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

Prices for flights from Saint Lucia to London Heathrow Airport were last updated today.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint Lucia to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£317 Cheap Flights from Saint Lucia to London Heathrow Airport in 2026/27

Find the cheapest flights from Saint Lucia to London

Return

One-way

Last minute

Recent return flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.

16:55 - 21:40UVF Castries Hewanorra-LHR London Heathrow

24h 45m1 stop New York John F Kennedy Intl

08:05 - 15:34LHR London Heathrow-UVF Castries Hewanorra

35h 29m1 stop New York John F Kennedy Intl

£737JetBlue

Fri, 15 Jan - Sat, 30 Jan

16:55 - 09:30UVF Castries Hewanorra-LHR London Heathrow

36h 35m1 stop New York John F Kennedy Intl

07:25 - 15:31LHR London Heathrow-UVF Castries Hewanorra

36h 06m1 stop New York John F Kennedy Intl

£777JetBlue

Fri, 4 Dec - Tue, 8 Dec

16:55 - 09:30UVF Castries Hewanorra-LHR London Heathrow

36h 35m1 stop New York John F Kennedy Intl

07:25 - 15:31LHR London Heathrow-UVF Castries Hewanorra

36h 06m1 stop New York John F Kennedy Intl

£793JetBlue

Fri, 4 Dec - Thu, 10 Dec

17:31 - 20:55UVF Castries Hewanorra-LHR London Heathrow

23h 24m1 stop New York John F Kennedy Intl

08:05 - 15:31LHR London Heathrow-UVF Castries Hewanorra

35h 26m1 stop New York John F Kennedy Intl

£794JetBlue

Sat, 28 Nov - Sat, 5 Dec

17:35 - 21:00UVF Castries Hewanorra-LHR London Heathrow

23h 25m2 stops Toronto Pearson Intl Halifax Intl

11:10 - 16:40LHR London Heathrow-UVF Castries Hewanorra

33h 30m1 stop Toronto Pearson Intl

£830Air Canada

Fri, 4 Dec - Tue, 8 Dec

17:35 - 21:00UVF Castries Hewanorra-LHR London Heathrow

23h 25m2 stops Toronto Pearson Intl Halifax Intl

13:00 - 16:40LHR London Heathrow-UVF Castries Hewanorra

31h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£849Air Canada

Fri, 4 Dec - Tue, 8 Dec

17:35 - 21:00UVF Castries Hewanorra-LHR London Heathrow

23h 25m2 stops Toronto Pearson Intl Halifax Intl

18:00 - 16:40LHR London Heathrow-UVF Castries Hewanorra

26h 40m1 stop Toronto Pearson Intl

£852Air Canada

Fri, 4 Dec - Thu, 10 Dec

17:35 - 21:00UVF Castries Hewanorra-LHR London Heathrow

23h 25m2 stops Toronto Pearson Intl Halifax Intl

13:00 - 16:40LHR London Heathrow-UVF Castries Hewanorra

31h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£867Air Canada

Fri, 4 Dec - Thu, 10 Dec

17:35 - 08:30UVF Castries Hewanorra-LHR London Heathrow

34h 55m1 stop Toronto Pearson Intl

16:30 - 16:40LHR London Heathrow-UVF Castries Hewanorra

52h 10m2 stops Rome Fiumicino Toronto Pearson Intl

£880Multiple Airlines

Fri, 20 Nov - Mon, 30 Nov

16:55 - 21:40UVF Castries Hewanorra-LHR London Heathrow

24h 45m1 stop New York John F Kennedy Intl

06:30 - 15:34LHR London Heathrow-UVF Castries Hewanorra

37h 04m2 stops Dublin New York John F Kennedy Intl

£888Multiple Airlines

Fri, 15 Jan - Sat, 30 Jan

Recent last minute flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.

