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Cheap flights from London Heathrow Airport to Caribbean Islands from £294

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
5 May — 12 May1
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 30 April 2025.

Round-trip from

£448

One-way from

£294

Popular in

December

Cheapest in

September

Average price

£685
KLM
  • KLM
  • 27/5-3/6
  • 3 total stops
  • 34h 32m total
  • London to Caribbean Islands
Search Deals
29/5
  • 29/5
  • 1 total stop
  • 13h 40m total
  • London to Caribbean Islands
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 30 April 2025.

Tue 27/508:40LHR - POS
2 stops22h 07mKLM
Tue 3/617:20POS - LHR
1 stop12h 25mKLM
Deal found 29/4£448
Tue 17/606:30LHR - POS
2 stops14h 30mMultiple Airlines
Tue 24/617:20POS - LHR
2 stops18h 15mMultiple Airlines
Deal found 29/4£471
Fri 14/1115:00LHR - POS
1 stop15h 35mAir Canada
Thu 20/1103:35POS - LHR
1 stop28h 15mAir Canada
Deal found 29/4£509
Mon 8/908:15LHR - POS
1 stop34h 58mIcelandair
Wed 17/915:45POS - LHR
1 stop24h 00mIcelandair
Deal found 29/4£513
Thu 4/908:05LHR - BGI
Nonstop9h 00mVirgin Atlantic
Wed 17/918:10BGI - LHR
Nonstop8h 40mVirgin Atlantic
Deal found 29/4£519
Tue 28/1008:55LHR - PTP
2 stops32h 15mAir Canada
Sun 2/1115:10PTP - LHR
1 stop36h 00mAir Canada
Deal found 29/4£525
Thu 4/911:00LHR - BGI
Nonstop8h 50mBritish Airways
Wed 17/917:05BGI - LHR
Nonstop8h 15mBritish Airways
Deal found 29/4£531
Thu 4/1211:10LHR - PUJ
1 stop15h 05mAir Canada
Wed 10/1213:05PUJ - LHR
1 stop18h 45mAir Canada
Deal found 29/4£532
Fri 5/908:25LHR - BGI
1 stop34h 27mIcelandair
Sat 13/915:55BGI - LHR
1 stop23h 50mIcelandair
Deal found 29/4£535
Fri 26/908:25LHR - SJU
2 stops22h 20mIcelandair
Sun 5/1003:15SJU - LHR
1 stop12h 30mIcelandair
Deal found 29/4£536
Fri 26/908:15LHR - SJU
1 stop18h 03mJetBlue
Sun 5/1003:15SJU - LHR
1 stop12h 30mJetBlue
Deal found 29/4£538
Tue 11/1107:25LHR - PUJ
1 stop16h 20mJetBlue
Mon 24/1111:50PUJ - LHR
1 stop17h 40mJetBlue
Deal found 29/4£538

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 30 April 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

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Tue 27/5

08:40-01:47

2 stops22h 07m

Port of Spain Piarco Intl

Tue 3/6

17:20-10:45

1 stop12h 25m

£448

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Tue 17/6

06:30-16:00

2 stops14h 30m

Port of Spain Piarco Intl

Tue 24/6

17:20-16:35

2 stops18h 15m

£471

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Mon 8/9

08:15-14:13

1 stop34h 58m

Port of Spain Piarco Intl

Wed 17/9

15:45-20:45

1 stop24h 00m

£513

LondonBridgetown

LHR - BGI

LHRBGI

London Heathrow

Thu 4/9

08:05-12:05

Nonstop9h 00m

Bridgetown Grantley Adams Intl

Wed 17/9

18:10-07:50

Nonstop8h 40m

£519

LondonBridgetown

LHR - BGI

LHRBGI

London Heathrow

Thu 4/9

11:00-14:50

Nonstop8h 50m

Bridgetown Grantley Adams Intl

Wed 17/9

17:05-06:20

Nonstop8h 15m

£531

LondonBridgetown

LHR - BGI

LHRBGI

London Heathrow

Fri 5/9

08:25-13:52

1 stop34h 27m

Bridgetown Grantley Adams Intl

Sat 13/9

15:55-20:45

1 stop23h 50m

£535

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 26/9

08:25-01:45

2 stops22h 20m

San Juan Luis Munoz Marin Intl

Sun 5/10

03:15-20:45

1 stop12h 30m

£536

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 26/9

08:15-21:18

1 stop18h 03m

San Juan Luis Munoz Marin Intl

Sun 5/10

03:15-20:45

1 stop12h 30m

£538

LondonPointe-à-Pitre

LHR - PTP

LHRPTP

London Heathrow

Wed 22/10

11:05-14:15

2 stops56h 10m

Pointe-à-Pitre Le Raizet

Wed 29/10

14:10-16:20

2 stops46h 10m

£538

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Sun 29/6

08:30-01:25

1 stop21h 55m

Port of Spain Piarco Intl

Fri 11/7

02:25-11:50

1 stop28h 25m

£547

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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 30 April 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 30 April 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair 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
7,934 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Aeromexico
7.5
Good
1,698 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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 WestJet, which is currently one of the cheapest options available, starting at £369. Virgin Atlantic flights start at £394 while deals on British Airways start at £411 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

Browse thousands of different options on Cheapflights for your next trip

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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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£394Average£610FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£419Average£770FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£428Average£795FlexibilityNo cancel feeOn-time75%
Search KLM flights
JetBlueCheapest£439Average£721FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£453Average£766FlexibilityNo cancel feeOn-time70%
Search British Airways flights
SWISSCheapest£473Average£711FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest£485Average£607FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£506Average£856FlexibilityNo cancel feeOn-time77%
Search Iberia flights
DeltaCheapest£549Average£793FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapest£552Average£636FlexibilityNo cancel feeOn-time50%
Search Air Transat 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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