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Cheap flights from Castries to London Heathrow Airport from £421

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
UVF — LHR
29 Mar — 5 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Castries to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Castries to Heathrow
Explore the most affordable flight options available from Castries to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 February 2026.

Wed 8/416:20
UVF
-
LHR
1 stop14h 30m
Air Canada
Mon 11/517:40
LHR
-
UVF
1 stop25h 25m
Air Canada
Deal found 25/2£736
Mon 6/416:15
UVF
-
LHR
1 stop14h 35m
Air Canada
Wed 15/408:30
LHR
-
UVF
1 stop35h 55m
Air Canada
Deal found 23/2£745
Sun 12/416:05
UVF
-
LHR
1 stop35h 30m
Air Canada
Thu 30/414:10
LHR
-
UVF
1 stop28h 55m
Air Canada
Deal found 24/2£747
Mon 13/416:05
UVF
-
LHR
2 stops59h 30m
Air Canada
Wed 13/514:10
LHR
-
UVF
2 stops52h 55m
Air Canada
Deal found 25/2£771
Sun 12/416:05
UVF
-
LHR
2 stops47h 55m
Air Canada
Sun 10/509:30
LHR
-
UVF
2 stops57h 35m
Air Canada
Deal found 25/2£774

Find flight deals from Castries to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Castries (UVF) to Heathrow (LHR). 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 27 February 2026.

Round-trip from

£736

One-way from

£421
Air Canada
  • Air Canada
  • 8/4-11/5
  • 2 total stops
  • 39h 55m total
  • Castries to London
Search Deals
29/4
  • 29/4
  • 2 total stops
  • 33h 25m total
  • Castries to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Castries to Heathrow 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 27 February 2026.
Use the filters below to find and compare flights from Castries to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 8/4

16:20-11:50

1 stop14h 30m

London Heathrow

Mon 11/5

17:40-14:05

1 stop25h 25m

£736

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 15/4

16:20-11:50

1 stop14h 30m

London Heathrow

Thu 23/4

14:10-15:20

1 stop30h 10m

£781

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Thu 9/4

16:15-06:30

3 stops33h 15m

London Heathrow

Sat 9/5

08:40-13:40

3 stops34h 00m

£874

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 18/3

15:49-21:40

1 stop25h 51m

London Heathrow

Tue 7/4

08:40-17:47

2 stops38h 07m

£1,058

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 24/4

15:57-20:45

1 stop23h 48m

London Heathrow

Thu 30/4

08:40-11:21

2 stops55h 41m

£1,116

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 24/4

15:57-11:55

2 stops38h 58m

London Heathrow

Tue 14/7

21:25-13:40

2 stops45h 15m

£1,192

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 24/4

15:57-21:10

2 stops24h 13m

London Heathrow

Thu 30/4

11:20-14:27

2 stops32h 07m

£1,406

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 21/3

15:18-07:50

1 stop36h 32m

London Heathrow

Wed 25/3

12:30-13:58

1 stop29h 28m

£1,424

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 18/3

15:18-07:50

1 stop36h 32m

London Heathrow

Tue 24/3

08:55-13:58

1 stop33h 03m

£1,424

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 22/3

15:18-11:40

1 stop16h 22m

London Heathrow

Wed 25/3

08:55-13:58

1 stop33h 03m

£1,424

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Best time to book a flight from Castries to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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.

Related info for your journey

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

    For a flight from Castries to London Heathrow, you will be flying from Hewanorra. Castries Hewanorra (UVF) is just 19.3 mi from the center of the city. Hewanorra is the only Castries airport and it handles 0 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Castries Hewanorra on a regular basis.

  • How long is the flight from Castries to London Heathrow Airport?

    For as low as £736, Air Canada can have you in London Heathrow Airport from Castries in 14h 30m. Castries and London Heathrow Airport are separated by a distance of 4217 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

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

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Wembley
Luton
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Castries to Heathrow

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

Deals for Castries to Heathrow 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 Castries to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Castries to Heathrow 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 Castries to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Castries to Heathrow, users can toggle the no change fees filter when performing a flight search.

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