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Cheap flights from the United Kingdom to Saint Lucia from £419

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — UVF
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

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 21 November 2025.

Round-trip from

£667

One-way from

£419

Popular in

April

Cheapest in

November

Average price

£508

Good round-trip deal

£680 or less

Good one-way deal

£591 or less
JetBlue
  • JetBlue
  • 26/1-30/1
  • 2 total stops
  • 60h 20m total
  • United Kingdom to Saint Lucia
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JetBlue
  • JetBlue
  • 28/1
  • 1 total stop
  • 30h 55m total
  • United Kingdom to Saint Lucia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£54 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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

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 21 November 2025.

Wed 31/1214:40LHR - UVF
2 stops28h 50mDelta
Wed 14/116:25UVF - LHR
2 stops34h 25mDelta
Deal found 20/11£729
Wed 31/1214:40LHR - UVF
2 stops28h 50mDelta
Sun 18/116:25UVF - LHR
2 stops34h 40mDelta
Deal found 20/11£747
Thu 27/1108:55LHR - UVF
1 stop34h 44mDelta
Thu 4/1216:56UVF - LHR
1 stop14h 44mDelta
Deal found 19/11£747
Sun 30/1110:05LGW - UVF
Nonstop9h 05mBritish Airways
Mon 15/1222:05UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 19/11£748
Wed 3/1210:05LGW - UVF
Nonstop9h 05mBritish Airways
Tue 9/1220:50UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 19/11£761
Fri 28/1112:20LHR - UVF
1 stop30h 47mJetBlue
Fri 5/1216:57UVF - LHR
1 stop25h 03mJetBlue
Deal found 19/11£785
Fri 5/1212:00LHR - UVF
2 stops56h 25mAir Canada
Mon 22/1217:15UVF - LHR
2 stops47h 20mAir Canada
Deal found 21/11£786
Mon 29/1213:25LHR - UVF
2 stops54h 55mAir Canada
Wed 14/117:15UVF - LHR
1 stop14h 05mAir Canada
Deal found 20/11£793
Thu 11/1213:20LHR - SLU
1 stop27h 50mMultiple Airlines
Tue 16/1207:30SLU - LHR
1 stop22h 25mMultiple Airlines
Deal found 19/11£800
Mon 1/1211:45LHR - UVF
2 stops56h 35mMultiple Airlines
Sun 7/1217:15UVF - LHR
1 stop33h 15mMultiple Airlines
Deal found 20/11£801
Tue 30/1210:00LGW - UVF
Nonstop9h 05mBritish Airways
Wed 14/120:35UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 20/11£803
Mon 1/1213:45LHR - UVF
2 stops54h 35mAir Canada
Sun 7/1217:15UVF - LHR
2 stops57h 55mAir Canada
Deal found 20/11£806

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 21 November 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

ManchesterCastries

MAN - UVF

MANUVF

Manchester

Sat 31/1

13:00-16:25

2 stops55h 25m

Castries Hewanorra

Sun 8/2

17:15-17:55

2 stops44h 40m

£669

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 12/5

17:40-14:15

1 stop25h 35m

Castries Hewanorra

Fri 22/5

15:10-11:50

1 stop15h 40m

£679

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sat 28/2

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Thu 12/3

22:05-10:20

Nonstop8h 15m

£682

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sun 1/3

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Tue 10/3

20:50-09:05

Nonstop8h 15m

£682

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 3/3

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Wed 11/3

20:35-08:50

Nonstop8h 15m

£682

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 3/3

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Tue 10/3

20:50-09:05

Nonstop8h 15m

£682

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 24/2

11:20-14:50

2 stops31h 30m

Castries Hewanorra

Sun 8/3

15:50-07:30

2 stops35h 40m

£687

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 23/2

11:20-16:02

2 stops32h 42m

Castries Hewanorra

Mon 9/3

14:20-07:30

2 stops37h 10m

£687

BirminghamCastries

BHX - UVF

BHXUVF

Birmingham

Sat 31/1

13:20-16:25

2 stops55h 05m

Castries Hewanorra

Sun 8/2

17:15-12:45

2 stops39h 30m

£688

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 11/5

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Thu 21/5

22:05-11:25

Nonstop8h 20m

£689

Flights are sorted by cheapest return flights first.

