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Cheap flights from Saint Lucia to London from £433

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
UVF — LON
20 Apr — 27 Apr1
1 adult

Cheap flight deals from Saint Lucia to London

Keep the following information in mind while searching for Saint Lucia to London flight deals. Data was last updated 15 April 2025.

Round-trip from

£711

One-way from

£433

Good round-trip deal

£695 or less
British Airways
  • British Airways
  • 16/6-30/6
  • Nonstop
  • 17h 10m total
  • Saint Lucia to London
Search Deals
9/5
  • 9/5
  • 2 total stops
  • 37h 05m total
  • Saint Lucia to London
Search Deals
Price to beat on a round-trip flight from Saint Lucia to London (LON).
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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 15 April 2025.

Sat 21/620:25UVF - LGW
Nonstop8h 20mBritish Airways
Sat 23/811:15LGW - UVF
Nonstop8h 45mBritish Airways
Deal found 14/4£711
Sun 8/614:35UVF - LGW
1 stop15h 10mMultiple Airlines
Sat 5/708:50LGW - UVF
2 stops33h 55mMultiple Airlines
Deal found 15/4£863
Thu 24/416:52UVF - LHR
2 stops32h 38mIcelandair
Mon 12/508:15LHR - UVF
1 stop34h 34mIcelandair
Deal found 15/4£878
Fri 30/515:10UVF - LHR
2 stops24h 50mAir Canada
Mon 9/608:30LHR - UVF
1 stop34h 45mAir Canada
Deal found 15/4£934
Sun 8/614:35UVF - LHR
2 stops26h 25mMultiple Airlines
Sat 5/707:40LHR - UVF
2 stops35h 05mMultiple Airlines
Deal found 15/4£936
Tue 7/1016:10UVF - LGW
2 stops33h 25mAmerican Airlines
Tue 14/1014:30LGW - UVF
2 stops26h 40mAmerican Airlines
Deal found 15/4£982
Thu 24/409:25SLU - LGW
3 stops39h 55mMultiple Airlines
Mon 12/514:40LGW - SLU
3 stops47h 50mMultiple Airlines
Deal found 15/4£1,006
Thu 24/413:12UVF - LGW
2 stops20h 28mIcelandair
Mon 12/515:40LGW - UVF
2 stops51h 09mIcelandair
Deal found 15/4£1,026
Wed 23/410:15SLU - LHR
2 stops28h 45mMultiple Airlines
Sun 11/511:20LHR - SLU
3 stops33h 30mMultiple Airlines
Deal found 15/4£1,147
Sun 15/614:35UVF - LHR
2 stops40h 30mWestJet
Fri 4/714:10LHR - UVF
2 stops52h 35mWestJet
Deal found 15/4£1,308
Fri 2/515:28UVF - LGW
2 stops35h 42mFinnair
Thu 8/515:05LGW - UVF
2 stops28h 06mFinnair
Deal found 15/4£1,419
Sat 21/615:36UVF - LGW
2 stops37h 24mDelta
Sat 23/812:00LGW - UVF
2 stops31h 15mDelta
Deal found 14/4£1,426

Cheapflights Fare Finder

Customise your flight search to find flights from Saint Lucia to London 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 15 April 2025.
Use the filters below to find and compare flights from Saint Lucia to London that are best for you.

Fly from

Saint Lucia

Fly to

London

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

£711

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sun 8/6

14:35-10:45

1 stop15h 10m

London Gatwick

Sat 5/7

08:50-13:45

2 stops33h 55m

£863

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 30/5

15:10-21:00

2 stops24h 50m

London Heathrow

Mon 9/6

08:30-14:15

1 stop34h 45m

£934

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 8/6

14:35-22:00

2 stops26h 25m

London Heathrow

Sat 5/7

07:40-13:45

2 stops35h 05m

£936

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Tue 7/10

16:10-06:35

2 stops33h 25m

London Gatwick

Tue 14/10

14:30-12:10

2 stops26h 40m

£982

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

Mon 16/6

16:35-06:20

2 stops32h 45m

London Gatwick

Mon 30/6

06:25-19:00

3 stops41h 35m

£1,011

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Wed 18/6

10:15-09:15

2 stops42h 00m

London Heathrow

Wed 2/7

20:10-11:30

3 stops44h 20m

£1,099

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sun 15/6

17:40-11:45

2 stops37h 05m

London Gatwick

Fri 4/7

15:40-16:20

2 stops29h 40m

£1,148

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 15/6

17:40-09:30

1 stop34h 50m

London Heathrow

Fri 4/7

11:55-16:20

1 stop33h 25m

£1,224

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 15/6

14:35-12:05

2 stops40h 30m

London Heathrow

Fri 4/7

14:10-13:45

2 stops52h 35m

£1,308

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 28 results
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2
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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?

Find hourly flight availability from Saint Lucia to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

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

Plan your trip to London by taking into account the average rainfall totals 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

Plan your trip to London by taking into account the average temperature totals 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

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 15 April 2025.
Read through reviews of airlines operating flights from Saint Lucia to London, such as Delta, Finnair and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,918 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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.
Delta
8.0
Very Good
7,918 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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.
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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.
JetBlue
7.3
Good
2,927 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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
10,000 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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

Find useful and relevant information for your journey from Saint Lucia to London. 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 Saint Lucia to London one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at £492. British Airways flights start at £566 while deals on Air Canada start at £579 one-way.

  • What are the most popular routes from Saint Lucia to London?

    Most travelers choose Castries Hewanorra - London Heathrow, Castries George F. L. Charle - London Heathrow or Castries Hewanorra - London Gatwick 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

Travelling to a place near Saint Lucia?

Book flights to Saint Lucia if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Hayes
Crawley
Southend-on-Sea
Maidstone
Ipswich
Southall
Ilford
Winchester
Folkestone
Dartford
Watford

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 Saint Lucia to London

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Top 2 airlines flying from Saint Lucia to London

Discover the top 2 airlines that operate flights from Saint Lucia to London. 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£465Average£723FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£584Average£712FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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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.

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