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Cheap flights from the United Kingdom to Saint Lucia from £354

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — UVF
3 Feb — 10 Feb1
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 4 January 2026.

Mon 2/213:45LHR - UVF
2 stops54h 35mAir Canada
Wed 11/217:15UVF - LHR
2 stops23h 20mAir Canada
Deal found 2/1£643
Mon 27/409:20LHR - SLU
1 stop14h 40mMultiple Airlines
Tue 5/515:45SLU - LHR
1 stop12h 35mMultiple Airlines
Deal found 2/1£646
Sat 7/310:05LGW - UVF
Nonstop9h 05mBritish Airways
Fri 13/320:50UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 4/1£646
Sun 3/511:15LGW - UVF
Nonstop8h 50mBritish Airways
Mon 18/522:05UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 4/1£651
Mon 9/309:40LHR - SLU
1 stop13h 20mMultiple Airlines
Thu 19/315:45SLU - LHR
1 stop14h 10mMultiple Airlines
Deal found 3/1£653
Tue 3/307:25LHR - UVF
1 stop36h 36mJetBlue
Tue 17/315:48UVF - LHR
1 stop25h 52mJetBlue
Deal found 3/1£653
Wed 21/109:00LHR - UVF
2 stops35h 25mAir Canada
Wed 28/117:15UVF - LHR
1 stop33h 15mAir Canada
Deal found 2/1£654
Tue 27/117:10LHR - UVF
2 stops51h 15mMultiple Airlines
Fri 27/316:15UVF - LHR
1 stop15h 05mMultiple Airlines
Deal found 2/1£658
Thu 26/210:00LGW - UVF
Nonstop9h 05mBritish Airways
Fri 24/420:50UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 2/1£658
Mon 12/109:00LHR - UVF
2 stops59h 20mAir Canada
Sun 18/117:15UVF - LHR
1 stop35h 15mAir Canada
Deal found 2/1£659
Wed 25/209:00LHR - UVF
2 stops35h 25mAir Canada
Wed 4/317:15UVF - LHR
2 stops33h 55mAir Canada
Deal found 3/1£663
Mon 9/212:20LHR - UVF
1 stop31h 33mJetBlue
Mon 16/217:05UVF - LHR
1 stop24h 35mJetBlue
Deal found 2/1£663

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 4 January 2026.

Round-trip from

£643

One-way from

£354

Popular in

April

Cheapest in

November

Average price

£643

Good round-trip deal

£650 or less

Good one-way deal

£404 or less
Air Canada
  • Air Canada
  • 2/2-11/2
  • 4 total stops
  • 77h 55m total
  • United Kingdom to Saint Lucia
Search Deals
25/2
  • 25/2
  • 1 total stop
  • 31h 01m total
  • United Kingdom to Saint Lucia
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£190 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£85 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 4 January 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

LHR - SLU

LHRSLU

London Heathrow

Mon 27/4

09:20-19:00

1 stop14h 40m

Castries George F. L. Charle

Tue 5/5

15:45-09:20

1 stop12h 35m

£646

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sun 3/5

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Mon 18/5

22:05-11:25

Nonstop8h 20m

£652

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Mon 9/3

09:40-19:00

1 stop13h 20m

Castries George F. L. Charle

Thu 19/3

15:45-09:55

1 stop14h 10m

£653

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 9/3

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Thu 19/3

22:05-10:20

Nonstop8h 15m

£658

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 25/2

09:00-16:25

2 stops35h 25m

Castries Hewanorra

Wed 4/3

17:15-07:10

2 stops33h 55m

£663

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 5/3

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Wed 11/3

20:35-08:50

Nonstop8h 15m

£668

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 5/3

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Thu 12/3

22:05-10:20

Nonstop8h 15m

£668

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 4/3

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Sun 15/3

20:35-08:50

Nonstop8h 15m

£677

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Fri 6/3

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Sun 15/3

20:35-08:50

Nonstop8h 15m

£677

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 4/3

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Fri 13/3

20:50-09:05

Nonstop8h 15m

£677

Flights are sorted by cheapest return flights first.

Deals found on 3/1

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 £284). Flying from United Kingdom to Saint Lucia in December is currently the most expensive (average of £634). 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 4 January 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 23% of weekly flights between United Kingdom and Saint Lucia have experienced delays in the past year, with the average delay time being 129 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?

Friday 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 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 4 January 2026.
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
1,345 reviews
Check prices

Crew

8.2

Comfort

7.4

Boarding

7.6

Overall

7.6

Food

6.7

Entertainment

6.9

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
1,345 reviews
Finnair
7.6
Good
1,345 reviews
Check prices

Crew

8.2

Comfort

7.4

Boarding

7.6

Overall

7.6

Food

6.7

Entertainment

6.9

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
678 reviews
Finnair
7.6
Good
1,345 reviews
Check prices

Crew

8.2

Comfort

7.4

Boarding

7.6

Overall

7.6

Food

6.7

Entertainment

6.9

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
10,589 reviews
Finnair
7.6
Good
1,345 reviews
Check prices

Crew

8.2

Comfort

7.4

Boarding

7.6

Overall

7.6

Food

6.7

Entertainment

6.9

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
7,642 reviews
Finnair
7.6
Good
1,345 reviews
Check prices

Crew

8.2

Comfort

7.4

Boarding

7.6

Overall

7.6

Food

6.7

Entertainment

6.9

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, 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 35m. 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 £284). Flying from United Kingdom to Saint Lucia in December is currently the most expensive (average of £634). 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.
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Birmingham to Montego Bay flights
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Heathrow to Basseterre flights
Manchester to Punta Cana flights
London City to Santo Domingo flights
Gatwick to Nassau flights
London City to St. John's flights
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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 4 January 2026.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£282Average£403FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
Virgin AtlanticCheapest£371Average£516FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£449Average£687FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£517Average£664FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£586Average£803FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£680Average£1,462FlexibilityNo 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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