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Cheap flights from London to Castries from £398

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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — UVF
10 Sep — 17 Sep1
1 adult

Cheapflights Tip: The best prices from London to Castries Hewanorra are usually found in March or August, booked 6 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from London to Castries

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Castries (UVF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 September 2025.

Round-trip from

£517

One-way from

£398

Popular in

December

Cheapest in

March

Average price

£313
British Airways
  • British Airways
  • 1/10-8/10
  • Nonstop
  • 17h 05m total
  • London to Castries
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24/11
  • 24/11
  • 1 total stop
  • 31h 10m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£72 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from London to Castries

Cheapest flights from London to Castries
Explore the most affordable flight options available from London to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 September 2025.

Wed 1/1011:15LGW - UVF
Nonstop8h 45mBritish Airways
Wed 8/1020:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 3/9£517
Tue 28/1010:00LGW - UVF
Nonstop9h 05mBritish Airways
Thu 6/1122:05UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 4/9£519
Sun 2/1110:05LGW - UVF
Nonstop9h 05mBritish Airways
Sun 9/1120:35UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 3/9£534
Mon 10/1110:00LGW - UVF
Nonstop9h 05mBritish Airways
Mon 17/1122:05UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 4/9£538
Wed 19/1110:05LGW - UVF
Nonstop9h 05mBritish Airways
Wed 3/1220:35UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 4/9£553
Fri 19/911:15LGW - UVF
Nonstop8h 45mBritish Airways
Sun 28/920:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 3/9£560
Sat 4/1011:15LGW - UVF
Nonstop8h 45mBritish Airways
Sat 11/1020:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 4/9£565
Mon 3/1110:00LGW - UVF
Nonstop9h 05mBritish Airways
Mon 10/1122:05UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 3/9£578
Thu 9/1011:15LGW - UVF
Nonstop8h 50mBritish Airways
Sat 18/1020:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 3/9£582
Fri 19/911:15LGW - UVF
Nonstop8h 45mBritish Airways
Sat 27/920:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 3/9£587
Sat 15/1110:05LGW - UVF
Nonstop9h 05mBritish Airways
Thu 27/1122:05UVF - LGW
Nonstop8h 15mBritish Airways
Deal found 4/9£597
Tue 28/1007:25LHR - UVF
1 stop34h 32mJetBlue
Thu 6/1116:57UVF - LHR
1 stop23h 48mJetBlue
Deal found 4/9£627

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Castries that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 September 2025.
Use the filters below to find and compare flights from London to Castries that are best for you.

Fly from

London

Fly to

Castries

Route

Depart

Return

Price

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 3/3

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Thu 26/3

22:05-10:20

Nonstop8h 15m

£517

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 1/10

11:15-15:00

Nonstop8h 45m

Castries Hewanorra

Wed 8/10

20:25-09:45

Nonstop8h 20m

£517

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 1/10

11:15-15:00

Nonstop8h 45m

Castries Hewanorra

Wed 22/10

20:25-09:45

Nonstop8h 20m

£517

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 1/10

11:15-15:00

Nonstop8h 45m

Castries Hewanorra

Sun 5/10

20:25-09:45

Nonstop8h 20m

£517

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 28/10

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Thu 6/11

22:05-10:20

Nonstop8h 15m

£519

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sun 1/2

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Mon 16/3

22:05-10:20

Nonstop8h 15m

£534

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sun 2/11

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Sun 9/11

20:35-08:50

Nonstop8h 15m

£534

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 10/11

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Mon 17/11

22:05-10:20

Nonstop8h 15m

£538

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 28/10

07:25-13:57

1 stop34h 32m

Castries Hewanorra

Thu 6/11

16:57-20:45

1 stop23h 48m

£627

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 23/2

12:05-16:25

2 stops56h 20m

Castries Hewanorra

Wed 4/3

17:15-06:30

1 stop33h 15m

£643

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 51 results
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Best time to book a flight from London to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from London 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 from London to Castries

How far ahead should I book a flight from London to Castries?

