How long is the flight from United Kingdom to Saint Lucia?

On average, it takes 27h 26m to fly from United Kingdom to Saint Lucia if you fly out of London Heathrow (the most popular airport in United Kingdom) and into Castries Hewanorra (the most popular airport in Saint Lucia). If you’re flying out of Manchester and into Castries Hewanorra, then the flight time is around 27h 24m.

£356 Cheap Flights to Saint Lucia in 2025/26

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Recent flights found to popular cities in Saint Lucia

Find flights to these popular cities in Saint Lucia from your nearest airport.

Flights to Castries

Search all flight deals to Castries

Multiple Airlines

13 Apr

LHR

11h 55m

1 stop

SLU

27 Apr

SLU

15h 15m

1 stop

LHR

£702

Find similar

Multiple Airlines

7 Mar

LHR

28h 00m

2 stops

SLU

12 Mar

SLU

14h 10m

1 stop

LHR

£707

Find similar

Multiple Airlines

19 Jan

LHR

11h 50m

1 stop

SLU

24 Jan

SLU

14h 10m

1 stop

LHR

£711

Find similar

Multiple Airlines

14 Apr

MAN

13h 00m

1 stop

SLU

24 Apr

SLU

13h 40m

1 stop

MAN

£730

Find similar

Multiple Airlines

14 Apr

MAN

26h 25m

2 stops

SLU

24 Apr

SLU

20h 35m

2 stops

MAN

£734

Find similar

Multiple Airlines

7 Mar

LHR

28h 45m

1 stop

SLU

12 Mar

SLU

14h 10m

1 stop

LHR

£737

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Multiple Airlines

14 Apr

MAN

13h 00m

1 stop

SLU

24 Apr

SLU

23h 45m

2 stops

MAN

£745

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Multiple Airlines

20 Jan

LHR

29h 55m

1 stop

SLU

3 Feb

SLU

13h 50m

1 stop

LHR

£750

Find similar

Multiple Airlines

5 Mar

LHR

29h 50m

1 stop

SLU

10 Mar

SLU

13h 15m

1 stop

LHR

£759

Find similar

Multiple Airlines

2 Feb

LHR

11h 50m

1 stop

SLU

2 Mar

SLU

14h 10m

1 stop

LHR

£760

Find similar

Multiple Airlines

14 Jan

LHR

13h 20m

1 stop

SLU

21 Jan

SLU

12h 50m

1 stop

LHR

£788

Find similar

Multiple Airlines

8 Feb

LHR

32h 05m

1 stop

SLU

15 Feb

SLU

14h 10m

1 stop

LHR

£798

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Find the cheapest flights from the United Kingdom to Saint Lucia

Round-trip

One-way

Last minute

Direct

Recent return flight deals from the United Kingdom to Saint Lucia

Enter your travel dates to find the best prices.

