Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Castries from £371

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — UVF
7 May — 14 May1
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
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 7 April 2026.

Sat 14/1107:25
LHR
-
UVF
1 stop36h 44m
JetBlue
Tue 24/1117:01
UVF
-
LHR
1 stop24h 39m
JetBlue
Deal found 3/4£667
Mon 2/1112:20
LHR
-
UVF
1 stop31h 49m
JetBlue
Mon 16/1117:15
UVF
-
LHR
1 stop23h 30m
JetBlue
Deal found 5/4£693
Thu 29/1007:25
LHR
-
UVF
1 stop35h 49m
JetBlue
Sat 14/1117:15
UVF
-
LHR
1 stop36h 15m
JetBlue
Deal found 7/4£720
Thu 4/608:15
LHR
-
UVF
1 stop36h 20m
JetBlue
Tue 17/1117:15
UVF
-
LHR
1 stop36h 15m
JetBlue
Deal found 5/4£723
Thu 11/607:25
LHR
-
UVF
2 stops35h 45m
Multiple Airlines
Fri 19/615:05
UVF
-
LHR
1 stop15h 45m
Multiple Airlines
Deal found 7/4£724
Mon 7/1212:20
LHR
-
UVF
1 stop30h 37m
JetBlue
Mon 14/1216:57
UVF
-
LHR
1 stop24h 43m
JetBlue
Deal found 6/4£729
Wed 8/417:40
LHR
-
UVF
1 stop26h 45m
Air Canada
Wed 15/416:20
UVF
-
LHR
1 stop35h 15m
Air Canada
Deal found 5/4£729
Fri 17/413:25
LHR
-
UVF
1 stop29h 37m
Multiple Airlines
Thu 30/415:22
UVF
-
LHR
2 stops36h 28m
Multiple Airlines
Deal found 6/4£733
Thu 31/1210:45
LHR
-
UVF
1 stop32h 30m
Delta
Thu 14/116:25
UVF
-
LHR
1 stop36h 35m
Delta
Deal found 6/4£736
Thu 31/1210:45
LHR
-
UVF
1 stop32h 30m
Delta
Sun 10/116:25
UVF
-
LHR
1 stop36h 35m
Delta
Deal found 5/4£737

Find 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 7 April 2026.

Round-trip from

£723

One-way from

£371

Popular in

December

Cheapest in

November

Average price

£766
JetBlue
  • JetBlue
  • 4/6-17/11
  • 2 total stops
  • 72h 35m total
  • London to Castries
Search Deals
16/6
  • 16/6
  • 2 total stops
  • 45h 30m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 7 April 2026.
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
Fastest return journey

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 1/9

18:55-14:08

2 stops24h 13m

Castries Hewanorra

Mon 14/9

15:38-13:15

1 stop16h 37m

£737

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Fri 17/4

11:45-14:02

2 stops31h 17m

Castries Hewanorra

Fri 1/5

15:22-20:10

2 stops23h 48m

£893

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 20/4

09:40-14:02

2 stops33h 22m

Castries Hewanorra

Mon 27/4

15:22-13:15

1 stop16h 53m

£898

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 28/4

11:45-14:02

2 stops31h 17m

Castries Hewanorra

Sun 3/5

15:22-13:15

1 stop16h 53m

£967

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 25/5

11:20-15:35

2 stops33h 15m

Castries Hewanorra

Thu 4/6

14:10-21:05

2 stops25h 55m

£1,057

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 25/5

09:40-14:05

2 stops33h 25m

Castries Hewanorra

Thu 4/6

15:25-13:15

1 stop16h 50m

£1,087

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sat 25/4

11:45-14:02

2 stops31h 17m

Castries Hewanorra

Sat 9/5

15:30-13:15

1 stop16h 45m

£1,092

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 5/5

11:45-14:02

2 stops31h 17m

Castries Hewanorra

Tue 12/5

15:25-13:15

1 stop16h 50m

£1,094
Cheapest one-way

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Fri 12/6

21:10-13:40

2 stops45h 30m

£400

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 28/4

21:10-13:40

3 stops45h 30m

£424

Flights are sorted by cheapest return flights first.

Deals found on 4/4

Showing 1-10 of 18 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
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

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 £509). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £797). 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?

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 7 April 2026.
Read reviews from past customers who have flown with KLM,Finnair, 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
7.7
Good
1,491 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,491 reviews
KLM
7.7
Good
1,491 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Finnair
7.7
Good
1,379 reviews
KLM
7.7
Good
1,491 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
JetBlue
7.2
Good
2,922 reviews
KLM
7.7
Good
1,491 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air Canada
7.1
Good
10,902 reviews
KLM
7.7
Good
1,491 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,859 reviews
KLM
7.7
Good
1,491 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 6 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 24h 13m. The distance from London Heathrow Airport to Castries is about 4217 mi.

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

    Currently priced at £511, 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 JetBlue and Air Canada - these airlines can fly you to your destination from £542 and £645, respectively. British Airways is 38% 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 £509). Flying from London Heathrow Airport to Castries in December is currently the most expensive (average of £797). 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
London City to Castries flights
Heathrow to Castries flights
Gatwick to Castries flights

Top 6 airlines flying from Heathrow to Castries

Discover the top 6 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 7 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£511Average£863FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£542Average£848FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£645Average£756FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£703Average£923FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£719Average£976FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest£1,176Average£1,525FlexibilityNo cancel feeOn-time75%
Search KLM 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.