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

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 September 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.

£350 Cheap Flights from Saint Lucia to London in 2025/26

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Find the cheapest flights from Saint Lucia to London

Round-trip

One-way

Last minute

Direct

Recent return flight deals from Saint Lucia to London

20:25 - 09:45UVF-LGW

8h 20mdirect

10:05 - 15:10LGW-UVF

9h 05mdirect

£785British Airways

Find Deal

Wed, 22 Oct - Wed, 29 Oct

20:35 - 08:50UVF-LGW

8h 15mdirect

10:00 - 15:05LGW-UVF

9h 05mdirect

£806British Airways

Find Deal

Sat, 8 Nov - Thu, 20 Nov

20:35 - 08:50UVF-LGW

8h 15mdirect

10:00 - 15:05LGW-UVF

9h 05mdirect

£813British Airways

Find Deal

Sun, 30 Nov - Mon, 8 Dec

15:10 - 11:50UVF-LHR

15h 40m1 stop

18:00 - 15:25LHR-UVF

25h 25m1 stop

£817Air Canada

Find Deal

Fri, 17 Oct - Thu, 30 Oct

15:44 - 06:55UVF-LHR

35h 11m1 stop

12:20 - 15:41LHR-UVF

31h 21m1 stop

£823JetBlue

Find Deal

Sat, 8 Nov - Thu, 20 Nov

13:52 - 05:55UVF-LHR

36h 03m1 stop

12:05 - 16:25LHR-UVF

56h 20m2 stops

£851United Airlines

Find Deal

Sat, 8 Nov - Thu, 20 Nov

15:10 - 06:30UVF-LHR

34h 20m2 stops

18:00 - 15:25LHR-UVF

25h 25m1 stop

£859Air Canada

Find Deal

Fri, 17 Oct - Thu, 30 Oct

16:00 - 05:00UVF-LGW

56h 00m2 stops

10:00 - 15:05LGW-UVF

9h 05mdirect

£863

Find Deal

Fri, 17 Oct - Thu, 30 Oct

15:40 - 09:45UVF-LGW

38h 05m1 stop

14:00 - 14:50LGW-UVF

28h 50m2 stops

£894

Find Deal

Sun, 30 Nov - Mon, 8 Dec

14:06 - 20:45UVF-LHR

25h 39m1 stop

12:20 - 15:41LHR-UVF

31h 21m1 stop

£1,005JetBlue

Find Deal

Sat, 11 Oct - Tue, 25 Nov

Air Canada flights from Saint Lucia to London

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

Air Canada

17 Oct

UVF15:10Castries Hewanorra

15h 40m

1 stop

LHR11:50London Heathrow

30 Oct

LHR18:00London Heathrow

25h 25m

1 stop

UVF15:25Castries Hewanorra

£817

Find similar

Air Canada

17 Oct

UVF15:10Castries Hewanorra

34h 20m

2 stops

LHR06:30London Heathrow

30 Oct

LHR18:00London Heathrow

25h 25m

1 stop

UVF15:25Castries Hewanorra

£859

Find similar

Air Canada

17 Oct

UVF15:10Castries Hewanorra

34h 20m

2 stops

LHR06:30London Heathrow

30 Oct

LHR13:25London Heathrow

30h 00m

2 stops

UVF15:25Castries Hewanorra

£901

Find similar

JetBlue flights from Saint Lucia to London

Our best JetBlue deals on Saint Lucia to London flight tickets

JetBlue

8 Nov

UVF15:44Castries Hewanorra

35h 11m

1 stop

LHR06:55London Heathrow

20 Nov

LHR12:20London Heathrow

31h 21m

1 stop

UVF15:41Castries Hewanorra

£823

Find similar

JetBlue

11 Oct

UVF14:06Castries Hewanorra

25h 39m

1 stop

LHR20:45London Heathrow

25 Nov

LHR12:20London Heathrow

31h 21m

1 stop

UVF15:41Castries Hewanorra

£1,005

Find similar

JetBlue

21 Sept

UVF15:20Castries Hewanorra

24h 25m

1 stop

LHR20:45London Heathrow

28 Sept

LHR08:15London Heathrow

35h 00m

1 stop

UVF14:15Castries Hewanorra

£1,080

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Wed 22/10

20:25-09:45

Nonstop8h 20m

London Gatwick

Wed 29/10

10:05-15:10

Nonstop9h 05m

£785

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

£806

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sun 30/11

20:35-08:50

Nonstop8h 15m

London Gatwick

Mon 8/12

10:00-15:05

Nonstop9h 05m

£813

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 17/10

15:10-11:50

1 stop15h 40m

London Heathrow

Thu 30/10

18:00-15:25

1 stop25h 25m

£817

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 8/11

15:44-06:55

1 stop35h 11m

London Heathrow

Thu 20/11

12:20-15:41

1 stop31h 21m

£823

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 8/11

13:52-05:55

1 stop36h 03m

London Heathrow

Thu 20/11

12:05-16:25

2 stops56h 20m

£851

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 17/10

15:10-06:30

2 stops34h 20m

London Heathrow

Thu 30/10

18:00-15:25

1 stop25h 25m

£859

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Fri 17/10

16:00-05:00

2 stops56h 00m

London Gatwick

Thu 30/10

10:00-15:05

Nonstop9h 05m

£863

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sun 30/11

15:40-09:45

1 stop38h 05m

London Gatwick

Mon 8/12

14:00-14:50

2 stops28h 50m

£894

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 11/10

14:06-20:45

1 stop25h 39m

London Heathrow

Tue 25/11

12:20-15:41

1 stop31h 21m

£1,005

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 £675. 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 £752.

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 37% 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	£758
Fastest flight time	8h 15m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
Airports in London	1 airport

The best flight deal from Saint Lucia to London found on momondo in the last 72 hours is £758

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

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

There is 1 airport near London: 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 September 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 89.60% of the total bookings. Other popular models include Airbus A330-900neo with 5.20%, Boeing 787-9 Dreamliner with 2.89%, and Airbus A330-300 with 1.16%.

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 £566	Free Cancellation	Rating 7.4 664 reviews		Search Virgin Atlantic flights
British Airways	PriceFrom £585	Free Cancellation	Rating 6.6 7,361 reviews		Search British Airways flights

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Luton

Milton Keynes

Maidstone

Gatwick

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Chelmsford

Dover

Hayes

Dartford

Winchester

Hounslow

Stansted

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.