Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Saint Lucia from £265

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — UVF
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Saint Lucia

Enter your travel dates to find the best prices.

Cheapest flights from London to Saint Lucia
Explore the most affordable flight options available from London to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Tue 3/312:20
LHR
-
UVF
1 stop31h 41m
JetBlue
Tue 10/316:23
UVF
-
LHR
1 stop25h 17m
JetBlue
Deal found 31/1£590
Sat 22/811:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Thu 3/922:05
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 31/1£610
Wed 18/310:05
LGW
-
UVF
Nonstop9h 05m
British Airways
Wed 25/320:35
UVF
-
LGW
Nonstop8h 15m
British Airways
Deal found 1/2£624
Tue 21/411:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Tue 28/420:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 31/1£624
Tue 3/309:40
LHR
-
SLU
1 stop12h 45m
Multiple Airlines
Tue 10/316:20
SLU
-
LHR
1 stop13h 15m
Multiple Airlines
Deal found 30/1£630
Tue 17/310:00
LGW
-
UVF
Nonstop9h 05m
British Airways
Mon 23/322:05
UVF
-
LGW
Nonstop8h 15m
British Airways
Deal found 31/1£632
Tue 28/411:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Tue 5/520:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 1/2£633
Tue 17/310:00
LGW
-
UVF
Nonstop9h 05m
British Airways
Tue 24/320:50
UVF
-
LGW
Nonstop8h 15m
British Airways
Deal found 31/1£635
Mon 23/210:00
LGW
-
UVF
Nonstop9h 05m
British Airways
Fri 27/220:50
UVF
-
LGW
Nonstop8h 15m
British Airways
Deal found 1/2£638
Mon 16/312:20
LHR
-
UVF
1 stop29h 58m
JetBlue
Mon 23/315:49
UVF
-
LHR
1 stop25h 51m
JetBlue
Deal found 30/1£648
Tue 21/420:05
LHR
-
UVF
2 stops48h 20m
Multiple Airlines
Sun 26/416:05
UVF
-
LHR
1 stop36h 30m
Multiple Airlines
Deal found 30/1£650
Tue 3/310:00
LGW
-
UVF
Nonstop9h 05m
British Airways
Tue 17/320:50
UVF
-
LGW
Nonstop8h 15m
British Airways
Deal found 1/2£650

Find flight deals from London to Saint Lucia

Keep the following information in mind while searching for London to Saint Lucia flight deals. Data was last updated 2 February 2026.

Round-trip from

£590

One-way from

£265

Popular in

April

Cheapest in

November

Average price

£694

Good round-trip deal

£592 or less

Good one-way deal

£482 or less
JetBlue
  • JetBlue
  • 3/3-10/3
  • 2 total stops
  • 56h 58m total
  • London to Saint Lucia
Search Deals
28/4
  • 28/4
  • 2 total stops
  • 45h 05m total
  • London to Saint Lucia
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£184 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£83 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Saint Lucia.
Search Deals
Price to beat on a one-way flight from London (LON) to Saint Lucia.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Saint Lucia 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 2 February 2026.
Use the filters below to find and compare flights from London to Saint Lucia that are best for you.

Fly from

London

Fly to

Saint Lucia

Route

Depart

Return

Price

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Tue 3/3

09:40-18:25

1 stop12h 45m

Castries George F. L. Charle

Tue 10/3

16:20-09:35

1 stop13h 15m

£630

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 11/2

18:00-16:25

1 stop26h 25m

Castries Hewanorra

Wed 18/2

17:15-20:35

2 stops23h 20m

£656

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Wed 25/2

09:40-19:00

1 stop13h 20m

Castries George F. L. Charle

Wed 11/3

12:35-05:25

1 stop12h 50m

£656

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 13/4

17:50-15:20

2 stops50h 30m

Castries Hewanorra

Mon 20/4

16:15-06:35

1 stop33h 20m

£669

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sun 29/3

08:30-15:25

1 stop35h 55m

Castries Hewanorra

Thu 9/4

16:15-21:00

2 stops23h 45m

£673

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sun 15/3

11:20-14:58

2 stops31h 38m

Castries Hewanorra

Thu 26/3

15:58-07:30

2 stops35h 32m

£682

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sat 14/3

11:20-14:58

2 stops31h 38m

Castries Hewanorra

Tue 24/3

15:58-07:30

2 stops35h 32m

£682

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 15/4

08:40-15:25

2 stops35h 45m

Castries Hewanorra

Fri 15/5

15:15-06:35

1 stop34h 20m

£684

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Tue 10/3

09:40-18:25

1 stop12h 45m

Castries George F. L. Charle

Sun 15/3

12:35-05:25

1 stop12h 50m

£686

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 16/3

12:30-14:58

2 stops30h 28m

Castries Hewanorra

Tue 24/3

15:58-07:30

2 stops35h 32m

£687

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from London to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from London 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 London to Saint Lucia

