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£367+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
— UVF
25 Mar — 1 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 20 March 2025.

Return from

£703

One-way from

£367

Popular in

December

Cheapest in

September

Average price

£524

Good round-trip deal

£306 or less

Good one-way deal

£409 or less
26/4-11/5
  • 26/4-11/5
  • 2 total stops
  • 47h 00m total
  • London to Castries
12/6
  • 12/6
  • 3 total stops
  • 36h 40m total
  • London to Saint Lucia
Highest demand for flights based on searches. 12% potential increase in price (£69 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£31 potential savings vs. average return price).
Average for return flights in March 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 20 March 2025.

Tue 1/409:55LGW - UVF
Nonstop8h 45mTUI Airways
Tue 15/415:40UVF - LGW
Nonstop8h 00mTUI Airways
Deal found 19/3£464
Wed 3/911:15LGW - UVF
Nonstop8h 45mBritish Airways
Thu 2/1022:05UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 19/3£501
Sun 23/1108:30LHR - UVF
2 stops35h 05mMultiple Airlines
Sun 7/1216:35UVF - LHR
2 stops40h 25mMultiple Airlines
Deal found 19/3£528
Mon 24/318:00LHR - UVF
1 stop24h 45mAir Canada
Mon 31/315:45UVF - LHR
1 stop36h 50mAir Canada
Deal found 19/3£537
Thu 20/309:35LHR - SLU
1 stop31h 35mMultiple Airlines
Thu 27/315:20SLU - LHR
1 stop14h 15mMultiple Airlines
Deal found 19/3£617
Tue 29/415:05LGW - UVF
2 stops28h 23mFinnair
Tue 13/514:34UVF - LGW
2 stops36h 36mFinnair
Deal found 19/3£652

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 20 March 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

Tue 1/4

09:55-13:40

Nonstop8h 45m

Castries Hewanorra

Tue 15/4

15:40-04:40

Nonstop8h 00m

£464

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

Tue 29/4

12:05-14:45

1 stop31h 40m

Castries Hewanorra

Tue 13/5

15:10-11:50

1 stop15h 40m

£548

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sun 4/5

08:15-13:50

1 stop34h 35m

Castries Hewanorra

Wed 14/5

15:08-20:45

1 stop24h 37m

£615

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 29/4

15:05-14:28

2 stops28h 23m

Castries Hewanorra

Tue 13/5

14:34-08:10

2 stops36h 36m

£652

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 29/4

15:05-14:28

2 stops28h 23m

Castries Hewanorra

Tue 13/5

15:14-08:10

2 stops35h 56m

£691

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Sat 26/4

08:05-11:25

1 stop32h 20m

Castries George F. L. Charle

Sun 11/5

12:10-07:50

1 stop14h 40m

£703

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 28/4

09:40-13:59

2 stops33h 19m

Castries Hewanorra

Wed 14/5

15:26-06:25

2 stops33h 59m

£712

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sat 3/5

09:15-14:28

1 stop34h 13m

Castries Hewanorra

Wed 14/5

14:34-19:45

2 stops24h 11m

£712

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Fri 2/5

20:10-14:00

2 stops22h 50m

Castries Hewanorra

Mon 12/5

15:14-07:20

2 stops35h 06m

£715

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 36 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 20 hours 11 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 20 March 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

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

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 Hewanorra is currently the cheapest airport to fly to in Saint Lucia. One-way flights to Castries Hewanorra typically cost £397, while return flights cost around £246.

  • How much is a return flight to Saint Lucia?

    A return flight to Saint Lucia will typically cost around £2,716, however they can be found for as little as £379.

  • 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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