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£333+ Cheap flights to Saint Lucia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
— UVF
22 Aug — 29 Aug1
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
Explore the most affordable flight options available to Saint Lucia. Find the lowest fares based on data from user searches, with prices last updated on 23 July 2026.

Wed 23/908:15
LHR
-
UVF
1 stop36h 19m
JetBlue
Wed 30/916:39
UVF
-
LHR
1 stop23h 06m
JetBlue
Deal found 23/7£582
Sun 30/811:15
LGW
-
UVF
Nonstop8h 45m
British Airways
Sun 13/920:25
UVF
-
LGW
Nonstop8h 25m
British Airways
Deal found 22/7£582
Mon 7/911:15
LGW
-
UVF
Nonstop8h 45m
British Airways
Sat 3/1020:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 22/7£583
Tue 8/908:15
LHR
-
UVF
1 stop36h 05m
JetBlue
Wed 16/916:25
UVF
-
LHR
1 stop23h 20m
JetBlue
Deal found 21/7£585
Sat 29/811:15
LGW
-
UVF
Nonstop8h 45m
British Airways
Sat 19/920:25
UVF
-
LGW
Nonstop8h 25m
British Airways
Deal found 21/7£586
Fri 30/1013:15
LGW
-
UVF
Nonstop9h 05m
British Airways
Sat 7/1119:20
UVF
-
LGW
Nonstop8h 15m
British Airways
Deal found 21/7£587

Find flight deals to Saint Lucia

Find the latest flights to Saint Lucia in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 23 July 2026.

Return from

£607

One-way from

£333

Good round-trip deal

£610 or less

Good one-way deal

£485 or less
5/11-12/11
  • 5/11-12/11
  • 2 total stops
  • 27h 35m total
  • London to Castries
Search Deals
18/9
  • 18/9
  • 3 total stops
  • 49h 00m total
  • London to Saint Lucia
Search Deals
Price to beat on a round-trip flight from London to Saint Lucia.
Search Deals
Price to beat on a one-way flight from London to Saint Lucia.
Search Deals

Cheapflights Fare Finder

 
Locate flights to Saint Lucia that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 23 July 2026.
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 - SLU

LGWSLU

London Gatwick

Mon 16/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Sun 29/11

15:45-09:05

1 stop13h 20m

£608

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sat 28/11

12:30-17:35

Nonstop9h 05m

Castries Hewanorra

Tue 1/12

19:20-07:35

Nonstop8h 15m

£612

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 5/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 12/11

15:45-10:25

1 stop14h 40m

£633

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Mon 9/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Mon 16/11

15:45-10:25

1 stop14h 40m

£633

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Wed 2/9

11:10-12:05

1 stop29h 55m

Castries George F. L. Charle

Tue 24/11

15:45-08:30

1 stop12h 45m

£646

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Mon 9/11

13:20-15:15

1 stop29h 55m

Castries George F. L. Charle

Fri 13/11

15:45-08:30

1 stop12h 45m

£647

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 12/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 26/11

15:45-10:25

1 stop14h 40m

£649

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 13/1

19:10-14:06

2 stops22h 56m

Castries Hewanorra

Sun 17/1

14:56-11:30

1 stop16h 34m

£691

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Wed 23/12

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 24/12

15:45-10:25

1 stop14h 40m

£693

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Mon 21/9

11:10-12:05

1 stop29h 55m

Castries George F. L. Charle

Mon 28/9

12:35-06:15

1 stop12h 40m

£716

Flights are sorted by cheapest return flights first.

Deals found on 23/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 59 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, KLM and Air Canada.

British Airways
British Airways
From £476
American Airlines
American Airlines
From £573
Air Canada
Air Canada
From £638
JetBlue
JetBlue
From £560

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 80 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 insights into the airlines that provide service to Saint Lucia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Lucia. Reviews last updated 23 July 2026.
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
1,423 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Food

6.7

Overall

7.6

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
1,423 reviews
Finnair
7.6
Good
1,423 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Food

6.7

Overall

7.6

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
11,835 reviews
Finnair
7.6
Good
1,423 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Food

6.7

Overall

7.6

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
11,377 reviews
Finnair
7.6
Good
1,423 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Food

6.7

Overall

7.6

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
3,020 reviews
Finnair
7.6
Good
1,423 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Food

6.7

Overall

7.6

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
8,129 reviews
Finnair
7.6
Good
1,423 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Comfort

7.4

Food

6.7

Overall

7.6

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 £141, while return flights cost around £124.

  • How much is a return flight to Saint Lucia?

    A return flight to Saint Lucia will typically cost around £376, however they can be found for as little as £368.

  • 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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Cheapflights does show flights with no change fees to all users. To see these options for flights to Saint Lucia, users can toggle the no change fees filter when performing a flight search.

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