£950+ Flights from Saint Lucia to London - Compare & Save Big | Cheapflights

Cheap flight deals from Saint Lucia to London

Round-trip from	£723
One-way from	£441
Good round-trip deal	£712 or less

British Airways

British Airways
16/6-30/6
Nonstop
17h 10m total
Saint Lucia to London

WestJet

WestJet
17/7
2 total stops
37h 50m total
Saint Lucia to London

Price to beat on a round-trip flight from Saint Lucia to London (LON).

Find flight deals from Saint Lucia to London

Cheapest flights from Saint Lucia to London
Explore the most affordable flight options available from Saint Lucia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Mon 16/622:05UVF - LGW

Nonstop8h 20mBritish Airways

Wed 25/611:15LGW - UVF

Nonstop8h 45mBritish Airways

Deal found 28/4£692

Tue 10/615:10UVF - LHR

1 stop34h 25mAir Canada

Thu 3/715:50LHR - UVF

1 stop27h 25mAir Canada

Deal found 29/4£737

Sun 22/614:35UVF - LGW

2 stops37h 50mMultiple Airlines

Thu 3/711:15LGW - UVF

Nonstop8h 45mMultiple Airlines

Deal found 29/4£790

Thu 8/515:09UVF - LHR

1 stop24h 36mIcelandair

Sat 31/508:25LHR - UVF

2 stops58h 24mIcelandair

Deal found 29/4£819

Thu 10/717:40UVF - LGW

2 stops34h 55mIcelandair

Wed 13/812:10LGW - UVF

2 stops57h 10mIcelandair

Deal found 28/4£866

Thu 10/714:35UVF - LHR

1 stop15h 05mMultiple Airlines

Wed 13/817:50LHR - UVF

1 stop24h 55mMultiple Airlines

Deal found 29/4£867

Mon 21/712:35SLU - LHR

1 stop12h 45mMultiple Airlines

Wed 22/1011:25LHR - SLU

1 stop12h 35mMultiple Airlines

Deal found 29/4£890

Sat 27/915:34UVF - LGW

2 stops35h 16mAmerican Airlines

Wed 8/1015:05LGW - UVF

2 stops27h 15mAmerican Airlines

Deal found 29/4£937

Sat 27/915:34UVF - LHR

2 stops23h 11mAmerican Airlines

Wed 8/1020:10LHR - UVF

2 stops22h 10mAmerican Airlines

Deal found 29/4£968

Sun 15/614:35UVF - LGW

2 stops37h 50mWestJet

Tue 8/710:45LGW - UVF

2 stops56h 00mWestJet

Deal found 29/4£984

Fri 9/512:15SLU - LGW

3 stops41h 30mMultiple Airlines

Sun 11/513:05LGW - SLU

2 stops31h 45mMultiple Airlines

Deal found 28/4£1,032

Sun 15/614:35UVF - LHR

2 stops40h 30mWestJet

Fri 4/714:10LHR - UVF

2 stops52h 35mWestJet

Deal found 29/4£1,104

Best flights from Saint Lucia to London
Discover carefully curated flight deals from Saint Lucia to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Mon 16/622:05UVF - LGW

