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Cheap flights from London Heathrow Airport to Saint Lucia from £434

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Saint Lucia

Cheap return flights

Enter your travel dates to find the best prices.
SWISS Logo
09:00 - 16:40LHR  London Heathrow-UVF Castries Hewanorra
35h 40m2 stops Zurich Toronto Pearson Intl
SWISS Logo
17:35 - 21:00UVF  Castries Hewanorra-LHR London Heathrow
47h 25m2 stops Toronto Pearson Intl Halifax Intl
£667SWISS
Tue, 1 Dec - Fri, 11 Dec
SWISS Logo
20:05 - 16:40LHR  London Heathrow-UVF Castries Hewanorra
48h 35m2 stops Zurich Toronto Pearson Intl
SWISS Logo
17:35 - 08:30UVF  Castries Hewanorra-LHR London Heathrow
34h 55m1 stop Toronto Pearson Intl
£668SWISS
Mon, 15 Feb - Mon, 22 Feb
SWISS Logo
20:05 - 16:40LHR  London Heathrow-UVF Castries Hewanorra
48h 35m2 stops Zurich Toronto Pearson Intl
SWISS Logo
17:35 - 21:00UVF  Castries Hewanorra-LHR London Heathrow
47h 25m2 stops Toronto Pearson Intl Ottawa
£668SWISS
Mon, 15 Feb - Mon, 22 Feb
SWISS Logo
13:50 - 15:40LHR  London Heathrow-UVF Castries Hewanorra
54h 50m2 stops Zurich Toronto Pearson Intl
SWISS Logo
16:45 - 06:30UVF  Castries Hewanorra-LHR London Heathrow
32h 45m2 stops Toronto Pearson Intl Ottawa
£672SWISS
Tue, 13 Apr - Wed, 21 Apr
American Airlines Logo
14:10 - 15:04LHR  London Heathrow-UVF Castries Hewanorra
28h 54m1 stop Charlotte Douglas
American Airlines Logo
15:56 - 12:05UVF  Castries Hewanorra-LHR London Heathrow
16h 09m1 stop Miami
£699American Airlines
Mon, 9 Nov - Mon, 23 Nov
American Airlines Logo
14:15 - 15:41LHR  London Heathrow-UVF Castries Hewanorra
29h 26m2 stops New York John F Kennedy Intl Miami
American Airlines Logo
14:38 - 12:05UVF  Castries Hewanorra-LHR London Heathrow
17h 27m1 stop Miami
£699American Airlines
Mon, 9 Nov - Mon, 23 Nov
American Airlines Logo
19:10 - 15:41LHR  London Heathrow-UVF Castries Hewanorra
24h 31m2 stops Boston Logan Intl Miami
American Airlines Logo
15:56 - 19:00UVF  Castries Hewanorra-LHR London Heathrow
23h 04m2 stops Miami Boston Logan Intl
£699American Airlines
Mon, 9 Nov - Mon, 23 Nov
British Airways Logo
19:20 - 14:46LHR  London Heathrow-UVF Castries Hewanorra
23h 26m2 stops New York John F Kennedy Intl Miami
British Airways Logo
16:38 - 12:05UVF  Castries Hewanorra-LHR London Heathrow
15h 27m1 stop Miami
£731British Airways
Thu, 28 Jan - Fri, 5 Feb
British Airways Logo
10:15 - 15:39LHR  London Heathrow-UVF Castries Hewanorra
33h 24m2 stops New York John F Kennedy Intl Miami
British Airways Logo
16:41 - 12:05UVF  Castries Hewanorra-LHR London Heathrow
15h 24m1 stop Miami
£761British Airways
Sat, 5 Dec - Tue, 15 Dec
British Airways Logo
17:00 - 15:11LHR  London Heathrow-UVF Castries Hewanorra
26h 11m2 stops Boston Logan Intl Charlotte Douglas
British Airways Logo
16:38 - 12:05UVF  Castries Hewanorra-LHR London Heathrow
15h 27m1 stop Miami
£1,473British Airways
Sat, 26 Dec - Wed, 6 Jan

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SWISS flights from London Heathrow Airport to Saint Lucia

Our best SWISS deals on London Heathrow Airport to Saint Lucia flight tickets
SWISS
1 Dec
LHR09:00London Heathrow
35h 40m
2 stops
UVF16:40Castries Hewanorra
11 Dec
UVF17:35Castries Hewanorra
47h 25m
2 stops
LHR21:00London Heathrow
£667
SWISS
15 Feb
LHR20:05London Heathrow
48h 35m
2 stops
UVF16:40Castries Hewanorra
22 Feb
UVF17:35Castries Hewanorra
47h 25m
2 stops
LHR21:00London Heathrow
£668
SWISS
13 Apr
LHR13:50London Heathrow
54h 50m
2 stops
UVF15:40Castries Hewanorra
21 Apr
UVF16:45Castries Hewanorra
32h 45m
2 stops
LHR06:30London Heathrow
£672