Use this chart to determine the optimal time to book a return flight from London to Castries. Price data was last updated on 29 August 2025.

The best time to book flights from London to Castries is 6 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London to Castries?

Currently, March is the cheapest month in which you can book a flight from London to Castries (average of £328). Flying from London to Castries in December is currently the most expensive (average of £1,100). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to UVF?

Find hourly flight availability from London to Castries. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 September 2025.

One of the essential ways to save on airfare from London to Castries is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 33% on airfare.

Reviews of airlines servicing Castries

Get insights into the airlines that provide service to Castries. 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 Castries. Reviews last updated 5 September 2025.
Read through reviews of airlines operating flights from London to Castries, such as Finnair, Virgin Atlantic, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,321 reviews
Check prices

Boarding

7.6

Food

6.7

Comfort

7.5

Overall

7.6

Crew

8.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,321 reviews
Finnair
7.6
Good
1,321 reviews
Check prices

Boarding

7.6

Food

6.7

Comfort

7.5

Overall

7.6

Crew

8.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Virgin Atlantic
7.4
Good
663 reviews
Finnair
7.6
Good
1,321 reviews
Check prices

Boarding

7.6

Food

6.7

Comfort

7.5

Overall

7.6

Crew

8.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Icelandair
7.0
Good
545 reviews
Finnair
7.6
Good
1,321 reviews
Check prices

Boarding

7.6

Food

6.7

Comfort

7.5

Overall

7.6

Crew

8.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,348 reviews
Finnair
7.6
Good
1,321 reviews
Check prices

Boarding

7.6

Food

6.7

Comfort

7.5

Overall

7.6

Crew

8.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Related info for your journey

Find useful and relevant information for your journey from London to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Castries from London?

    Most people fly into Castries Hewanorra (UVF) if they book a flight to Castries from London. On average, Hewanorra has 0 inbound flights from London per day from 6 airlines. Castries Hewanorra is conveniently located just 19.3 mi from Castries’s city center.

  • How long is the flight from London to Castries?

    For as low as £517, British Airways can have you in Castries from London in 9h 05m. The distance between London and Castries is about 4223 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from London to Castries round-trip?

    TUI Airways, at £282, was found to be the cheapest airline from London to Castries.Alternate airlines flying return to your destination include Virgin Atlantic and British Airways. TUI Airways is priced at 48% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London to Castries one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £405. JetBlue flights start at £516 while deals on Air Canada start at £537 one-way.

  • What are the most popular routes from London to Castries?

    Most travelers choose London Heathrow - Castries Hewanorra, London Gatwick - Castries Hewanorra or London City - Castries Hewanorra when deciding on the best route from London to Castries.

  • Can I find deals for flights from London to Castries that include hotel bookings?

    Yes. In addition to deals on London to Castries flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Castries.

  • Can I find deals for business class flights from London to Castries?

    Yes. Cheapflights offers flight deals from London to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Castries?

    Currently, March is the cheapest month in which you can book a flight from London to Castries (average of £328). Flying from London to Castries in December is currently the most expensive (average of £1,100). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fly from London to Castries on these airlines

Choose from the following airlines for your flight from London to Castries. Flights are based on user searches made on Cheapflights and were last updated on 5 September 2025.
British Airways flights from London to Castries Hewanorra
TUI Airways flights from London to Castries Hewanorra
Virgin Atlantic flights from London to Castries Hewanorra

Top 6 airlines flying from London to Castries

Discover the top 6 airlines that operate flights from London to Castries. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 September 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£282Average£387FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
Virgin AtlanticCheapest£418Average£602FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£418Average£615FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£518Average£644FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£587Average£805FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£682Average£1,314FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Castries?

Deals for London to Castries flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Castries?

Cheapflights simply makes it quick and affordable to book flights from London to Castries by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Castries with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Castries flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Castries become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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