Nonstop8h 20mBritish Airways

Mon 30/611:15LGW - UVF

Nonstop8h 50mBritish Airways

Deal found 28/4£723

Tue 10/615:10UVF - LHR

1 stop34h 25mAir Canada

Thu 3/715:50LHR - UVF

1 stop27h 25mAir Canada

Deal found 29/4£737

Sun 22/614:35UVF - LGW

2 stops37h 50mMultiple Airlines

Thu 3/711:15LGW - UVF

Nonstop8h 45mMultiple Airlines

Deal found 29/4£790

Thu 10/717:40UVF - LGW

2 stops34h 55mIcelandair

Wed 13/812:10LGW - UVF

2 stops57h 10mIcelandair

Deal found 29/4£869

Sat 27/915:34UVF - LGW

2 stops35h 16mAmerican Airlines

Wed 8/1015:05LGW - UVF

2 stops27h 15mAmerican Airlines

Deal found 29/4£937

Sun 15/614:35UVF - LGW

2 stops37h 50mWestJet

Tue 8/710:45LGW - UVF

2 stops56h 00mWestJet

Deal found 29/4£984

Fri 13/614:45UVF - LGW

2 stops34h 50mFinnair

Fri 20/610:40LGW - UVF

2 stops32h 05mFinnair

Deal found 29/4£1,392

Thu 12/615:36UVF - LHR

1 stop16h 54mDelta

Sun 6/718:50LHR - UVF

2 stops48h 30mDelta

Deal found 29/4£1,435

Thu 10/714:35UVF - LHR

1 stop15h 05mMultiple Airlines

Wed 13/817:50LHR - UVF

1 stop24h 55mMultiple Airlines

Deal found 29/4£867

Fri 20/617:40UVF - LHR

1 stop22h 05mIcelandair

Fri 4/711:55LHR - UVF

1 stop33h 14mIcelandair

Deal found 29/4£953

Sat 27/915:34UVF - LHR

2 stops23h 11mAmerican Airlines

Wed 8/1020:10LHR - UVF

2 stops22h 10mAmerican Airlines

Deal found 29/4£968

Mon 21/712:35SLU - LHR

1 stop12h 45mMultiple Airlines

Wed 22/1011:25LHR - SLU

1 stop12h 35mMultiple Airlines

Deal found 29/4£890

Last-minute flights from Saint Lucia to London
Discover last-minute flight deals from Saint Lucia to London. Data last updated 30 April 2025 and is based on user searches.

Mon 5/515:09UVF - LGW

2 stops37h 46mIcelandair

Mon 12/510:55LGW - UVF

2 stops31h 54mIcelandair

Deal found 28/4£893

Thu 8/522:05UVF - LGW

Nonstop8h 20mBritish Airways

Sat 31/511:15LGW - UVF

Nonstop8h 45mBritish Airways

Deal found 29/4£697

Thu 8/515:09UVF - LHR

1 stop24h 36mIcelandair

Sat 31/508:25LHR - UVF

2 stops58h 24mIcelandair

Deal found 29/4£819

Thu 8/522:05UVF - LGW

Nonstop8h 20mMultiple Airlines

Sat 31/514:00LGW - UVF

2 stops28h 45mMultiple Airlines

Deal found 29/4£1,005

Thu 8/515:09UVF - LGW

2 stops18h 31mIcelandair

Sat 31/515:40LGW - UVF

2 stops51h 09mIcelandair

Deal found 29/4£1,151

Thu 8/515:20SLU - LHR

1 stop11h 30mMultiple Airlines

Sat 31/508:05LHR - SLU

1 stop32h 20mMultiple Airlines

Deal found 29/4£1,353

Thu 8/515:26UVF - LCY

2 stops20h 14mDelta

Sat 31/510:00LCY - UVF

2 stops33h 06mDelta

Deal found 29/4£2,685

Fri 9/512:15SLU - LGW

3 stops41h 30mMultiple Airlines

Sun 11/513:05LGW - SLU

2 stops31h 45mMultiple Airlines

Deal found 28/4£1,032

Fri 9/515:26UVF - LHR

1 stop17h 04mDelta

Sun 11/515:15LHR - UVF

2 stops27h 51mDelta

Deal found 28/4£1,434

One-way flights from Saint Lucia to London
Search for one-way flight options from Saint Lucia to London. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Thu 17/714:35UVF - LGW

