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

On average, it takes 27h 03m 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 24h 35m.

£412 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

11 Mar

LHR

12h 25m

1 stop

SLU

18 Mar

SLU

13h 15m

1 stop

LHR

£718

Find similar

Multiple Airlines

12 Mar

LHR

27h 50m

1 stop

SLU

20 Mar

SLU

16h 00m

1 stop

LHR

£739

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Multiple Airlines

3 Feb

LHR

29h 50m

1 stop

SLU

17 Feb

SLU

12h 45m

1 stop

LHR

£744

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Multiple Airlines

24 Jan

LHR

24h 55m

1 stop

SLU

1 Feb

SLU

17h 45m

1 stop

LHR

£763

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Multiple Airlines

23 Jan

LHR

26h 40m

1 stop

SLU

2 Feb

SLU

13h 15m

1 stop

LHR

£766

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Multiple Airlines

18 Jan

LHR

33h 40m

1 stop

SLU

30 Jan

SLU

12h 45m

1 stop

LHR

£767

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Multiple Airlines

23 Feb

LHR

11h 50m

1 stop

SLU

5 Mar

SLU

14h 35m

1 stop

LHR

£769

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Multiple Airlines

22 Nov

LHR

31h 25m

1 stop

SLU

30 Nov

SLU

13h 15m

1 stop

LHR

£778

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Multiple Airlines

9 Dec

LHR

12h 25m

1 stop

SLU

22 Jan

SLU

12h 45m

1 stop

LHR

£782

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Multiple Airlines

18 Jan

LHR

33h 40m

1 stop

SLU

24 Jan

SLU

12h 45m

1 stop

LHR

£786

Find similar

Multiple Airlines

9 Feb

LHR

29h 55m

1 stop

SLU

17 Feb

SLU

12h 45m

1 stop

LHR

£789

Find similar

Multiple Airlines

13 Nov

LHR

33h 10m

1 stop

SLU

11 Dec

SLU

14h 15m

1 stop

LHR

£797

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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.

10:05 - 15:10LGW-UVF

9h 05mdirect

20:35 - 08:50UVF-LGW

8h 15mdirect

£571British Airways

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Wed, 11 Mar - Wed, 18 Mar

09:20 - 15:15LHR-UVF

57h 55m2 stops

16:40 - 06:55UVF-LHR

34h 15m2 stops

£574Icelandair

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Wed, 21 Jan - Wed, 28 Jan

07:25 - 15:41LHR-UVF

36h 16m1 stop

16:57 - 20:45UVF-LHR

23h 48m1 stop

£602JetBlue

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Wed, 19 Nov - Thu, 4 Dec

07:45 - 15:15LHR-UVF

35h 30m1 stop

16:50 - 22:00UVF-LHR

25h 10m1 stop

£620JetBlue

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Sun, 18 Jan - Fri, 30 Jan

09:00 - 16:25LHR-UVF

35h 25m2 stops

17:15 - 06:30UVF-LHR

33h 15m1 stop

£654Air Canada

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Sat, 17 Jan - Sun, 25 Jan

11:10 - 16:25LHR-UVF

33h 15m1 stop

17:15 - 11:20UVF-LHR

14h 05m1 stop

£669Air Canada

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Sat, 17 Jan - Sun, 25 Jan

12:30 - 13:47LGW-UVF

29h 17m2 stops

16:45 - 07:30UVF-LGW

34h 45m2 stops

£691American Airlines

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Sat, 31 Jan - Sun, 15 Feb

11:20 - 15:53LGW-UVF

32h 33m2 stops

16:53 - 07:30UVF-LGW

34h 37m2 stops

£691American Airlines

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Fri, 5 Dec - Fri, 12 Dec

08:40 - 15:04LCY-UVF

34h 24m2 stops

16:24 - 16:35UVF-LCY

20h 11m2 stops

£1,186KLM

Find Deal

Fri, 23 Jan - Mon, 2 Feb

10:00 - 15:04LCY-UVF

33h 04m2 stops

16:24 - 17:20UVF-LCY

44h 56m2 stops

£1,226KLM

Find Deal

Sat, 17 Jan - Sat, 24 Jan

Fly from

Route

Depart

Return

Price

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 11/3

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Wed 18/3

20:35-08:50

Nonstop8h 15m

£571

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 21/1

09:20-15:15

2 stops57h 55m

Castries Hewanorra

Wed 28/1

16:40-06:55

2 stops34h 15m

£574

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 19/11

07:25-15:41

1 stop36h 16m

Castries Hewanorra

Thu 4/12

16:57-20:45

1 stop23h 48m

£602

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sun 18/1

07:45-15:15

1 stop35h 30m

Castries Hewanorra

Fri 30/1

16:50-22:00

1 stop25h 10m

£620

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sat 17/1

09:00-16:25

2 stops35h 25m

Castries Hewanorra

Sun 25/1

17:15-06:30

1 stop33h 15m

£654

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sat 17/1

11:10-16:25

1 stop33h 15m

Castries Hewanorra

Sun 25/1

17:15-11:20

1 stop14h 05m

£669

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sat 31/1

12:30-13:47

2 stops29h 17m

Castries Hewanorra

Sun 15/2

16:45-07:30

2 stops34h 45m

£691

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Fri 5/12

11:20-15:53

2 stops32h 33m

Castries Hewanorra

Fri 12/12

16:53-07:30

2 stops34h 37m

£691

LondonCastries

LCY - UVF

LCYUVF

London City

Fri 23/1

08:40-15:04

2 stops34h 24m

Castries Hewanorra

Mon 2/2

16:24-16:35

2 stops20h 11m

£1,186

LondonCastries

LCY - UVF

LCYUVF

London City

Sat 17/1

10:00-15:04

2 stops33h 04m

Castries Hewanorra

Sat 24/1

16:24-17:20

2 stops44h 56m

£1,226

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
£219 per person with JetBlue
£246 per person with interCaribbean Airways

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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	£412
Best Round-Trip Price	£571
Fastest flight time	9h 05m

The best one-way flight price to Saint Lucia from United Kingdom in the last 72 hours is £412 (London Heathrow 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 £571 (London Gatwick to Castries Hewanorra).

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The fastest flight to Saint Lucia from United Kingdom takes 9h 05m (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 Virgin Atlantic 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 70% 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, 75% 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 £486 per ticket recently. However, the average price tends to be £1,467 and anything for £1,266 or less is a good deal. £6,892 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 October 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.