£492+ Flights from Saint Lucia to London Heathrow Airport | Cheapflights

Cheap flight deals from Saint Lucia to Heathrow

Round-trip from	£673
One-way from	£492

Icelandair

Icelandair
5/9-26/9
3 total stops
57h 46m total
Saint Lucia to London

JetBlue

JetBlue
25/7
1 total stop
22h 14m 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 11 July 2025.

Fri 5/915:20UVF - LHR

1 stop24h 25mIcelandair

Fri 26/908:25LHR - UVF

2 stops33h 21mIcelandair

Deal found 9/7£673

Thu 20/1115:40UVF - LHR

2 stops41h 10mMultiple Airlines

Wed 3/1208:15LHR - UVF

2 stops34h 33mMultiple Airlines

Deal found 9/7£951

Thu 20/1116:35UVF - LHR

1 stop15h 30mAmerican Airlines

Wed 3/1219:00LHR - UVF

2 stops23h 55mAmerican Airlines

Deal found 9/7£955

Mon 4/813:10SLU - LHR

3 stops25h 50mMultiple Airlines

Mon 8/922:15LHR - SLU

3 stops40h 15mMultiple Airlines

Deal found 10/7£1,277

Sun 30/1117:15UVF - LHR

2 stops23h 20mAir Canada

Wed 17/1214:50LHR - UVF

2 stops53h 35mAir Canada

Deal found 9/7£1,336

Sun 24/814:55UVF - LHR

1 stop16h 35mFinnair

Sun 31/817:00LHR - UVF

2 stops26h 35mFinnair

Deal found 10/7£1,402

Sun 13/715:40UVF - LHR

1 stop16h 50mDelta

Sun 24/817:25LHR - UVF

1 stop25h 50mDelta

Deal found 10/7£1,419

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 11 July 2025.

Fri 5/915:20UVF - LHR

1 stop24h 25mIcelandair

Fri 26/908:25LHR - UVF

2 stops33h 21mIcelandair

Deal found 9/7£673

Thu 20/1115:40UVF - LHR

2 stops41h 10mMultiple Airlines

Wed 3/1208:15LHR - UVF

2 stops34h 33mMultiple Airlines

Deal found 9/7£951

Thu 20/1116:35UVF - LHR

1 stop15h 30mAmerican Airlines

Wed 3/1219:00LHR - UVF

2 stops23h 55mAmerican Airlines

Deal found 9/7£955

Sun 30/1117:15UVF - LHR

2 stops23h 20mAir Canada

Wed 17/1214:50LHR - UVF

2 stops53h 35mAir Canada

Deal found 9/7£1,336

Sun 24/814:55UVF - LHR

1 stop16h 35mFinnair

Sun 31/817:00LHR - UVF

2 stops26h 35mFinnair

Deal found 10/7£1,402

Sat 9/815:40UVF - LHR

1 stop16h 50mDelta

Sun 5/1017:25LHR - UVF

1 stop25h 52mDelta

Deal found 9/7£1,419

Mon 4/813:10SLU - LHR

3 stops25h 50mMultiple Airlines

Mon 8/922:15LHR - SLU

3 stops40h 15mMultiple Airlines

Deal found 10/7£1,277

Last-minute flights from Saint Lucia to Heathrow
Discover last-minute flight deals from Saint Lucia to Heathrow. Data last updated 11 July 2025 and is based on user searches.

Sun 13/715:40UVF - LHR

1 stop16h 50mDelta

Sun 24/817:25LHR - UVF

1 stop25h 50mDelta

Deal found 10/7£1,419

Wed 30/717:31UVF - LHR

2 stops31h 59mIcelandair

Sun 7/908:15LHR - UVF

1 stop34h 30mIcelandair

Deal found 9/7£771

Mon 4/813:10SLU - LHR

3 stops25h 50mMultiple Airlines

Mon 8/922:15LHR - SLU

3 stops40h 15mMultiple Airlines

Deal found 10/7£1,277

Sat 23/814:55UVF - LHR

1 stop16h 35mAmerican Airlines

Sat 30/812:15LHR - UVF

1 stop31h 20mAmerican Airlines

Deal found 8/7£1,403

Sun 24/814:35UVF - LHR

2 stops22h 10mMultiple Airlines

Sun 31/809:30LHR - UVF

2 stops57h 45mMultiple Airlines

Deal found 10/7£1,068

Sun 24/814:55UVF - LHR

1 stop16h 35mFinnair

Sun 31/817:00LHR - UVF

2 stops26h 35mFinnair

Deal found 10/7£1,402

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 11 July 2025.

Fri 25/717:31UVF - LHR

1 stop22h 14mJetBlue

Deal found 10/7£492

Fri 25/717:40UVF - LHR

2 stops45h 05mMultiple Airlines

Deal found 10/7£567

Fri 25/712:15SLU - LHR

2 stops26h 45mMultiple Airlines

Deal found 10/7£626

Thu 18/915:17UVF - LHR

1 stop14h 18mAmerican Airlines

Deal found 9/7£1,055

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 5/9

15:20-20:45

1 stop24h 25m

London Heathrow

Fri 26/9

08:25-12:46

2 stops33h 21m

£673

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Thu 20/11

15:40-12:50

2 stops41h 10m

London Heathrow

Wed 3/12

08:15-14:48

2 stops34h 33m

£951

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Thu 20/11

16:35-12:05

1 stop15h 30m

London Heathrow

Wed 3/12

19:00-14:55

2 stops23h 55m

£955

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Mon 4/8

13:10-20:00

3 stops25h 50m

London Heathrow

Mon 8/9

22:15-09:30

3 stops40h 15m

£1,277

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 30/11

17:15-20:35

2 stops23h 20m

London Heathrow

Wed 17/12

14:50-16:25

2 stops53h 35m

£1,336

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sun 24/8

14:55-12:30

1 stop16h 35m

London Heathrow

Sun 31/8

17:00-14:35

2 stops26h 35m

£1,402

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Sat 9/8

15:40-13:30

1 stop16h 50m

London Heathrow

Sun 5/10

17:25-14:17

1 stop25h 52m

£1,419

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 25/7

17:31-20:45

1 stop22h 14m

£492

CastriesLondon

UVF - LHR

UVFLHR

Castries Hewanorra

Fri 25/7

17:40-19:45

2 stops45h 05m

£567

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Fri 25/7

12:15-20:00

2 stops26h 45m

£626

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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.

Reviews of airlines servicing Heathrow

See what other customers who have flown with Delta, Finnair, andJetBlue 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.

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.

7.1

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

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

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Deal

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Slough

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Wembley

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Ilford

Hayes

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Watford

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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£566	Average£690	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£673	Average£741	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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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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