Deals found on 19/11

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 £291). Flying from United Kingdom to Saint Lucia in July is currently the most expensive (average of £592). 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 21 November 2025.

It’s typically best to fly out from United Kingdom to Saint Lucia in the morning. Doing so could potentially save you 35% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from United Kingdom to Saint Lucia?

Use this chart to determine the cheapest time to fly return from United Kingdom to Saint Lucia. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to Saint Lucia flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 24% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 129 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] 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.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] 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 21 November 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
1,334 reviews
Check prices

Crew

8.1

Comfort

7.4

Food

6.7

Overall

7.6

Entertainment

6.9

Boarding

7.6

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
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Crew

8.1

Comfort

7.4

Food

6.7

Overall

7.6

Entertainment

6.9

Boarding

7.6

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
7.5
Good
674 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Crew

8.1

Comfort

7.4

Food

6.7

Overall

7.6

Entertainment

6.9

Boarding

7.6

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
10,463 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Crew

8.1

Comfort

7.4

Food

6.7

Overall

7.6

Entertainment

6.9

Boarding

7.6

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
7,534 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Crew

8.1

Comfort

7.4

Food

6.7

Overall

7.6

Entertainment

6.9

Boarding

7.6

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?

    Air Canada, British Airways, and American Airlines can get you from United Kingdom to Saint Lucia in just under 9h 05m. Your travel time can differ by up to 22h 25m. 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 JetBlue, which is currently one of the cheapest options available, starting at £419. British Airways flights start at £438 while deals on Air Canada start at £510 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 £291). Flying from United Kingdom to Saint Lucia in July is currently the most expensive (average of £592). 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
Heathrow to Punta Cana flights
London City to Bridgetown flights
Gatwick to Punta Cana flights
Heathrow to St. George's flights
Gatwick to Bridgetown flights
Manchester to Bridgetown flights
Heathrow to Nassau flights
Gatwick to Kingston flights
London City to Montego Bay flights
Heathrow to Castries flights
London City to Kingston flights
Gatwick to Castries flights
Heathrow to Luis Munoz Marin Intl flights
Heathrow to Port of Spain flights
Gatwick to St. John's flights
Heathrow to Kingstown flights
Gatwick to Luis Munoz Marin Intl flights
Gatwick to Montego Bay flights
London City to Punta Cana flights
Stansted to Punta Cana flights
Gatwick to St. George's flights
Heathrow to St. John's flights
Heathrow to Castries flights
Charles de Gaulle to Pointe-à-Pitre flights
Heathrow to George Town flights
Gatwick to Port of Spain flights
Heathrow to Road Town flights
London City to Castries flights
Luton to Punta Cana flights
Gatwick to Nassau flights
Heathrow to Roseau flights
Heathrow to Santo Domingo flights
Stansted to Bridgetown flights
Heathrow to Basseterre flights
Heathrow to Simpson Bay flights
Gatwick to Basseterre flights
Gatwick to Havana flights
Luton to Montego Bay flights
London City to Luis Munoz Marin Intl flights
Birmingham to Bridgetown flights
Gatwick to Santo Domingo flights
Stansted to Luis Munoz Marin Intl flights
Stansted to Montego Bay flights
Gatwick to Road Town flights
Stansted to Kingston flights
Heathrow to Willemstad 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 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£290Average£421FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
Virgin AtlanticCheapest£393Average£539FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£437Average£686FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£532Average£684FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£603Average£828FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£701Average£1,463FlexibilityNo 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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