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Cheap flights from London Heathrow Airport to Caribbean Islands from £297

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Heathrow to Caribbean Islands

Keep the following information in mind while searching for Heathrow to Caribbean Islands flight deals. Data was last updated 13 June 2025.

Round-trip from

£470

One-way from

£297

Popular in

December

Cheapest in

September

Average price

£690
23/9-30/9
  • 23/9-30/9
  • 4 total stops
  • 58h 38m total
  • London to Caribbean Islands
Search Deals
15/9
  • 15/9
  • 1 total stop
  • 27h 55m total
  • London to Caribbean Islands
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Heathrow to Caribbean Islands

Cheapest flights from Heathrow to Caribbean Islands
Explore the most affordable flight options available from Heathrow to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Tue 23/909:50LHR - SJU
2 stops29h 04mMultiple Airlines
Tue 30/921:26SJU - LHR
2 stops29h 34mMultiple Airlines
Deal found 10/6£470
Tue 9/908:25LHR - SJU
1 stop32h 42mIcelandair
Sun 21/912:50SJU - LHR
1 stop26h 55mIcelandair
Deal found 11/6£503
Tue 4/1108:25LHR - SJU
1 stop18h 35mJetBlue
Thu 13/1106:15SJU - LHR
1 stop19h 40mJetBlue
Deal found 12/6£506
Mon 15/1213:00LHR - POS
1 stop17h 35mAir Canada
Sun 11/103:35POS - LHR
1 stop22h 55mAir Canada
Deal found 11/6£518
Mon 8/908:05LHR - ANU
1 stop11h 10mVirgin Atlantic
Mon 15/916:05ANU - LHR
1 stop10h 45mVirgin Atlantic
Deal found 12/6£523
Wed 5/1107:25LHR - PUJ
1 stop16h 20mJetBlue
Mon 24/1115:00PUJ - LHR
1 stop14h 30mJetBlue
Deal found 12/6£536
Wed 2/714:45LHR - POS
3 stops32h 30mMultiple Airlines
Fri 11/722:30POS - LHR
2 stops28h 10mMultiple Airlines
Deal found 11/6£539
Thu 18/906:50LHR - PUJ
2 stops35h 35mAir Canada
Thu 25/916:25PUJ - LHR
1 stop14h 25mAir Canada
Deal found 10/6£555
Fri 5/907:40LHR - PUJ
2 stops35h 45mMultiple Airlines
Sat 13/906:10PUJ - LHR
2 stops25h 30mMultiple Airlines
Deal found 12/6£557
Tue 17/611:25LHR - BGI
Nonstop8h 50mBritish Airways
Tue 9/917:05BGI - LHR
Nonstop8h 15mBritish Airways
Deal found 12/6£562
Mon 3/1118:00LHR - UVF
1 stop26h 00mAir Canada
Mon 10/1117:05UVF - LHR
1 stop35h 25mAir Canada
Deal found 11/6£562
Mon 22/908:30LHR - BGI
1 stop35h 10mAir Canada
Mon 29/915:40BGI - LHR
1 stop35h 55mAir Canada
Deal found 11/6£564

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Caribbean Islands 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 13 June 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Caribbean Islands that are best for you.