American Airlines flights from London Heathrow Airport to Saint Lucia

Our best American Airlines deals on London Heathrow Airport to Saint Lucia flight tickets
American Airlines
9 Nov
LHR14:15London Heathrow
29h 26m
2 stops
UVF15:41Castries Hewanorra
23 Nov
UVF14:38Castries Hewanorra
17h 27m
1 stop
LHR12:05London Heathrow
£699
American Airlines
9 Nov
LHR10:15London Heathrow
32h 49m
2 stops
UVF15:04Castries Hewanorra
23 Nov
UVF15:56Castries Hewanorra
16h 09m
1 stop
LHR12:05London Heathrow
£700
American Airlines
2 Dec
LHR17:00London Heathrow
26h 39m
2 stops
UVF15:39Castries Hewanorra
11 Dec
UVF16:41Castries Hewanorra
33h 44m
2 stops
LHR06:25London Heathrow
£700

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Tue 1/12

09:00-16:40

2 stops35h 40m

Castries Hewanorra

Fri 11/12

17:35-21:00

2 stops47h 25m

£667

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Mon 15/2

20:05-16:40

2 stops48h 35m

Castries Hewanorra

Mon 22/2

17:35-08:30

1 stop34h 55m

£668

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Mon 15/2

20:05-16:40

2 stops48h 35m

Castries Hewanorra

Mon 22/2

17:35-21:00

2 stops47h 25m

£668

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Tue 13/4

13:50-15:40

2 stops54h 50m

Castries Hewanorra

Wed 21/4

16:45-06:30

2 stops32h 45m

£672

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Mon 9/11

14:10-15:04

1 stop28h 54m

Castries Hewanorra

Mon 23/11

15:56-12:05

1 stop16h 09m

£699

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Mon 9/11

14:15-15:41

2 stops29h 26m

Castries Hewanorra

Mon 23/11

14:38-12:05

1 stop17h 27m

£699

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Mon 9/11

19:10-15:41

2 stops24h 31m

Castries Hewanorra

Mon 23/11

15:56-19:00

2 stops23h 04m

£699
Fastest return journey

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Thu 28/1

19:20-14:46

2 stops23h 26m

Castries Hewanorra

Fri 5/2

16:38-12:05

1 stop15h 27m

£730

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sat 5/12

10:15-15:39

2 stops33h 24m

Castries Hewanorra

Tue 15/12

16:41-12:05

1 stop15h 24m

£761

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sat 26/12

17:00-15:11

2 stops26h 11m

Castries Hewanorra

Wed 6/1

16:38-12:05

1 stop15h 27m

£1,473

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Lucia from

How to get the cheapest flight ticket from London Heathrow Airport to Saint Lucia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Saint Lucia?

The month of September is, on average, the cheapest month to fly to Saint Lucia from London Heathrow Airport, with most prices found around £586. If you don’t want to visit Saint Lucia in September, then you should wait until November to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £679.

Can stopping save me money on London Heathrow Airport to Saint Lucia flights?

You could potentially save up to 27% on your flight if you consider stops on a London Heathrow Airport to Saint Lucia flight.

Cheap London Heathrow Airport to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Saint Lucia

Best price found

£434

Fastest flight time

12h 25m

Direct flights

None
The best one-way flight to Saint Lucia from London Heathrow Airport in the past 72 hours is £434. The best return flight deal from London Heathrow Airport to Saint Lucia found on momondo in the last 72 hours is £667.
The fastest flight from London Heathrow Airport to Saint Lucia takes 12h 25m
There are no direct flights from London Heathrow Airport to Saint Lucia. There are no popular flight routes from London Heathrow Airport to Saint Lucia.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Saint Lucia

  • When did momondo last update prices for flights from London Heathrow Airport to Saint Lucia?

    Prices for flights from London Heathrow Airport to Saint Lucia are refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to Saint Lucia?

  • How old do you have to be to fly from London Heathrow Airport to Saint Lucia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Saint Lucia.

  • What documentation or ID do you need to fly to Saint Lucia?

    The travel and health documents you'll need for your trip to Saint Lucia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London Heathrow Airport to Saint Lucia

Compare and see reviews for airlines that fly from London Heathrow Airport to Saint Lucia with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £510Free CancellationRating
6.7
8,262 reviews
Search British Airways flights
American AirlinesPriceFrom £575Free CancellationRating
7.0
12,165 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Saint Lucia?

Finding the right flight to Saint Lucia from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint Lucia quick and easy, saving you time and money.

Can I find flights from London to Saint Lucia with flexible booking policies on momondo?

All flight searches from London to Saint Lucia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Saint Lucia?

momondo helps you find the best flight between London and Saint Lucia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Saint Lucia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Saint Lucia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint Lucia and let you know when they change.

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