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.

£333 Cheap Flights from Saint Lucia to London Heathrow Airport in 2026

Find the cheapest flights from Saint Lucia to London

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One-way

Recent return flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.

16:32 - 21:40UVF Castries Hewanorra-LHR London Heathrow

25h 08m1 stop New York John F Kennedy Intl

08:15 - 16:12LHR London Heathrow-UVF Castries Hewanorra

35h 57m1 stop New York John F Kennedy Intl

£725JetBlue

Sun, 25 Oct - Sun, 1 Nov

16:39 - 20:45UVF Castries Hewanorra-LHR London Heathrow

23h 06m1 stop New York John F Kennedy Intl

08:15 - 15:04LHR London Heathrow-UVF Castries Hewanorra

35h 49m1 stop New York John F Kennedy Intl

£725JetBlue

Sun, 4 Oct - Fri, 9 Oct

16:25 - 09:30UVF Castries Hewanorra-LHR London Heathrow

36h 05m1 stop New York John F Kennedy Intl

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

36h 19m1 stop New York John F Kennedy Intl

£736JetBlue

Sat, 3 Oct - Sat, 10 Oct

16:39 - 09:30UVF Castries Hewanorra-LHR London Heathrow

35h 51m1 stop New York John F Kennedy Intl

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

36h 19m1 stop New York John F Kennedy Intl

£736JetBlue

Sun, 4 Oct - Sat, 10 Oct

16:39 - 20:45UVF Castries Hewanorra-LHR London Heathrow

23h 06m1 stop New York John F Kennedy Intl

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

36h 19m1 stop New York John F Kennedy Intl

£762JetBlue

Mon, 28 Sep - Thu, 8 Oct

16:39 - 20:45UVF Castries Hewanorra-LHR London Heathrow

23h 06m1 stop New York John F Kennedy Intl

11:55 - 15:34LHR London Heathrow-UVF Castries Hewanorra

32h 39m1 stop New York John F Kennedy Intl

£762JetBlue

Mon, 28 Sep - Wed, 7 Oct

16:39 - 20:45UVF Castries Hewanorra-LHR London Heathrow

23h 06m1 stop New York John F Kennedy Intl

08:15 - 15:33LHR London Heathrow-UVF Castries Hewanorra

36h 18m1 stop New York John F Kennedy Intl

£762JetBlue

Mon, 28 Sep - Tue, 6 Oct

14:55 - 22:40UVF Castries Hewanorra-LHR London Heathrow

27h 45m2 stops Toronto Pearson Intl Lisbon Humberto Delgado

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

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

£800Multiple Airlines

Sun, 25 Oct - Sun, 1 Nov

17:40 - 08:30UVF Castries Hewanorra-LHR London Heathrow

34h 50m1 stop Toronto Pearson Intl

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

33h 30m1 stop Toronto Pearson Intl

£808Air Canada

Sun, 1 Nov - Sun, 8 Nov

16:39 - 20:45UVF Castries Hewanorra-LHR London Heathrow

23h 06m1 stop New York John F Kennedy Intl

08:15 - 15:33LHR London Heathrow-UVF Castries Hewanorra

36h 18m1 stop New York John F Kennedy Intl

£810JetBlue

Wed, 23 Sep - Mon, 28 Sep

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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 Oct

UVF16:39Castries Hewanorra

23h 06m

1 stop

LHR20:45London Heathrow

9 Oct

LHR08:15London Heathrow

35h 49m

1 stop

UVF15:04Castries Hewanorra

£725

JetBlue

3 Oct

UVF16:25Castries Hewanorra

36h 05m

1 stop

LHR09:30London Heathrow

10 Oct

LHR08:15London Heathrow

36h 19m

1 stop

UVF15:34Castries Hewanorra

£736

JetBlue

19 Sept

UVF16:25Castries Hewanorra

36h 05m

1 stop

LHR09:30London Heathrow

24 Sept

LHR11:55London Heathrow

32h 39m

1 stop

UVF15:34Castries Hewanorra

£755

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

1 Nov

UVF17:40Castries Hewanorra

34h 50m

1 stop

LHR08:30London Heathrow

8 Nov

LHR11:10London Heathrow

33h 30m

1 stop

UVF16:40Castries Hewanorra

£808

Air Canada

1 Nov

UVF17:40Castries Hewanorra

23h 20m

2 stops

LHR21:00London Heathrow

8 Nov

LHR18:00London Heathrow

26h 40m

1 stop

UVF16:40Castries Hewanorra

£812

Air Canada

25 Oct

UVF16:40Castries Hewanorra

24h 20m

2 stops

LHR21:00London Heathrow

1 Nov

LHR18:00London Heathrow

26h 40m

1 stop

UVF16:40Castries Hewanorra

£812

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

Sun 25/10

16:32-21:40

1 stop25h 08m

London Heathrow

Sun 1/11

08:15-16:12

1 stop35h 57m

£725

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Sun 4/10

16:39-20:45

1 stop23h 06m

London Heathrow

Fri 9/10

08:15-15:04

1 stop35h 49m

£725

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Sat 3/10

16:25-09:30

1 stop36h 05m

London Heathrow

Sat 10/10

08:15-15:34

1 stop36h 19m

£736

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Sun 4/10

16:39-09:30

1 stop35h 51m

London Heathrow

Sat 10/10

08:15-15:34

1 stop36h 19m

£736

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Mon 28/9

16:39-20:45

1 stop23h 06m

London Heathrow

Thu 8/10

08:15-15:34

1 stop36h 19m

£762

Fastest return journey

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Mon 28/9

16:39-20:45

1 stop23h 06m

London Heathrow

Wed 7/10

11:55-15:34

1 stop32h 39m

£762

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Mon 28/9

16:39-20:45

1 stop23h 06m

London Heathrow

Tue 6/10

08:15-15:33

1 stop36h 18m

£762

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Sun 25/10

14:55-22:40

2 stops27h 45m

London Heathrow

Sun 1/11

13:00-16:40

2 stops31h 40m

£800

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Sun 1/11

17:40-08:30

1 stop34h 50m

London Heathrow

Sun 8/11

11:10-16:40

1 stop33h 30m

£808

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Wed 23/9

16:39-20:45

1 stop23h 06m

London Heathrow

Mon 28/9

08:15-15:33

1 stop36h 18m

£810

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 United Airlines 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	£333
Fastest flight time	11h 40m
Direct flights	None

The best one-way flight to London Heathrow Airport from Saint Lucia in the past 72 hours is £333. The best return flight deal from Saint Lucia to London Heathrow Airport found on momondo in the last 72 hours is £725.

The fastest flight from Saint Lucia to London Heathrow Airport takes 11h 40m

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.

Eastbourne

Wembley

Gatwick

Milton Keynes

Stratford-upon-Avon

Southend-on-Sea

Luton

Northampton

Slough

Ipswich

Swindon

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Poole

Chichester

Hayes

Bedford

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.