17:32 - 09:45UVF Castries Hewanorra-LHR London Heathrow

36h 13m2 stops New York John F Kennedy Intl Istanbul

16:30 - 16:12LHR London Heathrow-UVF Castries Hewanorra

51h 42m2 stops Istanbul New York John F Kennedy Intl

£1,052Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

16:32 - 11:40UVF Castries Hewanorra-LHR London Heathrow

15h 08m1 stop Atlanta Hartsfield-Jackson

20:25 - 15:05LHR London Heathrow-UVF Castries Hewanorra

46h 40m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£1,121KLM

Wed, 4 Nov - Wed, 11 Nov

16:32 - 11:40UVF Castries Hewanorra-LHR London Heathrow

15h 08m1 stop Atlanta Hartsfield-Jackson

08:55 - 15:05LHR London Heathrow-UVF Castries Hewanorra

34h 10m1 stop Atlanta Hartsfield-Jackson

£1,126KLM

Wed, 4 Nov - Wed, 11 Nov

16:32 - 11:40UVF Castries Hewanorra-LHR London Heathrow

15h 08m1 stop Atlanta Hartsfield-Jackson

08:55 - 15:05LHR London Heathrow-UVF Castries Hewanorra

34h 10m1 stop Atlanta Hartsfield-Jackson

£1,241KLM

Wed, 4 Nov - Wed, 11 Nov

16:32 - 20:50UVF Castries Hewanorra-LHR London Heathrow

24h 18m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

10:50 - 15:05LHR London Heathrow-UVF Castries Hewanorra

32h 15m1 stop Atlanta Hartsfield-Jackson

£1,260KLM

Wed, 4 Nov - Wed, 11 Nov

15:40 - 10:55UVF Castries Hewanorra-LHR London Heathrow

15h 15m1 stop Bridgetown Grantley Adams Intl

14:50 - 16:40LHR London Heathrow-UVF Castries Hewanorra

29h 50m2 stops Calgary Toronto Pearson Intl

£1,301Multiple Airlines

Sat, 31 Oct - Sun, 6 Dec

15:40 - 10:55UVF Castries Hewanorra-LHR London Heathrow

15h 15m1 stop Bridgetown Grantley Adams Intl

14:50 - 16:40LHR London Heathrow-UVF Castries Hewanorra

29h 50m3 stops Calgary Winnipeg Toronto Pearson Intl

£1,308Multiple Airlines

Sat, 31 Oct - Sun, 6 Dec

15:32 - 06:25UVF Castries Hewanorra-LHR London Heathrow

34h 53m1 stop Atlanta Hartsfield-Jackson

15:00 - 16:40LHR London Heathrow-UVF Castries Hewanorra

29h 40m1 stop Toronto Pearson Intl

£1,361Multiple Airlines

Sat, 31 Oct - Sun, 6 Dec

15:40 - 10:45UVF Castries Hewanorra-LHR London Heathrow

15h 05m2 stops Bridgetown Grantley Adams Intl Amsterdam Schiphol

14:50 - 16:40LHR London Heathrow-UVF Castries Hewanorra

29h 50m3 stops Calgary Winnipeg Toronto Pearson Intl

£1,473Multiple Airlines

Sat, 31 Oct - Sun, 6 Dec

15:40 - 10:55UVF Castries Hewanorra-LHR London Heathrow

15h 15m1 stop Bridgetown Grantley Adams Intl

14:50 - 14:55LHR London Heathrow-UVF Castries Hewanorra

28h 05m3 stops Calgary Edmonton Toronto Pearson Intl

£1,611Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

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JetBlue flights from Saint Lucia to London Heathrow Airport

Our best JetBlue deals on Saint Lucia to London Heathrow Airport flight tickets

JetBlue

4 Dec

UVF16:55Castries Hewanorra

36h 35m

1 stop

LHR09:30London Heathrow

8 Dec

LHR07:25London Heathrow

36h 06m

1 stop

UVF15:31Castries Hewanorra

£777

JetBlue

4 Dec

UVF16:55Castries Hewanorra

36h 35m

1 stop

LHR09:30London Heathrow

10 Dec

LHR07:25London Heathrow

36h 06m

1 stop

UVF15:31Castries Hewanorra

£793

JetBlue

28 Nov

UVF17:31Castries Hewanorra

23h 24m

1 stop

LHR20:55London Heathrow

5 Dec

LHR08:05London Heathrow

35h 26m

1 stop

UVF15:31Castries Hewanorra

£794

Air Canada flights from Saint Lucia to London Heathrow Airport

Our best Air Canada deals on Saint Lucia to London Heathrow Airport flight tickets

