Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Castries from £428

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — UVF
16 Apr — 23 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Castries Hewanorra are usually found in March or June, booked 15 days in advance, depart on a Monday or Thursday 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 11 April 2025.

Round-trip from

£574

One-way from

£428

Popular in

December

Cheapest in

March

Average price

£661
Air Canada
  • Air Canada
  • 1/10-29/10
  • 3 total stops
  • 65h 50m total
  • London to Castries
Search Deals
WestJet
  • WestJet
  • 22/4
  • 3 total stops
  • 52h 34m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 11 April 2025.

Mon 1/1210:30LHR - UVF
2 stops33h 30mMultiple Airlines
Mon 15/1217:05UVF - LHR
1 stop14h 45mMultiple Airlines
Deal found 10/4£525
Tue 18/1118:00LHR - UVF
1 stop26h 00mAir Canada
Tue 25/1117:05UVF - LHR
1 stop33h 25mAir Canada
Deal found 10/4£536
Sat 19/413:05LHR - UVF
1 stop29h 54mDelta
Thu 1/515:19UVF - LHR
1 stop17h 11mDelta
Deal found 10/4£708
Fri 9/512:30LHR - UVF
1 stop29h 30mAmerican Airlines
Wed 14/514:34UVF - LHR
1 stop15h 01mAmerican Airlines
Deal found 10/4£711
Tue 13/508:15LHR - UVF
1 stop34h 34mIcelandair
Tue 20/515:09UVF - LHR
2 stops58h 21mIcelandair
Deal found 10/4£716
Tue 6/519:05LHR - UVF
2 stops23h 29mFinnair
Tue 13/515:14UVF - LHR
2 stops33h 36mFinnair
Deal found 10/4£755
Fri 24/1012:15LHR - UVF
2 stops30h 16mUnited Airlines
Sat 1/1112:52UVF - LHR
1 stop18h 23mUnited Airlines
Deal found 10/4£952
Mon 5/515:15LHR - UVF
1 stop27h 44mKLM
Mon 12/515:26UVF - LHR
1 stop17h 04mKLM
Deal found 10/4£1,030

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 11 April 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

Wed 1/10

17:10-14:15

2 stops50h 05m

Castries Hewanorra

Wed 29/10

16:05-11:50

1 stop15h 45m

£574

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 6/5

10:55-14:06

2 stops32h 11m

Castries Hewanorra

Tue 13/5

15:26-13:30

1 stop17h 04m

£708

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Fri 9/5

12:30-13:00

1 stop29h 30m

Castries Hewanorra

Wed 14/5

14:34-10:35

1 stop15h 01m

£711

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 13/5

08:15-13:49

1 stop34h 34m

Castries Hewanorra

Tue 20/5

15:09-06:30

2 stops58h 21m

£716

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 6/5

19:05-13:34

2 stops23h 29m

Castries Hewanorra

Tue 13/5

15:14-05:50

2 stops33h 36m

£755

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 30/4

07:40-13:45

2 stops35h 05m

Castries Hewanorra

Tue 12/8

15:10-08:05

3 stops35h 55m

£1,013

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 5/5

15:15-13:59

1 stop27h 44m

Castries Hewanorra

Mon 12/5

15:26-13:30

1 stop17h 04m

£1,030

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 22/4

14:10-13:44

3 stops52h 34m

£428

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 30/6

14:05-14:15

2 stops29h 10m

£501

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 22/4

19:45-13:44

3 stops46h 59m

£527

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 12 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 4 April 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 11 April 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.

What is the cheapest day to fly from London Heathrow Airport to Castries?

Use this chart to determine the cheapest time to fly return from Heathrow to Castries. Price data was last updated on 30 March 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Castries flight should consider departing on Monday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 11 April 2025.
To help decide which airline to fly from London to Castries, see what other customers have to say about Delta, KLM and Finnair. 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.
Delta
8.0
Very Good
7,910 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,910 reviews
Delta
8.0
Very Good
7,910 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very Good
7,910 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,910 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,910 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
WestJet
7.2
Good
2,802 reviews
Delta
8.0
Very Good
7,910 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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 £574, Air Canada will fly you from London Heathrow Airport to Castries and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from £708 and £711, respectively. Air Canada is 17% 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 £428 on WestJet. Other airlines that offer cheap prices include Air Canada from £501 and KLM from £764 one-way.

  • What are the cheapest flights from London Heathrow Airport to Castries?

    The cheapest flight price from London Heathrow Airport to Castries is £523. On average you can expect to pay £539. The most popular route, (London Heathrow - Castries Hewanorra), can usually be booked for £533.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Heathrow to Castries flights
London City 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 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£450Average£658FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£477Average£680FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£532Average£1,367FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£534Average£611FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£668Average£856FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights