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Cheap flights from the United Kingdom to Saint Lucia from £375

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — UVF
6 Apr — 13 Apr1
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 1 April 2025.

Round-trip from

£492

One-way from

£375

Popular in

December

Cheapest in

September

Average price

£707

Good round-trip deal

£314 or less

Good one-way deal

£399 or less
TUI Airways
  • TUI Airways
  • 13/5-27/5
  • Nonstop
  • 16h 45m total
  • United Kingdom to Saint Lucia
22/4
  • 22/4
  • 3 total stops
  • 52h 44m total
  • United Kingdom to Saint Lucia
Highest demand for flights based on searches. 11% potential increase in price (£64 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£30 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from United Kingdom to Saint Lucia.
Price to beat on a one-way flight from United Kingdom to Saint Lucia.

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 1 April 2025.

Tue 13/510:10LGW - UVF
Nonstop8h 45mTUI Airways
Tue 27/515:40UVF - LGW
Nonstop8h 00mTUI Airways
Deal found 31/3£492
Mon 27/1010:05LGW - UVF
Nonstop9h 05mBritish Airways
Mon 3/1122:10UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 1/4£498
Mon 20/1008:30LHR - UVF
1 stop34h 45mAir Canada
Mon 3/1116:35UVF - LHR
1 stop33h 55mAir Canada
Deal found 31/3£551
Thu 19/609:00EDI - UVF
1 stop34h 15mAir Canada
Tue 1/715:10UVF - EDI
1 stop35h 10mAir Canada
Deal found 31/3£570
Mon 17/1120:15LHR - UVF
2 stops47h 20mMultiple Airlines
Mon 1/1216:35UVF - LHR
1 stop35h 55mMultiple Airlines
Deal found 1/4£598
Thu 12/608:05LHR - SLU
1 stop11h 30mMultiple Airlines
Thu 19/615:20SLU - LHR
1 stop11h 30mMultiple Airlines
Deal found 31/3£608
Thu 1/508:15LHR - UVF
1 stop34h 35mIcelandair
Thu 8/515:09UVF - LHR
1 stop24h 36mIcelandair
Deal found 1/4£664
Mon 28/414:00LGW - UVF
2 stops28h 45mFinnair
Mon 12/515:14UVF - LGW
2 stops35h 56mFinnair
Deal found 31/3£681
Sat 13/914:30LGW - UVF
2 stops28h 13mAmerican Airlines
Sat 27/915:34UVF - LGW
2 stops34h 01mAmerican Airlines
Deal found 31/3£692
Wed 3/910:00EDI - UVF
1 stop33h 15mDelta
Wed 17/915:38UVF - EDI
1 stop35h 22mDelta
Deal found 31/3£708
Tue 9/912:15LHR - UVF
1 stop30h 28mAmerican Airlines
Wed 17/915:34UVF - LHR
1 stop34h 21mAmerican Airlines
Deal found 31/3£711
Sun 17/817:25LHR - UVF
1 stop25h 50mDelta
Thu 4/915:35UVF - LHR
1 stop16h 55mDelta
Deal found 1/4£712

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 1 April 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

Tue 13/5

10:10-13:55

Nonstop8h 45m

Castries Hewanorra

Tue 27/5

15:40-04:40

Nonstop8h 00m

£492

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 3/9

11:15-15:00

Nonstop8h 45m

Castries Hewanorra

Thu 2/10

22:05-11:25

Nonstop8h 20m

£506

EdinburghCastries

EDI - UVF

EDIUVF

Edinburgh Turnhouse

Thu 19/6

09:00-14:15

1 stop34h 15m

Castries Hewanorra

Tue 1/7

15:10-07:20

1 stop35h 10m

£570

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 11/9

12:05-14:15

1 stop31h 10m

Castries Hewanorra

Tue 16/9

15:05-11:50

1 stop15h 45m

£573

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Thu 12/6

08:05-14:35

1 stop11h 30m

Castries George F. L. Charle

Thu 19/6

15:20-07:50

1 stop11h 30m

£608

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 1/5

08:15-13:50

1 stop34h 35m

Castries Hewanorra

Mon 5/5

15:09-20:45

1 stop24h 36m

£659

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 28/4

14:00-13:45

2 stops28h 45m

Castries Hewanorra

Mon 12/5

15:14-08:10

2 stops35h 56m

£681

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sat 13/9

14:30-13:43

2 stops28h 13m

Castries Hewanorra

Sat 27/9

15:34-06:35

2 stops34h 01m

£692

EdinburghCastries

EDI - UVF

EDIUVF

Edinburgh Turnhouse

Wed 3/9

10:00-14:15

1 stop33h 15m

Castries Hewanorra

Tue 16/9

15:38-12:05

1 stop15h 27m

£708

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 9/9

12:15-13:43

1 stop30h 28m

Castries Hewanorra

Mon 22/9

15:34-06:55

1 stop34h 21m

£711

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 42 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 1 April 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 1 April 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from United Kingdom to Saint Lucia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.
  • 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 £444. WestJet flights start at £453 while deals on Air Canada start at £521 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

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.

Top 7 airlines flying from United Kingdom to Saint Lucia

Discover the top 7 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 1 April 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£254Average£334FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£436Average£648FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£449Average£656FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£527Average£819FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£531Average£1,364FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£533Average£644FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£961Average£1,019FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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