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Cheap flights from Saint Lucia to London from £392

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 26/6. Fares are subject to change and may not be available on all flights or dates of travel.
UVF — LON
18 6월 — 25 6월1
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 13 6월 2025.

Round-trip from

£693

One-way from

£392

Good round-trip deal

£754 or less

Good one-way deal

£390 or less
British Airways
  • British Airways
  • 5/9-11/9
  • Nonstop
  • 17h 10m total
  • Saint Lucia to London
Search Deals
26/6
  • 26/6
  • 1 total stop
  • 15h 10m 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

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 13 6월 2025.

금 5/920:45UVF - LGW
Nonstop8h 20mBritish Airways
목 11/911:15LGW - UVF
Nonstop8h 50mBritish Airways
Deal found 12/6£693
금 5/915:10UVF - LHR
1 stop15h 40mAir Canada
목 11/917:40LHR - UVF
1 stop25h 35mAir Canada
Deal found 12/6£713
금 5/916:00UVF - LGW
2 stops56h 00mMultiple Airlines
목 11/911:15LGW - UVF
Nonstop8h 50mMultiple Airlines
Deal found 12/6£831
목 26/617:40UVF - LGW
2 stops34h 55mIcelandair
화 29/712:10LGW - UVF
2 stops33h 01mIcelandair
Deal found 12/6£1,098
일 30/1116:35UVF - LHR
1 stop14h 55mAmerican Airlines
수 17/1219:05LHR - UVF
2 stops23h 40mAmerican Airlines
Deal found 11/6£1,119
목 26/618:20SLU - LGW
2 stops34h 40mMultiple Airlines
목 3/710:00LGW - SLU
2 stops30h 30mMultiple Airlines
Deal found 12/6£1,202
금 25/715:40UVF - LHR
1 stop16h 50mAlaska Airlines
금 1/816:50LHR - UVF
2 stops26h 28mAlaska Airlines
Deal found 9/6£1,208
목 12/609:10SLU - LHR
2 stops21h 40mMultiple Airlines
수 18/612:40LHR - SLU
3 stops35h 20mMultiple Airlines
Deal found 10/6£1,216
일 30/1115:05UVF - LGW
2 stops36h 25mAmerican Airlines
수 17/1212:30LGW - UVF
2 stops28h 35mAmerican Airlines
Deal found 12/6£1,239
일 20/716:00UVF - LHR
2 stops38h 50mMultiple Airlines
일 27/716:40LHR - UVF
2 stops50h 35mMultiple Airlines
Deal found 10/6£1,339
금 25/715:00UVF - LHR
1 stop14h 35mFinnair
금 1/814:40LHR - UVF
2 stops28h 40mFinnair
Deal found 10/6£1,404
금 25/715:20UVF - LHR
1 stop16h 10mBritish Airways
금 1/811:00LHR - UVF
1 stop32h 20mBritish Airways
Deal found 10/6£1,406

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 13 6월 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

금 5/9

20:45-10:05

Nonstop8h 20m

London Gatwick

목 11/9

11:15-15:05

Nonstop8h 50m

£693

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

금 5/9

15:10-11:50

1 stop15h 40m

London Heathrow

목 11/9

17:40-14:15

1 stop25h 35m

£713

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

금 5/9

16:00-05:00

2 stops56h 00m

London Gatwick

목 11/9

11:15-15:05

Nonstop8h 50m

£831

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

목 26/6

17:40-09:35

2 stops34h 55m

London Gatwick

화 29/7

12:10-16:11

2 stops33h 01m

£1,098

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

일 30/11

16:35-11:30

1 stop14h 55m

London Heathrow

수 17/12

19:05-14:45

2 stops23h 40m

£1,119

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

목 26/6

18:20-10:00

2 stops34h 40m

London Gatwick

목 3/7

10:00-11:30

2 stops30h 30m

£1,202

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

금 25/7

15:40-13:30

1 stop16h 50m

London Heathrow

금 1/8

16:50-14:18

2 stops26h 28m

£1,208

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

목 26/6

09:10-05:55

1 stop15h 45m

London Heathrow

목 3/7

11:00-19:00

1 stop13h 00m

£1,229

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

일 30/11

15:05-07:30

2 stops36h 25m

London Gatwick

수 17/12

12:30-13:05

2 stops28h 35m

£1,239

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

일 20/7

16:00-11:50

2 stops38h 50m

London Heathrow

일 27/7

16:40-14:15

2 stops50h 35m

£1,339

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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 13 6월 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 11% 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 13 6월 2025.
Read through reviews of airlines operating flights from Saint Lucia to London, such as Alaska Airlines, Delta and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Cynthia,Nov 2024

RNO - SEA

How do online staff who book reservations get a passenger’s birthdate wrong
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Cynthia,Nov 2024

RNO - SEA

How do online staff who book reservations get a passenger’s birthdate wrong
Delta
8.0
Very Good
7,950 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Cynthia,Nov 2024

RNO - SEA

How do online staff who book reservations get a passenger’s birthdate wrong
Finnair
7.6
Good
1,290 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Cynthia,Nov 2024

RNO - SEA

How do online staff who book reservations get a passenger’s birthdate wrong
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Cynthia,Nov 2024

RNO - SEA

How do online staff who book reservations get a passenger’s birthdate wrong
Virgin Atlantic
7.4
Good
652 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Cynthia,Nov 2024

RNO - SEA

How do online staff who book reservations get a passenger’s birthdate wrong

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 JetBlue, which is currently one of the cheapest options available, starting at £503. Air Canada flights start at £524 while deals on British Airways start at £554 one-way.

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

    Most travelers choose Castries Hewanorra - London Gatwick, Castries George F. L. Charle - London Gatwick or Castries Hewanorra - London City 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
Deal
Hounslow
Croydon
Milton Keynes
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Dartford
Guildford

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.
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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 13 6월 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£566Average£690FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£586Average£726FlexibilityNo cancel feeOn-time70%
Search British Airways 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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