Cheap flights from Saint Lucia to London from £323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Lucia to London departing on 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Recent return flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:21 - 08:05
UVF
-
LHR
34h 44m2 stops
Multiple Airlines Logo
12:10 - 15:53
LHR
-
UVF
31h 43m2 stops
£608Multiple Airlines
Fri, 30 Jan - Sun, 8 Feb
Multiple Airlines Logo
17:21 - 08:05
UVF
-
LHR
34h 44m2 stops
Multiple Airlines Logo
12:10 - 15:53
LHR
-
UVF
31h 43m2 stops
£620Multiple Airlines
Wed, 28 Jan - Thu, 5 Feb
JetBlue Logo
17:21 - 09:30
UVF
-
LHR
36h 09m1 stop
JetBlue Logo
08:05 - 15:53
LHR
-
UVF
35h 48m1 stop
£637JetBlue
Fri, 30 Jan - Sat, 7 Feb
JetBlue Logo
17:21 - 09:30
UVF
-
LHR
36h 09m1 stop
JetBlue Logo
12:20 - 15:53
LHR
-
UVF
31h 33m1 stop
£638JetBlue
Fri, 30 Jan - Sun, 8 Feb
Multiple Airlines Logo
17:21 - 08:05
UVF
-
LHR
34h 44m2 stops
Multiple Airlines Logo
12:10 - 16:01
LHR
-
UVF
31h 51m2 stops
£648Multiple Airlines
Wed, 4 Feb - Wed, 4 Mar
JetBlue Logo
17:21 - 09:30
UVF
-
LHR
36h 09m1 stop
JetBlue Logo
12:20 - 15:53
LHR
-
UVF
31h 33m1 stop
£671JetBlue
Wed, 28 Jan - Thu, 5 Feb
British Airways Logo
22:05 - 11:25
UVF
-
LGW
8h 20mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£700British Airways
Mon, 27 Apr - Sun, 10 May
British Airways Logo
20:50 - 10:10
UVF
-
LGW
8h 20mdirect
British Airways Logo
11:15 - 15:05
LGW
-
UVF
8h 50mdirect
£742British Airways
Fri, 1 May - Fri, 15 May
Delta Logo
16:25 - 16:35
UVF
-
LCY
20h 10m2 stops
Delta Logo
10:00 - 13:58
LCY
-
UVF
31h 58m2 stops
£1,544Delta
Thu, 26 Feb - Sat, 7 Mar
Delta Logo
16:25 - 16:35
UVF
-
LCY
20h 10m2 stops
Delta Logo
09:20 - 15:05
LCY
-
UVF
33h 45m2 stops
£1,579Delta
Thu, 29 Jan - Fri, 6 Feb

Air Canada flights from Saint Lucia to London

Our best Air Canada deals on Saint Lucia to London flight tickets
Air Canada
27 Apr
UVF16:20Castries Hewanorra
47h 40m
2 stops
LHR21:00London Heathrow
6 May
LHR17:15London Heathrow
49h 50m
2 stops
UVF14:05Castries Hewanorra
Air Canada
27 Apr
UVF16:20Castries Hewanorra
14h 30m
1 stop
LHR11:50London Heathrow
11 May
LHR17:40London Heathrow
25h 25m
1 stop
UVF14:05Castries Hewanorra
Air Canada
27 Apr
UVF16:20Castries Hewanorra
36h 15m
1 stop
LHR09:35London Heathrow
6 May
LHR13:50London Heathrow
53h 15m
2 stops
UVF14:05Castries Hewanorra