Air Canada

4 Dec

UVF17:35Castries Hewanorra

23h 25m

2 stops

LHR21:00London Heathrow

8 Dec

LHR11:10London Heathrow

33h 30m

1 stop

UVF16:40Castries Hewanorra

£830

Air Canada

4 Dec

UVF17:35Castries Hewanorra

23h 25m

2 stops

LHR21:00London Heathrow

8 Dec

LHR13:00London Heathrow

31h 40m

2 stops

UVF16:40Castries Hewanorra

£849

Air Canada

4 Dec

UVF17:35Castries Hewanorra

23h 25m

2 stops

LHR21:00London Heathrow

10 Dec

LHR18:00London Heathrow

26h 40m

1 stop

UVF16:40Castries Hewanorra

£852

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Fri 15/1

16:55-21:40

1 stop24h 45m

London Heathrow

Sat 30/1

08:05-15:34

1 stop35h 29m

£737

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Fri 4/12

16:55-09:30

1 stop36h 35m

London Heathrow

Tue 8/12

07:25-15:31

1 stop36h 06m

£777

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Fri 4/12

16:55-09:30

1 stop36h 35m

London Heathrow

Thu 10/12

07:25-15:31

1 stop36h 06m

£793

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Sat 28/11

17:31-20:55

1 stop23h 24m

London Heathrow

Sat 5/12

08:05-15:31

1 stop35h 26m

£794

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Fri 4/12

17:35-21:00

2 stops23h 25m

London Heathrow

Tue 8/12

11:10-16:40

1 stop33h 30m

£830

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Fri 4/12

17:35-21:00

2 stops23h 25m

London Heathrow

Tue 8/12

13:00-16:40

2 stops31h 40m

£849

Fastest return journey

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Fri 4/12

17:35-21:00

2 stops23h 25m

London Heathrow

Thu 10/12

18:00-16:40

1 stop26h 40m

£852

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Fri 4/12

17:35-21:00

2 stops23h 25m

London Heathrow

Thu 10/12

13:00-16:40

2 stops31h 40m

£867

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Fri 20/11

17:35-08:30

1 stop34h 55m

London Heathrow

Mon 30/11

16:30-16:40

2 stops52h 10m

£880

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Fri 15/1

16:55-21:40

1 stop24h 45m

London Heathrow

Sat 30/1

06:30-15:34

2 stops37h 04m

£888

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 airline that flies from Saint Lucia to London Heathrow?

JetBlue and Air Canada are the most popular carriers operating from Saint Lucia to London Heathrow

Cheap Saint Lucia to London Heathrow Airport flight deals and tips

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

Best price found	£317
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to London Heathrow Airport from Saint Lucia in the past 72 hours is £317. The best return flight deal from Saint Lucia to London Heathrow Airport found on momondo in the last 72 hours is £737.

The fastest flight from Saint Lucia to London Heathrow Airport takes 12h 45m

There are no direct flights from Saint Lucia to London Heathrow Airport. There are no popular flight routes from Saint Lucia to London Heathrow Airport.

Search flight deals

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

When did momondo last update prices for flights from Saint Lucia to London Heathrow Airport?
Prices for flights from Saint Lucia to London Heathrow Airport were last updated today.
How old do you have to be to fly from Saint Lucia to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint Lucia to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Gatwick

Milton Keynes

Stratford-upon-Avon

Southend-on-Sea

Luton

Northampton

Ipswich

Slough

Swindon

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Poole

Salisbury

Colchester

Chichester

Why use momondo?

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

Finding the right flight to London from Saint Lucia 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 London quick and easy, saving you time and money.

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

Yes. All flights to London from Saint Lucia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Saint Lucia to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Saint Lucia and alert you when they change.