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Cheap flights from Saint Lucia to London from £374

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 5/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Saint Lucia to London

Recent return flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.
British Airways Logo
19:20 - 07:35
UVF
-
LGW
8h 15mdirect
British Airways Logo
12:30 - 17:35
LGW
-
UVF
9h 05mdirect
£742British Airways
Tue, 3 Nov - Sat, 28 Nov
British Airways Logo
20:45 - 10:10
UVF
-
LGW
8h 25mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£743British Airways
Fri, 25 Sep - Sat, 3 Oct
British Airways Logo
20:45 - 10:10
UVF
-
LGW
8h 25mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£744British Airways
Fri, 25 Sep - Sat, 3 Oct
British Airways Logo
22:00 - 11:25
UVF
-
LGW
8h 25mdirect
British Airways Logo
11:15 - 15:00
LGW
-
UVF
8h 45mdirect
£745British Airways
Thu, 17 Sep - Mon, 21 Sep
British Airways Logo
22:00 - 11:25
UVF
-
LGW
8h 25mdirect
British Airways Logo
11:15 - 15:00
LGW
-
UVF
8h 45mdirect
£754British Airways
Mon, 7 Sep - Mon, 14 Sep
British Airways Logo
20:45 - 10:10
UVF
-
LGW
8h 25mdirect
British Airways Logo
11:15 - 15:00
LGW
-
UVF
8h 45mdirect
£757British Airways
Fri, 4 Sep - Tue, 8 Sep
British Airways Logo
20:30 - 09:50
UVF
-
LGW
8h 20mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£775British Airways
Sun, 11 Oct - Fri, 16 Oct
Multiple Airlines Logo
16:39 - 15:00
UVF
-
LHR
17h 21m
2 stops
Multiple Airlines Logo
09:50 - 15:34
LHR
-
UVF
34h 44m
2 stops
£793Multiple Airlines
Fri, 25 Sep - Sat, 3 Oct
Delta Logo
15:32 - 16:40
UVF
-
LCY
20h 08m
2 stops
Delta Logo
10:00 - 14:12
LCY
-
UVF
33h 12m
2 stops
£1,701Delta
Thu, 17 Sep - Mon, 21 Sep
Delta Logo
16:41 - 16:35
UVF
-
LCY
19h 54m
2 stops
Delta Logo
10:00 - 15:10
LCY
-
UVF
33h 10m
2 stops
£1,955Delta
Tue, 3 Nov - Sat, 28 Nov

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American Airlines flights from Saint Lucia to London

Our best American Airlines deals on Saint Lucia to London flight tickets
American Airlines
21 Aug
UVF15:19Castries Hewanorra
15h 51m
1 stop
LHR12:10London Heathrow
28 Aug
LHR15:00London Heathrow
28h 19m
1 stop
UVF14:19Castries Hewanorra
£1,449
American Airlines
8 Aug
UVF14:04Castries Hewanorra
15h 16m
1 stop
LHR10:20London Heathrow
15 Aug
LHR18:05London Heathrow
25h 24m
2 stops
UVF14:29Castries Hewanorra
£1,451
American Airlines
1 Aug
UVF13:10Castries Hewanorra
18h 00m
2 stops
LHR12:10London Heathrow
7 Aug
LHR18:05London Heathrow
24h 44m
2 stops
UVF13:49Castries Hewanorra
£1,476

JetBlue flights from Saint Lucia to London

Our best JetBlue deals on Saint Lucia to London flight tickets
JetBlue
6 Sept
UVF16:40Castries Hewanorra
35h 50m
1 stop
LHR09:30London Heathrow
13 Sept
LHR08:15London Heathrow
36h 18m
1 stop
UVF15:33Castries Hewanorra
£941
JetBlue
22 Aug
UVF16:17Castries Hewanorra
23h 28m
1 stop
LHR20:45London Heathrow
29 Aug
LHR11:55London Heathrow
32h 37m
1 stop
UVF15:32Castries Hewanorra
£981
JetBlue
25 Sept
UVF16:39Castries Hewanorra
23h 06m
1 stop
LHR20:45London Heathrow
3 Oct
LHR08:15London Heathrow
36h 19m
1 stop
UVF15:34Castries Hewanorra
£1,027

momondo Fare Finder

 
Customise your flight search to find flights from Saint Lucia to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 25 July 2026.
Use the filters below to find and compare flights from Saint Lucia to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Tue 3/11

19:20-07:35

Nonstop8h 15m

London Gatwick

Sat 28/11

12:30-17:35

Nonstop9h 05m

£742

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

£743

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

£744
Fastest return journey

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Thu 17/9

22:00-11:25

Nonstop8h 25m

London Gatwick

Mon 21/9

11:15-15:00

Nonstop8h 45m

£745

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Mon 7/9

22:00-11:25

Nonstop8h 25m

London Gatwick

Mon 14/9

11:15-15:00

Nonstop8h 45m

£754

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Fri 4/9

20:45-10:10

Nonstop8h 25m

London Gatwick

Tue 8/9

11:15-15:00

Nonstop8h 45m

£757

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sun 11/10

20:30-09:50

Nonstop8h 20m

London Gatwick

Fri 16/10

11:15-15:05

Nonstop8h 50m

£775

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 25/9

16:39-15:00

2 stops17h 21m

London Heathrow

Sat 3/10

09:50-15:34

2 stops34h 44m

£793

CastriesLondon

UVF - LCY

UVFLCY

Castries Hewanorra

Thu 17/9

15:32-16:40

2 stops20h 08m

London City

Mon 21/9

10:00-14:12

2 stops33h 12m

£1,701

CastriesLondon

UVF - LCY

UVFLCY

Castries Hewanorra

Tue 3/11

16:41-16:35

2 stops19h 54m

London City

Sat 28/11

10:00-15:10

2 stops33h 10m

£1,955

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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 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 £754, 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 £792.

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 16% 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

£854

Fastest flight time

8h 15m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in London

6 airports
The best flight deal from Saint Lucia to London found on momondo in the last 72 hours is £854
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?

  • 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?

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 AirwaysPriceFrom £705Free CancellationRating
6.7
8,132 reviews
Search British Airways flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Ipswich
Maidstone
Folkestone
Ilford
Hastings
Canterbury
Guildford
Chichester
Hayes
Bedford
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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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
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport