What is the cheapest airline that flies from Saint Lucia to London?

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

How many flights depart from Saint Lucia to London on average per week?

As of September 2026, there are 3 flights per week flying from Saint Lucia to London. The most common day of the week flights depart is Mon, with 67% of flights taking off on this day.

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

Prices for flights from Saint Lucia to London are updated daily.

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

The number of operators available for flights from Saint Lucia to London is 1 as of September 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint Lucia to London.

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

The required travel and health documents for your London 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£279 Cheap Flights from Saint Lucia to London in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Saint Lucia to London

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One-way

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Direct

Recent return flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.

14:30 - 09:25UVF Castries Hewanorra-LGW London Gatwick

37h 55m2 stops Toronto Pearson Intl Halifax Intl

12:40 - 13:40LGW London Gatwick-UVF Castries Hewanorra

30h 00m1 stop Toronto Pearson Intl

£701Multiple Airlines

Sun, 4 Oct - Sat, 10 Oct

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

23h 06m1 stop New York John F Kennedy Intl

07:25 - 15:12LHR London Heathrow-UVF Castries Hewanorra

35h 47m1 stop New York John F Kennedy Intl

£723JetBlue

Wed, 21 Oct - Wed, 28 Oct

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

£724JetBlue

Sun, 4 Oct - Fri, 9 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

£735JetBlue

Sun, 4 Oct - Sat, 10 Oct

14:30 - 10:45UVF Castries Hewanorra-LGW London Gatwick

15h 15m1 stop Toronto Pearson Intl

09:40 - 13:40LGW London Gatwick-UVF Castries Hewanorra

33h 00m1 stop Toronto Pearson Intl

£735Multiple Airlines

Sun, 4 Oct - Sat, 10 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

£735JetBlue

Sat, 3 Oct - Sat, 10 Oct

22:05 - 11:25UVF Castries Hewanorra-LGW London Gatwick

8h 20mdirect

12:15 - 17:20LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£738British Airways

Mon, 19 Oct - Mon, 26 Oct

15:55 - 09:45UVF Castries Hewanorra-LGW London Gatwick

37h 50m1 stop Toronto Pearson Intl

16:35 - 14:55LGW London Gatwick-UVF Castries Hewanorra

50h 20m2 stops Lisbon Humberto Delgado Toronto Pearson Intl

£743Multiple Airlines

Tue, 10 Nov - Tue, 8 Dec

15:55 - 09:45UVF Castries Hewanorra-LGW London Gatwick

37h 50m1 stop Toronto Pearson Intl

16:35 - 14:55LGW London Gatwick-UVF Castries Hewanorra

50h 20m2 stops Lisbon Humberto Delgado Toronto Pearson Intl

£750Multiple Airlines

Tue, 10 Nov - Tue, 8 Dec

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£759British Airways

Sun, 8 Nov - Sat, 30 Jan

Recent direct flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.

22:05 - 11:25UVF Castries Hewanorra-LGW London Gatwick

8h 20mdirect

12:15 - 17:20LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£738British Airways

Mon, 19 Oct - Mon, 26 Oct

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£759British Airways

Sun, 8 Nov - Sat, 30 Jan

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£760British Airways

Tue, 10 Nov - Tue, 8 Dec

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£760British Airways

Tue, 10 Nov - Tue, 8 Dec

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£771British Airways

Sat, 28 Nov - Tue, 22 Dec

20:30 - 09:50UVF Castries Hewanorra-LGW London Gatwick

8h 20mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£800British Airways

Sun, 4 Oct - Sat, 10 Oct

20:30 - 09:50UVF Castries Hewanorra-LGW London Gatwick

8h 20mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£800British Airways

Sun, 4 Oct - Fri, 9 Oct

20:30 - 09:50UVF Castries Hewanorra-LGW London Gatwick

8h 20mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£802British Airways

Sat, 3 Oct - Sat, 10 Oct

20:45 - 10:10UVF Castries Hewanorra-LGW London Gatwick

8h 25mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£820British Airways

Fri, 25 Sep - Sat, 3 Oct

20:45 - 10:10UVF Castries Hewanorra-LGW London Gatwick

8h 25mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£822British Airways

Fri, 25 Sep - Sat, 3 Oct

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JetBlue flights from Saint Lucia to London

