Cheap flights from Saint Lucia to London from £306

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 11/6. 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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0 bags

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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
20:25 - 09:50
UVF
-
LGW
8h 25mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£749British Airways
Sun, 20 Sep - Sun, 4 Oct
British Airways Logo
20:25 - 09:50
UVF
-
LGW
8h 25mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£750British Airways
Sun, 27 Sep - Sun, 4 Oct
Multiple Airlines Logo
14:30 - 22:50
UVF
-
LGW
27h 20m
2 stops
Multiple Airlines Logo
14:00 - 14:10
LGW
-
UVF
29h 10m
3 stops
£752Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun
Multiple Airlines Logo
14:30 - 22:50
UVF
-
LGW
27h 20m
2 stops
Multiple Airlines Logo
14:00 - 14:10
LGW
-
UVF
29h 10m
2 stops
£754Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun
British Airways Logo
22:05 - 11:25
UVF
-
LGW
8h 20mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£756British Airways
Thu, 25 Jun - Mon, 29 Jun
British Airways Logo
20:45 - 10:10
UVF
-
LGW
8h 25mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£761British 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
£762British Airways
Fri, 25 Sep - Sat, 3 Oct
JetBlue Logo
16:55 - 20:45
UVF
-
LHR
22h 50m
1 stop
JetBlue Logo
08:15 - 12:50
LHR
-
UVF
33h 35m
1 stop
£1,239JetBlue
Mon, 1 Jun - Mon, 8 Jun
Delta Logo
15:25 - 16:40
UVF
-
LCY
20h 15m
2 stops
Delta Logo
10:00 - 14:13
LCY
-
UVF
33h 13m
2 stops
£1,699Delta
Mon, 1 Jun - Mon, 8 Jun
Delta Logo
15:33 - 16:40
UVF
-
LCY
20h 07m
2 stops
Delta Logo
10:00 - 14:13
LCY
-
UVF
33h 13m
2 stops
£1,959Delta
Mon, 15 Jun - Mon, 22 Jun

Delta flights from Saint Lucia to London

Our best Delta deals on Saint Lucia to London flight tickets
Delta
15 Jun
UVF15:33Castries Hewanorra
16h 42m
1 stop
LHR13:15London Heathrow
22 Jun
LHR20:05London Heathrow
23h 08m
2 stops
UVF14:13Castries Hewanorra
£1,538
Delta
15 Jun
UVF15:33Castries Hewanorra
16h 42m
1 stop
LHR13:15London Heathrow
22 Jun
LHR13:25London Heathrow
29h 48m
1 stop
UVF14:13Castries Hewanorra
£1,573
Delta
18 Jun
UVF15:33Castries Hewanorra
14h 47m
1 stop
LHR11:20London Heathrow
25 Jun
LHR09:20London Heathrow
33h 53m
1 stop
UVF14:13Castries Hewanorra
£1,574

American Airlines flights from Saint Lucia to London

Our best American Airlines deals on Saint Lucia to London flight tickets
American Airlines
20 Sept
UVF16:00Castries Hewanorra
33h 50m
2 stops
LGW06:50London Gatwick
4 Oct
LGW10:45London Gatwick
31h 50m
2 stops
UVF13:35Castries Hewanorra
£964
American Airlines
21 Sept
UVF16:00Castries Hewanorra
35h 40m
2 stops
LGW08:40London Gatwick
5 Oct
LGW12:20London Gatwick
32h 10m
2 stops
UVF15:30Castries Hewanorra
£982
American Airlines
30 Sept
UVF16:00Castries Hewanorra
33h 50m
2 stops
LGW06:50London Gatwick
10 Oct
LGW14:30London Gatwick
27h 55m
2 stops
UVF13:25Castries Hewanorra
£994

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 18 May 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

Sun 20/9

20:25-09:50

Nonstop8h 25m

London Gatwick

Sun 4/10

11:15-15:05

Nonstop8h 50m

£749

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sun 27/9

20:25-09:50

Nonstop8h 25m

London Gatwick

Sun 4/10

11:15-15:05

Nonstop8h 50m

£750

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Thu 4/6

14:30-22:50

2 stops27h 20m

London Gatwick

Thu 11/6

14:00-14:10

3 stops29h 10m

£752

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Thu 4/6

14:30-22:50

2 stops27h 20m

London Gatwick

Thu 11/6

14:00-14:10

2 stops29h 10m

£754
Fastest return journey

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Thu 25/6

22:05-11:25

Nonstop8h 20m

London Gatwick

Mon 29/6

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

£761

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

£762

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Mon 1/6

16:55-20:45

1 stop22h 50m

London Heathrow

Mon 8/6

08:15-12:50

1 stop33h 35m

£1,239

CastriesLondon

UVF - LCY

UVFLCY

Castries Hewanorra

Mon 1/6

15:25-16:40

2 stops20h 15m

London City

Mon 8/6

10:00-14:13

2 stops33h 13m

£1,699

CastriesLondon

UVF - LCY

UVFLCY

Castries Hewanorra

Mon 15/6

15:33-16:40

2 stops20h 07m

London City

Mon 22/6

10:00-14:13

2 stops33h 13m

£1,959

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 £419, 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 £474.

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

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

£592

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 £592. The best return flight deal from Saint Lucia to London found on momondo in the last 72 hours is £871.
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. Airline offering direct flights is British Airways..
There are 6 airports in London. From Saint Lucia there are direct flights to London Gatwick (LGW).

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 £683Free CancellationRating
6.7
7,987 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
Milton Keynes
Luton
Gatwick
Wembley
Slough
Maidstone
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Folkestone
Chelmsford
Dover
Bedford
Chichester
Harlow
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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1 adult
Wed 17/6
Wed 24/6

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