Cheap flights from London Heathrow Airport to Caribbean Islands 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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
14 Nov — 21 Nov1
1 adult
1 adult, Economy

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 15 October 2025.

Round-trip from

£489

One-way from

£280

Popular in

December

Cheapest in

November

Average price

£736
JetBlue
  • JetBlue
  • 7/11-15/11
  • 2 total stops
  • 52h 01m total
  • London to Caribbean Islands
25/11
  • 25/11
  • 1 total stop
  • 17h 10m total
  • London to Caribbean Islands
Highest demand for flights based on searches. 3% potential increase in price (£22 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in October 2025

Find flight deals from Heathrow to Caribbean Islands

Enter your travel dates to find the best prices.

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 15 October 2025.

Fri 7/1108:05LHR - SJU
1 stop23h 43mIcelandair
Sat 15/1106:10SJU - LHR
1 stop20h 45mIcelandair
Deal found 14/10£488
Thu 6/1107:25LHR - SJU
2 stops39h 32mIcelandair
Sat 15/1106:27SJU - LHR
2 stops20h 28mIcelandair
Deal found 13/10£491
Sat 15/1109:20LHR - SJU
2 stops52h 33mIcelandair
Mon 24/1113:10SJU - LHR
1 stop28h 30mIcelandair
Deal found 14/10£493
Wed 12/1107:25LHR - SJU
1 stop18h 29mJetBlue
Thu 27/1113:10SJU - LHR
1 stop16h 20mJetBlue
Deal found 13/10£494
Thu 6/1107:25LHR - SJU
1 stop24h 23mJetBlue
Sat 15/1106:10SJU - LHR
1 stop20h 45mJetBlue
Deal found 14/10£500
Tue 4/1107:25LHR - SJU
2 stops20h 56mIcelandair
Sat 8/1106:27SJU - LHR
2 stops20h 28mIcelandair
Deal found 13/10£505
Mon 3/1109:40LHR - ANU
Nonstop11h 25mVirgin Atlantic
Thu 13/1119:00ANU - LHR
Nonstop10h 55mVirgin Atlantic
Deal found 14/10£506
Fri 7/1109:20LHR - SJU
2 stops34h 02mIcelandair
Sun 16/1122:05SJU - LHR
2 stops31h 25mIcelandair
Deal found 13/10£506
Sat 15/1109:20LHR - SJU
2 stops30h 05mIcelandair
Sun 23/1106:01SJU - LHR
2 stops23h 29mIcelandair
Deal found 14/10£508
Fri 12/1212:20LHR - SJU
2 stops30h 25mIcelandair
Thu 8/120:15SJU - LHR
2 stops30h 40mIcelandair
Deal found 13/10£509
Fri 28/1106:50LHR - PUJ
2 stops21h 55mAir Canada
Fri 5/1222:25PUJ - LHR
1 stop28h 05mAir Canada
Deal found 14/10£535
Tue 28/1009:15LHR - PUJ
1 stop14h 00mMultiple Airlines
Fri 7/1113:01PUJ - LHR
2 stops24h 29mMultiple Airlines
Deal found 14/10£536

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 15 October 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

Wed 12/11

07:25-21:54

1 stop18h 29m

San Juan Luis Munoz Marin Intl

Tue 25/11

05:01-21:40

1 stop12h 39m

£494

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 10/11

08:05-18:20

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Mon 24/11

01:59-21:40

1 stop15h 41m

£512

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 10/11

09:20-23:59

1 stop18h 39m

San Juan Luis Munoz Marin Intl

Thu 27/11

13:10-09:30

1 stop16h 20m

£512

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 13/11

12:20-03:48

1 stop19h 28m

San Juan Luis Munoz Marin Intl

Tue 25/11

05:01-21:40

1 stop12h 39m

£524

LondonSt. John's

LHR - ANU

LHRANU

London Heathrow

Mon 9/3

08:00-13:10

Nonstop9h 10m

St. John's V.C. Bird Intl

Thu 19/3

17:10-05:25

Nonstop8h 15m

£529

LondonSt. John's

LHR - ANU

LHRANU

London Heathrow

Tue 3/2

08:00-13:10

Nonstop9h 10m

St. John's V.C. Bird Intl

Sat 7/2

17:10-05:25

Nonstop8h 15m

£539

LondonSt. John's

LHR - ANU

LHRANU

London Heathrow

Thu 5/3

08:00-13:10

Nonstop9h 10m

St. John's V.C. Bird Intl

Mon 9/3

17:10-05:25

Nonstop8h 15m

£541

LondonPunta Cana

LHR - PUJ

LHRPUJ

London Heathrow

Wed 11/2

11:05-18:40

2 stops35h 35m

Punta Cana

Wed 18/2

12:50-07:10

1 stop14h 20m

£548

LondonPunta Cana

LHR - PUJ

LHRPUJ

London Heathrow

Tue 17/3

08:55-18:45

1 stop13h 50m

Punta Cana

Mon 23/3

17:05-11:40

1 stop14h 35m

£564

LondonSt. John's

LHR - ANU

LHRANU

London Heathrow

Mon 10/11

09:40-17:05

Nonstop11h 25m

St. John's V.C. Bird Intl

Thu 20/11

19:00-09:55

Nonstop10h 55m

£566

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 60 results
1
2
3
...
6

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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Caribbean Islands (average of £422). Flying from London Heathrow Airport to Caribbean Islands in December is currently the most expensive (average of £539). 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 15 October 2025.

It’s typically best to fly out from London Heathrow Airport to Caribbean Islands in the morning. Doing so could potentially save you 6% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from London Heathrow Airport to Caribbean Islands?

Use this chart to determine the cheapest time to fly return from Heathrow to Caribbean Islands. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Caribbean Islands flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 15 October 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Caribbean Islands, such as KLM, Finnair, andVirgin Atlantic. 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.

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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

    Airlines like JetBlue, Virgin Atlantic, and Air Canada fly from London Heathrow Airport to Caribbean Islands in about 9h 10m. The time it takes to get you to your destination can typically vary by up to 26h 25m. Airlines will cover a distance of 4069 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 Avianca, which is currently one of the cheapest options available, starting at £323. SWISS flights start at £331 while deals on JetBlue start at £335 one-way.

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

  • 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Caribbean Islands (average of £422). Flying from London Heathrow Airport to Caribbean Islands in December is currently the most expensive (average of £539). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Caribbean Islands

See prices for flight routes from nearby airports that may be better suited for you.

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 15 October 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£218Average£858FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapest£335Average£927FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£354Average£645FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£442Average£686FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£453Average£696FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£468Average£847FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£487Average£604FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
SWISSCheapest£491Average£873FlexibilityNo cancel feeOn-time79%
Search SWISS flights
IberiaCheapest£514Average£778FlexibilityNo cancel feeOn-time77%
Search Iberia flights
AviancaCheapest£516Average£737FlexibilityNo cancel feeOn-time71%
Search Avianca 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.

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.