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£377+ 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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
— UVF
15 Apr — 22 Apr1
1 adult

Flights to Saint Lucia in 2025

Find the latest flights to Saint Lucia in 2025, 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 10 April 2025.

Return from

£664

One-way from

£377

Popular in

December

Cheapest in

September

Average price

£710

Good round-trip deal

£532 or less

Good one-way deal

£399 or less
14/6-27/6
  • 14/6-27/6
  • 2 total stops
  • 45h 15m total
  • London to Castries
22/5
  • 22/5
  • 2 total stops
  • 33h 15m total
  • London to Saint Lucia
Highest demand for flights based on searches. 11% potential increase in price (£63 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£28 potential savings vs. average return price).
Average for return flights in April 2025
Price to beat on a round-trip flight from London to Saint Lucia.
Price to beat on a one-way flight from London to Saint Lucia.

Find flight deals to Saint Lucia

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 10 April 2025.

Wed 29/1010:05LGW - UVF
Nonstop9h 05mBritish Airways
Wed 5/1120:40UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 9/4£500
Mon 1/1210:30LHR - UVF
2 stops33h 30mMultiple Airlines
Mon 15/1217:05UVF - LHR
1 stop14h 45mMultiple Airlines
Deal found 10/4£525
Mon 10/1118:00LHR - UVF
1 stop26h 00mAir Canada
Mon 8/1217:05UVF - LHR
1 stop35h 25mAir Canada
Deal found 9/4£534
Wed 29/1007:25LHR - UVF
1 stop35h 09mIcelandair
Wed 5/1116:54UVF - LHR
1 stop23h 51mIcelandair
Deal found 9/4£652
Sat 14/608:05LHR - SLU
1 stop32h 20mMultiple Airlines
Fri 27/613:55SLU - LHR
1 stop12h 55mMultiple Airlines
Deal found 10/4£664
Tue 18/1111:20LGW - UVF
2 stops29h 40mFinnair
Tue 25/1116:35UVF - LGW
2 stops36h 25mFinnair
Deal found 10/4£682

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 10 April 2025.
Use the filters below to find and compare flights to Saint Lucia that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 3/9

11:15-15:00

Nonstop8h 45m

Castries Hewanorra

Thu 2/10

22:05-11:25

Nonstop8h 20m

£501

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 2/6

08:30-14:15

1 stop34h 45m

Castries Hewanorra

Tue 10/6

15:10-11:50

1 stop15h 40m

£569

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 30/4

08:15-13:50

1 stop34h 35m

Castries Hewanorra

Wed 14/5

15:09-20:45

1 stop24h 36m

£661

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Sat 14/6

08:05-11:25

1 stop32h 20m

Castries George F. L. Charle

Fri 27/6

13:55-07:50

1 stop12h 55m

£664

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sat 16/8

10:55-14:15

2 stops32h 20m

Castries Hewanorra

Sat 23/8

15:36-06:20

2 stops33h 44m

£701

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sun 17/8

17:25-14:15

1 stop25h 50m

Castries Hewanorra

Thu 4/9

15:35-20:00

2 stops23h 25m

£706

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 30/9

13:40-13:43

1 stop29h 03m

Castries Hewanorra

Fri 17/10

16:10-12:45

1 stop15h 35m

£709

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 6/5

15:05-13:34

2 stops27h 29m

Castries Hewanorra

Tue 13/5

15:14-08:10

2 stops35h 56m

£722

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 6/5

19:05-13:34

2 stops23h 29m

Castries Hewanorra

Tue 13/5

15:14-05:50

2 stops33h 36m

£753

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 1/5

15:05-13:20

2 stops51h 15m

Castries Hewanorra

Thu 8/5

14:34-06:35

2 stops35h 01m

£758

Flights are sorted by cheapest return flights first.

Deals found on 9/4

Showing 1-10 of 31 results
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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
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 19 hours 57 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.

When is the cheapest time to fly to Saint Lucia?

Use this chart to determine the cheapest time to fly return from London to Saint Lucia. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Saint Lucia should consider flying on Tuesday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Thursday at midday, when prices are usually at their highest.

What are the cheapest airlines that fly to Saint Lucia?

The cheapest airlines flying from London to Saint Lucia are TUI Airways, British Airways and Virgin Atlantic.

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 10 April 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair to Saint Lucia. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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, TUI 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 George F. L. Charle is currently the cheapest airport to fly to in Saint Lucia. One-way flights to Castries George F. L. Charle typically cost £141, while return flights cost around £247.

  • How much is a return flight to Saint Lucia?

    A return flight to Saint Lucia will typically cost around £1,215, however they can be found for as little as £460.

  • 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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