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Cheap flights from London to Castries from £397

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — UVF
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from London to Castries Hewanorra are usually found in June or March, booked 2 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 13 June 2025.

Round-trip from

£562

One-way from

£397

Popular in

December

Cheapest in

June

Average price

£282
Air Canada
  • Air Canada
  • 3/11-10/11
  • 2 total stops
  • 61h 25m total
  • London to Castries
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British Airways
  • British Airways
  • 18/9
  • Nonstop
  • 8h 50m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£113 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in June 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 13 June 2025.

Mon 3/1118:00LHR - UVF
1 stop26h 00mAir Canada
Mon 10/1117:05UVF - LHR
1 stop35h 25mAir Canada
Deal found 11/6£562
Fri 5/912:10LGW - UVF
2 stops54h 50mIcelandair
Fri 12/915:06UVF - LGW
2 stops37h 29mIcelandair
Deal found 11/6£574
Wed 18/611:15LGW - UVF
Nonstop8h 45mBritish Airways
Wed 25/620:25UVF - LGW
Nonstop8h 20mBritish Airways
Deal found 11/6£596
Fri 5/911:15LGW - UVF
Nonstop8h 45mMultiple Airlines
Fri 12/916:00UVF - LGW
2 stops56h 00mMultiple Airlines
Deal found 11/6£628
Mon 10/1108:25LHR - UVF
2 stops35h 09mIcelandair
Mon 24/1116:54UVF - LHR
1 stop23h 51mIcelandair
Deal found 12/6£628
Wed 1/1015:15LHR - UVF
1 stop28h 08mMultiple Airlines
Wed 8/1015:32UVF - LHR
1 stop34h 43mMultiple Airlines
Deal found 13/6£691
Fri 31/1012:15LHR - UVF
2 stops30h 02mDelta
Thu 13/1116:35UVF - LHR
1 stop33h 50mDelta
Deal found 11/6£703
Mon 8/909:55LHR - UVF
1 stop33h 22mAmerican Airlines
Mon 22/915:17UVF - LHR
1 stop14h 18mAmerican Airlines
Deal found 11/6£706
Tue 26/809:20LHR - UVF
1 stop33h 55mAlaska Airlines
Thu 4/915:35UVF - LHR
1 stop16h 55mAlaska Airlines
Deal found 13/6£717
Sat 13/1212:30LGW - UVF
2 stops28h 30mAmerican Airlines
Tue 23/1216:55UVF - LGW
2 stops34h 35mAmerican Airlines
Deal found 12/6£778
Mon 25/811:50LCY - UVF
2 stops31h 25mDelta
Thu 4/915:35UVF - LCY
2 stops20h 05mDelta
Deal found 11/6£827
Wed 27/810:45LGW - UVF
2 stops32h 00mWestJet
Sun 7/914:35UVF - LGW
2 stops37h 50mWestJet
Deal found 11/6£881

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 13 June 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

LHR - UVF

LHRUVF

London Heathrow

Mon 3/11

18:00-16:00

1 stop26h 00m

Castries Hewanorra

Mon 10/11

17:05-08:30

1 stop35h 25m

£562

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Fri 5/9

12:10-14:00

2 stops54h 50m

Castries Hewanorra

Fri 12/9

15:06-09:35

2 stops37h 29m

£574

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 27/8

11:15-15:00

Nonstop8h 45m

Castries Hewanorra

Sun 7/9

20:25-09:45

Nonstop8h 20m

£597

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Fri 5/9

11:15-15:00

Nonstop8h 45m

Castries Hewanorra

Fri 12/9

16:00-05:00

2 stops56h 00m

£628

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 10/11

08:25-15:34

2 stops35h 09m

Castries Hewanorra

Mon 24/11

16:54-20:45

1 stop23h 51m

£628

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 1/10

15:15-14:23

1 stop28h 08m

Castries Hewanorra

Wed 8/10

15:32-07:15

1 stop34h 43m

£691

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Fri 31/10

08:50-14:17

2 stops33h 27m

Castries Hewanorra

Wed 12/11

16:35-20:10

2 stops23h 35m

£703

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 8/9

09:55-14:17

1 stop33h 22m

Castries Hewanorra

Mon 22/9

15:17-10:35

1 stop14h 18m

£706

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 26/8

09:20-14:15

1 stop33h 55m

Castries Hewanorra

Thu 4/9

15:35-13:30

1 stop16h 55m

£717

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 1/9

12:20-14:35

2 stops31h 15m

Castries Hewanorra

Mon 8/9

15:17-08:10

2 stops35h 53m

£790

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 38 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 9 June 2025.

The best time to book flights from London to Castries is 2 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 13 June 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 43% on airfare.

What is the cheapest day to fly from London to Castries?

Use this chart to determine the cheapest time to fly return from London to Castries. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Castries flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 13 June 2025.
To help decide which airline to fly from London to Castries, see what other customers have to say about Delta, Alaska Airlines and KLM. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
Delta
8.0
Very Good
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
Alaska Airlines
8.0
Very Good
10,000 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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

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 1 inbound flight from London per day from 6 airlines. Castries Hewanorra is conveniently located just 19.3 mi from Castries’s city center.

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

    Air Canada, at £562, was found to be the cheapest airline from London to Castries.Alternate airlines flying return to your destination include Icelandair and British Airways.

  • 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 £397. Air Canada flights start at £469 while deals on WestJet start at £511 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

Browse thousands of different options on Cheapflights for your next trip

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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 13 June 2025.
TUI Airways flights from London to Castries Hewanorra
British 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£279Average£378FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£411Average£625FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£428Average£616FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£502Average£796FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£508Average£613FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£674Average£1,299FlexibilityNo 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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