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

Air Canada, JetBlue, and United Airlines 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 August 2025, there are 11 flights per week flying from Saint Lucia to London. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

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

As of August 2025, there are 1 flights per day flying from Saint Lucia to London. The most common time of day flights depart is 20:00, with 100% of flights taking off in the evening.

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 2 as of August 2025.

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.

£388 Cheap Flights from Saint Lucia to London in 2025

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Find the cheapest flights from Saint Lucia to London

Round-trip

One-way

Last minute

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Recent return flight deals from Saint Lucia to London

20:35 - 08:50UVF-LGW

8h 15mdirect

10:00 - 15:05LGW-UVF

9h 05mdirect

£714British Airways

Find Deal

Sat, 8 Nov - Thu, 20 Nov

20:35 - 08:50UVF-LGW

8h 15mdirect

11:15 - 15:00LGW-UVF

8h 45mdirect

£725British Airways

Find Deal

Sat, 15 Nov - Fri, 15 May

17:15 - 06:30UVF-LHR

33h 15m1 stop

19:25 - 16:25LHR-UVF

49h 00m2 stops

£798Air Canada

Find Deal

Fri, 30 Jan - Fri, 20 Feb

14:06 - 20:45UVF-LHR

25h 39m1 stop

08:15 - 14:15LHR-UVF

35h 00m1 stop

£801JetBlue

Find Deal

Sat, 6 Sep - Sat, 13 Sep

16:54 - 20:45UVF-LHR

23h 51m1 stop

07:25 - 15:34LHR-UVF

36h 09m1 stop

£829JetBlue

Find Deal

Fri, 30 Jan - Fri, 20 Feb

12:35 - 06:20SLU-LHR

12h 45m1 stop

11:25 - 19:00LHR-SLU

12h 35m1 stop

£835

Find Deal

Wed, 1 Oct - Wed, 8 Oct

17:15 - 20:35UVF-LHR

23h 20m2 stops

19:25 - 16:25LHR-UVF

49h 00m2 stops

£853Air Canada

Find Deal

Fri, 30 Jan - Fri, 20 Feb

12:35 - 06:20SLU-LHR

12h 45m1 stop

10:35 - 19:00LHR-SLU

12h 25m1 stop

£861

Find Deal

Sat, 27 Sep - Sat, 8 Nov

14:06 - 09:05UVF-LHR

37h 59m2 stops

19:35 - 14:57LHR-UVF

47h 22m2 stops

£872Icelandair

Find Deal

Sat, 27 Sep - Sat, 8 Nov

14:06 - 06:30UVF-LHR

35h 24m2 stops

12:20 - 14:57LHR-UVF

30h 37m1 stop

£973Icelandair

Find Deal

Sat, 27 Sep - Sat, 8 Nov

Air Canada flights from Saint Lucia to London

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

Air Canada

30 Jan

UVF17:15Castries Hewanorra

33h 15m

1 stop

LHR06:30London Heathrow

20 Feb

LHR19:25London Heathrow

49h 00m

2 stops

UVF16:25Castries Hewanorra

£798

Find similar

Air Canada

30 Jan

UVF17:15Castries Hewanorra

23h 20m

2 stops

LHR20:35London Heathrow

20 Feb

LHR19:25London Heathrow

49h 00m

2 stops

UVF16:25Castries Hewanorra

£853

Find similar

Air Canada

5 Sept

UVF15:10Castries Hewanorra

34h 25m

1 stop

LHR06:35London Heathrow

5 Oct

LHR15:10London Heathrow

52h 05m

2 stops

UVF14:15Castries Hewanorra

£976

Find similar

Icelandair flights from Saint Lucia to London

Our best Icelandair deals on Saint Lucia to London flight tickets

Icelandair

27 Sept

UVF14:06Castries Hewanorra

37h 59m

2 stops

LHR09:05London Heathrow

8 Nov

LHR19:35London Heathrow

47h 22m

2 stops

UVF14:57Castries Hewanorra

£872

Find similar

Icelandair

25 Aug

UVF17:31Castries Hewanorra

36h 39m

2 stops

LHR11:10London Heathrow

7 Sept

LHR19:10London Heathrow

48h 05m

2 stops

UVF14:15Castries Hewanorra

£878

Find similar

Icelandair

25 Aug

UVF17:31Castries Hewanorra

22h 14m

1 stop

LHR20:45London Heathrow

7 Sept

LHR08:25London Heathrow

58h 50m

2 stops

UVF14:15Castries Hewanorra

£955

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sat 8/11

20:35-08:50

Nonstop8h 15m

London Gatwick

Thu 20/11

10:00-15:05

Nonstop9h 05m

£714

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sat 15/11

20:35-08:50

Nonstop8h 15m

London Gatwick

Fri 15/5

11:15-15:00

Nonstop8h 45m

£725

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 30/1

17:15-06:30

1 stop33h 15m

London Heathrow

Fri 20/2

19:25-16:25

2 stops49h 00m

£798

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 6/9

14:06-20:45

1 stop25h 39m

London Heathrow

Sat 13/9

08:15-14:15

1 stop35h 00m

£801

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 30/1

16:54-20:45

1 stop23h 51m

London Heathrow

Fri 20/2

07:25-15:34

1 stop36h 09m

£829

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Wed 1/10

12:35-06:20

1 stop12h 45m

London Heathrow

Wed 8/10

11:25-19:00

1 stop12h 35m

£835

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 30/1

17:15-20:35

2 stops23h 20m

London Heathrow

Fri 20/2

19:25-16:25

