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

Currently priced at £627, 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 Icelandair and American Airlines - these airlines can fly you to your destination from £632 and £705, respectively. Air Canada is 6% 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 £506 on Air Canada. Other airlines that offer cheap prices include WestJet from £634 and KLM from £779 one-way.

What are the most popular airlines that fly from London Heathrow Airport to Castries?

Air Canada, Finnair and British Airways are the most popular airlines when flying from London Heathrow Airport to Castries.

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

Friday flights are found to be more expensive to fly from London Heathrow Airport to Castries. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Castries.

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

The best pricing can be found in the month of September. Prices to Castries from London Heathrow Airport average £612. You can even find prices in September for less than £612, as users have found deals to Castries from as low as £411. The month of December appears to be one of the more expensive times to travel to Castries from London Heathrow Airport. Flying in the targeted month can save you up to 60%.

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.

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.

£357+ Flights from London Heathrow Airport to Castries

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

Round-trip from	£627
One-way from	£357
Popular in	December
Cheapest in	March
Average price	£637

Air Canada
31/8-30/9
3 total stops
71h 50m total
London to Castries

Search Deals

13/6
3 total stops
45h 35m total
London to Castries

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£40 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£22 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 30 April 2025.

Wed 3/1219:25LHR - UVF

2 stops48h 35mAir Canada

Wed 17/1217:05UVF - LHR

1 stop33h 25mAir Canada

Deal found 29/4£614

Mon 8/911:55LHR - UVF

1 stop31h 04mIcelandair

Mon 22/915:05UVF - LHR

1 stop24h 40mIcelandair

Deal found 29/4£632

Mon 9/617:40LHR - UVF

1 stop25h 35mMultiple Airlines

Sun 22/614:35UVF - LHR

2 stops34h 55mMultiple Airlines

Deal found 29/4£668

Thu 11/919:05LHR - UVF

2 stops23h 38mAmerican Airlines

Sat 27/915:34UVF - LHR

1 stop34h 21mAmerican Airlines

Deal found 29/4£705

Mon 12/516:05LHR - UVF

2 stops27h 01mDelta

Thu 5/615:26UVF - LHR

2 stops40h 09mDelta

Deal found 29/4£706

Tue 6/519:05LHR - UVF

2 stops24h 06mFinnair

Tue 13/515:14UVF - LHR

2 stops36h 01mFinnair

Deal found 29/4£802

Wed 23/710:05LHR - UVF

2 stops33h 15mBritish Airways

Wed 30/715:20UVF - LHR

2 stops35h 45mBritish Airways

Deal found 29/4£889

Sat 7/611:20LHR - UVF

2 stops31h 29mTurkish Airlines

Sun 15/615:30UVF - LHR

2 stops37h 20mTurkish Airlines

Deal found 29/4£920

Sat 13/915:15LHR - UVF

1 stop28h 08mKLM

Sat 20/915:43UVF - LHR

1 stop14h 27mKLM

Deal found 29/4£1,047

Best flights from Heathrow to Castries
Discover carefully curated flight deals from Heathrow to Castries that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Sun 31/811:05LHR - UVF

2 stops56h 10mAir Canada

Tue 30/915:10UVF - LHR

1 stop15h 40mAir Canada

Deal found 29/4£627

Mon 8/911:55LHR - UVF

1 stop31h 04mIcelandair

Mon 22/915:05UVF - LHR

1 stop24h 40mIcelandair

Deal found 29/4£632

Mon 9/617:40LHR - UVF

1 stop25h 35mMultiple Airlines

Sun 22/614:35UVF - LHR

2 stops34h 55mMultiple Airlines

Deal found 29/4£668

Thu 11/919:05LHR - UVF

2 stops23h 38mAmerican Airlines

Sat 27/915:34UVF - LHR

2 stops23h 11mAmerican Airlines

Deal found 29/4£705

Mon 12/516:05LHR - UVF

2 stops27h 01mDelta

Thu 5/615:26UVF - LHR

2 stops40h 09mDelta

Deal found 29/4£706

Wed 20/816:20LHR - UVF

2 stops26h 55mFinnair

Sat 20/915:34UVF - LHR

2 stops34h 16mFinnair

Deal found 29/4£805

Wed 23/710:05LHR - UVF

2 stops33h 15mBritish Airways

Wed 30/715:20UVF - LHR

2 stops35h 45mBritish Airways

Deal found 29/4£889

Sat 7/611:20LHR - UVF

2 stops31h 29mTurkish Airlines

Sun 15/615:30UVF - LHR

2 stops37h 20mTurkish Airlines

Deal found 29/4£920

Sat 13/915:15LHR - UVF

1 stop28h 08mKLM

Sat 20/915:43UVF - LHR

1 stop14h 27mKLM

Deal found 29/4£1,047

Last-minute flights from Heathrow to Castries
Discover last-minute flight deals from Heathrow to Castries. Data last updated 30 April 2025 and is based on user searches.

