Cheap flights from Saint Lucia to London from £387

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 5/7. 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
£732British Airways
Sun, 20 Sep - Sun, 4 Oct
British Airways Logo
20:45 - 10:10
UVF
-
LGW
8h 25mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£745British Airways
Fri, 25 Sep - Sat, 3 Oct
Air Canada Logo
15:15 - 06:35
UVF
-
LHR
34h 20m
1 stop
Air Canada Logo
08:40 - 14:15
LHR
-
UVF
58h 35m
2 stops
£889Air Canada
Tue, 18 Aug - Wed, 16 Sep
Air Canada Logo
15:05 - 11:50
UVF
-
LHR
15h 45m
1 stop
Air Canada Logo
09:30 - 14:10
LHR
-
UVF
57h 40m
2 stops
£900Air Canada
Tue, 26 May - Sun, 31 May
American Airlines Logo
16:00 - 19:45
UVF
-
LHR
22h 45m
2 stops
American Airlines Logo
15:35 - 15:30
LHR
-
UVF
28h 55m
1 stop
£974American Airlines
Sun, 20 Sep - Sun, 4 Oct
American Airlines Logo
16:00 - 18:55
UVF
-
LHR
21h 55m
2 stops
American Airlines Logo
20:10 - 13:35
LHR
-
UVF
22h 25m
2 stops
£978American Airlines
Sun, 20 Sep - Sun, 4 Oct
Multiple Airlines Logo
15:05 - 08:35
UVF
-
LHR
36h 30m
2 stops
Multiple Airlines Logo
19:45 - 14:10
LHR
-
UVF
47h 25m
3 stops
£1,007Multiple Airlines
Tue, 26 May - Sun, 31 May
Multiple Airlines Logo
14:30 - 11:50
UVF
-
LHR
16h 20m
1 stop
Multiple Airlines Logo
19:45 - 14:10
LHR
-
UVF
47h 25m
3 stops
£1,012Multiple Airlines
Thu, 4 Jun - Sun, 7 Jun
Delta Logo
15:33 - 09:30
UVF
-
LCY
60h 57m
2 stops
Delta Logo
09:20 - 14:14
LCY
-
UVF
33h 54m
2 stops
£1,627Delta
Mon, 13 Jul - Tue, 4 Aug
Delta Logo
15:33 - 08:50
UVF
-
LCY
60h 17m
2 stops
Delta Logo
10:00 - 14:14
LCY
-
UVF
33h 14m
2 stops
£1,883Delta
Fri, 17 Jul - Tue, 4 Aug

Air Canada flights from Saint Lucia to London

Our best Air Canada deals on Saint Lucia to London flight tickets
Air Canada
18 Aug
UVF15:15Castries Hewanorra
34h 20m
1 stop
LHR06:35London Heathrow
16 Sept
LHR08:40London Heathrow
58h 35m
2 stops
UVF14:15Castries Hewanorra
£889
Air Canada
26 May
UVF15:05Castries Hewanorra
15h 45m
1 stop
LHR11:50London Heathrow
31 May
LHR09:30London Heathrow
57h 40m
2 stops
UVF14:10Castries Hewanorra
£900
Air Canada
18 Aug
UVF15:15Castries Hewanorra
15h 35m
1 stop
LHR11:50London Heathrow
17 Sept
LHR14:10London Heathrow
29h 05m
1 stop
UVF14:15Castries Hewanorra
£902

United Airlines flights from Saint Lucia to London

Our best United Airlines deals on Saint Lucia to London flight tickets
United Airlines
22 Aug
UVF14:35Castries Hewanorra
39h 05m
2 stops
LHR10:40London Heathrow
11 Sept
LHR06:50London Heathrow
35h 41m
2 stops
UVF13:31Castries Hewanorra
£1,269
United Airlines
22 Aug
UVF14:35Castries Hewanorra
39h 05m
2 stops
LHR10:40London Heathrow
17 Sept
LHR07:25London Heathrow
59h 06m
2 stops
UVF13:31Castries Hewanorra
£1,274
United Airlines
22 Aug
UVF14:35Castries Hewanorra
34h 20m
1 stop
LHR05:55London Heathrow
11 Sept
LHR18:00London Heathrow
24h 31m
1 stop
UVF13:31Castries Hewanorra
£1,276

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 11 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
Fastest return journey

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

£732

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

£745

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Tue 18/8

15:15-06:35

1 stop34h 20m

London Heathrow

Wed 16/9

08:40-14:15

2 stops58h 35m

£889

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Tue 26/5

15:05-11:50

1 stop15h 45m

London Heathrow

Sun 31/5

09:30-14:10

2 stops57h 40m

£900

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 20/9

16:00-19:45

2 stops22h 45m

London Heathrow

Sun 4/10

15:35-15:30

1 stop28h 55m

£974

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 20/9

16:00-18:55

2 stops21h 55m

London Heathrow

Sun 4/10

20:10-13:35

2 stops22h 25m

£978

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Tue 26/5

15:05-08:35

2 stops36h 30m

London Heathrow

Sun 31/5

19:45-14:10

3 stops47h 25m

£1,007

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Thu 4/6

14:30-11:50

1 stop16h 20m

London Heathrow

Sun 7/6

19:45-14:10

3 stops47h 25m

£1,012

CastriesLondon

UVF - LCY

UVFLCY

Castries Hewanorra

Mon 13/7

15:33-09:30

2 stops60h 57m

London City

Tue 4/8

09:20-14:14

2 stops33h 54m

£1,627

CastriesLondon

UVF - LCY

UVFLCY

Castries Hewanorra

Fri 17/7

15:33-08:50

2 stops60h 17m

London City

Tue 4/8

10:00-14:14

2 stops33h 14m

£1,883

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 June. Flight prices, which tend to average around £374, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Saint Lucia averaging around £409.

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

Can stopping save me money on Saint Lucia to London flights?

No. A direct flight is the cheapest option for a flight between Saint Lucia to London.

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

£579

Fastest flight time

8h 15m

Direct flights

Mon, Tue, Wed, Fri and Sat

Airports in London

6 airports
The best one-way flight to London from Saint Lucia in the past 72 hours is £579. The best return flight deal from Saint Lucia to London found on momondo in the last 72 hours is £852.
The fastest flight from Saint Lucia to London takes 8h 15m
Direct flights go from Saint Lucia to London on Monday, Tuesday, Wednesday, Friday and Saturday. 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 £667Free CancellationRating
6.7
7,969 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
Chichester
Bedford
Harlow
Ramsgate

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 10/6
Wed 17/6

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