 24/911:55 -

1 stop32h 39m

Mon 28/916:39 -

1 stop23h 06m

Deal found 2/9£661

Thu 3/1211:10 -

1 stop33h 30m

Wed 9/1217:40 -

1 stop32h 50m

Deal found 6/9£678

Wed 18/1109:00 -

2 stops35h 40m

Fri 27/1117:40 -

1 stop34h 50m

Deal found 4/9£680

Thu 24/915:35 -

1 stop27h 27m

Wed 7/1014:42 -

1 stop16h 53m

Deal found 2/9£682

Mon 19/1020:10 -

2 stops22h 32m

Mon 26/1016:04 -

1 stop16h 01m

Deal found 3/9£683

Find flight deals from Heathrow to Castries

Round-trip from	£582
One-way from	£393
Popular in	December
Cheapest in	May
Average price	£578

JetBlue
11/1-8/2
2 total stops
71h 45m total
London to Castries

Search Deals

JetBlue
10/10-31/12
1 total stop
36h 19m total
London to Castries

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£80 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Tue 15/12

15:00-16:40

1 stop29h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£553

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 25/12

14:50-14:55

3 stops28h 05m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£556

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Tue 15/12

12:15-16:40

3 stops32h 25m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£561

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 25/12

11:10-14:55

1 stop31h 45m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£610

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Thu 15/10

08:45-13:31

2 stops57h 46m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£651

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Thu 1/10

09:05-13:31

2 stops57h 26m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£652

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sun 15/11

14:50-14:55

2 stops52h 05m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£810

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 16/10

16:05-14:12

2 stops27h 07m

Castries Hewanorra

Thu 22/10

15:32-20:10

2 stops23h 38m

£848

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Wed 30/12

15:35-15:15

2 stops27h 40m

Castries Hewanorra

Fri 8/1

16:25-20:10

2 stops23h 45m

£883

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Thu 3/12

16:00-15:06

1 stop27h 06m

Castries Hewanorra

Fri 8/1

16:25-20:10

2 stops23h 45m

£884

Flights are sorted by cheapest return flights first.

Deals found on 4/9

Showing 1-10 of 13 resultsSorted by cheapest first

Best time to book a flight from Heathrow to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Heathrow with our price prediction graph.

LHR-UVF

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

Prices

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Castries (average of £498). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £1,205). 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.

Reviews of airlines servicing Castries

Read reviews from past customers who have flown with American Airlines,Air Canada, andBritish Airways 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.

American Airlines

7.1

Good

12,039 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

American Airlines

7.1

Good

12,039 reviews

American Airlines

7.1

Good

12,039 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

Air Canada

7.1

Good

11,592 reviews

American Airlines

7.1

Good

12,039 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

British Airways

6.7

Okay

8,209 reviews

American Airlines

7.1

Good

12,039 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

Related info for your journey

What airport do you fly into for flights to Castries from London Heathrow?
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 3 airlines. Castries Hewanorra is conveniently located just 19.3 mi from Castries’s city center.
How long is the flight from London Heathrow Airport to Castries?
Departing from London Heathrow Airport to Castries will take you 24h 31m. The distance from London Heathrow Airport to Castries is about 4217 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from London Heathrow Airport to Castries round-trip?
Currently priced at £498, 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 American Airlines and Air Canada - these airlines can fly you to your destination from £567 and £655, respectively. British Airways is 36% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Heathrow to Castries that include hotel bookings?
Yes. In addition to deals on Heathrow to Castries flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Castries?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Castries.
Can I find deals for business class flights from Heathrow to Castries?
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.
What is the cheapest month to book a flight from London Heathrow Airport to Castries?
Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Castries (average of £498). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £1,205). 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.

See more FAQs

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Gatwick to Castries flights

Top 3 airlines flying from Heathrow to Castries

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£498	Average£790	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	Cheapest£567	Average£861	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	Cheapest£655	Average£740	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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

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.

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

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.

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

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.

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

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!

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Cheap flights from London Heathrow Airport to Castries from £393

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. 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 6 September 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 6 September 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 6 September 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 6 September 2026.

Last-minute flights from Heathrow to CastriesDiscover last-minute flight deals from Heathrow to Castries. Data last updated 6 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Castries. Data last updated 6 September 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 6 September 2026.

Search for one-way flight options from Heathrow to Castries. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.

Find flight deals from Heathrow to Castries

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Castries that are best for you.

Best time to book a flight from Heathrow to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Heathrow with our price prediction graph.

Cheapflights Insights

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

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

Atlanta (ATL) – chosen by Cheapflights users on 38% of one-stop itineraries from London Heathrow Airport to Castries on Cheapflights.

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

Miami (MIA) is the most affordable one-stop option, with an average return flight price of £567.

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

Flights via Toronto (YYZ) have the shortest average one-way travel time for one-stop routes: 25h 25m.

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

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average stopover time of 7h 33m.

Reviews of airlines servicing Castries

Related info for your journey

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Castries

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Castries by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Saint Lucia

Book a non-stop flight to one of these other cities located in Saint Lucia.

Search flights from Heathrow to Castries by cabin class

Find flights from Heathrow to Castries, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Castries flights

Browse other Heathrow and Castries flight options. Last updated on 6 September 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 6 September 2026.

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Top 3 airlines flying from Heathrow to Castries

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

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

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

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

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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 6 September 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 6 September 2026.

Last-minute flights from Heathrow to Castries
Discover last-minute flight deals from Heathrow to Castries. Data last updated 6 September 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 6 September 2026.