2 stops37h 50mWestJet

Deal found 28/4£441

Thu 17/718:20SLU - LGW

2 stops31h 35mMultiple Airlines

Deal found 28/4£518

Thu 17/714:35UVF - LGW

1 stop15h 10mMultiple Airlines

Deal found 28/4£521

Thu 17/714:35UVF - LHR

2 stops26h 00mMultiple Airlines

Deal found 28/4£523

Fri 13/615:10UVF - LHR

2 stops34h 20mAir Canada

Deal found 29/4£533

Thu 17/714:35UVF - LCY

2 stops26h 05mMultiple Airlines

Deal found 28/4£538

Tue 6/511:45SLU - LHR

3 stops43h 10mMultiple Airlines

Deal found 29/4£539

Fri 13/620:45UVF - LGW

Nonstop8h 20mBritish Airways

Deal found 29/4£547

Mon 5/515:19UVF - LHR

1 stop34h 56mVirgin Atlantic

Deal found 29/4£891

Mon 12/515:09UVF - LHR

1 stop24h 36mIcelandair

Deal found 29/4£930

Thu 25/915:34UVF - LHR

2 stops23h 11mAmerican Airlines

Deal found 29/4£1,072

Thu 25/915:38UVF - LHR

1 stop14h 32mDelta

Deal found 29/4£1,080

Cheapflights Fare Finder

Use the filters below to find and compare flights from Saint Lucia to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Mon 16/6

22:05-11:25

Nonstop8h 20m

London Gatwick

Mon 30/6

11:15-15:05

Nonstop8h 50m

£723

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Tue 10/6

15:10-06:35

1 stop34h 25m

London Heathrow

Thu 3/7

15:50-14:15

1 stop27h 25m

£737

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sun 22/6

14:35-09:25

2 stops37h 50m

London Gatwick

Thu 3/7

11:15-15:00

Nonstop8h 45m

£790

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Thu 10/7

14:35-10:40

1 stop15h 05m

London Heathrow

Wed 13/8

17:50-13:45

1 stop24h 55m

£867

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Thu 10/7

17:40-09:35

2 stops34h 55m

London Gatwick

Wed 13/8

12:10-16:20

2 stops57h 10m

£869

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Mon 21/7

12:35-06:20

1 stop12h 45m

London Heathrow

Wed 22/10

11:25-19:00

1 stop12h 35m

£890

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sat 27/9

15:34-07:50

2 stops35h 16m

London Gatwick

Wed 8/10

15:05-13:20

2 stops27h 15m

£937

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 20/6

17:40-20:45

1 stop22h 05m

London Heathrow

Fri 4/7

11:55-16:09

1 stop33h 14m

£953

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 27/9

15:34-19:45

2 stops23h 11m

London Heathrow

Wed 8/10

20:10-13:20

2 stops22h 10m

£968

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sun 15/6

14:35-09:25

2 stops37h 50m

London Gatwick

Tue 8/7

10:45-13:45

2 stops56h 00m

£984

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 31 results

1

2

3

4

Best time to book a flight from Saint Lucia to London

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

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

Currently, January is the cheapest month in which you can book a flight from Saint Lucia to London (average of £112). Flying from Saint Lucia to London in August is currently the most expensive (average of £164). 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 LC to LON?

Unlike in the morning, when flights are generally more expensive, you can save up to 2% on flights from Saint Lucia to London by exploring options for tickets at midday.

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Saint Lucia to London, such as Delta, Finnair and Virgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0

Very Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6

Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.4

Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.2

Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Saint Lucia to London one-way?
To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £441. Air Canada flights start at £533 while deals on British Airways start at £547 one-way.
What are the most popular routes from Saint Lucia to London?
Most travelers choose Castries Hewanorra - London Heathrow, Castries Hewanorra - London Gatwick or Castries George F. L. Charle - London Heathrow when deciding on the best route from Saint Lucia to London.
Can I find deals for flights from Saint Lucia to London that include hotel bookings?
Yes. In addition to deals on Saint Lucia to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Saint Lucia to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Lucia to London.
Can I find deals for business class flights from Saint Lucia to London?
Yes. Cheapflights offers flight deals from Saint Lucia to London 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 Saint Lucia to London?
Currently, January is the cheapest month in which you can book a flight from Saint Lucia to London (average of £112). Flying from Saint Lucia to London in August is currently the most expensive (average of £164). 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

