Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Castries from £484

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — UVF
19 Jul — 26 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Castries

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Castries
Explore the most affordable flight options available from Heathrow to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 June 2026.

Sat 14/1112:05
LHR
-
UVF
2 stops56h 20m
Air Canada
Thu 26/1117:25
UVF
-
LHR
2 stops33h 45m
Air Canada
Deal found 15/6£688
Thu 12/1118:00
LHR
-
UVF
1 stop26h 25m
Air Canada
Thu 26/1117:25
UVF
-
LHR
1 stop35h 05m
Air Canada
Deal found 18/6£692
Tue 3/1113:45
LHR
-
UVF
2 stops54h 40m
Air Canada
Thu 3/1217:25
UVF
-
LHR
1 stop35h 05m
Air Canada
Deal found 14/6£708
Fri 27/1113:45
LHR
-
UVF
2 stops54h 40m
Air Canada
Mon 18/117:25
UVF
-
LHR
1 stop33h 05m
Air Canada
Deal found 18/6£712
Tue 3/1113:45
LHR
-
UVF
2 stops54h 40m
Air Canada
Fri 27/1117:25
UVF
-
LHR
1 stop35h 05m
Air Canada
Deal found 18/6£716
Thu 12/1109:00
LHR
-
UVF
2 stops35h 25m
Air Canada
Sun 15/1117:25
UVF
-
LHR
2 stops47h 10m
Air Canada
Deal found 18/6£722

Find flight deals from Heathrow to Castries

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 19 June 2026.

Round-trip from

£688

One-way from

£484

Popular in

December

Cheapest in

September

Average price

£1,041
Air Canada
  • Air Canada
  • 14/11-26/11
  • 4 total stops
  • 90h 05m total
  • London to Castries
Search Deals
9/11
  • 9/11
  • 2 total stops
  • 30h 35m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£64 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 19 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 12/11

13:25-16:25

2 stops31h 00m

Castries Hewanorra

Sun 15/11

17:25-08:30

1 stop35h 05m

£722

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 29/10

10:45-14:26

1 stop31h 41m

Castries Hewanorra

Mon 9/11

16:25-08:05

2 stops35h 40m

£744
Fastest return journey

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 20/8

15:15-14:14

1 stop27h 59m

Castries Hewanorra

Thu 10/9

15:32-11:20

1 stop14h 48m

£745

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 27/10

13:00-14:26

2 stops29h 26m

Castries Hewanorra

Thu 5/11

16:41-11:40

1 stop14h 59m

£751

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 30/9

09:20-14:08

1 stop33h 48m

Castries Hewanorra

Wed 7/10

15:41-13:15

1 stop16h 34m

£779

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 3/11

10:45-15:26

1 stop32h 41m

Castries Hewanorra

Thu 3/12

16:25-11:40

1 stop15h 15m

£781

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 9/9

09:20-14:12

1 stop33h 52m

Castries Hewanorra

Wed 30/9

15:33-13:15

1 stop16h 42m

£781
Cheapest one-way

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 11/11

12:15-14:50

2 stops30h 35m

£484

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 12/11

18:00-16:25

1 stop26h 25m

£518

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 19/11

18:00-16:25

1 stop26h 25m

£521

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Castries

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

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Castries (average of £589). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £1,229). 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.

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

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 19 June 2026.
Read reviews from past customers who have flown with KLM,Finnair, andAir Canada from London Heathrow Airport to Castries. 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.
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,530 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Finnair
7.7
Good
1,413 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air Canada
7.1
Good
11,222 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
JetBlue
7.1
Good
2,987 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,055 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

    Most people fly into Castries Hewanorra (UVF) if they book a flight to Castries from London Heathrow. On average, Hewanorra has 0 inbound flights from London Heathrow 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 Heathrow Airport to Castries?

    Departing from London Heathrow Airport to Castries will take you 31h. The distance from London Heathrow Airport to Castries is about 4217 mi. This flight may include one or multiple stops.

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

    Currently priced at £508, British Airways will fly you from London Heathrow Airport to Castries and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and Air Canada - these airlines can fly you to your destination from £541 and £644, respectively. British Airways is 38% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Castries?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Castries (average of £589). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £1,229). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Castries

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

Top 6 airlines flying from Heathrow to Castries

Discover the top 6 airlines that operate flights from Heathrow 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 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£508Average£806FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£541Average£847FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£644Average£788FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£701Average£921FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£717Average£974FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest£1,174Average£1,561FlexibilityNo 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 Heathrow to Castries?

Cheapflights helps you search for flights from Heathrow to Castries 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 Heathrow to Castries?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Castries from Heathrow.

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

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

Can Cheapflights notify me if prices for flights from Heathrow 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.