06:00 - 16:25

MAN

UVF

38h 25m2 stops

17:15 - 08:20

UVF

MAN

59h 05m2 stops

£672Multiple Airlines

Wed, 21 Jan - Wed, 28 Jan

07:25 - 15:43

LHR

UVF

36h 18m1 stop

17:21 - 20:45

UVF

LHR

23h 24m1 stop

£687JetBlue

Tue, 27 Jan - Thu, 29 Jan

12:30 - 14:50

LGW

UVF

30h 20m2 stops

17:00 - 07:30

UVF

LGW

58h 30m2 stops

£689American Airlines

Sun, 15 Feb - Mon, 23 Feb

18:00 - 16:25

LHR

UVF

26h 25m1 stop

17:15 - 08:30

UVF

LHR

35h 15m1 stop

£693Air Canada

Sun, 11 Jan - Mon, 26 Jan

13:00 - 16:20

LHR

UVF

31h 20m1 stop

17:15 - 11:20

UVF

LHR

14h 05m1 stop

£694Air Canada

Tue, 13 Jan - Fri, 23 Jan

11:20 - 13:46

LGW

UVF

30h 26m2 stops

17:02 - 07:30

UVF

LGW

34h 28m2 stops

£694American Airlines

Wed, 21 Jan - Wed, 28 Jan

10:00 - 15:05

LGW

UVF

9h 05mdirect

22:05 - 10:20

UVF

LGW

8h 15mdirect

£699British Airways

Thu, 22 Jan - Thu, 29 Jan

10:00 - 15:05

LGW

UVF

9h 05mdirect

22:05 - 10:20

UVF

LGW

8h 15mdirect

£700British Airways

Thu, 22 Jan - Thu, 29 Jan

07:45 - 15:05

LCY

UVF

35h 20m2 stops

16:25 - 09:30

UVF

LCY

37h 05m2 stops

£1,256KLM

Thu, 22 Jan - Thu, 29 Jan

09:20 - 15:05

LCY

UVF

33h 45m2 stops

16:25 - 19:35

UVF

LCY

23h 10m2 stops

£1,260KLM

Mon, 2 Feb - Mon, 2 Mar

Fly from

Route

Depart

Return

Price

ManchesterCastries

MAN - UVF

MANUVF

Manchester

Wed 21/1

06:00-16:25

2 stops38h 25m

Castries Hewanorra

Wed 28/1

17:15-08:20

2 stops59h 05m

£672

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 27/1

07:25-15:43

1 stop36h 18m

Castries Hewanorra

Thu 29/1

17:21-20:45

1 stop23h 24m

£687

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sun 15/2

12:30-14:50

2 stops30h 20m

Castries Hewanorra

Mon 23/2

17:00-07:30

2 stops58h 30m

£689

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sun 11/1

18:00-16:25

1 stop26h 25m

Castries Hewanorra

Mon 26/1

17:15-08:30

1 stop35h 15m

£693

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 13/1

13:00-16:20

1 stop31h 20m

Castries Hewanorra

Fri 23/1

17:15-11:20

1 stop14h 05m

£694

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 21/1

11:20-13:46

2 stops30h 26m

Castries Hewanorra

Wed 28/1

17:02-07:30

2 stops34h 28m

£694

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 22/1

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Thu 29/1

22:05-10:20

Nonstop8h 15m

£699

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 22/1

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Thu 29/1

22:05-10:20

Nonstop8h 15m

£700

LondonCastries

LCY - UVF

LCYUVF

London City

Thu 22/1

07:45-15:05

2 stops35h 20m

Castries Hewanorra

Thu 29/1

16:25-09:30

2 stops37h 05m

£1,256

LondonCastries

LCY - UVF

LCYUVF

London City

Mon 2/2

09:20-15:05

2 stops33h 45m

Castries Hewanorra

Mon 2/3

16:25-19:35

2 stops23h 10m

£1,260

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Saint Lucia flights insights and trends

Explore insights for your Saint Lucia flight to craft the best travel plan

Prices

Airlines

Other information

What is the cheapest flight to Saint Lucia?

The best prices found on momondo for flights to Saint Lucia are:
£158 per person with Caribbean Airlines
£246 per person with interCaribbean Airways
£253 per person with JetBlue

See prices from:

Cheapest flights to cities in Saint Lucia

Click on the cities below to find out when it's cheapest to fly to Saint Lucia from United Kingdom

Castries

Cheapest flights according to searches in the past 7 days on momondo.

Castries

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Cheap Saint Lucia flight deals and tips

Summary info about Saint Lucia flight prices, duration and airlines

Best One-Way Price	£356
Best Round-Trip Price	£672
Fastest flight time	24h 35m

The best one-way flight price to Saint Lucia from United Kingdom in the last 72 hours is £356 (London Gatwick to Castries Hewanorra).

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The best round-trip flight price to Saint Lucia from United Kingdom in the last 72 hours is £672 (Manchester to Castries Hewanorra).

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The fastest flight to Saint Lucia from United Kingdom takes 24h 35m (London Heathrow to Castries George F. L. Charle).

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Frequently asked questions about flying to Saint Lucia

Which airlines fly to Saint Lucia?

British Airways, TUI Airways and Finnair are the top three most popular airlines that fly to Saint Lucia according to our data. British Airways is the first choice among our users, with 72% of people opting to fly with this airline when travelling to Saint Lucia. Keep in mind that there are 9 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.

What is the most popular airport in Saint Lucia to fly to?

The most popular airport in Saint Lucia to fly to is Castries Hewanorra, based on our data. In the past 12 months, 76% of all momondo users who travelled to Saint Lucia chose to fly into Castries Hewanorra airport, which is located in the city of Castries.

How much are flights to Saint Lucia?

Flights to Saint Lucia have been found on momondo for as low as £396 per ticket recently. However, the average price tends to be £1,450 and anything for £1,183 or less is a good deal. £6,897 is the most expensive flight we’ve seen in the past week, though you may be able to avoid this price depending on what airport you fly from, what airline you choose, and how far in advance you book your flights.

What is the best day of the week to fly to Saint Lucia?

If your travel plans are flexible and you’re looking to save money on flights to Saint Lucia, then be sure to book your departure on a Tuesday. Flying out on a Tuesday, as well as a Monday, is your best option. Departing on a Saturday tends to be the most expensive day of the week to fly to Saint Lucia.

When did momondo last update prices for flights to Saint Lucia?

Prices for flights to Saint Lucia are updated daily.

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

There are 11 operators available for flights to Saint Lucia as of December 2025.

How old do you have to be to fly to Saint Lucia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Saint Lucia.

What documentation or ID do you need to fly to Saint Lucia?

The required travel and health documents for your Saint Lucia 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 Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find flights to Saint Lucia on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Lucia that suits you.

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

Yes. All flights to Saint Lucia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Saint Lucia?

momondo helps you find the best flight to Saint Lucia by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.