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Cheap flights from the United Kingdom to Saint Lucia from £236

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.
LHR — UVF
16 Mar — 23 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Saint Lucia

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Saint Lucia
Explore the most affordable flight options available from United Kingdom to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 February 2026.

Mon 15/611:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Tue 7/720:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 13/2£592
Fri 30/1010:00
LGW
-
UVF
Nonstop9h 05m
British Airways
Mon 9/1122:05
UVF
-
LGW
Nonstop8h 15m
British Airways
Deal found 11/2£603
Sat 25/411:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Sat 9/520:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 13/2£607
Thu 11/611:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Sat 4/720:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 13/2£608
Tue 12/511:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Fri 22/520:50
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 13/2£616
Tue 17/310:00
LGW
-
UVF
Nonstop9h 05m
British Airways
Mon 23/322:05
UVF
-
LGW
Nonstop8h 15m
British Airways
Deal found 12/2£624
Mon 15/611:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Sat 4/720:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 13/2£625
Fri 1/511:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Fri 22/520:50
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 11/2£638
Sun 12/411:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Sun 26/420:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 11/2£639
Sun 8/308:00
LHR
-
SLU
1 stop15h 00m
Multiple Airlines
Wed 18/312:35
SLU
-
LHR
1 stop12h 50m
Multiple Airlines
Deal found 13/2£650
Wed 4/308:00
LHR
-
SLU
1 stop32h 05m
Multiple Airlines
Tue 10/316:20
SLU
-
LHR
1 stop13h 15m
Multiple Airlines
Deal found 13/2£669
Tue 3/309:40
LHR
-
SLU
1 stop12h 45m
Multiple Airlines
Tue 17/316:20
SLU
-
LHR
1 stop13h 15m
Multiple Airlines
Deal found 13/2£673

Find flight deals from United Kingdom to Saint Lucia

Keep the following information in mind while searching for United Kingdom to Saint Lucia flight deals. Data was last updated 14 February 2026.

Round-trip from

£592

One-way from

£236

Popular in

April

Cheapest in

November

Average price

£673

Good round-trip deal

£604 or less

Good one-way deal

£471 or less
British Airways
  • British Airways
  • 15/6-7/7
  • Nonstop
  • 17h 10m total
  • United Kingdom to Saint Lucia
Search Deals
28/4
  • 28/4
  • 3 total stops
  • 43h 55m total
  • United Kingdom to Saint Lucia
Search Deals
Highest demand for flights based on searches. 45% potential increase in price (£508 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (£85 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 United Kingdom to Saint Lucia.
Search Deals
Price to beat on a one-way flight from United Kingdom to Saint Lucia.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 14 February 2026.
Use the filters below to find and compare flights from the United Kingdom to Saint Lucia that are best for you.

Fly from

United Kingdom

Fly to

Saint Lucia

Route

Depart

Return

Price

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 15/6

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Tue 7/7

20:30-09:50

Nonstop8h 20m

£592

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 16/6

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Sat 4/7

20:30-09:50

Nonstop8h 20m

£608

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 11/6

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Sat 4/7

20:30-09:50

Nonstop8h 20m

£608

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sun 14/6

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Sat 4/7

20:30-09:50

Nonstop8h 20m

£608

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 12/5

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Fri 22/5

20:50-10:10

Nonstop8h 20m

£634

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sun 14/6

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Mon 6/7

22:05-11:25

Nonstop8h 20m

£635

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 11/6

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Mon 6/7

22:05-11:25

Nonstop8h 20m

£635

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sat 13/6

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Mon 6/7

22:05-11:25

Nonstop8h 20m

£635

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Sun 8/3

08:00-19:00

1 stop15h 00m

Castries George F. L. Charle

Wed 18/3

12:35-05:25

1 stop12h 50m

£650

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 16/4

08:40-15:20

2 stops35h 40m

Castries Hewanorra

Mon 20/4

16:15-08:35

2 stops59h 20m

£684

Flights are sorted by cheapest return flights first.

Deals found on 14/2

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to Saint Lucia

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

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

Currently, March is the cheapest month in which you can book a flight from United Kingdom to Saint Lucia (average of £280). Flying from United Kingdom to Saint Lucia in December is currently the most expensive (average of £628). 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 GB to LC?

Find hourly flight availability from United Kingdom 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 14 February 2026.

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

How often are flights from the United Kingdom to Saint Lucia delayed?

About 21% of weekly flights between United Kingdom and Saint Lucia have experienced delays in the past year, with the average delay time being 120 minutes.

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

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 9% 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 14 February 2026.
Read through reviews of airlines operating flights from the United Kingdom to Saint Lucia, such as Finnair, Air Canada, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,362 reviews
Check prices

Food

6.7

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.9

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
1,362 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Food

6.7

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Air Canada
7.1
Good
10,717 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Food

6.7

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.9

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
614 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Food

6.7

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.9

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
7,739 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Food

6.7

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.9

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 United Kingdom 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 United Kingdom to Saint Lucia?

    British Airways, Air Canada, and JetBlue can get you from United Kingdom to Saint Lucia in just under 8h 50m. Your travel time can differ by up to 26h 50m. There are 4223 mi between United Kingdom and Saint Lucia. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Saint Lucia?

    Currently, March is the cheapest month in which you can book a flight from United Kingdom to Saint Lucia (average of £280). Flying from United Kingdom to Saint Lucia in December is currently the most expensive (average of £628). 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

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Alternative routes for United Kingdom 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
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Heathrow to St. George's flights
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Manchester to Bridgetown flights
Stansted to Kingston flights
Heathrow to St. John's flights
Stansted to Punta Cana flights
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London City to Punta Cana flights
Heathrow to Kingstown flights
Heathrow to Luis Munoz Marin Intl flights
Luton to Punta Cana flights
London City to Castries flights
Heathrow to Port of Spain flights
Heathrow to Santo Domingo flights
Gatwick to Santo Domingo flights
Gatwick to St. George's flights
Gatwick to Luis Munoz Marin Intl flights
Gatwick to Port of Spain flights
Luton to Montego Bay flights
Heathrow to Willemstad flights
Gatwick to Willemstad flights
Stansted to Santo Domingo flights
London City to Santo Domingo flights
Gatwick to Havana flights
Heathrow to Roseau flights
Stansted to Luis Munoz Marin Intl flights
Heathrow to Providenciales flights
Birmingham to Montego Bay flights
Heathrow to George Town flights
Heathrow to Oranjestad flights
London City to Luis Munoz Marin Intl flights
Heathrow to Simpson Bay flights
Heathrow to Castries flights

Top 6 airlines flying from United Kingdom to Saint Lucia

Discover the top 6 airlines that operate flights from United Kingdom 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 14 February 2026.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£278Average£484FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
Virgin AtlanticCheapest£334Average£466FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£463Average£780FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£513Average£654FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£577Average£816FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£1,055Average£1,477FlexibilityNo 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 United Kingdom to Saint Lucia?

Deals for United Kingdom to Saint Lucia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to Saint Lucia for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Saint Lucia from United Kingdom shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Saint Lucia from United Kingdom today and book when prices fit your budget.

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