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£342+ Cheap flights to Saint Lucia

— UVF
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Saint Lucia in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Saint Lucia

Fri 9/1011:15 -
Nonstop8h 50m
Mon 19/1022:05 -
Nonstop8h 20m
Deal found 6/9£487
Sat 12/911:15 -
Nonstop8h 45m
Sun 27/920:25 -
Nonstop8h 25m
Deal found 8/9£488
Tue 15/911:15 -
Nonstop8h 45m
Mon 21/922:00 -
Nonstop8h 25m
Deal found 10/9£489
Wed 18/1112:30 -
Nonstop9h 05m
Fri 27/1120:05 -
Nonstop8h 15m
Deal found 6/9£491
Mon 7/1212:15 -
Nonstop9h 05m
Mon 14/1219:05 -
Nonstop8h 15m
Deal found 6/9£503
Fri 4/1213:15 -
Nonstop9h 05m
Fri 18/1220:05 -
Nonstop8h 15m
Deal found 6/9£503

Find flight deals to Saint Lucia

Return from

£562

One-way from

£342

Good round-trip deal

£561 or less

Good one-way deal

£443 or less
29/10-11/11
  • 29/10-11/11
  • 2 total stops
  • 26h 15m total
  • London to Castries
Search Deals
10/10-31/12
  • 10/10-31/12
  • 1 total stop
  • 30h 00m total
  • London to Saint Lucia
Search Deals
Price to beat on a round-trip flight from London to Saint Lucia.
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Price to beat on a one-way flight from London to Saint Lucia.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Saint Lucia that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Sat 10/10

12:40-13:40

1 stop30h 00m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£353

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Wed 11/11

06:20-14:55

3 stops36h 35m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£357

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Tue 10/11

20:10-14:55

2 stops46h 45m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£391

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sat 10/10

08:15-15:34

1 stop36h 19m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£392

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Thu 3/12

10:10-14:55

3 stops56h 45m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£404

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Mon 2/11

08:35-14:55

2 stops34h 20m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£418

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Fri 9/10

13:20-13:40

3 stops53h 20m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£457

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Mon 14/12

12:15-17:20

Nonstop9h 05m

Castries Hewanorra

Mon 21/12

19:05-07:20

Nonstop8h 15m

£489

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 1/1

18:00-14:55

1 stop24h 55m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£517
Fastest return journey

LondonCastries

LGW London Gatwick - SLU Castries George F. L. Charle

LGWSLU

London Gatwick

Sun 15/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Wed 31/12

00:00-05:00

Nonstop0h 00m

£524

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to Saint Lucia

How long is the flight to Saint Lucia?

On average, a flight from London to Saint Lucia takes 18 hours 26 minutes. Flights to Saint Lucia from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Saint Lucia?

The most popular airlines flying from London to Saint Lucia are British Airways, American Airlines and Air Canada.

British Airways
British Airways
From £470
American Airlines
American Airlines
From £566
Air Canada
Air Canada
From £654
JetBlue
JetBlue
From £569

What are the cheapest airlines that fly to Saint Lucia?

The cheapest airlines flying from London to Saint Lucia are British Airways, American Airlines and Air Canada.

When is the best time to book a flight to Saint Lucia?

To ensure you get the cheapest price possible for a flight to Saint Lucia, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Saint Lucia

Get a feel of what it's like to fly with Finnair,American Airlines, andAir Canada to Saint Lucia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,430 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Boarding

7.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
Finnair
7.6
Good
1,430 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Boarding

7.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
American Airlines
7.1
Good
12,046 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Boarding

7.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
Air Canada
7.1
Good
11,611 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Boarding

7.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
JetBlue
7.1
Good
3,040 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Boarding

7.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
British Airways
6.7
Okay
8,210 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Food

6.7

Overall

7.6

Boarding

7.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.

FAQs about flying to Saint Lucia

Saint Lucia climate

The climate is tropical – and lovely – year round. Temperatures average 27 degrees and mild trade winds keep humidity to a comfortable level. December and January are the coolest months, while June through August are the hottest. The hurricane season runs from June to November. January to April is the dry season while the rainy season lasts from May to August.

What is good to know if travelling to Saint Lucia?

  • Don’t miss the drive-in volcano, Mount Soufriere. It is said to be the only drive-in volcano in the world.
  • Pigeon Island is a national park on a 40-acre islet linked by a causeway to the west coast of St Lucia. It has several military sites (barracks and garrisons) built by the British as they fought the French for control of St Lucia.
  • Bathe like a French soldier: when the French “owned” St Lucia, King Louis XVI had bathhouses built for his men at Diamond Falls. The mineral-rich falls were believed to have therapeutic properties. A dip under the falls is still popular. And the ever-changing colours – the water turns yellow, then black then green then grey – come from sulphuric deposits over many years.
  • The Pitons can be climbed in about two hours. Bathe in the nearby Sulphur Springs, a mineral-rich river. Afterwards, have a local beer of the same name.
  • La Tille waterfall, set in a ten-acre natural garden, is less well-known than Diamond Falls, but beautiful.
  • Leatherback turtles crawl onto the beach at Grande Anse in the north of the island to lay their eggs, between mid-March and the end of July.
  • Take a hike through the rainforest. The Barre de l’lsle Trail splits the island in two and takes about three hours to hike.

Saint Lucia airport overview

Hewanorra International Airport is the smaller of St Lucia’s two airports (the other is George F L Charles Airport) and handles approximately 500,000 passengers annually. It was originally a military facility and used to be known as Beane Army Airfield.

The airport is situated 3.7km (2.3 miles) north of Vieux Fort and 56km (34 miles) from Castries. As you’d expect in the Caribbean, staff members are friendly and helpful and passengers should have a good experience travelling through Hewanorra International Airport.

Once you’re ready to leave the airport, there are several ways of getting around St Lucia, including helicopter charters, yachts and ferries. Visitors are encouraged to try some of these alternative modes as they offer a unique glimpse into the Caribbean lifestyle.

  • When is the best time to fly to Saint Lucia?

    Peak Season:  The best time to visit is between November and May. The ARC – Atlantic Rally for Cruisers, a major yacht event in November and the Jazz Festival takes place on Pigeon Island in May. The carnival takes place in July.  Off Season:  Hurricane season is June through November

  • Can I find cheaper flights to Saint Lucia if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Saint Lucia on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Saint Lucia?

    Based on reviews from Cheapflights users, British Airways is rated the highest out of the airlines that fly to Saint Lucia.

  • What is the cheapest airport to fly to in Saint Lucia?

    Castries Hewanorra is currently the cheapest airport to fly to in Saint Lucia. One-way flights to Castries Hewanorra typically cost £351, while return flights cost around £122.

  • How much is a return flight to Saint Lucia?

    A return flight to Saint Lucia will typically cost around £372, however they can be found for as little as £364.

  • Where does the fastest flight to Saint Lucia depart from?

    For those looking to save time traveling to Saint Lucia, London offers the quickest one-way flight (8 hours 45 minutes).

  • Does Castries Hewanorra have car hire?

    Yes. Those touching down at Castries Hewanorra can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Castries Hewanorra?

    Yes. Castries Hewanorra has hotels nearby for those requiring accommodations. Charlery's Inn is the closest property to Castries Hewanorra (0.0 mi away from Castries Hewanorra).

See more FAQs

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