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Cheap flights from Castries to London Heathrow Airport from £456

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
UVF — LHR
16 May — 23 May1
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 16 April 2026.

Tue 18/815:15
UVF
-
LHR
2 stops36h 20m
Air Canada
Thu 3/906:00
LHR
-
UVF
2 stops37h 20m
Air Canada
Deal found 14/4£876
Thu 29/1017:25
UVF
-
LHR
1 stop35h 05m
Air Canada
Wed 11/1118:00
LHR
-
UVF
1 stop26h 25m
Air Canada
Deal found 13/4£890
Mon 2/1117:25
UVF
-
LHR
2 stops33h 45m
Air Canada
Wed 11/1113:25
LHR
-
UVF
2 stops31h 00m
Air Canada
Deal found 13/4£896
Tue 5/515:05
UVF
-
LHR
2 stops36h 30m
Air Canada
Thu 14/509:30
LHR
-
UVF
2 stops33h 35m
Air Canada
Deal found 15/4£908
Thu 29/1017:25
UVF
-
LHR
2 stops23h 10m
Air Canada
Sun 8/1118:00
LHR
-
UVF
1 stop26h 25m
Air Canada
Deal found 13/4£910
Fri 30/1017:25
UVF
-
LHR
2 stops33h 45m
Air Canada
Sun 8/1118:00
LHR
-
UVF
1 stop26h 25m
Air Canada
Deal found 13/4£913
Fri 15/515:05
UVF
-
LHR
2 stops34h 25m
Air Canada
Thu 25/617:40
LHR
-
UVF
1 stop25h 40m
Air Canada
Deal found 12/4£931
Thu 29/1017:25
UVF
-
LHR
2 stops23h 10m
Air Canada
Sat 7/1115:10
LHR
-
UVF
2 stops29h 15m
Air Canada
Deal found 13/4£952

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 16 April 2026.

Round-trip from

£876

One-way from

£456
Air Canada
  • Air Canada
  • 18/8-3/9
  • 4 total stops
  • 73h 40m total
  • Castries to London
Search Deals
28/4
  • 28/4
  • 2 total stops
  • 18h 03m 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 16 April 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

Cheapest return flight

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 15/5

15:05-06:30

2 stops34h 25m

London Heathrow

Thu 25/6

17:40-14:20

1 stop25h 40m

£931
Fastest return journey

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 25/9

16:00-12:35

1 stop15h 35m

London Heathrow

Sat 3/10

16:35-13:50

2 stops26h 15m

£1,055

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 15/8

14:35-06:45

2 stops35h 10m

London Heathrow

Fri 4/9

16:40-13:31

2 stops25h 51m

£1,172

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 12/7

14:30-09:35

1 stop14h 05m

London Heathrow

Mon 31/8

06:40-14:20

3 stops36h 40m

£1,241

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 10/5

15:48-20:45

1 stop23h 57m

London Heathrow

Sat 6/6

08:15-15:35

1 stop36h 20m

£1,284

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 15/8

15:28-06:45

2 stops34h 17m

London Heathrow

Sun 6/9

15:15-14:08

1 stop27h 53m

£1,501

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 16/8

15:28-13:15

1 stop16h 47m

London Heathrow

Thu 3/9

15:15-14:08

1 stop27h 53m

£1,501

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Thu 20/8

15:28-11:20

1 stop14h 52m

London Heathrow

Sat 5/9

11:15-14:08

1 stop31h 53m

£1,501

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 19/8

15:28-11:20

1 stop14h 52m

London Heathrow

Sun 6/9

13:25-14:08

1 stop29h 43m

£1,501
Cheapest one-way

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Tue 28/4

15:57-15:00

2 stops18h 03m

£456

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 16 resultsSorted by cheapest first
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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 £1,055, Air Canada can have you in London Heathrow Airport from Castries in 15h 35m. 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
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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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