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

On average, it takes 30h 09m 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 28h.

£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

30 Jan

LHR

13h 20m

1 stop

SLU

6 Feb

SLU

14h 10m

1 stop

LHR

£734

Find similar

Multiple Airlines

6 Feb

LHR

33h 35m

1 stop

SLU

15 Feb

SLU

14h 10m

1 stop

LHR

£747

Find similar

Multiple Airlines

25 Feb

LHR

29h 50m

1 stop

SLU

11 Mar

SLU

13h 15m

1 stop

LHR

£748

Find similar

Multiple Airlines

25 Feb

LHR

33h 35m

1 stop

SLU

11 Mar

SLU

13h 15m

1 stop

LHR

£750

Find similar

Multiple Airlines

30 Jan

LHR

27h 35m

2 stops

SLU

6 Feb

SLU

12h 50m

1 stop

LHR

£755

Find similar

Multiple Airlines

21 Jan

LHR

29h 50m

1 stop

SLU

4 Feb

SLU

12h 45m

1 stop

LHR

£757

Find similar

Multiple Airlines

21 Jan

LHR

29h 50m

1 stop

SLU

4 Feb

SLU

12h 45m

1 stop

LHR

£758

Find similar

Multiple Airlines

26 Feb

LHR

29h 55m

1 stop

SLU

26 Mar

SLU

13h 50m

1 stop

LHR

£770

Find similar

Multiple Airlines

5 Feb

LHR

29h 50m

1 stop

SLU

15 Feb

SLU

12h 45m

1 stop

LHR

£775

Find similar

Multiple Airlines

1 Mar

LHR

15h 00m

1 stop

SLU

26 Mar

SLU

13h 50m

1 stop

LHR

£777

Find similar

Multiple Airlines

7 Feb

LHR

28h 45m

1 stop

SLU

19 Feb

SLU

14h 10m

1 stop

LHR

£787

Find similar

Multiple Airlines

20 Feb

LHR

15h 00m

1 stop

SLU

20 Mar

SLU

12h 50m

1 stop

LHR

£793

Find similar

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 - 17:00

UVF

MAN

43h 45m2 stops

£654Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

12:45 - 16:25

EDI

UVF

31h 40m2 stops

17:15 - 12:20

UVF

EDI

39h 05m2 stops

£671Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

13:00 - 16:25

MAN

UVF

31h 25m2 stops

17:15 - 08:20

UVF

MAN

59h 05m2 stops

£671Multiple Airlines

Wed, 14 Jan - Wed, 21 Jan

13:25 - 16:25

BHX

UVF

31h 00m2 stops

17:15 - 12:35

UVF

BHX

39h 20m2 stops

£679Air Canada

Thu, 29 Jan - Thu, 5 Feb

11:10 - 16:20

LHR

UVF

33h 10m1 stop

17:15 - 06:30

UVF

LHR

33h 15m1 stop

£692Air Canada

Tue, 13 Jan - Wed, 28 Jan

11:15 - 15:05

LGW

UVF

8h 50mdirect

22:05 - 11:25

UVF

LGW

8h 20mdirect

£694British Airways

Mon, 11 May - Thu, 21 May

11:15 - 15:05

LGW

UVF

8h 50mdirect

22:05 - 11:25

UVF

LGW

8h 20mdirect

£695British Airways

Mon, 11 May - Thu, 21 May

07:25 - 15:15

LHR

UVF

35h 50m1 stop

16:51 - 20:45

UVF

LHR

23h 54m1 stop

£711JetBlue

Thu, 5 Feb - Thu, 12 Feb

10:00 - 15:05

LCY

UVF

57h 05m2 stops

16:25 - 19:35

UVF

LCY

23h 10m2 stops

£1,139KLM

Sat, 7 Feb - Thu, 19 Feb

20:05 - 15:05

LCY

UVF

47h 00m2 stops

16:25 - 08:50

UVF

LCY

36h 25m2 stops

£1,233KLM

Fri, 23 Jan - Sun, 8 Feb

Fly from

Route

Depart

Return

Price

ManchesterCastries

MAN - UVF

MANUVF

Manchester

Thu 29/1

06:00-16:25

2 stops38h 25m

Castries Hewanorra

Thu 5/2

17:15-17:00

2 stops43h 45m

£654

EdinburghCastries

EDI - UVF

EDIUVF

Edinburgh Turnhouse

Thu 29/1

12:45-16:25

2 stops31h 40m

Castries Hewanorra

Thu 5/2

17:15-12:20

2 stops39h 05m

£671

ManchesterCastries

MAN - UVF

MANUVF

Manchester

Wed 14/1

13:00-16:25

2 stops31h 25m

Castries Hewanorra

Wed 21/1

17:15-08:20

2 stops59h 05m

£671

BirminghamCastries

BHX - UVF

BHXUVF

Birmingham

Thu 29/1

13:25-16:25

2 stops31h 00m

Castries Hewanorra

Thu 5/2

17:15-12:35

2 stops39h 20m

£679

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 13/1

11:10-16:20

1 stop33h 10m

Castries Hewanorra

Wed 28/1

17:15-06:30

1 stop33h 15m

£692

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 11/5

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Thu 21/5

22:05-11:25

Nonstop8h 20m

£694

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 11/5

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Thu 21/5

22:05-11:25

Nonstop8h 20m

£695

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 5/2

07:25-15:15

1 stop35h 50m

Castries Hewanorra

Thu 12/2

16:51-20:45

1 stop23h 54m

£711

LondonCastries

LCY - UVF

LCYUVF

London City

Sat 7/2

10:00-15:05

2 stops57h 05m

Castries Hewanorra

Thu 19/2

16:25-19:35

2 stops23h 10m

£1,139

LondonCastries

LCY - UVF

LCYUVF

London City

Fri 23/1

20:05-15:05

2 stops47h 00m

Castries Hewanorra

Sun 8/2

16:25-08:50

2 stops36h 25m

£1,233

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:
£157 per person with Caribbean Airlines
£245 per person with interCaribbean Airways
£252 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

Find flights to Castries

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	£654
Fastest flight time	28h 18m

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

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The best round-trip flight price to Saint Lucia from United Kingdom in the last 72 hours is £654 (Manchester to Castries Hewanorra).

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The fastest flight to Saint Lucia from United Kingdom takes 28h 18m (London Gatwick to Castries Hewanorra).

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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 73% 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 £409 per ticket recently. However, the average price tends to be £991 and anything for £812 or less is a good deal. £2,070 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.