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£357+ 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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
— UVF
5 Mai — 12 Mai1
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 30 April 2025.

Return from

£617

One-way from

£357

Popular in

December

Cheapest in

September

Average price

£683

Good round-trip deal

£531 or less

Good one-way deal

£420 or less
9/6-22/6
  • 9/6-22/6
  • 2 total stops
  • 29h 05m total
  • London to Castries
13/6
  • 13/6
  • 3 total stops
  • 45h 35m total
  • London to Saint Lucia
Highest demand for flights based on searches. 11% potential increase in price (£58 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£26 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 30 April 2025.

Mi 3/911:15LGW - UVF
Nonstop8h 45mBritish Airways
Do 2/1022:05UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 29/4£501
Mi 3/1219:25LHR - UVF
2 stops48h 35mAir Canada
Mi 17/1217:05UVF - LHR
1 stop33h 25mAir Canada
Deal found 29/4£614
Mo 9/608:05LHR - SLU
1 stop14h 25mMultiple Airlines
So 22/612:10SLU - LHR
1 stop14h 40mMultiple Airlines
Deal found 29/4£617
Mo 8/911:55LHR - UVF
1 stop31h 04mIcelandair
Mo 22/915:05UVF - LHR
1 stop24h 40mIcelandair
Deal found 29/4£632
Di 6/509:55LGW - UVF
Nonstop8h 45mTUI Airways
Di 13/515:55UVF - LGW
Nonstop8h 00mTUI Airways
Deal found 29/4£642
Mo 9/612:40LGW - UVF
1 stop30h 35mMultiple Airlines
So 22/614:35UVF - LGW
1 stop15h 10mMultiple Airlines
Deal found 29/4£653

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 30 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

Mi 3/9

11:15-15:00

Nonstop8h 45m

Castries Hewanorra

Do 2/10

22:05-11:25

Nonstop8h 20m

£501

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Mo 9/6

08:05-17:30

1 stop14h 25m

Castries George F. L. Charle

So 22/6

12:10-07:50

1 stop14h 40m

£617

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

So 31/8

11:05-14:15

2 stops56h 10m

Castries Hewanorra

Di 30/9

15:10-11:50

1 stop15h 40m

£627

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mo 8/9

11:55-13:59

1 stop31h 04m

Castries Hewanorra

Mo 22/9

15:05-20:45

1 stop24h 40m

£632

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mo 9/6

12:40-14:15

1 stop30h 35m

Castries Hewanorra

So 22/6

14:35-10:45

1 stop15h 10m

£653

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sa 7/6

12:10-13:49

2 stops30h 39m

Castries Hewanorra

So 15/6

17:40-09:35

2 stops34h 55m

£655

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mo 9/6

17:40-14:15

1 stop25h 35m

Castries Hewanorra

So 22/6

14:35-06:30

2 stops34h 55m

£668

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Do 11/9

15:05-13:43

2 stops27h 38m

Castries Hewanorra

Sa 27/9

15:34-06:35

2 stops34h 01m

£684

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Do 11/9

09:55-13:43

1 stop32h 48m

Castries Hewanorra

Sa 27/9

15:34-06:55

1 stop34h 21m

£705

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mo 12/5

16:05-14:06

2 stops27h 01m

Castries Hewanorra

Do 5/6

15:26-12:35

2 stops40h 09m

£706

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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 21 hours 6 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 30 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.

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

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

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

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

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

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

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

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

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

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

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

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 £147, while return flights cost around £238.

  • How much is a return flight to Saint Lucia?

    A return flight to Saint Lucia will typically cost around £1,432, however they can be found for as little as £553.

  • 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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