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Cheap flights from London Heathrow Airport to Castries from £379

LHR — UVF
21 Oct — 28 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

Thu 29/1010:50 -
1 stop31h 22m
Wed 11/1116:25 -
1 stop34h 00m
Deal found 18/9£549
Mon 2/1118:00 -
1 stop24h 55m
Tue 10/1115:55 -
1 stop15h 25m
Deal found 19/9£632
Wed 2/1209:00 -
2 stops35h 40m
Wed 9/1217:35 -
1 stop34h 55m
Deal found 21/9£642
Thu 5/1113:25 -
2 stops31h 15m
Thu 12/1117:35 -
1 stop32h 55m
Deal found 21/9£652
Mon 2/1118:00 -
1 stop24h 55m
Sat 14/1115:50 -
1 stop15h 30m
Deal found 21/9£654
Sat 7/1108:05 -
1 stop36h 07m
Sat 21/1117:31 -
1 stop35h 59m
Deal found 19/9£660
Tue 3/1107:25 -
1 stop36h 47m
Fri 13/1117:32 -
1 stop24h 08m
Deal found 20/9£661
Mon 7/1211:10 -
2 stops57h 30m
Mon 14/1217:35 -
1 stop34h 55m
Deal found 20/9£673
Tue 13/1014:10 -
2 stops28h 32m
Tue 20/1016:04 -
2 stops33h 21m
Deal found 18/9£676

Find flight deals from Heathrow to Castries

Round-trip from

£549

One-way from

£379

Popular in

December

Cheapest in

May

Average price

£584
KLM
  • KLM
  • 29/10-11/11
  • 2 total stops
  • 65h 22m total
  • London to Castries
Search Deals
25/11-31/12
  • 25/11-31/12
  • 2 total stops
  • 30h 40m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£91 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 September 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

Tue 3/11

07:25-16:12

1 stop36h 47m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£397

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Wed 13/1

08:15-14:55

2 stops34h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£414

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sun 7/2

19:55-14:55

2 stops47h 00m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£420
Fastest return journey

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Wed 25/11

18:00-14:55

1 stop24h 55m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£461

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sat 10/10

14:10-13:40

3 stops28h 30m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£561

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sun 1/11

18:00-16:40

1 stop26h 40m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£596

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Tue 3/11

14:50-14:55

2 stops52h 05m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£602

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Sat 31/10

14:50-14:55

2 stops28h 05m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£642

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Fri 9/10

07:45-13:31

1 stop34h 46m

Castries Hewanorra

Wed 31/12

00:00-05:00

Nonstop0h 00m

£667

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Thu 29/10

20:10-14:12

2 stops22h 02m

Castries Hewanorra

Wed 11/11

16:25-11:40

1 stop15h 15m

£855

Flights are sorted by cheapest return flights first.

Deals found on 19/9

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 £503). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £1,218). 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 below average for this route at the moment.

London Heathrow Airport to Castries flights typically cost between £599 and £755 in October.
The cheapest return price found within the last 5 days was £549 on KLM (29 Oct–11 Nov).

Reviews of airlines servicing Castries

Read reviews from past customers who have flown with Air Canada,American Airlines, 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.
Air Canada
7.1
Good
11,662 reviews
Check prices

Overall

7.1

Boarding

7.3

Food

6.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

YWG - YVR

Once we got on the plane everything was good. BUT a 3 hour delay was unacceptable. Will not fly Air Canada if I can help it.
Air Canada
7.1
Good
11,662 reviews
Air Canada
7.1
Good
11,662 reviews
Check prices

Overall

7.1

Boarding

7.3

Food

6.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

YWG - YVR

Once we got on the plane everything was good. BUT a 3 hour delay was unacceptable. Will not fly Air Canada if I can help it.
American Airlines
7.0
Good
12,075 reviews
Air Canada
7.1
Good
11,662 reviews
Check prices

Overall

7.1

Boarding

7.3

Food

6.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

YWG - YVR

Once we got on the plane everything was good. BUT a 3 hour delay was unacceptable. Will not fly Air Canada if I can help it.
British Airways
6.7
Okay
8,226 reviews
Air Canada
7.1
Good
11,662 reviews
Check prices

Overall

7.1

Boarding

7.3

Food

6.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

YWG - YVR

Once we got on the plane everything was good. BUT a 3 hour delay was unacceptable. Will not fly Air Canada if I can help it.

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 22h 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 £503, 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 £573 and £662, respectively. 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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Castries (average of £503). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £1,218). 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£503Average£769FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£573Average£864FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest£662Average£747FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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.

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