Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Saint Lucia to London from £362

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
UVF — LON
7 déc. — 14 déc.1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.

Cheapest flights from Saint Lucia to London
Explore the most affordable flight options available from Saint Lucia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 novembre 2025.

jeu. 13/1116:57UVF - LHR
1 stop23h 48mIcelandair
jeu. 27/1109:20LHR - UVF
2 stops60h 19mIcelandair
Deal found 5/11£797
lun. 22/1222:05UVF - LGW
Nonstop8h 15mBritish Airways
ven. 30/110:00LGW - UVF
Nonstop9h 05mBritish Airways
Deal found 5/11£827
mer. 31/1220:35UVF - LGW
Nonstop8h 15mBritish Airways
mer. 7/110:05LGW - UVF
Nonstop9h 05mBritish Airways
Deal found 7/11£839
jeu. 13/1122:05UVF - LGW
Nonstop8h 15mBritish Airways
jeu. 27/1110:00LGW - UVF
Nonstop9h 05mBritish Airways
Deal found 5/11£860
dim. 30/1117:15UVF - LHR
2 stops33h 55mAir Canada
lun. 12/112:05LHR - UVF
2 stops56h 15mAir Canada
Deal found 7/11£898
dim. 30/1117:15UVF - LCY
2 stops43h 25mMultiple Airlines
lun. 12/117:50LCY - UVF
2 stops50h 30mMultiple Airlines
Deal found 7/11£911
sam. 20/1220:35UVF - LGW
Nonstop8h 15mBritish Airways
sam. 3/110:05LGW - UVF
Nonstop9h 05mBritish Airways
Deal found 5/11£928
dim. 30/1117:15UVF - LGW
2 stops44h 35mMultiple Airlines
lun. 12/118:40LGW - UVF
2 stops49h 40mMultiple Airlines
Deal found 7/11£968
lun. 15/1222:05UVF - LGW
Nonstop8h 15mBritish Airways
ven. 3/411:15LGW - UVF
Nonstop8h 50mBritish Airways
Deal found 6/11£988
dim. 30/1120:35UVF - LGW
Nonstop8h 15mBritish Airways
lun. 12/110:00LGW - UVF
Nonstop9h 05mBritish Airways
Deal found 7/11£1,004
jeu. 13/1116:57UVF - LHR
1 stop23h 48mJetBlue
jeu. 27/1107:25LHR - UVF
1 stop36h 16mJetBlue
Deal found 6/11£1,018
ven. 19/1220:50UVF - LGW
Nonstop8h 15mBritish Airways
sam. 27/1210:05LGW - UVF
Nonstop9h 05mBritish Airways
Deal found 5/11£1,025

Cheap flight deals from Saint Lucia to London

Keep the following information in mind while searching for Saint Lucia to London flight deals. Data was last updated 7 novembre 2025.

Round-trip from

£791

One-way from

£362

Good round-trip deal

£787 or less
British Airways
  • British Airways
  • 3/5-7/5
  • Nonstop
  • 17h 10m total
  • Saint Lucia to London
Search Deals
8/12
  • 8/12
  • 2 total stops
  • 33h 40m total
  • Saint Lucia to London
Search Deals
Price to beat on a round-trip flight from Saint Lucia to London (LON).
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 7 novembre 2025.
Use the filters below to find and compare flights from Saint Lucia to London that are best for you.

Fly from

Saint Lucia

Fly to

London

Route

Depart

Return

Price

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

dim. 3/5

20:30-09:50

Nonstop8h 20m

London Gatwick

jeu. 7/5

11:15-15:05

Nonstop8h 50m

£791

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

mer. 31/12

20:35-08:50

Nonstop8h 15m

London Gatwick

mer. 7/1

10:05-15:10

Nonstop9h 05m

£839

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

ven. 3/4

20:50-10:10

Nonstop8h 20m

London Gatwick

sam. 11/4

11:15-15:05

Nonstop8h 50m

£850

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

ven. 3/4

16:20-06:30

2 stops33h 10m

London Heathrow

sam. 11/4

12:05-15:25

1 stop32h 20m

£894

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

dim. 30/11

17:15-07:10

2 stops33h 55m

London Heathrow

lun. 12/1

12:05-16:20

2 stops56h 15m

£898

CastriesLondon

UVF - LCY

UVFLCY

Castries Hewanorra

dim. 30/11

17:15-16:40

2 stops43h 25m

London City

lun. 12/1

17:50-16:20

2 stops50h 30m

£911

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

sam. 20/12

20:35-08:50

Nonstop8h 15m

London Gatwick

sam. 3/1

10:05-15:10

Nonstop9h 05m

£928

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

ven. 6/2

20:50-09:05

Nonstop8h 15m

London Gatwick

mar. 10/2

10:00-15:05

Nonstop9h 05m

£929

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

jeu. 26/3

22:05-10:20

Nonstop8h 15m

London Gatwick

lun. 30/3

11:15-15:05

Nonstop8h 50m

£963

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

jeu. 26/3

14:20-12:05

1 stop17h 45m

London Heathrow

lun. 30/3

18:05-14:50

2 stops25h 45m

£993

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 53 results
1
2
3
...
6

Best time to book a flight from Saint Lucia to London

Have a flexible travel schedule? Discover the best time to fly to London from Saint Lucia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Saint Lucia to London

What is the cheapest month to book a flight from Saint Lucia to London?