Tue 29/415:15LHR - UVF

1 stop27h 44mKLM

Tue 13/515:26UVF - LHR

1 stop17h 04mKLM

Deal found 29/4£1,110

Tue 6/519:05LHR - UVF

2 stops24h 06mFinnair

Tue 13/515:14UVF - LHR

2 stops36h 01mFinnair

Deal found 29/4£802

Tue 6/511:45LHR - UVF

2 stops31h 21mKLM

Tue 20/515:26UVF - LHR

2 stops21h 09mKLM

Deal found 29/4£1,180

Wed 7/508:25LHR - UVF

2 stops58h 24mIcelandair

Tue 20/515:09UVF - LHR

2 stops58h 21mIcelandair

Deal found 29/4£785

Wed 7/516:05LHR - UVF

2 stops27h 01mDelta

Sun 18/515:26UVF - LHR

2 stops36h 24mDelta

Deal found 29/4£867

Thu 8/515:00LHR - UVF

1 stop28h 11mAmerican Airlines

Thu 15/515:14UVF - LHR

1 stop16h 16mAmerican Airlines

Deal found 29/4£804

Thu 8/508:30LHR - UVF

1 stop34h 45mAir Canada

Fri 16/515:10UVF - LHR

2 stops34h 10mAir Canada

Deal found 29/4£2,067

Mon 12/509:30LHR - UVF

2 stops33h 45mAir Canada

Tue 3/615:10UVF - LHR

1 stop15h 40mAir Canada

Deal found 29/4£683

Mon 12/516:05LHR - UVF

2 stops27h 01mDelta

Thu 5/615:26UVF - LHR

2 stops40h 09mDelta

Deal found 29/4£706

Mon 12/513:55LHR - UVF

3 stops29h 20mMultiple Airlines

Tue 3/615:10UVF - LHR

2 stops34h 20mMultiple Airlines

Deal found 29/4£1,421

Tue 13/508:15LHR - UVF

1 stop34h 34mIcelandair

Tue 20/515:09UVF - LHR

2 stops58h 21mIcelandair

Deal found 29/4£644

Sun 25/519:05LHR - UVF

2 stops24h 06mBritish Airways

Sun 1/615:14UVF - LHR

2 stops34h 41mBritish Airways

Deal found 29/4£946

One-way flights from Heathrow to Castries
Search for one-way flight options from Heathrow to Castries. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Fri 13/621:10LHR - UVF

3 stops45h 35mMultiple Airlines

Deal found 29/4£357

Mon 15/915:50LHR - UVF

1 stop27h 25mAir Canada

Deal found 29/4£506

Sat 17/514:10LHR - UVF

2 stops28h 35mWestJet

Deal found 29/4£634

Fri 13/613:05LHR - UVF

1 stop30h 11mKLM

Deal found 29/4£779

Sat 17/508:15LHR - UVF

1 stop34h 34mIcelandair

Deal found 29/4£828

Wed 2/713:05LHR - UVF

1 stop30h 11mDelta

Deal found 29/4£1,358

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

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sun 31/8

11:05-14:15

2 stops56h 10m

Castries Hewanorra

Tue 30/9

15:10-11:50

1 stop15h 40m

£627

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 8/9

11:55-13:59

1 stop31h 04m

Castries Hewanorra

Mon 22/9

15:05-20:45

1 stop24h 40m

£632

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 9/6

17:40-14:15

1 stop25h 35m

Castries Hewanorra

Sun 22/6

14:35-06:30

2 stops34h 55m

£668

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 11/9

09:55-13:43

1 stop32h 48m

Castries Hewanorra

Sat 27/9

15:34-06:55

1 stop34h 21m

£705

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 12/5

16:05-14:06

2 stops27h 01m

Castries Hewanorra

Thu 5/6

15:26-12:35

2 stops40h 09m

£706

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 20/8

16:20-14:15

2 stops26h 55m

Castries Hewanorra

Sat 20/9

15:34-06:50

2 stops34h 16m

£805

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 23/7

10:05-14:20

2 stops33h 15m

Castries Hewanorra

Wed 30/7

15:20-08:05

2 stops35h 45m

£889

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sat 7/6

11:20-13:49

2 stops31h 29m

Castries Hewanorra

Sun 15/6

15:30-09:50

2 stops37h 20m

£920

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sat 13/9

15:15-14:23

1 stop28h 08m

Castries Hewanorra

Sat 20/9

15:43-11:10

1 stop14h 27m

£1,047

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Fri 13/6

21:10-13:45

3 stops45h 35m

£357

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 15 results

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?

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?

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?

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

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

7,936 reviews

Check prices

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

7,936 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

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

1,333 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

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

1,273 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

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

Turkish Airlines

7.3

Good

3,788 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

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

7,936 reviews

Check prices

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

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 £627, 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 Icelandair and American Airlines - these airlines can fly you to your destination from £632 and £705, respectively. Air Canada is 6% 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 £506 on Air Canada. Other airlines that offer cheap prices include WestJet from £634 and KLM from £779 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 £1,100). 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

Alternative routes for Heathrow to Castries

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

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£433	Average£635	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£459	Average£656	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£513	Average£1,316	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air Canada	Cheapest£514	Average£622	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Finnair	Cheapest£643	Average£824	FlexibilityNo cancel fee	On-time76%	Search Finnair 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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Cheap flights from London Heathrow Airport to Castries from £357

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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to Castries

Cheapest flights from Heathrow to CastriesExplore 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 30 April 2025.

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 30 April 2025.

Cheapflights Fare Finder

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

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.

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 25 April 2025.

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

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 30 April 2025.

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.

Reviews of airlines servicing Castries

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.

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?

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

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

Can I find deals for flights from Heathrow to Castries that include hotel bookings?

How can I find direct flights from Heathrow to Castries?

Can I find deals for business class flights from Heathrow to Castries?

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

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.

Top 5 airlines flying from Heathrow to Castries

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?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Castries?

Can Cheapflights find flights from Heathrow to Castries with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Castries become cheaper?

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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 30 April 2025.