How long is the flight from Saint Lucia to London?

There are many flights that can get you from Saint Lucia to London in 8h 15m. Fly via Air Canada, British Airways, or JetBlue to get the fastest option. The distance from Saint Lucia to London is about 4223 mi. Both multi-stop and direct flights can be found to your destination and back.

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.

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).

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

Most travelers choose Castries Hewanorra - London City, Castries Hewanorra - London Gatwick or Castries Hewanorra - 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.

£344+ Flights from Saint Lucia to London

Cheap flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.

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 12 décembre 2025.

jeu. 18/1222:05UVF - LGW

Nonstop8h 15mBritish Airways

jeu. 25/1210:00LGW - UVF

Nonstop9h 05mBritish Airways

Deal found 11/12£852

mar. 23/1215:53UVF - LHR

1 stop16h 07mAmerican Airlines

mer. 31/1217:00LHR - UVF

2 stops25h 52mAmerican Airlines

Deal found 11/12£1,426

mar. 23/1216:50UVF - LCY

2 stops19h 45mDelta

mer. 31/1208:40LCY - UVF

2 stops34h 50mDelta

Deal found 11/12£1,592

jeu. 18/1216:54UVF - LGW

2 stops34h 36mAmerican Airlines

jeu. 25/1212:30LGW - UVF

2 stops28h 34mAmerican Airlines

Deal found 11/12£1,942

mar. 23/1217:10UVF - LGW

2 stops25h 25mMultiple Airlines

mer. 31/1210:15LGW - UVF

2 stops33h 32mMultiple Airlines

Deal found 11/12£2,094

jeu. 18/1217:10UVF - LHR

2 stops36h 45mMultiple Airlines

jeu. 25/1206:35LHR - UVF

2 stops34h 24mMultiple Airlines

Deal found 11/12£3,100

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 12 décembre 2025.

mer. 15/416:20UVF - LHR

1 stop14h 30mAir Canada

lun. 20/417:10LHR - UVF

2 stops51h 10mAir Canada

Deal found 11/12£822

lun. 16/222:05UVF - LGW

Nonstop8h 15mBritish Airways

dim. 3/511:15LGW - UVF

Nonstop8h 50mBritish Airways

Deal found 10/12£836

mer. 15/415:56UVF - LHR

1 stop23h 49mJetBlue

lun. 20/408:15LHR - UVF

1 stop35h 18mJetBlue

Deal found 11/12£921

mer. 15/416:05UVF - LHR

1 stop15h 25mAmerican Airlines

lun. 20/415:00LHR - UVF

1 stop27h 15mAmerican Airlines

Deal found 11/12£1,015

dim. 1/217:21UVF - LHR

1 stop36h 09mMultiple Airlines

dim. 15/212:00LHR - UVF

2 stops32h 25mMultiple Airlines

Deal found 10/12£1,017

mar. 23/1216:50UVF - LCY

2 stops19h 45mDelta

mer. 31/1208:40LCY - UVF

2 stops34h 50mDelta

Deal found 11/12£1,592

jeu. 1/122:05UVF - LGW

Nonstop8h 15mBritish Airways

jeu. 8/110:00LGW - UVF

Nonstop9h 05mBritish Airways

Deal found 10/12£898

sam. 24/120:35UVF - LGW

Nonstop8h 15mBritish Airways

sam. 31/110:05LGW - UVF

Nonstop9h 05mBritish Airways

Deal found 10/12£919

mer. 15/415:56UVF - LGW

2 stops17h 44mMultiple Airlines

lun. 20/415:40LGW - UVF

2 stops27h 53mMultiple Airlines

Deal found 11/12£1,072

lun. 16/216:51UVF - LGW

2 stops43h 19mMultiple Airlines

dim. 3/511:15LGW - UVF

Nonstop8h 50mMultiple Airlines

Deal found 10/12£1,076

dim. 1/220:35UVF - LGW

Nonstop8h 15mBritish Airways

dim. 15/210:05LGW - UVF

Nonstop9h 05mBritish Airways

Deal found 10/12£1,031

mar. 23/1215:53UVF - LHR

1 stop16h 07mAmerican Airlines

mer. 31/1217:00LHR - UVF

2 stops25h 52mAmerican Airlines

Deal found 11/12£1,426

jeu. 1/115:20SLU - LHR

1 stop14h 15mMultiple Airlines

jeu. 8/113:20LHR - SLU

1 stop27h 50mMultiple Airlines

Deal found 10/12£1,233

dim. 1/216:25UVF - LCY

2 stops20h 10mDelta

dim. 15/213:45LCY - UVF

2 stops29h 20mDelta

Deal found 10/12£1,592

sam. 24/120:35UVF - LGW

Nonstop8h 15mMultiple Airlines

sam. 31/116:35LGW - UVF

2 stops51h 50mMultiple Airlines

Deal found 10/12£1,238

sam. 24/117:02UVF - LGW

2 stops35h 58mAmerican Airlines

sam. 31/111:20LGW - UVF

2 stops30h 26mAmerican Airlines

Deal found 10/12£1,504

mer. 15/415:20UVF - LCY

2 stops20h 20mDelta

lun. 20/410:00LCY - UVF

2 stops33h 08mDelta

Deal found 11/12£1,863

dim. 1/217:21UVF - LGW

2 stops35h 59mMultiple Airlines

dim. 15/210:05LGW - UVF

Nonstop9h 05mMultiple Airlines

Deal found 10/12£1,453

Direct flights from Saint Lucia to London
Explore direct flight options from Saint Lucia to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 décembre 2025.

lun. 16/222:05UVF - LGW

Nonstop8h 15mBritish Airways

dim. 3/511:15LGW - UVF

Nonstop8h 50mBritish Airways

Deal found 10/12£836

jeu. 1/122:05UVF - LGW

Nonstop8h 15mBritish Airways

jeu. 8/110:00LGW - UVF

Nonstop9h 05mBritish Airways

Deal found 10/12£898

sam. 24/120:35UVF - LGW

Nonstop8h 15mBritish Airways

sam. 31/110:05LGW - UVF

Nonstop9h 05mBritish Airways

Deal found 10/12£919

dim. 1/220:35UVF - LGW

Nonstop8h 15mBritish Airways

dim. 15/210:05LGW - UVF

Nonstop9h 05mBritish Airways

Deal found 10/12£1,031

Last-minute flights from Saint Lucia to London
Discover last-minute flight deals from Saint Lucia to London. Data last updated 12 décembre 2025 and is based on user searches.

jeu. 18/1222:05UVF - LGW

Nonstop8h 15mBritish Airways

jeu. 25/1210:00LGW - UVF

Nonstop9h 05mBritish Airways

Deal found 11/12£852

jeu. 18/1216:54UVF - LGW

2 stops34h 36mAmerican Airlines

jeu. 25/1212:30LGW - UVF

2 stops28h 34mAmerican Airlines

Deal found 11/12£1,942

jeu. 18/1217:10UVF - LHR

2 stops36h 45mMultiple Airlines

jeu. 25/1206:35LHR - UVF

2 stops34h 24mMultiple Airlines

Deal found 11/12£3,100

mar. 23/1216:50UVF - LCY

2 stops19h 45mDelta

mer. 31/1208:40LCY - UVF

2 stops34h 50mDelta

Deal found 11/12£1,592

jeu. 1/115:20SLU - LHR

1 stop14h 15mMultiple Airlines

jeu. 8/113:20LHR - SLU

1 stop27h 50mMultiple Airlines

Deal found 10/12£1,233

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 12 décembre 2025.

mer. 21/117:21UVF - LHR

1 stop24h 19mJetBlue

Deal found 11/12£344

mer. 21/117:21UVF - LHR

2 stops34h 44mMultiple Airlines

Deal found 11/12£378

mer. 25/217:23UVF - LHR

2 stops34h 42mIcelandair

Deal found 10/12£380

mer. 25/217:23UVF - LCY

2 stops35h 12mIcelandair

Deal found 10/12£392

mer. 21/110:15SLU - LGW

3 stops43h 45mMultiple Airlines

Deal found 11/12£417

mer. 21/110:15SLU - LHR

3 stops41h 35mMultiple Airlines

Deal found 11/12£459

mer. 21/117:15UVF - LCY

3 stops35h 30mMultiple Airlines

Deal found 11/12£462

mar. 13/117:21UVF - LHR

2 stops38h 04mIcelandair

Deal found 10/12£497

dim. 25/120:35UVF - LGW

Nonstop8h 15mBritish Airways

Deal found 11/12£533

mar. 13/117:21UVF - LCY

2 stops37h 04mIcelandair

Deal found 10/12£549

mer. 25/220:35UVF - LGW

Nonstop8h 15mBritish Airways

Deal found 10/12£559

mer. 21/120:35UVF - LGW

Nonstop8h 15mBritish Airways

Deal found 11/12£574

Find flight deals from Saint Lucia to London

Round-trip from	£822
One-way from	£344
Good round-trip deal	£768 or less
Good one-way deal	£643 or less

Air Canada
15/4-20/4
3 total stops
65h 40m total
Saint Lucia to London

Search Deals

JetBlue
21/1
1 total stop
24h 19m total
Saint Lucia to London

Search Deals

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

Search Deals

Price to beat on a one-way flight from Saint Lucia to London (LON).

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

mer. 15/4

16:20-11:50

1 stop14h 30m

London Heathrow

lun. 20/4

17:10-15:20

2 stops51h 10m

£822

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

lun. 16/2

22:05-10:20

Nonstop8h 15m

London Gatwick

dim. 3/5

11:15-15:05

Nonstop8h 50m

£836

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

jeu. 1/1

22:05-10:20

Nonstop8h 15m

London Gatwick

jeu. 8/1

10:00-15:05

Nonstop9h 05m

£898

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

sam. 24/1

20:35-08:50

Nonstop8h 15m

London Gatwick

sam. 31/1

10:05-15:10

Nonstop9h 05m

£919

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

mer. 15/4

15:56-20:45

1 stop23h 49m

London Heathrow

lun. 20/4

08:15-14:33

1 stop35h 18m

£921

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

mer. 15/4

16:05-12:30

1 stop15h 25m

London Heathrow

lun. 20/4

15:00-13:15

1 stop27h 15m

£1,015

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

dim. 1/2

17:21-09:30

1 stop36h 09m

London Heathrow

dim. 15/2

12:00-16:25

2 stops32h 25m

£1,017

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

dim. 1/2

20:35-08:50

Nonstop8h 15m

London Gatwick

dim. 15/2

10:05-15:10

Nonstop9h 05m

£1,031

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

mer. 15/4

15:56-14:40

2 stops17h 44m

London Gatwick

lun. 20/4

15:40-14:33

2 stops27h 53m

£1,072

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

lun. 16/2

16:51-16:10

2 stops43h 19m

London Gatwick

dim. 3/5

11:15-15:05

Nonstop8h 50m

£1,076

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 37 results

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, September is the cheapest month in which you can book a flight from Saint Lucia to London (average of £422). Flying from Saint Lucia to London in November is currently the most expensive (average of £706). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Saint Lucia to London as you normally would.

Reviews of airlines servicing London

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

British Airways

6.7

Okay

7,571 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Amit,Nov 2025

BOM - LHR

Food and presentation were excellent. Staff was very courteous. On time boarding, on time flight. Comfortable seats (lie flats) and clear announcements and updates.

British Airways

6.7

Okay

7,571 reviews

British Airways

6.7

Okay

7,571 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Amit,Nov 2025

BOM - LHR

Food and presentation were excellent. Staff was very courteous. On time boarding, on time flight. Comfortable seats (lie flats) and clear announcements and updates.

Related info for your journey

How long is the flight from Saint Lucia to London?
There are many flights that can get you from Saint Lucia to London in 8h 15m. Fly via Air Canada, British Airways, or JetBlue to get the fastest option. The distance from Saint Lucia to London is about 4223 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Saint Lucia to London?
Most travelers choose Castries Hewanorra - London City, Castries Hewanorra - London Gatwick or Castries Hewanorra - 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, September is the cheapest month in which you can book a flight from Saint Lucia to London (average of £422). Flying from Saint Lucia to London in November is currently the most expensive (average of £706). 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

Milton Keynes

Croydon

Slough

Hounslow

Luton

Gatwick

Wembley

Ilford

Brentford

Colchester

Watford

Hayes

Crawley

Winchester

Deal

Bedford

Romford

Chichester

Guildford

Ipswich

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Saint Lucia to London

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£572	Average£696	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£642	Average£788	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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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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Cheap flights from Saint Lucia to London from £344

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Saint Lucia to London

Cheapest flights from Saint Lucia to LondonExplore 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 12 décembre 2025.

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 12 décembre 2025.

Find 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 12 décembre 2025.

Round-trip from

One-way from

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

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.

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?

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 12 décembre 2025.

Reviews of airlines servicing London

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

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.

How long is the flight from Saint Lucia to London?

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

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

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

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

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

Travelling to a place near London?

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

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Saint Lucia to London

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 Saint Lucia to London?

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

Can Cheapflights 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?

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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 12 décembre 2025.