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

Currently, March is the cheapest month in which you can book a flight from London to Saint Lucia (average of £281). Flying from London to Saint Lucia in December is currently the most expensive (average of £627). 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 LON to LC?

Find hourly flight availability from London to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 February 2026.

When flying from London to Saint Lucia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from London to Saint Lucia delayed?

About 23% of weekly flights between London and Saint Lucia have experienced delays in the past year, with the average delay time being 128 minutes.

What is the most punctual flight time for London to Saint Lucia flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Saint Lucia flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 16% of flights being delayed.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. 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 Saint Lucia. Reviews last updated 2 February 2026.
Read through reviews of airlines operating flights from London to Saint Lucia, such as Finnair, JetBlue, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,357 reviews
Check prices

Crew

8.2

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,357 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Crew

8.2

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
JetBlue
7.2
Good
2,892 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Crew

8.2

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Icelandair
7.1
Good
606 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Crew

8.2

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,709 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Crew

8.2

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from London to Saint Lucia. 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 London to Saint Lucia?

    For as low as £691, Air Canada can have you in Saint Lucia from London in 9h 05m. The distance between London and Saint Lucia is about 4223 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The most popular route from London to Saint Lucia is London Gatwick - Castries Hewanorra. You may also consider London Heathrow - Castries Hewanorra or London City - Castries Hewanorra.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Saint Lucia 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 London to Saint Lucia?

    Currently, March is the cheapest month in which you can book a flight from London to Saint Lucia (average of £281). Flying from London to Saint Lucia in December is currently the most expensive (average of £627). 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

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 London to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Bridgetown flights
Heathrow to Montego Bay flights
Heathrow to Punta Cana flights
Heathrow to Kingston flights
Gatwick to Bridgetown flights
Gatwick to Punta Cana flights
London City to Bridgetown flights
Gatwick to Kingston flights
Heathrow to Nassau flights
Heathrow to St. George's flights
Stansted to Bridgetown flights
Manchester to Bridgetown flights
London City to Kingston flights
Gatwick to St. John's flights
Stansted to Punta Cana flights
London City to Montego Bay flights
Heathrow to St. John's flights
Heathrow to Castries flights
London City to Punta Cana flights
Stansted to Kingston flights
Stansted to Montego Bay flights
Gatwick to Montego Bay flights
Luton to Punta Cana flights
Heathrow to Port of Spain flights
Gatwick to Castries flights
Gatwick to St. George's flights
Heathrow to Luis Munoz Marin Intl flights
Heathrow to Willemstad flights
Heathrow to Kingstown flights
Gatwick to Luis Munoz Marin Intl flights
Gatwick to Port of Spain flights
Heathrow to Santo Domingo flights
Gatwick to Willemstad flights
Heathrow to George Town flights
Gatwick to Havana flights
Gatwick to Santo Domingo flights
London City to Castries flights
Heathrow to Basseterre flights
Heathrow to Roseau flights
Heathrow to Simpson Bay flights
Heathrow to Providenciales flights
Luton to Montego Bay flights
Heathrow to Castries flights
Heathrow to Santiago de los Caballeros flights
Stansted to Luis Munoz Marin Intl flights
Gatwick to Nassau flights
Heathrow to Puerto Plata flights
Gatwick to Basseterre flights
Stansted to Santo Domingo flights

Top 6 airlines flying from London to Saint Lucia

Discover the top 6 airlines that operate flights from London to Saint Lucia. 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 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£277Average£464FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
Virgin AtlanticCheapest£333Average£465FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£457Average£661FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£508Average£653FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£576Average£814FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£1,052Average£1,455FlexibilityNo cancel feeOn-time75%
Search KLM 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 London to Saint Lucia?

Cheapflights helps you search for flights from London to Saint Lucia 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 London to Saint Lucia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Saint Lucia from London.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Saint Lucia, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.