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

Air Canada and Delta 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 May 2026, there are 5 flights per week flying from Saint Lucia to London. The most common day of the week flights depart is Mon, with 20% 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 May 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.

£311 Cheap Flights from Saint Lucia to London in 2026

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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

Enter your travel dates to find the best prices.

20:45 - 10:10

UVF

LGW

8h 25mdirect

11:15 - 15:05

LGW

UVF

8h 50mdirect

£754British Airways

Fri, 25 Sep - Sat, 3 Oct

20:45 - 10:10

UVF

LGW

8h 25mdirect

11:15 - 15:05

LGW

UVF

8h 50mdirect

£756British Airways

Fri, 25 Sep - Sat, 3 Oct

20:45 - 10:10

UVF

LGW

8h 25mdirect

11:15 - 15:05

LGW

UVF

8h 50mdirect

£758British Airways

Fri, 25 Sep - Sat, 3 Oct

20:30 - 09:50

UVF

LGW

8h 20mdirect

11:15 - 15:05

LGW

UVF

8h 50mdirect

£932British Airways

Tue, 23 Jun - Tue, 30 Jun

20:50 - 10:10

UVF

LGW

8h 20mdirect

11:15 - 15:05

LGW

UVF

8h 50mdirect

£940British Airways

Fri, 17 Jul - Fri, 31 Jul

16:00 - 12:35

UVF

LHR

15h 35m

1 stop

09:45 - 13:04

LHR

UVF

31h 19m

1 stop

£984American Airlines

Wed, 7 Oct - Tue, 29 Dec

16:00 - 12:35

UVF

LHR

15h 35m

1 stop

19:10 - 15:53

LHR

UVF

24h 43m

2 stops

£987American Airlines

Wed, 7 Oct - Tue, 29 Dec

14:30 - 22:50

UVF

LGW

27h 20m

2 stops

06:00 - 13:40

LGW

UVF

36h 40m

3 stops

£1,014Multiple Airlines

Thu, 16 Jul - Sat, 25 Jul

15:15 - 21:15

UVF

LGW

25h 00m

2 stops

20:10 - 13:40

LGW

UVF

46h 30m

3 stops

£1,036Multiple Airlines

Tue, 23 Jun - Tue, 30 Jun

15:41 - 16:40

UVF

LCY

19h 59m

2 stops

08:40 - 15:15

LCY

UVF

34h 35m

2 stops

£1,936Delta

Wed, 7 Oct - Tue, 29 Dec

American Airlines flights from Saint Lucia to London

Our best American Airlines deals on Saint Lucia to London flight tickets

American Airlines

7 Oct

UVF16:00Castries Hewanorra

15h 35m

1 stop

LHR12:35London Heathrow

29 Dec

LHR09:45London Heathrow

31h 19m

1 stop

UVF13:04Castries Hewanorra

£984

American Airlines

7 Oct

UVF16:00Castries Hewanorra

15h 35m

1 stop

LHR12:35London Heathrow

29 Dec

LHR19:10London Heathrow

24h 43m

2 stops

UVF15:53Castries Hewanorra

£987

American Airlines

7 Oct

UVF16:00Castries Hewanorra

22h 45m

2 stops

LHR19:45London Heathrow

29 Dec

LHR19:05London Heathrow

24h 48m

2 stops

UVF15:53Castries Hewanorra

£990

JetBlue flights from Saint Lucia to London

Our best JetBlue deals on Saint Lucia to London flight tickets

JetBlue

17 Jul

UVF13:57Castries Hewanorra

38h 38m

2 stops

LGW09:35London Gatwick

31 Jul

LGW12:20London Gatwick

31h 57m

2 stops

UVF15:17Castries Hewanorra

£1,239

JetBlue

17 Jul

UVF13:57Castries Hewanorra

38h 38m

2 stops

LGW09:35London Gatwick

31 Jul

LGW12:20London Gatwick

56h 12m

2 stops

UVF15:32Castries Hewanorra

£1,244

JetBlue

1 Jun

UVF14:10Castries Hewanorra

35h 20m

2 stops

LHR06:30London Heathrow

8 Jun

LHR08:40London Heathrow

33h 10m

2 stops

UVF12:50Castries Hewanorra

£1,250

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Fri 25/9

20:45-10:10

Nonstop8h 25m

London Gatwick

Sat 3/10

11:15-15:05

Nonstop8h 50m

£754

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Fri 25/9

20:45-10:10

Nonstop8h 25m

London Gatwick

Sat 3/10

11:15-15:05

Nonstop8h 50m

£756

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Fri 25/9

20:45-10:10

Nonstop8h 25m

London Gatwick

Sat 3/10

11:15-15:05

Nonstop8h 50m

£758

Fastest return journey

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Tue 23/6

20:30-09:50

Nonstop8h 20m

London Gatwick

Tue 30/6

11:15-15:05

Nonstop8h 50m

£932

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Fri 17/7

20:50-10:10

Nonstop8h 20m

London Gatwick

Fri 31/7

11:15-15:05

Nonstop8h 50m

£940

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 7/10

16:00-12:35

1 stop15h 35m

London Heathrow

Tue 29/12

09:45-13:04

1 stop31h 19m

£984

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 7/10

16:00-12:35

1 stop15h 35m

London Heathrow

Tue 29/12

19:10-15:53

2 stops24h 43m

£987

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Thu 16/7

14:30-22:50

2 stops27h 20m

London Gatwick

Sat 25/7

06:00-13:40

3 stops36h 40m

£1,014

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Tue 23/6

15:15-21:15

2 stops25h 00m

London Gatwick

Tue 30/6

20:10-13:40

3 stops46h 30m

£1,036

CastriesLondon

UVF - LCY

UVFLCY

Castries Hewanorra

Wed 7/10

15:41-16:40

2 stops19h 59m

London City

Tue 29/12

08:40-15:15

2 stops34h 35m

£1,936

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 £415, 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 £470.

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.

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	£588
Fastest flight time	8h 20m
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 £588. The best return flight deal from Saint Lucia to London found on momondo in the last 72 hours is £914.

The fastest flight from Saint Lucia to London takes 8h 20m

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

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 May 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 77.94% of the total bookings. Other popular models include Airbus A330-900neo with 13.24%, Boeing 787-9 Dreamliner with 7.35%, and Airbus A319 with 1.47%.

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 £677	Free Cancellation	Rating 6.7 8,007 reviews		Search British Airways flights

Eastbourne

Milton Keynes

Gatwick

Luton

Wembley

Slough

Maidstone

Southend-on-Sea

Ipswich

Canterbury

Ilford

Hayes

Guildford

Folkestone

Chelmsford

Bedford

Dover

Harlow

Chichester

Colchester

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 £311

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 16/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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American Airlines flights from Saint Lucia to London

Our best American Airlines deals on Saint Lucia to London flight tickets

JetBlue flights from Saint Lucia to London

Our best JetBlue deals on Saint Lucia to London flight tickets

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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?

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

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

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

Fly to other destinations from Saint Lucia

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