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Cheap flights from London Heathrow Airport to Castries from £390

LHR — UVF
27 Sep — 4 Oct1
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

Tue 27/1007:25 -
1 stop35h 47m
Tue 3/1117:32 -
1 stop24h 08m
Deal found 26/8£611
Wed 28/1007:25 -
1 stop35h 47m
Wed 11/1117:15 -
1 stop23h 30m
Deal found 26/8£647
Sat 3/1008:15 -
1 stop36h 19m
Fri 9/1016:39 -
1 stop23h 06m
Deal found 28/8£659
Sun 4/1011:55 -
1 stop32h 38m
Sun 18/1016:39 -
1 stop35h 51m
Deal found 25/8£662
Fri 4/1218:40 -
2 stops50h 00m
Mon 14/1217:40 -
2 stops23h 20m
Deal found 24/8£671
Sat 17/1016:40 -
2 stops26h 00m
Tue 27/1014:55 -
1 stop16h 25m
Deal found 25/8£672
Sat 10/1014:10 -
2 stops29h 10m
Sat 17/1014:42 -
2 stops36h 18m
Deal found 25/8£676
Mon 7/1220:05 -
2 stops48h 35m
Mon 14/1217:40 -
2 stops23h 20m
Deal found 23/8£679
Thu 24/908:15 -
1 stop36h 19m
Mon 28/916:39 -
1 stop23h 06m
Deal found 23/8£680
Mon 14/1216:40 -
2 stops27h 01m
Tue 12/116:05 -
1 stop15h 35m
Deal found 27/8£681
Thu 10/919:25 -
2 stops23h 37m
Thu 24/915:02 -
1 stop16h 33m
Deal found 23/8£682

Find flight deals from Heathrow to Castries

Round-trip from

£611

One-way from

£390

Popular in

December

Cheapest in

May

Average price

£769
JetBlue
  • JetBlue
  • 27/10-3/11
  • 2 total stops
  • 59h 55m total
  • London to Castries
Search Deals
4/9
  • 4/9
  • 3 total stops
  • 45h 30m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£74 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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

Mon 14/12

16:40-13:32

2 stops24h 52m

Castries Hewanorra

Thu 14/1

17:02-08:15

1 stop35h 13m

£681

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sun 13/12

11:10-16:40

1 stop33h 30m

Castries Hewanorra

Mon 18/1

17:40-08:30

1 stop34h 50m

£756

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Thu 17/12

11:45-14:48

1 stop31h 03m

Castries Hewanorra

Sat 16/1

16:05-11:40

1 stop15h 35m

£953
Fastest return journey

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 23/10

18:00-13:31

1 stop24h 31m

Castries Hewanorra

Sat 31/10

12:52-12:00

1 stop19h 08m

£984

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sat 3/10

15:15-14:12

1 stop27h 57m

Castries Hewanorra

Sat 10/10

15:32-13:15

1 stop16h 43m

£1,001

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sun 8/11

10:50-15:05

2 stops32h 15m

Castries Hewanorra

Thu 12/11

16:25-06:50

2 stops34h 25m

£1,001

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sat 10/10

18:00-15:34

2 stops50h 34m

Castries Hewanorra

Sat 17/10

16:25-15:10

2 stops41h 45m

£1,038

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sat 13/2

14:05-15:05

2 stops29h 00m

Castries Hewanorra

Sat 20/2

16:25-11:40

1 stop15h 15m

£1,241
Cheapest one-way

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 4/9

21:10-13:40

3 stops45h 30m

£390
Fastest single journey

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sun 6/9

18:05-13:49

2 stops24h 44m

£426

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 16 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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Castries (average of £495). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £1,199). 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.

Reviews of airlines servicing Castries

Read reviews from past customers who have flown with American Airlines,Air Canada, andBritish 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
7.1
Good
12,022 reviews
Check prices

Comfort

7.2

Crew

7.9

Overall

7.1

Boarding

7.5

Food

6.4

Entertainment

6.8

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
7.1
Good
12,022 reviews
American Airlines
7.1
Good
12,022 reviews
Check prices

Comfort

7.2

Crew

7.9

Overall

7.1

Boarding

7.5

Food

6.4

Entertainment

6.8

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
Air Canada
7.1
Good
11,548 reviews
American Airlines
7.1
Good
12,022 reviews
Check prices

Comfort

7.2

Crew

7.9

Overall

7.1

Boarding

7.5

Food

6.4

Entertainment

6.8

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
8,190 reviews
American Airlines
7.1
Good
12,022 reviews
Check prices

Comfort

7.2

Crew

7.9

Overall

7.1

Boarding

7.5

Food

6.4

Entertainment

6.8

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 3 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 24h 31m. 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 £495, 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 American Airlines and Air Canada - these airlines can fly you to your destination from £564 and £652, respectively. British Airways is 37% 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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Castries (average of £495). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £1,199). 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 3 airlines flying from Heathrow to Castries

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£495Average£757FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£564Average£870FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest£652Average£736FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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