£964+ Flights from Saint Lucia to London Heathrow Airport | Cheapflights

Cheap flight deals from Saint Lucia to Heathrow

Round-trip from	£682
One-way from	£402

Air Canada

Air Canada
19/9-29/9
2 total stops
69h 10m total
Saint Lucia to London

17/8

17/8
2 total stops
38h 45m 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 3 July 2025.

Fri 19/915:10UVF - LHR

1 stop34h 25mAir Canada

Mon 29/908:30LHR - UVF

1 stop34h 45mAir Canada

Deal found 1/7£682

Mon 25/817:31UVF - LHR

2 stops31h 59mIcelandair

Mon 29/908:25LHR - UVF

2 stops34h 20mIcelandair

Deal found 3/7£852

Fri 19/913:55SLU - LHR

1 stop12h 55mMultiple Airlines

Mon 29/908:05LHR - SLU

1 stop14h 25mMultiple Airlines

Deal found 1/7£854

Fri 5/915:10UVF - LHR

1 stop34h 25mMultiple Airlines

Sat 27/915:50LHR - UVF

2 stops32h 35mMultiple Airlines

Deal found 1/7£920

Sat 13/1215:05UVF - LHR

1 stop17h 00mAmerican Airlines

Wed 31/1219:00LHR - UVF

2 stops23h 45mAmerican Airlines

Deal found 2/7£950

Sun 17/814:55UVF - LHR

1 stop16h 35mFinnair

Sun 24/809:45LHR - UVF

2 stops33h 50mFinnair

Deal found 3/7£1,388

Sun 13/715:40UVF - LHR

1 stop16h 50mDelta

Sun 24/817:25LHR - UVF

1 stop25h 50mDelta

Deal found 2/7£1,410

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 3 July 2025.

Fri 19/915:10UVF - LHR

1 stop34h 25mAir Canada

Mon 29/908:30LHR - UVF

1 stop34h 45mAir Canada

Deal found 1/7£682

Mon 25/817:31UVF - LHR

2 stops31h 59mIcelandair

Mon 29/908:25LHR - UVF

2 stops34h 20mIcelandair

Deal found 3/7£852

Fri 19/913:55SLU - LHR

1 stop12h 55mMultiple Airlines

Mon 29/908:05LHR - SLU

1 stop14h 25mMultiple Airlines

Deal found 1/7£854

Sat 13/1215:05UVF - LHR

1 stop17h 00mAmerican Airlines

Wed 31/1219:00LHR - UVF

2 stops23h 45mAmerican Airlines

Deal found 2/7£950

Sun 17/814:55UVF - LHR

1 stop16h 35mFinnair

Sun 24/809:45LHR - UVF

2 stops33h 50mFinnair

Deal found 3/7£1,388

Sun 13/715:40UVF - LHR

1 stop16h 50mDelta

Sun 24/817:25LHR - UVF

1 stop25h 50mDelta

Deal found 2/7£1,410

Fri 5/915:10UVF - LHR

1 stop34h 25mMultiple Airlines

Sat 27/915:50LHR - UVF

2 stops32h 35mMultiple Airlines

Deal found 1/7£920

Last-minute flights from Saint Lucia to Heathrow
Discover last-minute flight deals from Saint Lucia to Heathrow. Data last updated 3 July 2025 and is based on user searches.

