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Cheap flights from Castries to London from £407

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
UVF — LON
8 Apr — 15 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Castries to London

Enter your travel dates to find the best prices.

Cheapest flights from Castries to London
Explore the most affordable flight options available from Castries to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 March 2026.

Wed 22/416:20
UVF
-
LHR
2 stops33h 10m
Air Canada
Wed 29/408:40
LHR
-
UVF
2 stops35h 45m
Air Canada
Deal found 8/3£723
Sat 9/520:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Sun 13/911:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Deal found 7/3£762
Sun 12/416:05
UVF
-
LHR
2 stops33h 25m
Air Canada
Wed 13/514:10
LHR
-
UVF
2 stops52h 55m
Air Canada
Deal found 7/3£776
Mon 20/416:15
UVF
-
LHR
1 stop36h 20m
Air Canada
Mon 27/408:40
LHR
-
UVF
2 stops59h 40m
Air Canada
Deal found 6/3£780
Wed 8/416:20
UVF
-
LHR
1 stop36h 15m
Air Canada
Wed 15/417:40
LHR
-
UVF
1 stop26h 45m
Air Canada
Deal found 9/3£783
Fri 10/416:15
UVF
-
LHR
2 stops23h 45m
Air Canada
Mon 11/508:40
LHR
-
UVF
2 stops34h 25m
Air Canada
Deal found 7/3£784
Fri 17/720:50
UVF
-
LGW
Nonstop8h 20m
British Airways
Fri 31/711:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Deal found 7/3£793
Thu 30/416:15
UVF
-
LGW
2 stops33h 05m
Multiple Airlines
Tue 5/519:25
LGW
-
UVF
3 stops47h 15m
Multiple Airlines
Deal found 5/3£795
Tue 12/520:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Tue 30/611:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Deal found 8/3£815
Sat 9/512:41
UVF
-
LHR
2 stops18h 59m
Multiple Airlines
Sun 13/922:00
LHR
-
UVF
2 stops45h 15m
Multiple Airlines
Deal found 7/3£823
Tue 12/520:30
UVF
-
LGW
Nonstop8h 20m
British Airways
Sun 31/511:15
LGW
-
UVF
Nonstop8h 50m
British Airways
Deal found 7/3£826
Mon 6/415:18
UVF
-
LCY
2 stops20h 22m
Delta
Tue 12/509:20
LCY
-
UVF
2 stops33h 45m
Delta
Deal found 7/3£1,602

Find flight deals from Castries to London

Discover tips and strategies to find the most affordable flight options for your journey from Castries (UVF) to London (LON). 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 9 March 2026.

Round-trip from

£723

One-way from

£407

Popular in

August

Cheapest in

February

Average price

£705
Air Canada
  • Air Canada
  • 22/4-29/4
  • 4 total stops
  • 68h 55m total
  • Castries to London
Search Deals
21/4
  • 21/4
  • 2 total stops
  • 18h 03m total
  • Castries to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£109 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Castries to London 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 9 March 2026.
Use the filters below to find and compare flights from Castries to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 22/4

16:20-06:35

1 stop33h 15m

London Heathrow

Wed 29/4

08:40-15:25

2 stops35h 45m

£730
Fastest return journey

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sat 9/5

20:30-09:50

Nonstop8h 20m

London Gatwick

Sun 13/9

11:15-15:05

Nonstop8h 50m

£762

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 8/4

16:20-09:35

1 stop36h 15m

London Heathrow

Wed 15/4

17:40-15:25

1 stop26h 45m

£783

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Tue 12/5

20:30-09:50

Nonstop8h 20m

London Gatwick

Tue 30/6

11:15-15:05

Nonstop8h 50m

£815

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Tue 5/5

15:57-14:40

2 stops17h 43m

London Gatwick

Tue 12/5

15:40-14:27

2 stops27h 47m

£928

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Mon 20/4

16:15-09:35

1 stop36h 20m

London Heathrow

Mon 27/4

08:15-14:37

1 stop35h 22m

£959

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Thu 11/6

14:30-09:25

2 stops37h 55m

London Gatwick

Sat 24/10

11:15-15:05

Nonstop8h 50m

£978

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 22/4

16:20-08:05

3 stops34h 45m

London Heathrow

Wed 29/4

09:50-15:25

3 stops34h 35m

£979

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 10/4

16:15-21:00

2 stops23h 45m

London Heathrow

Mon 11/5

09:50-14:05

3 stops33h 15m

£1,011

CastriesLondon

UVF - LGW

UVFLGW

Castries Hewanorra

Sat 2/5

16:05-05:05

2 stops32h 00m

London Gatwick

Sat 9/5

11:15-15:05

Nonstop8h 50m

£1,015

Flights are sorted by cheapest return flights first.

Deals found on 4/3

Showing 1-10 of 53 resultsSorted by cheapest first
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Best time to book a flight from Castries to London

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

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

Currently, September is the cheapest month in which you can book a flight from Castries to London (average of £419). Flying from Castries to London in February is currently the most expensive (average of £856). 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 UVF to LON?

Find hourly flight availability from Castries to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 March 2026.

When flying from Castries to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Castries to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 9 March 2026.
See what other customers who have flown with British Airways from Castries to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,780 reviews
Check prices

Crew

7.6

Entertainment

6.4

Boarding

6.9

Comfort

6.8

Overall

6.7

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.
British Airways
6.7
Okay
7,780 reviews
British Airways
6.7
Okay
7,780 reviews
Check prices

Crew

7.6

Entertainment

6.4

Boarding

6.9

Comfort

6.8

Overall

6.7

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.

Related info for your journey

Find useful and relevant information for your journey from Castries to London. 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 from for flights from Castries to London?

    If you book a flight to London from Castries, you will be flying from Hewanorra, which is the city’s only airport. Castries Hewanorra (UVF) is located 19.3 mi from the center of Castries. There is 1 flight from Hewanorra to London per day from 1 airline.

  • How long is the flight from Castries to London?

    Departing from Castries to London will take you 8h 20m. Airlines will cover a distance of 4223 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Castries to London round-trip?

    According to our current data, British Airways (£678), offers the cheapest pricing from Castries to London. British Airways is priced at 19% lower than the current average price of a flight leaving 3 months from now.

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

    While some choose either Castries Hewanorra - London Heathrow or Castries Hewanorra - London City, Castries Hewanorra - London Gatwick is the most popular route from Castries to London.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Castries to London 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 Castries to London?

    Currently, September is the cheapest month in which you can book a flight from Castries to London (average of £419). Flying from Castries to London in February is currently the most expensive (average of £856). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Bedford
Romford
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Castries to London

See prices for flight routes from nearby airports that may be better suited for you.
Castries to Gatwick flights
Castries to Heathrow flights
Castries to London City flights

Top airline flying from Castries to London

Discover the top airline that operate flights from Castries to London. 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 9 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£678Average£858FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Castries to London?

Cheapflights helps you search for flights from Castries to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Castries to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to London from Castries? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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