Fly from

Heathrow

Fly to

Caribbean Islands

Route

Depart

Return

Price

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 23/9

09:50-09:54

2 stops29h 04m

San Juan Luis Munoz Marin Intl

Tue 30/9

21:26-08:00

2 stops29h 34m

£470

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 9/9

08:25-12:07

1 stop32h 42m

San Juan Luis Munoz Marin Intl

Sun 21/9

12:50-20:45

1 stop26h 55m

£503

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 4/11

12:20-00:37

1 stop16h 17m

San Juan Luis Munoz Marin Intl

Wed 12/11

01:59-20:45

1 stop14h 46m

£506

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Mon 3/11

11:10-02:35

1 stop19h 25m

Port of Spain Piarco Intl

Sun 9/11

03:35-08:30

1 stop24h 55m

£519

LondonSt. John's

LHR - ANU

LHRANU

London Heathrow

Mon 8/9

08:05-14:15

1 stop11h 10m

St. John's V.C. Bird Intl

Mon 15/9

16:05-07:50

1 stop10h 45m

£523

LondonPunta Cana

LHR - PUJ

LHRPUJ

London Heathrow

Wed 5/11

07:25-19:45

1 stop16h 20m

Punta Cana

Mon 24/11

15:00-09:30

1 stop14h 30m

£536

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Wed 2/7

14:45-18:15

3 stops32h 30m

Port of Spain Piarco Intl

Fri 11/7

22:30-07:40

2 stops28h 10m

£539

LondonPunta Cana

LHR - PUJ

LHRPUJ

London Heathrow

Thu 18/9

06:50-13:25

2 stops35h 35m

Punta Cana

Thu 25/9

16:25-11:50

1 stop14h 25m

£555

LondonPunta Cana

LHR - PUJ

LHRPUJ

London Heathrow

Fri 5/9

07:40-14:25

2 stops35h 45m

Punta Cana

Sat 13/9

06:10-12:40

2 stops25h 30m

£557

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 3/11

18:00-16:00

1 stop26h 00m

Castries Hewanorra

Mon 10/11

17:05-08:30

1 stop35h 25m

£562

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 60 results
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Best time to book a flight from Heathrow to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands 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 Caribbean Islands

What is the cheapest month to book a flight from London Heathrow Airport to Caribbean Islands?

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Caribbean Islands (average of £631). Flying from London Heathrow Airport to Caribbean Islands in July is currently the most expensive (average of £1,027). 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.

What is the cheapest time of day to fly from LHR to EPX?

Find hourly flight availability from Heathrow to Caribbean Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

When flying from London Heathrow Airport to Caribbean Islands, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Caribbean Islands ranges from 40.0 - 180.0 inches per month. October is typically the wettest month, when rainfall can reach 180.0 mm. February is typically the driest time to visit Caribbean Islands when rainfall is around 40.0 mm.

Temperature in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Caribbean Islands, 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 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

Reviews of airlines servicing Caribbean Islands

Get insights into the airlines that provide service to Caribbean Islands. 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 Caribbean Islands. Reviews last updated 13 June 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and KLM from London to Caribbean Islands to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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.
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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.
Alaska Airlines
8.0
Very Good
10,000 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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.
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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.
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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 Heathrow to Caribbean Islands. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from London Heathrow Airport to Caribbean Islands one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £396. Air Canada flights start at £461 while deals on Virgin Atlantic start at £508 one-way.

  • What are the most popular routes from London Heathrow Airport to Caribbean Islands?

    The most popular flight routes from London Heathrow Airport to Caribbean Islands are London Heathrow - Montego Bay Sangster Intl, London Heathrow - Bridgetown Grantley Adams Intl and London Heathrow - Kingston Norman Manley.

  • Can I find deals for flights from Heathrow to Caribbean Islands that include hotel bookings?

    Yes. In addition to deals on Heathrow to Caribbean Islands flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Caribbean Islands?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Caribbean Islands.

  • Can I find deals for business class flights from Heathrow to Caribbean Islands?

    Yes. Cheapflights offers flight deals from Heathrow to Caribbean Islands 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 Caribbean Islands?

    Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Caribbean Islands (average of £631). Flying from London Heathrow Airport to Caribbean Islands in July is currently the most expensive (average of £1,027). 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

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Alternative routes for Heathrow to Caribbean Islands

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Heathrow to Caribbean Islands

Discover the top 10 airlines that operate flights from Heathrow to Caribbean Islands. 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£296Average£1,003FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Virgin AtlanticCheapest£355Average£846FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£389Average£606FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£408Average£748FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£412Average£742FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£423Average£802FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£447Average£782FlexibilityNo cancel feeOn-time70%
Search British Airways flights
SWISSCheapest£466Average£754FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£479Average£605FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£506Average£855FlexibilityNo cancel feeOn-time77%
Search Iberia 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 Caribbean Islands?

Cheapflights makes it easy to find Heathrow to Caribbean Islands 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 Heathrow to Caribbean Islands?

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 Caribbean Islands from Heathrow.

Can Cheapflights find flights from Heathrow to Caribbean Islands with no change fees?

Certainly. Search results for flights to Caribbean Islands from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Heathrow to Caribbean Islands become cheaper?

Of course! You can now track prices for flights from Heathrow to Caribbean Islands and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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