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Cheap flights from the United Kingdom to Saint Lucia from £406

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — UVF
24 Aug — 31 Aug1
1 adult

Cheap 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 19 August 2025.

Round-trip from

£529

One-way from

£406

Popular in

December

Cheapest in

September

Average price

£691

Good round-trip deal

£553 or less

Good one-way deal

£352 or less
British Airways
  • British Airways
  • 16/11-26/11
  • Nonstop
  • 17h 20m total
  • United Kingdom to Saint Lucia
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British Airways
  • British Airways
  • 24/8
  • Nonstop
  • 8h 45m total
  • United Kingdom to Saint Lucia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from United Kingdom to Saint Lucia.
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Price to beat on a one-way flight from United Kingdom to Saint Lucia.
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Find flight deals from United Kingdom to Saint Lucia

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 19 August 2025.

Sun 21/911:15LGW - UVF
Nonstop8h 45mBritish Airways
Wed 1/1020:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 19/8£533
Sun 12/1011:15LGW - UVF
Nonstop8h 45mBritish Airways
Wed 22/1020:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 19/8£535
Mon 13/1011:15LGW - UVF
Nonstop8h 50mBritish Airways
Wed 22/1020:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 17/8£539
Sat 15/1110:05LGW - UVF
Nonstop9h 05mBritish Airways
Fri 15/520:45UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 18/8£545
Fri 12/911:15LGW - UVF
Nonstop8h 45mBritish Airways
Sun 21/920:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 19/8£550
Thu 20/1110:00LGW - UVF
Nonstop9h 05mBritish Airways
Tue 9/1220:50UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 17/8£554
Sun 14/911:15LGW - UVF
Nonstop8h 45mBritish Airways
Sat 27/920:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 19/8£555
Thu 11/911:15LGW - UVF
Nonstop8h 50mBritish Airways
Sun 21/920:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 18/8£560
Fri 10/1011:15LGW - UVF
Nonstop8h 45mBritish Airways
Fri 17/1020:45UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 19/8£566
Sun 21/912:10LGW - UVF
2 stops55h 05mIcelandair
Wed 1/1015:20UVF - LGW
2 stops37h 15mIcelandair
Deal found 19/8£577
Sun 14/911:15LGW - UVF
Nonstop8h 45mBritish Airways
Thu 25/922:05UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 19/8£579
Fri 12/911:15LGW - UVF
Nonstop8h 45mBritish Airways
Sat 27/920:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 19/8£579

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 19 August 2025.
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 17/11

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Wed 26/11

20:35-08:50

Nonstop8h 15m

£529

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 20/11

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Thu 27/11

22:05-10:20

Nonstop8h 15m

£529

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 18/11

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Thu 27/11

22:05-10:20

Nonstop8h 15m

£529

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 20/11

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Wed 26/11

20:35-08:50

Nonstop8h 15m

£529

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 19/11

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Sun 30/11

20:35-08:50

Nonstop8h 15m

£529

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 18/11

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Wed 26/11

20:35-08:50

Nonstop8h 15m

£529

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 19/11

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Thu 27/11

22:05-10:20

Nonstop8h 15m

£529

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 19/11

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Wed 26/11

20:35-08:50

Nonstop8h 15m

£529

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sun 21/9

08:15-14:15

1 stop35h 00m

Castries Hewanorra

Wed 1/10

15:20-20:45

1 stop24h 25m

£581

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 11/9

08:15-14:15

1 stop35h 00m

Castries Hewanorra

Sun 21/9

15:20-20:45

1 stop24h 25m

£604

Flights are sorted by cheapest return flights first.

Deals found on 18/8

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 £328). Flying from United Kingdom to Saint Lucia in December is currently the most expensive (average of £1,100). 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 19 August 2025.

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.

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 19 August 2025.
Read through reviews of airlines operating flights from the United Kingdom to Saint Lucia, such as Finnair, Virgin Atlantic, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,320 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,320 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Virgin Atlantic
7.4
Good
657 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Air Canada
7.1
Good
9,997 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,283 reviews
Finnair
7.6
Good
1,320 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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, Icelandair, and JetBlue can get you from United Kingdom to Saint Lucia in just under 9h 05m. Your travel time can differ by up to 25h 55m. There are 4223 mi between United Kingdom and Saint Lucia. Both multi-stop and direct flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £406. WestJet flights start at £496 while deals on Air Canada start at £508 one-way.

  • 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 £328). Flying from United Kingdom to Saint Lucia in December is currently the most expensive (average of £1,100). 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

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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
Heathrow to Kingston flights
Gatwick to Bridgetown flights
Gatwick to Punta Cana flights
Heathrow to Punta Cana flights
Gatwick to Kingston flights
Gatwick to Montego Bay flights
London City to Bridgetown flights
Heathrow to Luis Munoz Marin Intl flights
Heathrow to St. John's flights
Heathrow to St. George's flights
Gatwick to Castries flights
Heathrow to Nassau flights
London City to Punta Cana flights
Heathrow to Kingstown flights
Manchester to Bridgetown flights
London City to Montego Bay flights
Heathrow to Port of Spain flights
Heathrow to Castries flights
Gatwick to St. John's flights
London City to Kingston flights
Stansted to Punta Cana flights
Gatwick to Luis Munoz Marin Intl flights
Luton to Punta Cana flights
Gatwick to St. George's flights
Gatwick to Nassau flights
London City to Castries flights
Manchester to Punta Cana flights
Manchester to Montego Bay flights
Heathrow to George Town flights
Gatwick to Havana flights
Stansted to Luis Munoz Marin Intl flights
Heathrow to Santo Domingo flights
Heathrow to Castries flights
Heathrow to Oranjestad flights
Gatwick to Port of Spain flights
Heathrow to Pointe-à-Pitre flights
Heathrow to Road Town flights
Gatwick to Kingstown flights
Gatwick to Santo Domingo flights
London City to Luis Munoz Marin Intl flights
Heathrow to Roseau flights
Heathrow to Santiago de los Caballeros flights
Stansted to Montego Bay flights
Birmingham to Montego Bay flights
Heathrow to Havana flights
Heathrow to Willemstad flights
Heathrow to Scarborough 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 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£280Average£379FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£403Average£606FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£414Average£598FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£504Average£799FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£514Average£639FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£677Average£1,304FlexibilityNo 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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