Deal

Hounslow

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Ilford

Hayes

Southend-on-Sea

Crawley

Wembley

Ipswich

Maidstone

Winchester

Folkestone

Dartford

Watford

Chichester

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Saint Lucia to London

Bridgetown to Heathrow flights

Nassau to Heathrow flights

Kingston to Gatwick flights

Santo Domingo to Heathrow flights

Santo Domingo to Gatwick flights

Kingston to Heathrow flights

Luis Munoz Marin Intl to Heathrow flights

Bridgetown to Gatwick flights

Luis Munoz Marin Intl to Gatwick flights

George Town to Heathrow flights

Port of Spain to Heathrow flights

Nassau to Gatwick flights

Montego Bay to Heathrow flights

Saint Thomas Island to Heathrow flights

George Town to Gatwick flights

Providenciales to Heathrow flights

St. George's to Heathrow flights

St. George's to Gatwick flights

St. John's to Gatwick flights

Montego Bay to Gatwick flights

Port of Spain to Gatwick flights

St. John's to Heathrow flights

Punta Cana to Heathrow flights

Montego Bay to Birmingham flights

Castries to Heathrow flights

Luis Munoz Marin Intl to Edinburgh flights

Punta Cana to Gatwick flights

Castries to Gatwick flights

Bridgetown to London City flights

Montego Bay to London City flights

Providenciales to Gatwick flights

Oranjestad to Heathrow flights

Basseterre to Gatwick flights

Bridgetown to Manchester flights

Montego Bay to Manchester flights

Road Town to Gatwick flights

Pointe-à-Pitre to Gatwick flights

Havana to Heathrow flights

Castries to London City flights

Complete your trip

London car hire

London Heathrow Airport car hire

London Gatwick Airport car hire

London Stansted Airport car hire

London Luton Airport car hire

London City Airport car hire

London Southend Airport car hire

Birmingham car hire

Manchester car hire

Liverpool car hire

Bristol car hire

Newcastle upon Tyne car hire

Direct flights to England

Direct flights to London

Direct flights to Manchester

Direct flights to Birmingham

Direct flights to Newcastle upon Tyne

Direct flights to Newquay

Direct flights to Bristol

Direct flights to Liverpool

Direct flights to Leeds

Direct flights to Exeter

Direct flights to East Midlands

Direct flights to Bournemouth

Direct flights to Darlington

Direct flights to Grimsby

Other flights to London

London Stansted Airport to Poznan flights

London Stansted Airport to Milan Malpensa Airport flights

London Luton Airport to Gdansk flights

London Stansted Airport to Bergamo flights

London Stansted Airport to Poitiers flights

London Luton Airport to Poznan flights

London Stansted Airport to Eindhoven flights

London Stansted Airport to Mahón flights

London Southend Airport to Pisa flights

London Stansted Airport to Hamburg flights

London Stansted Airport to Newquay flights

London Stansted Airport to Kos flights

London Stansted Airport to Santiago de Compostela flights

London Southend Airport to Palma de Mallorca flights

London Stansted Airport to Bremen flights

London Stansted Airport to Frankfurt-Hahn Airport flights

London Stansted Airport to Clermont-Ferrand flights

London Stansted Airport to Knock flights

Top 2 airlines flying from Saint Lucia to London

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£457	Average£710	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£573	Average£699	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

How does Cheapflights help users find flights from Saint Lucia to London?

Cheapflights helps you search for flights from Saint Lucia to London 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 Saint Lucia to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Saint Lucia to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Saint Lucia to London with no change fees.

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

Yes, Cheapflights offers price alerts on Saint Lucia to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.