£386+ 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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
— UVF
23 Jul — 30 Jul1
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 18 July 2025.

Return from

£615

One-way from

£386

Popular in

December

Cheapest in

September

Average price

£553

Good round-trip deal

£608 or less

Good one-way deal

£476 or less
7/11-23/11
  • 7/11-23/11
  • 5 total stops
  • 82h 10m total
  • London to Castries
British Airways
  • British Airways
  • 15/10
  • Nonstop
  • 8h 45m total
  • London to Saint Lucia
Highest demand for flights based on searches. 10% potential increase in price (£52 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£23 potential savings vs. average return price).
Average for return flights in July 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 18 July 2025.

Fri 26/908:25LHR - UVF
2 stops33h 21mIcelandair
Sun 5/1015:35UVF - LHR
1 stop24h 10mIcelandair
Deal found 16/7£583
Thu 30/1010:00LGW - UVF
Nonstop9h 05mBritish Airways
Sat 15/1120:35UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 18/7£588
Wed 15/1011:05LHR - UVF
2 stops56h 10mAir Canada
Mon 27/1016:15UVF - LHR
1 stop34h 15mAir Canada
Deal found 17/7£590
Tue 11/1107:25LHR - UVF
1 stop35h 31mJetBlue
Tue 18/1116:55UVF - LHR
1 stop23h 50mJetBlue
Deal found 16/7£593
Sun 14/912:10LGW - UVF
2 stops30h 35mIcelandair
Sun 5/1015:35UVF - LGW
2 stops37h 00mIcelandair
Deal found 16/7£608
Fri 7/1113:00LGW - SLU
3 stops37h 10mMultiple Airlines
Sun 23/1105:00SLU - LGW
2 stops45h 00mMultiple Airlines
Deal found 16/7£615

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 18 July 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

LHR - UVF

LHRUVF

London Heathrow

Fri 26/9

08:25-12:46

2 stops33h 21m

Castries Hewanorra

Sun 5/10

15:35-20:45

1 stop24h 10m

£583

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 30/10

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Sat 15/11

20:35-08:50

Nonstop8h 15m

£588

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 15/10

11:05-14:15

2 stops56h 10m

Castries Hewanorra

Mon 27/10

16:15-06:30

1 stop34h 15m

£590

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 11/11

07:25-14:56

1 stop35h 31m

Castries Hewanorra

Tue 18/11

16:55-20:45

1 stop23h 50m

£593

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sun 14/9

12:10-13:45

2 stops30h 35m

Castries Hewanorra

Sun 5/10

15:35-09:35

2 stops37h 00m

£608

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Fri 7/11

13:00-22:10

3 stops37h 10m

Castries George F. L. Charle

Sun 23/11

05:00-06:00

2 stops45h 00m

£615

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Sat 8/11

11:15-11:25

1 stop28h 10m

Castries George F. L. Charle

Tue 18/11

07:30-09:35

1 stop22h 05m

£674

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Fri 22/8

12:00-14:15

2 stops31h 15m

Castries Hewanorra

Wed 27/8

15:35-10:00

2 stops37h 25m

£677

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 12/11

12:30-13:00

2 stops28h 30m

Castries Hewanorra

Tue 2/12

16:35-07:30

2 stops34h 55m

£682

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 1/9

11:35-14:15

2 stops31h 40m

Castries Hewanorra

Fri 5/9

15:10-06:20

2 stops34h 10m

£728

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 27 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 4 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 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 18 July 2025.
Get a feel of what it's like to fly with Delta, KLM, andUnited Airlines 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.

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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 £118, while return flights cost around £157.

  • How much is a return flight to Saint Lucia?

    A return flight to Saint Lucia will typically cost around £2,505, however they can be found for as little as £706.

  • 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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