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Cheap flights from London Heathrow Airport to Castries from £459

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — UVF
23 Jul — 30 Jul1
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 Wednesday 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 18 July 2025.

Round-trip from

£583

One-way from

£459

Popular in

December

Cheapest in

March

Average price

£892
Icelandair
  • Icelandair
  • 26/9-5/10
  • 3 total stops
  • 57h 31m total
  • London to Castries
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Air Canada
  • Air Canada
  • 8/11
  • 2 total stops
  • 59h 35m total
  • London to Castries
Search Deals
High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in July 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 18 July 2025.

Fri 26/908:25LHR - UVF
2 stops33h 21mIcelandair
Sun 5/1015:35UVF - LHR
1 stop24h 10mIcelandair
Deal found 16/7£583
Wed 15/1011:05LHR - UVF
2 stops56h 10mAir Canada
Mon 27/1016:15UVF - LHR
1 stop34h 15mAir Canada
Deal found 17/7£590
Tue 11/1107:25LHR - UVF
1 stop35h 31mJetBlue
Tue 18/1116:55UVF - LHR
1 stop23h 50mJetBlue
Deal found 16/7£593

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 18 July 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

Fri 26/9

08:25-12:46

2 stops33h 21m

Castries Hewanorra

Sun 5/10

15:35-20:45

1 stop24h 10m

£583

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 15/10

11:05-14:15

2 stops56h 10m

Castries Hewanorra

Mon 27/10

16:15-06:30

1 stop34h 15m

£590

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 11/11

07:25-14:56

1 stop35h 31m

Castries Hewanorra

Tue 18/11

16:55-20:45

1 stop23h 50m

£593

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sat 8/11

08:50-16:25

2 stops59h 35m

£459

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 15/10

22:15-14:15

3 stops45h 00m

£461

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Fri 19/9

09:30-13:31

1 stop33h 01m

£589

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Fri 19/9

12:15-13:31

2 stops30h 16m

£606

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sat 8/11

14:50-14:50

3 stops28h 00m

£774

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 15/10

15:15-14:17

1 stop28h 02m

£801

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 30/7

08:15-14:27

1 stop35h 12m

£953

Flights are sorted by cheapest return flights first.

Deals found on 17/7

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 11 July 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 £1,095). 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 18 July 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.

How much does it cost for a return flight from London Heathrow Airport to Castries?

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 18 July 2025.
Read reviews from past customers who have flown with KLM, United Airlines, andJetBlue 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
1,374 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

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
1,374 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

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.
United Airlines
7.4
Good
8,865 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

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.
JetBlue
7.3
Good
2,907 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

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.
WestJet
7.2
Good
2,950 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

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
9,743 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

Crew

8.4

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.

  • What are the cheapest airlines flying from London Heathrow Airport to Castries round-trip?

    Currently priced at £583, Icelandair will fly you from London Heathrow Airport to Castries and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and JetBlue - these airlines can fly you to your destination from £590 and £593, respectively. Icelandair is 18% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Castries one-way?

    One-way options have recently been found by users for as low as £459 on Air Canada. Other airlines that offer cheap prices include United Airlines from £589 and Lufthansa from £606 one-way.

  • 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 £1,095). 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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£430Average£608FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£452Average£616FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£515Average£622FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£643Average£825FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£683Average£1,317FlexibilityNo 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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