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Cheap flights from London Heathrow Airport to Castries from £456

LHR — UVF
19 Nov — 26 Nov1
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

Thu 3/1211:10 -
1 stop33h 30m
Thu 10/1217:35 -
1 stop34h 55m
Deal found 19/10£658
Sun 15/1118:00 -
1 stop26h 40m
Sun 22/1117:35 -
1 stop34h 55m
Deal found 18/10£661
Thu 3/1209:00 -
2 stops35h 40m
Wed 16/1217:35 -
2 stops23h 25m
Deal found 20/10£675
Sun 29/1118:00 -
1 stop26h 40m
Sun 6/1217:35 -
1 stop34h 55m
Deal found 15/10£680
Thu 5/1113:25 -
2 stops31h 15m
Thu 12/1117:35 -
1 stop34h 55m
Deal found 19/10£685
Sun 22/1111:10 -
1 stop33h 30m
Sun 6/1217:35 -
2 stops33h 35m
Deal found 17/10£685

Find flight deals from Heathrow to Castries

Round-trip from

£658

One-way from

£456

Popular in

June

Cheapest in

September

Average price

£697
Air Canada
  • Air Canada
  • 3/12-10/12
  • 2 total stops
  • 68h 25m total
  • London to Castries
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3/12-31/12
  • 3/12-31/12
  • 3 total stops
  • 56h 55m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
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 London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Mon 7/12

15:00-14:55

1 stop27h 55m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£466

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Tue 1/12

20:50-14:55

3 stops46h 05m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£486

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Mon 30/11

18:00-14:55

1 stop24h 55m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£566

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Thu 26/11

15:00-16:40

1 stop29h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£592

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Wed 25/11

15:00-16:40

1 stop29h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£592

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sun 29/11

15:00-16:40

1 stop29h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£592

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 27/11

09:00-16:40

2 stops59h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£617
Fastest return journey

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 27/11

18:00-13:07

1 stop23h 07m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£661

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Mon 30/11

08:05-15:31

1 stop35h 26m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£720

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Tue 3/11

12:15-16:12

2 stops31h 57m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£777

Flights are sorted by cheapest return flights first.

Deals found on 17/10

Showing 1-10 of 23 resultsSorted by cheapest first
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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

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 £586). Flying from London Heathrow Airport to Castries in June is currently the most expensive (average of £1,011). 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?

Airfare is typical for this route at the moment.

London Heathrow Airport to Castries flights typically cost between £615 and £727 in December.
The cheapest return price found within the last 5 days was £658 on Air Canada (3 Dec–10 Dec).

Reviews of airlines servicing Castries

Read reviews from past customers who have flown with American Airlines and British Airways 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.
American Airlines
7.0
Good
12,180 reviews
Check prices

Comfort

7.1

Food

6.4

Entertainment

6.8

Crew

7.9

Boarding

7.4

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight
American Airlines
7.0
Good
12,180 reviews
American Airlines
7.0
Good
12,180 reviews
Check prices

Comfort

7.1

Food

6.4

Entertainment

6.8

Crew

7.9

Boarding

7.4

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight
British Airways
6.7
Okay
8,266 reviews
American Airlines
7.0
Good
12,180 reviews
Check prices

Comfort

7.1

Food

6.4

Entertainment

6.8

Crew

7.9

Boarding

7.4

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

Related info for your journey

  • 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 2 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 23h 02m. 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 £510, 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. Check Cheapflights for deals on American Airlines for as low as £575. British Airways is 36% 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 £586). Flying from London Heathrow Airport to Castries in June is currently the most expensive (average of £1,011). 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

Alternative routes for Heathrow to Castries

Gatwick to Castries flights
London City to Castries flights
Heathrow to Castries flights
Gatwick to Castries flights

Top 2 airlines flying from Heathrow to Castries

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£510Average£761FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£575Average£868FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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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!

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