Cheap flights from Saint Lucia to London from £373

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 14/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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
19:20 - 07:35
UVF
-
LGW
8h 15mdirect
British Airways Logo
12:30 - 17:35
LGW
-
UVF
9h 05mdirect
£754British Airways
Wed, 4 Nov - Tue, 10 Nov
British Airways Logo
20:45 - 10:10
UVF
-
LGW
8h 25mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£763British 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
£793British 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
£804British 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
£807British Airways
Fri, 25 Sep - Sat, 3 Oct
Multiple Airlines Logo
16:38 - 06:30
UVF
-
LHR
32h 52m
2 stops
Multiple Airlines Logo
12:30 - 13:49
LHR
-
UVF
30h 19m
2 stops
£864Multiple Airlines
Sun, 9 Aug - Sun, 30 Aug
Multiple Airlines Logo
16:38 - 06:30
UVF
-
LHR
32h 52m
2 stops
Multiple Airlines Logo
12:00 - 14:19
LHR
-
UVF
31h 19m
1 stop
£867Multiple Airlines
Sun, 9 Aug - Sun, 30 Aug
Air Canada Logo
15:15 - 21:00
UVF
-
LHR
24h 45m
2 stops
Air Canada Logo
17:50 - 14:20
LHR
-
UVF
49h 30m
2 stops
£1,009Air Canada
Tue, 4 Aug - Sun, 30 Aug
JetBlue Logo
16:40 - 06:30
UVF
-
LHR
32h 50m
2 stops
JetBlue Logo
08:40 - 12:50
LHR
-
UVF
33h 10m
2 stops
£1,087JetBlue
Fri, 17 Jul - Fri, 31 Jul
Delta Logo
15:32 - 16:40
UVF
-
LCY
20h 08m
2 stops
Delta Logo
13:45 - 14:12
LCY
-
UVF
29h 27m
2 stops
£1,973Delta
Wed, 9 Sep - Sun, 20 Sep

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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
29h 30m
2 stops
UVF12:50Castries Hewanorra
£1,040
JetBlue
17 Jul
UVF16:40Castries Hewanorra
32h 50m
2 stops
LHR06:30London Heathrow
31 Jul
LHR08:40London Heathrow
33h 10m
2 stops
UVF12:50Castries Hewanorra
£1,087
JetBlue
17 Jul
UVF16:40Castries Hewanorra
35h 55m
2 stops
LGW09:35London Gatwick
31 Jul
LGW12:20London Gatwick
53h 08m
2 stops
UVF12:28Castries Hewanorra
£1,092

American Airlines flights from Saint Lucia to London

Our best American Airlines deals on Saint Lucia to London flight tickets
American Airlines
20 Aug
UVF15:19Castries Hewanorra
15h 51m
1 stop
LHR12:10London Heathrow
31 Aug
LHR12:15London Heathrow
30h 34m
1 stop
UVF13:49Castries Hewanorra
£1,458
American Airlines
22 Aug
UVF14:49Castries Hewanorra
36h 56m
2 stops
LGW08:45London Gatwick
21 Sept
LGW10:45London Gatwick
32h 09m
2 stops
UVF13:54Castries Hewanorra
£1,461
American Airlines
26 Jul
UVF15:20Castries Hewanorra
15h 50m
1 stop
LHR12:10London Heathrow
2 Aug
LHR18:05London Heathrow
25h 15m
2 stops
UVF14:20Castries Hewanorra
£1,462

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 27 June 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

Wed 4/11

19:20-07:35

Nonstop8h 15m

London Gatwick

Tue 10/11

12:30-17:35

Nonstop9h 05m

£754
Fastest return journey

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

£763

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

£793

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

£804

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

£807

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 9/8

16:38-06:30

2 stops32h 52m

London Heathrow

Sun 30/8

12:30-13:49

2 stops30h 19m

£864

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 9/8

16:38-06:30

2 stops32h 52m

London Heathrow

Sun 30/8

12:00-14:19

1 stop31h 19m

£867

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Tue 4/8

15:15-21:00

2 stops24h 45m

London Heathrow

Sun 30/8

17:50-14:20

2 stops49h 30m

£1,009

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 17/7

16:40-06:30

2 stops32h 50m

London Heathrow

Fri 31/7

08:40-12:50

2 stops33h 10m

£1,087

CastriesLondon

UVF - LCY

UVFLCY

Castries Hewanorra

Wed 9/9

15:32-16:40

2 stops20h 08m

London City

Sun 20/9

13:45-14:12

2 stops29h 27m

£1,973

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 £423, 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 £479.

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 10% 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

£593

Fastest flight time

8h 20m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Saint Lucia in the past 72 hours is £593. The best return flight deal from Saint Lucia to London found on momondo in the last 72 hours is £922.
The fastest flight from Saint Lucia to London takes 8h 20m
Direct flights go from Saint Lucia to London every day.
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 £689Free CancellationRating
6.7
8,070 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
Milton Keynes
Gatwick
Luton
Slough
Southend-on-Sea
Maidstone
Ipswich
Ilford
Canterbury
Folkestone
Guildford
Hayes
Chichester
Bedford
Hastings
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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1 adult
Mon 27/7
Mon 3/8

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