Sat 12/718:20SLU - LHR

3 stops32h 40mMultiple Airlines

Sat 26/710:35LHR - SLU

3 stops30h 10mMultiple Airlines

Deal found 2/7£1,334

Sat 12/715:00UVF - LHR

1 stop14h 35mAmerican Airlines

Sat 26/719:05LHR - UVF

2 stops23h 55mAmerican Airlines

Deal found 2/7£1,399

Sun 13/715:40UVF - LHR

1 stop16h 50mDelta

Sun 24/817:25LHR - UVF

1 stop25h 50mDelta

Deal found 2/7£1,410

Sun 17/814:35UVF - LHR

2 stops22h 10mMultiple Airlines

Sun 24/809:30LHR - UVF

2 stops57h 45mMultiple Airlines

Deal found 3/7£1,065

Sun 17/814:55UVF - LHR

1 stop16h 35mFinnair

Sun 24/809:45LHR - UVF

2 stops33h 50mFinnair

Deal found 3/7£1,388

Sun 17/814:55UVF - LHR

1 stop16h 35mAmerican Airlines

Sun 24/811:00LHR - UVF

1 stop31h 45mAmerican Airlines

Deal found 3/7£1,390

Mon 25/817:31UVF - LHR

2 stops31h 59mIcelandair

Mon 29/908:25LHR - UVF

2 stops34h 20mIcelandair

Deal found 3/7£852

Mon 25/817:30SLU - LHR

3 stops31h 55mMultiple Airlines

Mon 29/916:35LHR - SLU

3 stops45h 55mMultiple Airlines

Deal found 3/7£1,018

Fri 29/815:10UVF - LHR

2 stops24h 50mAir Canada

Sun 7/915:10LHR - UVF

2 stops52h 05mAir Canada

Deal found 2/7£1,080

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 3 July 2025.

Sun 17/814:35UVF - LHR

2 stops38h 45mMultiple Airlines

Deal found 2/7£402

Sat 30/813:36UVF - LHR

1 stop14h 54mJetBlue

Deal found 2/7£478

Fri 5/915:10UVF - LHR

1 stop15h 40mAir Canada

Deal found 2/7£523

Sun 20/712:30SLU - LHR

3 stops29h 25mMultiple Airlines

Deal found 1/7£537

Sat 30/814:35UVF - LHR

2 stops34h 45mUnited Airlines

Deal found 2/7£776

Thu 21/814:55UVF - LHR

1 stop16h 35mAmerican Airlines

Deal found 2/7£1,048

Mon 14/715:40UVF - LHR

1 stop16h 50mDelta

Deal found 30/6£1,158

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 19/9

15:10-06:35

1 stop34h 25m

London Heathrow

Mon 29/9

08:30-14:15

1 stop34h 45m

£682

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Mon 25/8

17:31-06:30

2 stops31h 59m

London Heathrow

Mon 29/9

08:25-13:45

2 stops34h 20m

£852

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Fri 19/9

13:55-07:50

1 stop12h 55m

London Heathrow

Mon 29/9

08:05-17:30

1 stop14h 25m

£854

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 5/9

15:10-06:35

1 stop34h 25m

London Heathrow

Sat 27/9

15:50-19:25

2 stops32h 35m

£920

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 13/12

15:05-12:05

1 stop17h 00m

London Heathrow

Wed 31/12

19:00-14:45

2 stops23h 45m

£950

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 17/8

14:55-12:30

1 stop16h 35m

London Heathrow

Sun 24/8

09:45-14:35

2 stops33h 50m

£1,388

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 13/7

15:40-13:30

1 stop16h 50m

London Heathrow

Sun 24/8

17:25-14:15

1 stop25h 50m

£1,410

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 17/8

14:35-10:20

2 stops38h 45m

£402

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 30/8

13:36-09:30

1 stop14h 54m

£478

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 5/9

15:10-11:50

1 stop15h 40m

£523

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 14 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.

Reviews of airlines servicing Heathrow

See what other customers who have flown with Delta, Finnair, andUnited Airlines from Saint Lucia to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

7.6

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.

United Airlines

7.4

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.

7.3

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.

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 £478 on JetBlue. Other airlines that offer cheap prices include Air Canada from £523 and United Airlines from £776 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

Croydon

Milton Keynes

Deal

Northampton

Gatwick

Luton

Slough

Wembley

Crawley

Eastbourne

Ilford

Hayes

Folkestone

Southend-on-Sea

Watford

Ipswich

Winchester

Swindon

Maidstone

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Saint Lucia to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£562	Average£685	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£669	Average£737	FlexibilityNo cancel fee	On-time70%	Search British Airways 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.

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