2 stops49h 00m

£853

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Sat 27/9

12:35-06:20

1 stop12h 45m

London Heathrow

Sat 8/11

10:35-19:00

1 stop12h 25m

£861

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 27/9

14:06-09:05

2 stops37h 59m

London Heathrow

Sat 8/11

19:35-14:57

2 stops47h 22m

£872

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 27/9

14:06-06:30

2 stops35h 24m

London Heathrow

Sat 8/11

12:20-14:57

1 stop30h 37m

£973

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 day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £678. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Saint Lucia to London for around £755.

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 2 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 40% 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	£388
Fastest flight time	8h 15m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in London	3 airports

The best one-way flight to London from Saint Lucia in the past 72 hours is £388. The best return flight deal from Saint Lucia to London found on momondo in the last 72 hours is £714.

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

Direct flights go from Saint Lucia to London on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airline offering direct flights is British Airways..

There are 3 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW)

Search flight deals

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 2 as of August 2025.
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 89.94% of the total bookings. Other popular models include Airbus A330-900neo with 5.03%, Boeing 787-9 Dreamliner with 2.79%, and Airbus A330-300 with 1.12%.

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
Virgin Atlantic	PriceFrom £568	Free Cancellation	Rating 7.4 657 reviews		Search Virgin Atlantic flights
British Airways	PriceFrom £588	Free Cancellation	Rating 6.7 7,283 reviews		Search British Airways flights

Eastbourne

Milton Keynes

Luton

Maidstone

Slough

Gatwick

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Dartford

Hounslow

Dover

Chelmsford

Hayes

Folkestone

Bedford

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 £388

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 16/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Find the cheapest flights from Saint Lucia to London

Recent return flight deals from Saint Lucia to London

Recent one-way flight deals from Saint Lucia to London

Recent last minute flight deals from Saint Lucia to London

Recent direct flight deals from Saint Lucia to London

Air Canada flights from Saint Lucia to London

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

Icelandair flights from Saint Lucia to London

Our best Icelandair deals on Saint Lucia to London flight tickets

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

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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

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £678. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Saint Lucia to London for around £755.

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 2 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 40% on your flight if you consider stops on a Saint Lucia to London flight.

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

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

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

As of August 2025, there are 1 flights per day flying from Saint Lucia to London. The most common time of day flights depart is 20:00, with 100% of flights taking off in the evening.

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

As of August 2025, there are 11 flights per week flying from Saint Lucia to London. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

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

Fastest flight time

Direct flights

Airports in London

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

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

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

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

What is the most popular plane model 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?

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

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

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

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

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