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

On average, it takes 27h 29m 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 29h 40m.

£368 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

19 Jan

LHR

11h 50m

1 stop

SLU

26 Jan

SLU

14h 10m

1 stop

LHR

£659

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Multiple Airlines

11 May

LHR

29h 00m

1 stop

SLU

25 May

SLU

15h 15m

1 stop

LHR

£678

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Multiple Airlines

20 Jan

LHR

26h 45m

1 stop

SLU

27 Jan

SLU

22h 05m

1 stop

LHR

£682

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Multiple Airlines

2 Dec

MAN

12h 30m

1 stop

SLU

21 Dec

SLU

11h 30m

1 stop

MAN

£711

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Multiple Airlines

23 Feb

LHR

11h 50m

1 stop

SLU

2 Mar

SLU

14h 10m

1 stop

LHR

£716

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Multiple Airlines

14 Mar

LHR

24h 55m

1 stop

SLU

27 Mar

SLU

11h 30m

1 stop

LHR

£719

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Multiple Airlines

25 Feb

LHR

15h 00m

1 stop

SLU

11 Mar

SLU

14h 10m

1 stop

LHR

£722

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Multiple Airlines

4 Feb

LHR

29h 50m

1 stop

SLU

11 Feb

SLU

13h 15m

1 stop

LHR

£730

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Multiple Airlines

15 Jan

LHR

27h 50m

1 stop

SLU

23 Jan

SLU

16h 00m

1 stop

LHR

£731

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Multiple Airlines

21 Jan

LHR

29h 50m

1 stop

SLU

4 Feb

SLU

12h 45m

1 stop

LHR

£745

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Multiple Airlines

25 Feb

LHR

12h 25m

1 stop

SLU

11 Mar

SLU

12h 45m

1 stop

LHR

£745

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Multiple Airlines

21 Jan

LHR

33h 35m

1 stop

SLU

4 Feb

SLU

12h 45m

1 stop

LHR

£747

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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.

11:10 - 16:25LHR-UVF

33h 15m1 stop

17:15 - 11:20UVF-LHR

14h 05m1 stop

£611Air Canada

Find Deal

Do, 4 Dez - Mi, 10 Dez

09:20 - 14:34LHR-UVF

57h 14m2 stops

15:54 - 04:55UVF-LHR

33h 01m2 stops

£617Icelandair

Find Deal

Mo, 16 Mrz - Fr, 27 Mrz

11:15 - 15:05LGW-UVF

8h 50mdirect

20:30 - 09:50UVF-LGW

8h 20mdirect

£619British Airways

Find Deal

Sa, 18 Apr - Sa, 2 Mai

12:20 - 15:15LHR-UVF

30h 55m1 stop

16:40 - 21:40UVF-LHR

25h 00m1 stop

£620JetBlue

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Di, 3 Feb - Mi, 11 Feb

07:45 - 15:15LHR-UVF

35h 30m1 stop

16:40 - 21:40UVF-LHR

25h 00m1 stop

£623JetBlue

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So, 8 Feb - Mi, 11 Feb

12:20 - 15:15LHR-UVF

30h 55m1 stop

16:40 - 22:00UVF-LHR

25h 20m1 stop

£625JetBlue

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Do, 29 Jan - Fr, 6 Feb

10:00 - 15:05LGW-UVF

9h 05mdirect

22:05 - 10:20UVF-LGW

8h 15mdirect

£647British Airways

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Do, 1 Jan - Do, 26 Mrz

08:55 - 16:02MAN-UVF

35h 07m2 stops

15:50 - 18:45UVF-MAN

22h 55m2 stops

£791American Airlines

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Mi, 4 Mrz - Mi, 11 Mrz

07:45 - 13:46MAN-UVF

34h 01m2 stops

16:06 - 16:30UVF-MAN

20h 24m2 stops

£891American Airlines

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Do, 8 Jan - Do, 22 Jan

09:15 - 14:04BHX-UVF

33h 49m2 stops

15:24 - 19:45UVF-BHX

47h 21m2 stops

£2,021KLM

Find Deal

Fr, 3 Apr - Sa, 11 Apr

Fly from

Route

Depart

Return

Price

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Do 4/12

11:10-16:25

1 stop33h 15m

Castries Hewanorra

Mi 10/12

17:15-11:20

1 stop14h 05m

£611

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mo 16/3

09:20-14:34

2 stops57h 14m

Castries Hewanorra

Fr 27/3

15:54-04:55

2 stops33h 01m

£617

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sa 18/4

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Sa 2/5

20:30-09:50

Nonstop8h 20m

£619

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Di 3/2

12:20-15:15

1 stop30h 55m

Castries Hewanorra

Mi 11/2

16:40-21:40

1 stop25h 00m

£620

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

So 8/2

07:45-15:15

1 stop35h 30m

Castries Hewanorra

Mi 11/2

16:40-21:40

1 stop25h 00m

£623

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Do 29/1

12:20-15:15

1 stop30h 55m

Castries Hewanorra

Fr 6/2

16:40-22:00

1 stop25h 20m

£625

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Do 1/1

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Do 26/3

22:05-10:20

Nonstop8h 15m

£647

ManchesterCastries

MAN - UVF

MANUVF

Manchester

Mi 4/3

08:55-16:02

2 stops35h 07m

Castries Hewanorra

Mi 11/3

15:50-18:45

2 stops22h 55m

£791

ManchesterCastries

MAN - UVF

MANUVF

Manchester

Do 8/1

07:45-13:46

2 stops34h 01m

Castries Hewanorra

Do 22/1

16:06-16:30

2 stops20h 24m

£891

BirminghamCastries

BHX - UVF

BHXUVF

Birmingham

Fr 3/4

09:15-14:04

2 stops33h 49m

Castries Hewanorra

Sa 11/4

15:24-19:45

2 stops47h 21m

£2,021

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:
£160 per person with Caribbean Airlines
£222 per person with JetBlue
£225 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	£368
Best Round-Trip Price	£606
Fastest flight time	8h 50m

The best one-way flight price to Saint Lucia from United Kingdom in the last 72 hours is £368 (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 £606 (London Gatwick to Castries Hewanorra).

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The fastest flight to Saint Lucia from United Kingdom takes 8h 50m (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 71% 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, 74% 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 £399 per ticket recently. However, the average price tends to be £1,512 and anything for £1,251 or less is a good deal. £6,985 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 November 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.