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£267+ 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 31/7. Fares are subject to change and may not be available on all flights or dates of travel.
— UVF
8 Jul — 15 Jul1
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 8 June 2026.

Tue 7/711:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Mon 20/722:05
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 4/6£612
Fri 20/1113:15
LGW
-
UVF
Nonstop9h 05m
British Airways
Fri 4/1220:05
UVF
-
LGW
Nonstop8h 15m
British Airways
Deal found 4/6£613
Wed 9/1212:30
LGW
-
UVF
Nonstop9h 05m
British Airways
Wed 20/119:20
UVF
-
LGW
Nonstop8h 15m
British Airways
Deal found 4/6£615
Sun 28/611:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Fri 10/720:50
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 5/6£617
Sat 13/611:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Sat 20/620:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 6/6£618
Fri 3/711:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Fri 10/720:50
UVF
-
LGW
Nonstop8h 20m
British Airways
Deal found 8/6£619

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 8 June 2026.

Return from

£717

One-way from

£258

Popular in

August

Cheapest in

November

Average price

£651

Good round-trip deal

£617 or less

Good one-way deal

£493 or less
16/9-30/9
  • 16/9-30/9
  • 2 total stops
  • 25h 30m total
  • London to Castries
Search Deals
28/8
  • 28/8
  • 2 total stops
  • 44h 40m total
  • London to Saint Lucia
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£220 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£70 potential savings vs. average return price).
Search Deals
Average for return flights in June 2026
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 8 June 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

LHR - UVF

LHRUVF

London Heathrow

Sun 22/11

15:50-15:10

1 stop27h 20m

Castries Hewanorra

Wed 2/12

16:25-11:40

1 stop15h 15m

£740

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 31/8

13:25-14:14

1 stop29h 49m

Castries Hewanorra

Thu 10/9

15:33-06:25

1 stop33h 52m

£741
Fastest return journey

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sat 1/8

11:15-15:00

Nonstop8h 45m

Castries Hewanorra

Fri 7/8

20:45-10:10

Nonstop8h 25m

£764

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 17/8

11:15-15:00

Nonstop8h 45m

Castries Hewanorra

Mon 24/8

22:00-11:25

Nonstop8h 25m

£768

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 5/10

15:15-14:26

1 stop28h 11m

Castries Hewanorra

Mon 12/10

15:41-13:15

1 stop16h 34m

£771

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Fri 20/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Fri 4/12

15:45-09:20

1 stop13h 35m

£810

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sat 21/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Wed 2/12

15:45-09:05

1 stop13h 20m

£862

LondonCastries

LCY - UVF

LCYUVF

London City

Tue 1/9

09:20-14:14

2 stops33h 54m

Castries Hewanorra

Tue 15/9

15:33-16:40

2 stops20h 07m

£868

LondonCastries

LCY - UVF

LCYUVF

London City

Mon 9/11

09:20-15:10

2 stops33h 50m

Castries Hewanorra

Thu 19/11

16:25-16:35

2 stops20h 10m

£874

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 2/11

09:40-15:26

2 stops33h 46m

Castries Hewanorra

Mon 16/11

16:25-20:00

2 stops23h 35m

£893

Flights are sorted by cheapest return flights first.

Deals found on 3/6

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 17 hours 58 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, Air Canada and KLM.

British Airways
British Airways
From £504
Air Canada
Air Canada
From £600
JetBlue
JetBlue
From £469
Finnair
Finnair
From £697

What are the cheapest airlines that fly to Saint Lucia?

The cheapest airlines flying from London to Saint Lucia are British Airways, JetBlue 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 8 June 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
7.7
Good
1,405 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.7

Food

6.7

Comfort

7.4

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
7.7
Good
1,405 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.7

Food

6.7

Comfort

7.4

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
11,642 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.7

Food

6.7

Comfort

7.4

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
11,147 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.7

Food

6.7

Comfort

7.4

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
2,978 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.7

Food

6.7

Comfort

7.4

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
8,031 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.7

Food

6.7

Comfort

7.4

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 £148, 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 £377, however they can be found for as little as £369.

  • 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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