Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Saint Lucia to London from £308

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 11/10. 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.
Multiple Airlines Logo
14:30 - 18:00UVF  Castries Hewanorra-LGW London Gatwick
22h 30m2 stops Toronto Pearson Intl Glasgow Intl
Multiple Airlines Logo
06:00 - 14:15LGW  London Gatwick-UVF Castries Hewanorra
37h 15m3 stops Madrid Barajas Halifax Intl Toronto Pearson Intl
£662Multiple Airlines
Sun, 13 Sep - Thu, 17 Sep
Multiple Airlines Logo
14:30 - 10:45UVF  Castries Hewanorra-LGW London Gatwick
15h 15m1 stop Toronto Pearson Intl
Multiple Airlines Logo
06:00 - 14:15LGW  London Gatwick-UVF Castries Hewanorra
37h 15m3 stops Madrid Barajas Halifax Intl Toronto Pearson Intl
£691Multiple Airlines
Sun, 13 Sep - Thu, 17 Sep
British Airways Logo
20:05 - 08:20UVF  Castries Hewanorra-LGW London Gatwick
8h 15mdirect
British Airways Logo
13:15 - 18:20LGW  London Gatwick-UVF Castries Hewanorra
9h 05mdirect
£711British Airways
Fri, 20 Nov - Fri, 27 Nov
JetBlue Logo
16:39 - 20:45UVF  Castries Hewanorra-LHR London Heathrow
23h 06m1 stop New York John F Kennedy Intl
JetBlue Logo
11:55 - 15:34LHR  London Heathrow-UVF Castries Hewanorra
32h 39m1 stop New York John F Kennedy Intl
£735JetBlue
Wed, 9 Sep - Wed, 16 Sep
British Airways Logo
20:25 - 09:50UVF  Castries Hewanorra-LGW London Gatwick
8h 25mdirect
British Airways Logo
11:15 - 15:00LGW  London Gatwick-UVF Castries Hewanorra
8h 45mdirect
£741British Airways
Sun, 20 Sep - Sun, 27 Sep
British Airways Logo
20:45 - 10:10UVF  Castries Hewanorra-LGW London Gatwick
8h 25mdirect
British Airways Logo
11:15 - 15:05LGW  London Gatwick-UVF Castries Hewanorra
8h 50mdirect
£744British Airways
Fri, 25 Sep - Sat, 3 Oct
British Airways Logo
20:45 - 10:10UVF  Castries Hewanorra-LGW London Gatwick
8h 25mdirect
British Airways Logo
11:15 - 15:05LGW  London Gatwick-UVF Castries Hewanorra
8h 50mdirect
£745British Airways
Fri, 25 Sep - Sat, 3 Oct
British Airways Logo
20:45 - 10:10UVF  Castries Hewanorra-LGW London Gatwick
8h 25mdirect
British Airways Logo
11:15 - 15:05LGW  London Gatwick-UVF Castries Hewanorra
8h 50mdirect
£746British Airways
Fri, 25 Sep - Sat, 3 Oct
British Airways Logo
22:00 - 11:25UVF  Castries Hewanorra-LGW London Gatwick
8h 25mdirect
British Airways Logo
12:30 - 17:35LGW  London Gatwick-UVF Castries Hewanorra
9h 05mdirect
£748British Airways
Mon, 28 Sep - Wed, 4 Nov
British Airways Logo
20:25 - 09:50UVF  Castries Hewanorra-LGW London Gatwick
8h 25mdirect
British Airways Logo
11:15 - 15:00LGW  London Gatwick-UVF Castries Hewanorra
8h 45mdirect
£760British Airways
Sun, 13 Sep - Thu, 17 Sep

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

JetBlue flights from Saint Lucia to London

Our best JetBlue deals on Saint Lucia to London flight tickets
JetBlue
9 Sept
UVF16:39Castries Hewanorra
23h 06m
1 stop
LHR20:45London Heathrow
16 Sept
LHR11:55London Heathrow
32h 39m
1 stop
UVF15:34Castries Hewanorra
£735
JetBlue
13 Sept
UVF16:39Castries Hewanorra
35h 51m
1 stop
LHR09:30London Heathrow
17 Sept
LHR08:15London Heathrow
36h 19m
1 stop
UVF15:34Castries Hewanorra
£765
JetBlue
9 Sept
UVF16:39Castries Hewanorra
23h 06m
1 stop
LHR20:45London Heathrow
12 Sept
LHR08:15London Heathrow
36h 19m
1 stop
UVF15:34Castries Hewanorra
£768

Air Canada flights from Saint Lucia to London

Our best Air Canada deals on Saint Lucia to London flight tickets
Air Canada
1 Sept
UVF15:15Castries Hewanorra
24h 45m
2 stops
LHR21:00London Heathrow
15 Oct
LHR08:30London Heathrow
34h 45m
1 stop
UVF14:15Castries Hewanorra
£830
Air Canada
1 Sept
UVF15:15Castries Hewanorra
24h 45m
2 stops
LHR21:00London Heathrow
15 Oct
LHR14:05London Heathrow
29h 10m
2 stops
UVF14:15Castries Hewanorra
£832
Air Canada
1 Sept
UVF15:15Castries Hewanorra
24h 45m
2 stops
LHR21:00London Heathrow
15 Oct
LHR14:05London Heathrow
29h 10m
2 stops
UVF14:15Castries Hewanorra
£833

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 10 August 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 Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Sun 13/9

14:30-18:00

2 stops22h 30m

London Gatwick

Thu 17/9

06:00-14:15

3 stops37h 15m

£662

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Sun 13/9

14:30-10:45

1 stop15h 15m

London Gatwick

Thu 17/9

06:00-14:15

3 stops37h 15m

£691

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Fri 20/11

20:05-08:20

Nonstop8h 15m

London Gatwick

Fri 27/11

13:15-18:20

Nonstop9h 05m

£711

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Wed 9/9

16:39-20:45

1 stop23h 06m

London Heathrow

Wed 16/9

11:55-15:34

1 stop32h 39m

£735
Fastest return journey

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Sun 20/9

20:25-09:50

Nonstop8h 25m

London Gatwick

Sun 27/9

11:15-15:00

Nonstop8h 45m

£741

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Fri 25/9

20:45-10:10

Nonstop8h 25m

London Gatwick

Sat 3/10

11:15-15:05

Nonstop8h 50m

£744

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

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 Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Fri 25/9

20:45-10:10

Nonstop8h 25m

London Gatwick

Sat 3/10

11:15-15:05

Nonstop8h 50m

£746

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Mon 28/9

22:00-11:25

Nonstop8h 25m

London Gatwick

Wed 4/11

12:30-17:35

Nonstop9h 05m

£748

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Sun 13/9

20:25-09:50

Nonstop8h 25m

London Gatwick

Thu 17/9

11:15-15:00

Nonstop8h 45m

£760

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £749, 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 £782.

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 27% 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

£816

Fastest flight time

8h 25m

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 £816
The fastest flight from Saint Lucia to London takes 8h 25m
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 £696Free CancellationRating
6.7
8,153 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
Chichester
Hayes
Guildford
Bedford
Harlow
Colchester
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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 9/9
Wed 16/9
By creating a price alert you accept our terms of use and privacy policy.

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