Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Saint Lucia from £383

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — UVF
13 Mar — 20 Mar1
1 adult

Cheap flight deals from London to Saint Lucia

Keep the following information in mind while searching for London to Saint Lucia flight deals. Data was last updated 8 March 2025.

Round-trip from

£383

Popular in

December

Cheapest in

June

Average price

£533

Good round-trip deal

£334 or less

Good one-way deal

£413 or less
TUI Airways
  • TUI Airways
  • 1/4-8/4
  • Nonstop
  • 16h 45m total
  • London to Saint Lucia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£78 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Saint Lucia.
Search Deals
Price to beat on a one-way flight from London (LON) to Saint Lucia.
Search Deals

Find flight deals from London to Saint Lucia

Cheapest flights from London to Saint Lucia
Explore the most affordable flight options available from London to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 March 2025.

Tue 1/409:55LGW - UVF
Nonstop8h 45mTUI Airways
Tue 8/415:40UVF - LGW
Nonstop8h 00mTUI Airways
Deal found 8/3£383
Mon 3/1110:05LGW - UVF
Nonstop9h 05mBritish Airways
Mon 10/1122:10UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 7/3£504
Sun 9/308:00LHR - UVF
Nonstop9h 25mVirgin Atlantic
Sun 16/321:00UVF - LHR
Nonstop8h 30mVirgin Atlantic
Deal found 8/3£521
Tue 29/415:50LHR - UVF
1 stop27h 55mAir Canada
Tue 13/515:10UVF - LHR
1 stop15h 40mAir Canada
Deal found 7/3£562
Mon 3/1120:05LHR - UVF
2 stops47h 30mMultiple Airlines
Mon 10/1116:35UVF - LHR
1 stop33h 55mMultiple Airlines
Deal found 7/3£570
Mon 28/408:15LHR - UVF
1 stop32h 52mIcelandair
Mon 5/515:10UVF - LHR
1 stop24h 35mIcelandair
Deal found 7/3£687
Mon 28/415:05LGW - UVF
2 stops27h 40mAmerican Airlines
Mon 12/514:34UVF - LGW
2 stops35h 01mAmerican Airlines
Deal found 8/3£691
Mon 10/309:35LHR - SLU
1 stop11h 55mMultiple Airlines
Thu 20/315:20SLU - LHR
1 stop12h 15mMultiple Airlines
Deal found 7/3£694
Sun 16/316:10LHR - UVF
1 stop25h 50mDelta
Tue 25/315:20UVF - LHR
1 stop35h 00mDelta
Deal found 7/3£710
Sun 16/308:00LHR - UVF
Nonstop9h 25mKLM
Tue 25/315:20UVF - LHR
1 stop35h 00mKLM
Deal found 8/3£713
Tue 8/415:00LHR - UVF
1 stop28h 28mAmerican Airlines
Tue 15/415:28UVF - LHR
1 stop16h 02mAmerican Airlines
Deal found 7/3£716
Sun 9/319:00LHR - UVF
2 stops23h 10mFinnair
Sun 16/315:50UVF - LHR
1 stop16h 30mFinnair
Deal found 7/3£828

Find flights from London to Saint Lucia within your budget

Customise your flight search to find flights from London 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 8 March 2025.

Fly from

London

Fly to

Saint Lucia

Route

Depart

Return

Price

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 1/4

09:55-13:40

Nonstop8h 45m

Castries Hewanorra

Tue 8/4

15:40-04:40

Nonstop8h 00m

£383

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 12/3

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Wed 19/3

20:40-08:55

Nonstop8h 15m

£511

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 19/3

13:05-18:30

Nonstop9h 25m

Castries Hewanorra

Wed 26/3

21:00-09:30

Nonstop8h 30m

£544

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 29/4

15:50-14:45

1 stop27h 55m

Castries Hewanorra

Tue 13/5

15:10-11:50

1 stop15h 40m

£562

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 7/4

20:05-14:45

2 stops47h 40m

Castries Hewanorra

Wed 23/4

15:45-09:35

1 stop36h 50m

£600

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 28/4

08:15-12:07

1 stop32h 52m

Castries Hewanorra

Mon 5/5

15:10-20:45

1 stop24h 35m

£687

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 28/4

15:05-13:45

2 stops27h 40m

Castries Hewanorra

Mon 12/5

14:34-06:35

2 stops35h 01m

£691

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 19/3

14:30-14:00

1 stop27h 30m

Castries Hewanorra

Tue 25/3

15:20-06:20

1 stop35h 00m

£710

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 8/4

15:00-14:28

1 stop28h 28m

Castries Hewanorra

Tue 15/4

15:28-12:30

1 stop16h 02m

£716

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Thu 8/5

08:05-14:35

1 stop11h 30m

Castries George F. L. Charle

Fri 16/5

13:55-07:50

1 stop12h 55m

£718

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 26 results
1
2
3

Best time to book a flight from London to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from London 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.

Travel insights for flights from London to Saint Lucia

Get recent, data-driven insights about flights from London to Saint Lucia including ideal travel times, pricing trends, and more.

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

Currently, March is the cheapest month in which you can book a flight from London to Saint Lucia (average of £328). Flying from London to Saint Lucia in December is currently the most expensive (average of £1,098). 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 LON to LC?

Find hourly flight availability from London 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 8 March 2025.

A simple way to save on the total cost of your ticket is to fly from London to Saint Lucia in the morning. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from London to Saint Lucia?

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

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

Weekly flight availability from London to Saint Lucia

Explore weekly flight availability from London to Saint Lucia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 8 March 2025.

The most flights from LON to LC0 are scheduled on a Wednesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 8 March 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from London 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.
Delta
8.0
Very Good
8,024 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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

Delta
8.0
Very Good
8,024 reviews
Delta
8.0
Very Good
8,024 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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

KLM
7.8
Good
1,322 reviews
Delta
8.0
Very Good
8,024 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very Good
8,024 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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

Virgin Atlantic
7.4
Good
643 reviews
Delta
8.0
Very Good
8,024 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
8,024 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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 London 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 most popular routes from London to Saint Lucia?

    The most popular route from London to Saint Lucia is London Heathrow - Castries Hewanorra. You may also consider London Gatwick - Castries Hewanorra or London City - Castries Hewanorra.

  • What are the cheapest flights from London to Saint Lucia?

    The cheapest flight price from London to Saint Lucia is £387. On average you can expect to pay £512. The most popular route, (London Heathrow - Castries Hewanorra), can usually be booked for £534.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 London to Saint Lucia?

    Currently, March is the cheapest month in which you can book a flight from London to Saint Lucia (average of £328). Flying from London to Saint Lucia in December is currently the most expensive (average of £1,098). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Montego Bay flights
Heathrow to Bridgetown flights
Heathrow to Punta Cana flights
Gatwick to Montego Bay flights
Heathrow to Kingston flights
Gatwick to Punta Cana flights
Heathrow to Nassau flights
Gatwick to Bridgetown flights
Gatwick to Kingston flights
London City to Punta Cana flights
Manchester to Bridgetown flights
Heathrow to St. George's flights
London City to Kingston flights
Heathrow to Santo Domingo flights
London City to Montego Bay flights
Heathrow to Castries flights
London City to Bridgetown flights
Heathrow to Kingstown flights
Heathrow to Luis Munoz Marin Intl flights
Gatwick to Santo Domingo flights
Gatwick to Nassau flights
Gatwick to St. George's flights
Gatwick to Castries flights
Gatwick to Luis Munoz Marin Intl flights
Heathrow to St. John's flights
Heathrow to Port of Spain flights
Gatwick to St. John's flights
Heathrow to George Town flights
London City to Santo Domingo flights
Heathrow to Simpson Bay flights
London City to Castries flights
Gatwick to Havana flights
Gatwick to Basseterre flights
Stansted to Punta Cana flights
Manchester to Montego Bay flights
Stansted to Santo Domingo flights
Heathrow to Basseterre flights
Heathrow to Providenciales flights
Heathrow to Castries flights
London City to Luis Munoz Marin Intl flights
Birmingham to Montego Bay flights
Heathrow to Havana flights
Heathrow to Road Town flights
Heathrow to Oranjestad flights
Luton to Montego Bay flights
Heathrow to Freeport flights
Stansted to Montego Bay flights
Manchester to Kingston flights
Luton to Punta Cana flights

Top 6 airlines flying from London to Saint Lucia

Discover the top 6 airlines that operate flights from London 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 8 March 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£255Average£332FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£377Average£615FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£473Average£652FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£528Average£842FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£532Average£1,367FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£534Average£646FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 London to Saint Lucia?

Cheapflights helps you search for flights from London to Saint Lucia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Saint Lucia from London.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Saint Lucia, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.