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Cheap flights from London Heathrow Airport to Castries from £456

LHR — UVF
5 Dec — 12 Dec1
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

Sun 8/1111:10 -
1 stop33h 30m
Mon 16/1117:35 -
1 stop34h 55m
Deal found 1/11£646
Wed 2/1213:45 -
2 stops54h 55m
Wed 9/1217:35 -
2 stops23h 25m
Deal found 2/11£649
Wed 18/1115:00 -
1 stop29h 40m
Sun 22/1117:35 -
1 stop34h 55m
Deal found 2/11£652
Thu 3/1213:25 -
2 stops31h 15m
Thu 10/1217:35 -
1 stop32h 55m
Deal found 2/11£661
Thu 26/1115:00 -
1 stop29h 40m
Mon 7/1217:35 -
1 stop34h 55m
Deal found 2/11£664
Sun 6/1218:00 -
1 stop26h 40m
Sun 24/117:35 -
1 stop32h 55m
Deal found 31/10£669

Find flight deals from Heathrow to Castries

Round-trip from

£649

One-way from

£456

Popular in

June

Cheapest in

September

Average price

£672
SWISS
  • SWISS
  • 2/12-9/12
  • 4 total stops
  • 78h 20m total
  • London to Castries
Search Deals
JetBlue
  • JetBlue
  • 10/12-31/12
  • 1 total stop
  • 36h 06m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£66 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 November 2026
Search Deals

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

Fri 29/1

08:05-11:31

1 stop31h 26m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£462

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sat 6/2

12:20-15:34

1 stop31h 14m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£462

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 29/1

06:00-14:55

2 stops36h 55m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£517

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Thu 19/11

09:50-16:02

2 stops34h 12m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£517

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Wed 10/2

12:15-14:55

2 stops30h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£521

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Thu 19/11

15:00-16:40

1 stop29h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£565

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sun 24/1

06:00-16:40

2 stops38h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£568

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 27/11

14:50-14:50

3 stops28h 00m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£569
Fastest return journey

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Wed 18/11

18:00-16:40

1 stop26h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£574

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 27/11

11:10-14:50

1 stop31h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£578

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 18 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

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 £580). Flying from London Heathrow Airport to Castries in June is currently the most expensive (average of £1,000). 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 £623 and £739 in December.
The cheapest return price found within the last 5 days was £649 on SWISS (2 Dec–9 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
12,228 reviews
Check prices

Entertainment

6.8

Boarding

7.4

Comfort

7.2

Crew

7.9

Overall

7.0

Food

6.4

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
12,228 reviews
American Airlines
7.0
Good
12,228 reviews
Check prices

Entertainment

6.8

Boarding

7.4

Comfort

7.2

Crew

7.9

Overall

7.0

Food

6.4

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
8,283 reviews
American Airlines
7.0
Good
12,228 reviews
Check prices

Entertainment

6.8

Boarding

7.4

Comfort

7.2

Crew

7.9

Overall

7.0

Food

6.4

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 25h 23m. 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 £504, 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 £569. British Airways is 35% 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 £580). Flying from London Heathrow Airport to Castries in June is currently the most expensive (average of £1,000). 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£504Average£742FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£569Average£858FlexibilityNo 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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