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£310+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
— UVF
19 Feb — 26 Feb1
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 14 February 2025.

Return from

£701

One-way from

£310

Popular in

December

Cheapest in

June

Average price

£649

Good round-trip deal

£507 or less

Good one-way deal

£374 or less
11/3-18/3
  • 11/3-18/3
  • 2 total stops
  • 45h 30m total
  • London to Castries
12/3
  • 12/3
  • 3 total stops
  • 33h 49m total
  • London to Saint Lucia
Highest demand for flights based on searches. 13% potential increase in price (£83 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£34 potential savings vs. average return price).
Average for return flights in February 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 14 February 2025.

Sun 9/308:00LHR - UVF
Nonstop9h 25mVirgin Atlantic
Sun 23/321:00UVF - LHR
Nonstop8h 30mVirgin Atlantic
Deal found 13/2£487
Wed 3/911:15LGW - UVF
Nonstop8h 45mBritish Airways
Sun 14/920:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 12/2£505
Thu 20/218:00LHR - UVF
1 stop25h 45mAir Canada
Sun 2/316:45UVF - LHR
1 stop35h 45mAir Canada
Deal found 13/2£517
Tue 4/311:15LGW - UVF
Nonstop8h 45mTUI Airways
Tue 11/318:00UVF - LGW
Nonstop8h 10mTUI Airways
Deal found 12/2£538
Mon 10/311:30LHR - UVF
2 stops31h 15mMultiple Airlines
Tue 18/315:45UVF - LHR
2 stops44h 35mMultiple Airlines
Deal found 12/2£549
Mon 10/309:00LHR - UVF
2 stops33h 45mLufthansa
Mon 24/315:45UVF - LHR
2 stops48h 50mLufthansa
Deal found 12/2£625

Find flights to Saint Lucia within your budget

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 14 February 2025.

Fly from

London

Route

Depart

Return

Price

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sun 9/3

08:00-13:25

Nonstop9h 25m

Castries Hewanorra

Sun 23/3

21:00-09:30

Nonstop8h 30m

£487

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 6/3

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Thu 13/3

22:10-10:25

Nonstop8h 15m

£509

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 10/3

11:10-14:45

1 stop31h 35m

Castries Hewanorra

Mon 24/3

15:45-11:50

1 stop16h 05m

£524

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 4/3

11:15-16:00

Nonstop8h 45m

Castries Hewanorra

Tue 11/3

18:00-06:10

Nonstop8h 10m

£538

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 10/3

11:30-14:45

2 stops31h 15m

Castries Hewanorra

Tue 18/3

15:45-16:20

2 stops44h 35m

£549

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 10/3

09:00-14:45

2 stops33h 45m

Castries Hewanorra

Mon 24/3

15:45-20:35

2 stops48h 50m

£625

LondonCastries

LCY - UVF

LCYUVF

London City

Wed 19/3

19:10-14:45

2 stops47h 35m

Castries Hewanorra

Wed 26/3

15:45-17:40

2 stops45h 55m

£637

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 28/4

12:20-13:45

2 stops30h 25m

Castries Hewanorra

Mon 5/5

15:10-08:35

2 stops36h 25m

£661

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 19/3

11:25-13:40

2 stops30h 15m

Castries Hewanorra

Fri 28/3

15:50-12:20

1 stop16h 30m

£679

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Tue 11/3

10:35-15:55

1 stop33h 20m

Castries George F. L. Charle

Tue 18/3

16:25-08:35

1 stop12h 10m

£701

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 35 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.

Travel insights for flights to Saint Lucia

Get recent, data-driven insights about flights to Saint Lucia including ideal travel times, pricing trends, and more.

How long is the flight to Saint Lucia?

On average, a flight from London to Saint Lucia takes 14 hours 24 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 Wednesday afternoons, 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 14 February 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.

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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

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-ri