Find flights
When to book
Airlines

Cheap flights from Saint Lucia to London Heathrow Airport from £492

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
UVF — LHR
16 Jul — 23 Jul1
1 adult

Cheap flight deals from Saint Lucia to Heathrow

Keep the following information in mind while searching for Saint Lucia to Heathrow flight deals. Data was last updated 11 July 2025.

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

Cheapflights Fare Finder

Customise your flight search to find flights from Saint Lucia to Heathrow 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 11 July 2025.
Use the filters below to find and compare flights from Saint Lucia to London Heathrow Airport that are best for you.

Fly from

Saint Lucia

Fly to

Heathrow

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

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 11 July 2025.
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.

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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.

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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.

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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.

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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.

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Find useful and relevant information for your journey from Saint Lucia to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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

Travelling to a place near Saint Lucia?

Book flights to Saint Lucia if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Swindon
Maidstone

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.

Top 2 airlines flying from Saint Lucia to Heathrow

Discover the top 2 airlines that operate flights from Saint Lucia to Heathrow. 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£566Average£690FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£673Average£741FlexibilityNo cancel feeOn-time70%
Search British Airways 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 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.