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Cheap flights from London Heathrow Airport to Castries from £378

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — UVF
6 Sep — 13 Sep1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Castries Hewanorra are usually found in March or February, booked 15 days in advance, depart on a Monday or Tuesday and return on a Thursday

Cheap 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 1 September 2025.

Round-trip from

£597

One-way from

£378

Popular in

August

Cheapest in

March

Average price

£610
Icelandair
  • Icelandair
  • 11/11-18/11
  • 3 total stops
  • 69h 30m total
  • London to Castries
Search Deals
WestJet
  • WestJet
  • 1/12
  • 2 total stops
  • 28h 00m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Heathrow to Castries

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 1 September 2025.

Tue 11/1107:25LHR - UVF
1 stop35h 32mIcelandair
Tue 18/1116:57UVF - LHR
2 stops33h 58mIcelandair
Deal found 1/9£597
Tue 11/1112:20LHR - UVF
1 stop30h 37mJetBlue
Tue 18/1116:57UVF - LHR
1 stop24h 43mJetBlue
Deal found 1/9£598
Wed 22/1008:15LHR - UVF
1 stop35h 05mJetBlue
Sat 22/1118:24UVF - LHR
1 stop22h 21mJetBlue
Deal found 30/8£637
Wed 22/1008:15LHR - UVF
1 stop35h 05mIcelandair
Sat 22/1116:29UVF - LHR
2 stops58h 26mIcelandair
Deal found 30/8£643
Fri 10/1008:15LHR - UVF
1 stop33h 31mJetBlue
Sun 19/1015:34UVF - LHR
1 stop24h 11mJetBlue
Deal found 31/8£644
Mon 1/1219:25LHR - UVF
2 stops49h 00mAir Canada
Mon 8/1217:15UVF - LHR
1 stop14h 05mAir Canada
Deal found 30/8£664
Mon 1/1219:25LHR - UVF
2 stops49h 00mAir Canada
Wed 24/1217:15UVF - LHR
1 stop14h 05mAir Canada
Deal found 1/9£666
Wed 1/1008:15LHR - UVF
1 stop35h 00mJetBlue
Wed 8/1015:19UVF - LHR
1 stop24h 26mJetBlue
Deal found 31/8£667
Wed 1/1008:15LHR - UVF
1 stop35h 00mIcelandair
Wed 8/1015:19UVF - LHR
1 stop24h 26mIcelandair
Deal found 31/8£678
Wed 5/1119:25LHR - UVF
2 stops49h 00mAir Canada
Fri 30/117:15UVF - LHR
1 stop33h 15mAir Canada
Deal found 1/9£678

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 1 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Castries that are best for you.

Fly from

Heathrow

Fly to

Castries

Route

Depart

Return

Price

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 11/11

07:25-14:57

1 stop35h 32m

Castries Hewanorra

Tue 18/11

16:57-06:55

2 stops33h 58m

£597

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 11/11

12:20-14:57

1 stop30h 37m

Castries Hewanorra

Tue 18/11

16:57-21:40

1 stop24h 43m

£598

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 22/10

08:15-14:20

1 stop35h 05m

Castries Hewanorra

Sat 22/11

18:24-20:45

1 stop22h 21m

£637

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 22/10

08:15-14:20

1 stop35h 05m

Castries Hewanorra

Sat 22/11

16:29-06:55

2 stops58h 26m

£643

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Fri 10/10

08:15-12:46

1 stop33h 31m

Castries Hewanorra

Sun 19/10

15:34-20:45

1 stop24h 11m

£644

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 1/12

19:25-16:25

2 stops49h 00m

Castries Hewanorra

Mon 8/12

17:15-11:20

1 stop14h 05m

£664

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 21/1

19:25-16:25

2 stops49h 00m

Castries Hewanorra

Wed 28/1

17:15-11:20

1 stop14h 05m

£664

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 1/10

08:15-14:15

1 stop35h 00m

Castries Hewanorra

Wed 8/10

15:19-20:45

1 stop24h 26m

£667

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 1/10

08:15-14:15

1 stop35h 00m

Castries Hewanorra

Wed 8/10

15:19-20:45

1 stop24h 26m

£678

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 1/12

14:50-14:50

2 stops28h 00m

£378

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 19 results
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

How far ahead should I book a flight from London Heathrow Airport to Castries?

Use this chart to determine the optimal time to book a return flight from Heathrow to Castries. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Castries, you should look to book at least 15 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Castries (average of £328). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £1,100). 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.

What is the cheapest time of day to fly from LHR to UVF?

Find hourly flight availability from Heathrow to Castries. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 September 2025.

It’s optimal to fly from London Heathrow Airport to Castries at midday. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the evening.

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 1 September 2025.
Read reviews from past customers who have flown with KLM, Finnair, andVirgin Atlantic 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
1,382 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,382 reviews
KLM
7.8
Good
1,382 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Finnair
7.6
Good
1,321 reviews
KLM
7.8
Good
1,382 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Virgin Atlantic
7.4
Good
661 reviews
KLM
7.8
Good
1,382 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
10,000 reviews
KLM
7.8
Good
1,382 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.7
Okay
7,336 reviews
KLM
7.8
Good
1,382 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 5 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 30h 37m. 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 £414, Virgin Atlantic will fly you from London Heathrow Airport to Castries and back. In addition to Virgin Atlantic, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Air Canada - these airlines can fly you to your destination from £455 and £514, respectively. Virgin Atlantic is 41% 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Castries (average of £328). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £1,100). 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

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

Top 5 airlines flying from Heathrow to Castries

Discover the top 5 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 1 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£414Average£598FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£455Average£609FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£514Average£639FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£638Average£817FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£677Average£1,304FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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