Our best JetBlue deals on Saint Lucia to London flight tickets

JetBlue

21 Oct

UVF16:39Castries Hewanorra

23h 06m

1 stop

LHR20:45London Heathrow

28 Oct

LHR07:25London Heathrow

35h 47m

1 stop

UVF15:12Castries Hewanorra

£723

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

£724

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

£735

Air Canada flights from Saint Lucia to London

Our best Air Canada deals on Saint Lucia to London 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

£807

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

£811

Air Canada

1 Nov

UVF17:40Castries Hewanorra

23h 20m

2 stops

LHR21:00London Heathrow

8 Nov

LHR13:00London Heathrow

31h 40m

2 stops

UVF16:40Castries Hewanorra

£816

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Sun 4/10

14:30-09:25

2 stops37h 55m

London Gatwick

Sat 10/10

12:40-13:40

1 stop30h 00m

£701

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Wed 21/10

16:39-20:45

1 stop23h 06m

London Heathrow

Wed 28/10

07:25-15:12

1 stop35h 47m

£723

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

£724

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

£735

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Sun 4/10

14:30-10:45

1 stop15h 15m

London Gatwick

Sat 10/10

09:40-13:40

1 stop33h 00m

£735

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

£735

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Mon 19/10

22:05-11:25

Nonstop8h 20m

London Gatwick

Mon 26/10

12:15-17:20

Nonstop9h 05m

£738

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Tue 10/11

15:55-09:45

1 stop37h 50m

London Gatwick

Tue 8/12

16:35-14:55

2 stops50h 20m

£743

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Tue 10/11

15:55-09:45

1 stop37h 50m

London Gatwick

Tue 8/12

16:35-14:55

2 stops50h 20m

£750

Fastest return journey

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Sun 8/11

19:20-07:35

Nonstop8h 15m

London Gatwick

Sat 30/1

12:30-17:35

Nonstop9h 05m

£759

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Saint Lucia is in September. Flight prices, which tend to average around £719, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Saint Lucia averaging around £780.

What is the cheapest Saint Lucia to London flight route?

Fly from Castries Hewanorra to London Gatwick for the best Saint Lucia - London flight prices

What cabin class options are available on Saint Lucia to London flights?

There are 3 cabin classes available to choose from on Saint Lucia to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 45% on your flight if you consider stops on a Saint Lucia to London flight.

Cheap Saint Lucia to London flight deals and tips

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

Best price found	£279
Fastest flight time	8h 15m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in London	6 airports

The best one-way flight to London from Saint Lucia in the past 72 hours is £279. The best return flight deal from Saint Lucia to London found on momondo in the last 72 hours is £701.

The fastest flight from Saint Lucia to London takes 8h 15m

Direct flights go from Saint Lucia to London on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

There are 6 airports in London. From Saint Lucia there are direct flights to London Gatwick (LGW).

Search flight deals

Frequently asked questions about flying from Saint Lucia to London

When did momondo last update prices for flights from Saint Lucia to London?
Prices for flights from Saint Lucia to London are updated daily.
How many operators does momondo search for flights from Saint Lucia to London?
The number of operators available for flights from Saint Lucia to London is 1 as of September 2026.
How old do you have to be to fly from Saint Lucia to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint Lucia to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Saint Lucia to London?
Based on momondo bookings for flights between Saint Lucia and London, the leading plane model is Boeing 777, making up 100.00% of the total bookings.

Best airlines flying from Saint Lucia to London

Compare and see reviews for airlines that fly from Saint Lucia to London with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £701	Free Cancellation	Rating 6.7 8,211 reviews		Search British Airways flights

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Guildford

Colchester

Harlow

Chelmsford

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Saint Lucia to London . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to London from Saint Lucia with this policy.

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

Once all potential Saint Lucia to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Saint Lucia to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Saint Lucia to London from £279

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Lucia to London departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Saint Lucia to London

Recent return flight deals from Saint Lucia to London

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JetBlue flights from Saint Lucia to London

Our best JetBlue deals on Saint Lucia to London flight tickets

Air Canada flights from Saint Lucia to London

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

momondo Fare Finder

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

See travel insights to London from

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

What is the cheapest month to fly to London?

What is the cheapest Saint Lucia to London flight route?

What cabin class options are available on Saint Lucia to London flights?

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

What is the cheapest airline that flies from Saint Lucia to London?

How many flights depart from Saint Lucia to London on average per week?

Cheap Saint Lucia to London flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in London

Frequently asked questions about flying from Saint Lucia to London

Best airlines flying from Saint Lucia to London

Compare and see reviews for airlines that fly from Saint Lucia to London with momondo

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favourite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

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