Currently, September is the cheapest month in which you can book a flight from Saint Lucia to London (average of £432). Flying from Saint Lucia to London in May is currently the most expensive (average of £712). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LC to LON?

Find hourly flight availability from Saint Lucia to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 novembre 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Saint Lucia to London as you normally would.

Weekly flight availability from Saint Lucia to London

Explore weekly flight availability from Saint Lucia to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 7 novembre 2025.

The most flights from LC0 to LON are scheduled on a Tuesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 7 novembre 2025.
Read through reviews of airlines operating flights from Saint Lucia to London, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,501 reviews
Check prices

Comfort

6.7

Crew

7.6

Food

6.3

Boarding

6.9

Overall

6.7

Entertainment

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

ALG - LGW

Didn't like anything from this flight starting with the lady at the counter. Nasty attitude.
British Airways
6.7
Okay
7,501 reviews
British Airways
6.7
Okay
7,501 reviews
Check prices

Comfort

6.7

Crew

7.6

Food

6.3

Boarding

6.9

Overall

6.7

Entertainment

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

ALG - LGW

Didn't like anything from this flight starting with the lady at the counter. Nasty attitude.

Related info for your journey

Find useful and relevant information for your journey from Saint Lucia to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Saint Lucia to London?

    There are many flights that can get you from Saint Lucia to London in 8h 20m. Fly via British Airways, Air Canada, or Delta to get the fastest option. The distance from Saint Lucia to London is about 4223 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Saint Lucia to London one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at £485. Air Canada flights start at £506 while deals on British Airways start at £534 one-way.

  • What are the most popular routes from Saint Lucia to London?

    Most travelers choose Castries Hewanorra - London Gatwick, Castries Hewanorra - London Heathrow or Castries Hewanorra - London City when deciding on the best route from Saint Lucia to London.

  • Can I find deals for flights from Saint Lucia to London that include hotel bookings?

    Yes. In addition to deals on Saint Lucia to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Saint Lucia to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Lucia to London.

  • Can I find deals for business class flights from Saint Lucia to London?

    Yes. Cheapflights offers flight deals from Saint Lucia to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Saint Lucia to London?

    Currently, September is the cheapest month in which you can book a flight from Saint Lucia to London (average of £432). Flying from Saint Lucia to London in May is currently the most expensive (average of £712). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Crawley
Brentford
Romford
Chichester
Ipswich
Bedford
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Saint Lucia to London

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Heathrow flights
Bridgetown to Heathrow flights
Luis Munoz Marin Intl to Gatwick flights
Bridgetown to Gatwick flights
Port of Spain to Heathrow flights
Nassau to Heathrow flights
Montego Bay to Heathrow flights
Kingston to Heathrow flights
Luis Munoz Marin Intl to Edinburgh flights
St. George's to Gatwick flights
Port of Spain to Gatwick flights
Santo Domingo to Heathrow flights
Road Town to Heathrow flights
George Town to Heathrow flights
Bridgetown to London City flights
Road Town to Gatwick flights
Santo Domingo to Gatwick flights
St. George's to Heathrow flights
George Town to Gatwick flights
Kingston to Gatwick flights
Castries to Gatwick flights
Bridgetown to Manchester flights
Punta Cana to Gatwick flights
St. John's to Gatwick flights
Montego Bay to Gatwick flights
Oranjestad to Heathrow flights
Punta Cana to Heathrow flights
Castries to Heathrow flights
Kingston to Manchester flights
Montego Bay to London City flights
Castries to London City flights
Nassau to Gatwick flights
St. John's to Heathrow flights
Havana to Heathrow flights
Simpson Bay to Heathrow flights
Port of Spain to Stansted flights
Kingstown to Gatwick flights
Simpson Bay to Gatwick flights
Saint Thomas Island to Heathrow flights

Top 2 airlines flying from Saint Lucia to London

Discover the top 2 airlines that operate flights from Saint Lucia to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 novembre 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£585Average£711FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£662Average£799FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Saint Lucia to London?

Cheapflights helps you search for flights from Saint Lucia to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Saint Lucia to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Saint Lucia to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Saint Lucia to London with no change fees?

Yes! Cheapflights helps users easily find flights from Saint Lucia to London with no change fees.

Can Cheapflights notify me if prices for flights from Saint Lucia to London become cheaper?

Yes, Cheapflights offers price alerts on Saint Lucia to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.