£1,122+ Flights from Saint Lucia to London Heathrow Airport | Cheapflights

Cheap flight deals from Saint Lucia to Heathrow

Round-trip from	£989
One-way from	£657

Air Canada

Air Canada
4/7-14/7
2 total stops
41h 15m total
Saint Lucia to London

15/5

15/5
1 total stop
15h 30m total
Saint Lucia to London

Find flight deals from Saint Lucia to Heathrow

Cheapest flights from Saint Lucia to Heathrow
Explore the most affordable flight options available from Saint Lucia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.

Fri 4/715:10UVF - LHR

1 stop15h 40mAir Canada

Mon 14/717:40LHR - UVF

1 stop25h 35mAir Canada

Deal found 17/4£989

Sun 1/605:00SLU - LHR

3 stops34h 00mMultiple Airlines

Sun 8/618:50LHR - SLU

2 stops26h 00mMultiple Airlines

Deal found 17/4£1,044

Wed 18/617:40UVF - LHR

2 stops45h 40mIcelandair

Mon 21/721:25LHR - UVF

2 stops46h 23mIcelandair

Deal found 17/4£1,281

Mon 16/614:45UVF - LHR

1 stop14h 50mAmerican Airlines

Mon 30/619:05LHR - UVF

2 stops24h 10mAmerican Airlines

Deal found 16/4£1,440

Fri 1/815:35UVF - LHR

2 stops23h 25mDelta

Sat 23/809:35LHR - UVF

2 stops33h 40mDelta

Deal found 17/4£1,441

Best flights from Saint Lucia to Heathrow
Discover carefully curated flight deals from Saint Lucia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 April 2025.

Fri 4/715:10UVF - LHR

1 stop15h 40mAir Canada

Mon 14/717:40LHR - UVF

1 stop25h 35mAir Canada

Deal found 17/4£989

Sun 1/605:00SLU - LHR

3 stops34h 00mMultiple Airlines

Sun 8/618:50LHR - SLU

2 stops26h 00mMultiple Airlines

Deal found 17/4£1,044

Wed 18/617:40UVF - LHR

2 stops45h 40mIcelandair

Mon 21/721:25LHR - UVF

2 stops46h 23mIcelandair

Deal found 17/4£1,281

Mon 16/614:45UVF - LHR

1 stop14h 50mAmerican Airlines

Mon 30/619:05LHR - UVF

2 stops24h 10mAmerican Airlines

Deal found 16/4£1,440

Fri 1/815:35UVF - LHR

2 stops23h 25mDelta

Sat 23/809:35LHR - UVF

2 stops33h 40mDelta

Deal found 17/4£1,441

Last-minute flights from Saint Lucia to Heathrow
Discover last-minute flight deals from Saint Lucia to Heathrow. Data last updated 18 April 2025 and is based on user searches.

Fri 2/514:45UVF - LHR

2 stops23h 10mFinnair

Tue 6/519:05LHR - UVF

2 stops23h 29mFinnair

Deal found 18/4£1,432

Fri 2/514:45UVF - LHR

1 stop14h 50mAmerican Airlines

Tue 6/511:00LHR - UVF

1 stop32h 11mAmerican Airlines

Deal found 18/4£1,435

One-way flights from Saint Lucia to Heathrow
Search for one-way flight options from Saint Lucia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 April 2025.

Thu 15/509:25SLU - LHR

1 stop15h 30mMultiple Airlines

Deal found 16/4£657

Fri 16/515:10UVF - LHR

2 stops24h 50mAir Canada

Deal found 16/4£686

Thu 15/516:05UVF - LHR

3 stops32h 45mMultiple Airlines

Deal found 16/4£829

Mon 12/515:09UVF - LHR

1 stop24h 36mIcelandair

Deal found 17/4£964

Thu 15/515:26UVF - LHR

1 stop14h 44mDelta

Deal found 16/4£1,196

Fri 16/515:14UVF - LHR

1 stop16h 16mAmerican Airlines

Deal found 16/4£1,204

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 4/7

15:10-11:50

1 stop15h 40m

London Heathrow

Mon 14/7

17:40-14:15

1 stop25h 35m

£989

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Sun 1/6

05:00-20:00

3 stops34h 00m

London Heathrow

Sun 8/6

18:50-15:50

2 stops26h 00m

£1,044

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Wed 18/6

17:40-20:20

2 stops45h 40m

London Heathrow

Mon 21/7

21:25-14:48

2 stops46h 23m

£1,281

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Mon 16/6

14:45-10:35

1 stop14h 50m

London Heathrow

Mon 30/6

19:05-14:15

2 stops24h 10m

£1,440

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 1/8

15:35-20:00

2 stops23h 25m

London Heathrow

Sat 23/8

09:35-14:15

2 stops33h 40m

£1,441

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Thu 15/5

09:25-05:55

1 stop15h 30m

£657

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 16/5

15:10-21:00

2 stops24h 50m

£686

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Thu 15/5

16:05-05:50

3 stops32h 45m

£829

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Mon 12/5

15:09-20:45

1 stop24h 36m

£964

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Thu 15/5

15:26-11:10

1 stop14h 44m

£1,196

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 11 results

1

2

Best time to book a flight from Saint Lucia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Saint Lucia 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 Saint Lucia to London Heathrow Airport

