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Cheap flights from London Heathrow Airport to Caribbean from £280

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
24 Aug — 31 Aug1
1 adult

Cheap flight deals from Heathrow to Caribbean

Keep the following information in mind while searching for Heathrow to Caribbean flight deals. Data was last updated 19 August 2025.

Round-trip from

£489

One-way from

£280

Popular in

December

Cheapest in

September

Average price

£909

Good round-trip deal

£525 or less

Good one-way deal

£434 or less
JetBlue
  • JetBlue
  • 9/9-21/9
  • 2 total stops
  • 48h 52m total
  • London to Caribbean
Search Deals
28/9
  • 28/9
  • 2 total stops
  • 26h 25m total
  • London to Caribbean
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Caribbean.
Search Deals
Price to beat on a one-way flight from London Heathrow to Caribbean.
Search Deals

Find flight deals from Heathrow to Caribbean

Cheapest flights from Heathrow to Caribbean
Explore the most affordable flight options available from Heathrow to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Tue 9/908:15LHR - SJU
1 stop19h 17mJetBlue
Sun 21/919:55SJU - LHR
1 stop29h 35mJetBlue
Deal found 18/8£489
Tue 9/908:15LHR - SJU
1 stop19h 17mIcelandair
Wed 24/913:25SJU - LHR
1 stop15h 05mIcelandair
Deal found 18/8£491
Tue 9/908:15LHR - SJU
1 stop19h 17mIcelandair
Sun 21/918:05SJU - LHR
2 stops31h 25mIcelandair
Deal found 18/8£496
Wed 3/908:15LHR - SJU
1 stop13h 37mIcelandair
Thu 18/913:00SJU - LHR
1 stop12h 30mIcelandair
Deal found 17/8£496
Sun 14/908:15LHR - SJU
1 stop13h 28mJetBlue
Sun 21/919:55SJU - LHR
1 stop29h 35mJetBlue
Deal found 17/8£498
Sat 1/1112:20LHR - SJU
1 stop18h 28mJetBlue
Tue 18/1108:10SJU - LHR
1 stop18h 45mJetBlue
Deal found 18/8£499
Wed 3/908:15LHR - SJU
1 stop18h 09mJetBlue
Thu 18/913:00SJU - LHR
1 stop12h 30mJetBlue
Deal found 18/8£507
Sat 1/1109:20LHR - SJU
1 stop14h 19mIcelandair
Tue 18/1109:30SJU - LHR
2 stops17h 25mIcelandair
Deal found 19/8£508
Thu 18/908:05LHR - ANU
1 stop11h 10mVirgin Atlantic
Mon 22/916:05ANU - LHR
1 stop10h 45mVirgin Atlantic
Deal found 17/8£509
Thu 18/911:55LHR - SJU
1 stop14h 29mJetBlue
Thu 25/913:00SJU - LHR
1 stop12h 30mJetBlue
Deal found 19/8£509
Thu 9/1008:05LHR - ANU
Nonstop11h 10mVirgin Atlantic
Thu 23/1016:05ANU - LHR
Nonstop10h 45mVirgin Atlantic
Deal found 19/8£532
Sun 16/1108:30LHR - PUJ
1 stop31h 22mJetBlue
Wed 26/1115:43PUJ - LHR
1 stop25h 02mJetBlue
Deal found 19/8£548

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Caribbean 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 19 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Caribbean that are best for you.

Fly from

Heathrow

Fly to

Caribbean

Route

Depart

Return

Price

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 9/9

08:15-22:32

1 stop19h 17m

San Juan Luis Munoz Marin Intl

Sun 21/9

19:55-06:30

1 stop29h 35m

£489

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 9/9

08:15-22:32

1 stop19h 17m

San Juan Luis Munoz Marin Intl

Wed 24/9

13:25-09:30

1 stop15h 05m

£491

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 9/9

08:15-22:32

1 stop19h 17m

San Juan Luis Munoz Marin Intl

Sun 21/9

18:05-06:30

2 stops31h 25m

£496

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 3/9

08:15-16:52

1 stop13h 37m

San Juan Luis Munoz Marin Intl

Thu 18/9

13:00-06:30

1 stop12h 30m

£496

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sun 14/9

08:15-16:43

1 stop13h 28m

San Juan Luis Munoz Marin Intl

Sun 21/9

19:55-06:30

1 stop29h 35m

£498

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 16/9

08:15-16:55

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Tue 23/9

17:15-06:30

1 stop32h 15m

£499

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sat 1/11

12:20-02:48

1 stop18h 28m

San Juan Luis Munoz Marin Intl

Tue 18/11

08:10-06:55

1 stop18h 45m

£499

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 5/2

12:20-02:33

1 stop18h 13m

San Juan Luis Munoz Marin Intl

Sun 15/2

21:10-06:55

1 stop29h 45m

£504

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sun 1/2

07:25-19:13

1 stop15h 48m

San Juan Luis Munoz Marin Intl

Sun 15/2

21:10-06:55

1 stop29h 45m

£505

LondonSt. John's

LHR - ANU

LHRANU

London Heathrow

Tue 20/1

13:50-19:05

Nonstop9h 15m

St. John's V.C. Bird Intl

Tue 3/2

22:15-10:30

Nonstop8h 15m

£508

Flights are sorted by cheapest return flights first.

Deals found on 18/8

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

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

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

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Caribbean (average of £631). Flying from London Heathrow Airport to Caribbean 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 CB?

Find hourly flight availability from Heathrow to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

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

Reviews of airlines servicing Caribbean

Get insights into the airlines that provide service to Caribbean. 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. Reviews last updated 19 August 2025.
Read reviews from past customers who have flown with KLM, Finnair, andVirgin Atlantic from London Heathrow Airport to Caribbean. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Finnair
7.6
Good
1,320 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Virgin Atlantic
7.4
Good
657 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,997 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.7
Okay
7,283 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

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

  • How long is the flight from London Heathrow Airport to Caribbean?

    For as low as £508, JetBlue can have you in Caribbean from London Heathrow Airport in 9h 15m. London Heathrow Airport and Caribbean are separated by a distance of 4069 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapet airlines for a one-way flight from London Heathrow Airport to Caribbean are WestJet (£378), Virgin Atlantic (£394), and Icelandair (£416).

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

    The most popular route from London Heathrow Airport to Caribbean is London Heathrow - Bridgetown Grantley Adams Intl. You may also consider London Heathrow - Montego Bay Sangster Intl or London Heathrow - Kingston Norman Manley.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Caribbean 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?

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

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

Discover the top 10 airlines that operate flights from Heathrow to Caribbean. 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 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£341Average£909FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£390Average£612FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£448Average£837FlexibilityNo cancel feeOn-time75%
Search KLM flights
JetBlueCheapest£451Average£693FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£451Average£726FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£479Average£594FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
SWISSCheapest£490Average£834FlexibilityNo cancel feeOn-time79%
Search SWISS flights
IberiaCheapest£507Average£781FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£530Average£767FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£557Average£784FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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?

Cheapflights makes it easy to find Heathrow to Caribbean 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?

Cheapflights helps you find that perfect flight to Caribbean from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Heathrow to Caribbean with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Heathrow to Caribbean on Cheapflights with our Price Alert feature and get notified when better prices are available.

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