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Cheap flights from Saint Lucia to London from £377

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
UVF — LON
20 Jul — 27 Jul1
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 July 2025.

Round-trip from

£685

One-way from

£377

Good round-trip deal

£701 or less
British Airways
  • British Airways
  • 6/11-19/11
  • Nonstop
  • 17h 20m total
  • Saint Lucia to London
Search Deals
30/10
  • 30/10
  • 1 total stop
  • 15h 05m total
  • Saint Lucia to London
Search Deals
Price to beat on a round-trip 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 15 July 2025.

Thu 6/1122:05UVF - LGW
Nonstop8h 15mBritish Airways
Wed 19/1110:05LGW - UVF
Nonstop9h 05mBritish Airways
Deal found 14/7£685
Wed 30/715:32UVF - LGW
2 stops37h 03mIcelandair
Fri 12/912:10LGW - UVF
2 stops54h 50mIcelandair
Deal found 14/7£764
Wed 30/717:31UVF - LHR
2 stops31h 59mIcelandair
Fri 12/908:25LHR - UVF
2 stops33h 21mIcelandair
Deal found 14/7£796
Thu 28/814:35UVF - LGW
2 stops25h 50mMultiple Airlines
Thu 4/911:35LGW - UVF
3 stops31h 40mMultiple Airlines
Deal found 14/7£801
Thu 6/1118:20SLU - LHR
3 stops35h 50mMultiple Airlines
Wed 19/1110:00LHR - SLU
3 stops31h 10mMultiple Airlines
Deal found 14/7£833
Thu 6/1115:40UVF - LHR
2 stops41h 10mWestJet
Wed 19/1114:50LHR - UVF
2 stops28h 00mWestJet
Deal found 14/7£982
Thu 28/814:35UVF - LHR
2 stops23h 15mMultiple Airlines
Thu 4/917:40LHR - UVF
1 stop25h 35mMultiple Airlines
Deal found 14/7£1,043
Sun 30/1116:35UVF - LHR
1 stop15h 30mAmerican Airlines
Wed 17/1209:55LHR - UVF
1 stop32h 25mAmerican Airlines
Deal found 13/7£1,161
Sat 26/713:55SLU - LGW
3 stops40h 00mMultiple Airlines
Sat 30/813:05LGW - SLU
2 stops27h 40mMultiple Airlines
Deal found 13/7£1,214
Sun 30/1117:15UVF - LHR
2 stops23h 20mAir Canada
Wed 17/1214:50LHR - UVF
2 stops53h 35mAir Canada
Deal found 13/7£1,349
Fri 1/815:40UVF - LGW
2 stops37h 20mDelta
Sat 23/812:00LGW - UVF
2 stops31h 15mDelta
Deal found 14/7£1,400
Fri 15/815:35UVF - LHR
2 stops23h 25mDelta
Fri 29/816:50LHR - UVF
2 stops26h 25mDelta
Deal found 14/7£1,432

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 July 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

Thu 6/11

22:05-10:20

Nonstop8h 15m

London Gatwick

Wed 19/11

10:05-15:10

Nonstop9h 05m

£685

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Wed 30/7

15:32-09:35

2 stops37h 03m

London Gatwick

Fri 12/9

12:10-14:00

2 stops54h 50m

£764

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 30/7

17:31-06:30

2 stops31h 59m

London Heathrow

Fri 12/9

08:25-12:46

2 stops33h 21m

£796

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Thu 28/8

14:35-21:25

2 stops25h 50m

London Gatwick

Thu 4/9

11:35-14:15

3 stops31h 40m

£801

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Thu 6/11

18:20-10:10

3 stops35h 50m

London Heathrow

Wed 19/11

10:00-13:10

3 stops31h 10m

£833

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Thu 6/11

15:40-12:50

2 stops41h 10m

London Heathrow

Wed 19/11

14:50-14:50

2 stops28h 00m

£982

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Thu 28/8

14:35-18:50

2 stops23h 15m

London Heathrow

Thu 4/9

17:40-14:15

1 stop25h 35m

£1,043

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 30/11

16:35-12:05

1 stop15h 30m

London Heathrow

Wed 17/12

09:55-14:20

1 stop32h 25m

£1,161

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

Sat 26/7

13:55-10:55

3 stops40h 00m

London Gatwick

Sat 30/8

13:05-11:45

2 stops27h 40m

£1,214

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 30/11

17:15-20:35

2 stops23h 20m

London Heathrow

Wed 17/12

14:50-16:25

2 stops53h 35m

£1,349

Flights are sorted by cheapest return flights first.

Deals found on 13/7

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 July 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.

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 July 2025.
Read through reviews of airlines operating flights from Saint Lucia to London, such as Delta, United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
7,956 reviews
Delta
8.0
Very Good
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
8,861 reviews
Delta
8.0
Very Good
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
655 reviews
Delta
8.0
Very Good
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
2,908 reviews
Delta
8.0
Very Good
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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 WestJet, which is currently one of the cheapest options available, starting at £392. Icelandair flights start at £473 while deals on British Airways start at £526 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 London?

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

Browse thousands of different options on Cheapflights for your next trip

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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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£571Average£696FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£589Average£735FlexibilityNo 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?

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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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