JetBlue flights from Saint Lucia to London

Our best JetBlue deals on Saint Lucia to London flight tickets
JetBlue
30 Jan
UVF17:21Castries Hewanorra
36h 09m
1 stop
LHR09:30London Heathrow
7 Feb
LHR08:05London Heathrow
35h 48m
1 stop
UVF15:53Castries Hewanorra
JetBlue
30 Jan
UVF17:21Castries Hewanorra
36h 09m
1 stop
LHR09:30London Heathrow
8 Feb
LHR12:20London Heathrow
31h 33m
1 stop
UVF15:53Castries Hewanorra
JetBlue
28 Jan
UVF17:21Castries Hewanorra
36h 09m
1 stop
LHR09:30London Heathrow
5 Feb
LHR12:20London Heathrow
31h 33m
1 stop
UVF15:53Castries Hewanorra

momondo 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, momondo users made 279,928 searches. Data last updated 7 January 2026.
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 - LHR

UVFLHR

Castries Hewanorra

Fri 30/1

17:21-08:05

2 stops34h 44m

London Heathrow

Sun 8/2

12:10-15:53

2 stops31h 43m

£608

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 28/1

17:21-08:05

2 stops34h 44m

London Heathrow

Thu 5/2

12:10-15:53

2 stops31h 43m

£620

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 30/1

17:21-09:30

1 stop36h 09m

London Heathrow

Sat 7/2

08:05-15:53

1 stop35h 48m

£637

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 30/1

17:21-09:30

1 stop36h 09m

London Heathrow

Sun 8/2

12:20-15:53

1 stop31h 33m

£638

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 4/2

17:21-08:05

2 stops34h 44m

London Heathrow

Wed 4/3

12:10-16:01

2 stops31h 51m

£648

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 28/1

17:21-09:30

1 stop36h 09m

London Heathrow

Thu 5/2

12:20-15:53

1 stop31h 33m

£670

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Mon 27/4

22:05-11:25

Nonstop8h 20m

London Gatwick

Sun 10/5

11:15-15:05

Nonstop8h 50m

£700

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Fri 1/5

20:50-10:10

Nonstop8h 20m

London Gatwick

Fri 15/5

11:15-15:05

Nonstop8h 50m

£742

CastriesLondon

UVF - LCY

UVFLCY

Castries Hewanorra

Thu 26/2

16:25-16:35

2 stops20h 10m

London City

Sat 7/3

10:00-13:58

2 stops31h 58m

£1,544

CastriesLondon

UVF - LCY

UVFLCY

Castries Hewanorra

Thu 29/1

16:25-16:35

2 stops20h 10m

London City

Fri 6/2

09:20-15:05

2 stops33h 45m

£1,579

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Saint Lucia to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest Saint Lucia to London flight route?

Fly from Castries Hewanorra to London Gatwick for the best Saint Lucia - London flight prices

What cabin class options are available on Saint Lucia to London flights?

There is only 1 cabin class available to choose from on Saint Lucia to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Saint Lucia to London flights?

No. A direct flight is the cheapest option for a flight between Saint Lucia to London.

Cheap Saint Lucia to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint Lucia to London

Best price found

£542

Fastest flight time

8h 15m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Saint Lucia in the past 72 hours is £542. The best return flight deal from Saint Lucia to London found on momondo in the last 72 hours is £743.
The fastest flight from Saint Lucia to London takes 8h 15m
Direct flights go from Saint Lucia to London every day.
There are 6 airports in London. From Saint Lucia there are direct flights to London Gatwick (LGW).
  • When did momondo last update prices for flights from Saint Lucia to London?

    Prices for flights from Saint Lucia to London are updated daily.

  • How many operators does momondo search for flights from Saint Lucia to London?

  • How old do you have to be to fly from Saint Lucia to London?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint Lucia to London.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Saint Lucia to London?

Best airlines flying from Saint Lucia to London

Compare and see reviews for airlines that fly from Saint Lucia to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £640Free CancellationRating
6.7
7,655 reviews
Search British Airways flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Dover
Worthing
Hounslow
Colchester
Bedford
Ramsgate
Folkestone

Why use momondo?

Why should I use momondo to find a flight deal from Saint Lucia to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Saint Lucia to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Saint Lucia to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Saint Lucia with this policy.

How can momondo help me find flights from Saint Lucia to London?

Once all potential Saint Lucia to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Saint Lucia to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Saint Lucia to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Fri 6/2
Fri 13/2

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London