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

Currently, January is the cheapest month in which you can book a flight from Saint Lucia to London Heathrow Airport (average of £112). Flying from Saint Lucia to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0

Very Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.0

Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.0

Good

8.0

Very Good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Saint Lucia to London Heathrow Airport one-way?
One-way options have recently been found by users for as low as £686 on Air Canada. Other airlines that offer cheap prices include Icelandair from £964 and Delta from £1,196 one-way.
Can I find deals for flights from Saint Lucia to Heathrow that include hotel bookings?
Yes. In addition to deals on Saint Lucia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Saint Lucia to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Lucia to Heathrow.
Can I find deals for business class flights from Saint Lucia to Heathrow?
Yes. Cheapflights offers flight deals from Saint Lucia to Heathrow 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 Saint Lucia to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Saint Lucia to London Heathrow Airport (average of £112). Flying from Saint Lucia to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Hounslow

Deal

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Wembley

Northampton

Hayes

Crawley

Southend-on-Sea

Maidstone

Swindon

Ipswich

Southall

Ilford

Winchester

Folkestone

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Saint Lucia to Heathrow

Bridgetown to Heathrow flights

Nassau to Heathrow flights

Kingston to Gatwick flights

Bridgetown to Gatwick flights

Kingston to Heathrow flights

Luis Munoz Marin Intl to Heathrow flights

Nassau to Gatwick flights

Port of Spain to Heathrow flights

George Town to Heathrow flights

Luis Munoz Marin Intl to Gatwick flights

Montego Bay to Heathrow flights

Saint Thomas Island to Heathrow flights

Santo Domingo to Heathrow flights

Santo Domingo to Gatwick flights

Montego Bay to Gatwick flights

Bridgetown to London City flights

Port of Spain to Gatwick flights

Punta Cana to Gatwick flights

St. John's to Gatwick flights

St. George's to Gatwick flights

St. John's to Heathrow flights

St. George's to Heathrow flights

Punta Cana to Heathrow flights

Providenciales to Heathrow flights

Castries to Gatwick flights

George Town to Gatwick flights

Montego Bay to London City flights

Castries to Heathrow flights

Kingston to Stansted flights

Basseterre to Gatwick flights

Montego Bay to Luton flights

Kingstown to Gatwick flights

Castries to London City flights

Nassau to Stansted flights

Havana to Heathrow flights

Simpson Bay to Gatwick flights

Simpson Bay to Heathrow flights

Direct flights to England

Direct flights to London

Direct flights to Manchester

Direct flights to Birmingham

Direct flights to Newcastle upon Tyne

Direct flights to Newquay

Direct flights to Bristol

Direct flights to Liverpool

Direct flights to Leeds

Direct flights to Exeter

Direct flights to East Midlands

Direct flights to Bournemouth

Direct flights to Darlington

Direct flights to Grimsby

Other flights to Heathrow

London Heathrow Airport to Santiago de Compostela flights

London Heathrow Airport to Bilbao flights

London Heathrow Airport to Paris Orly Airport flights

London Heathrow Airport to Newcastle upon Tyne flights

London Heathrow Airport to Manchester flights

London Heathrow Airport to Santiago de Compostela flights

London Heathrow Airport to Aberdeen flights

London Heathrow Airport to Inverness flights

London Heathrow Airport to Edinburgh flights

London Heathrow Airport to Glasgow Intl Airport flights

London Heathrow Airport to Duesseldorf Intl Airport flights

London Heathrow Airport to Belfast City Airport flights

London Heathrow Airport to Knock flights

London Heathrow Airport to Barcelona-El Prat Airport flights

London Heathrow Airport to Salzburg flights

London Heathrow Airport to Naples flights

London Heathrow Airport to Shannon, Clare flights

London Heathrow Airport to Nice flights

Top 2 airlines flying from Saint Lucia to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£462	Average£730	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£580	Average£708	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

How does Cheapflights help users find flights from Saint Lucia to Heathrow?

Cheapflights makes it easy to find Saint Lucia to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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 Heathrow from Saint Lucia.

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

Need flexible booking options for your flight to Heathrow from Saint Lucia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Saint Lucia to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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.