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Cheap flights from London Heathrow Airport to Caribbean Islands from £304

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
14 Jun — 21 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 May 2026.

Wed 23/922:05
LHR
-
PUJ
1 stop23h 40m
Avianca
Wed 7/1018:35
PUJ
-
LHR
1 stop16h 00m
Avianca
Deal found 11/5£529
Wed 16/922:05
LHR
-
PUJ
1 stop18h 20m
Avianca
Thu 17/918:00
PUJ
-
LHR
1 stop16h 35m
Avianca
Deal found 15/5£530
Mon 15/622:05
LHR
-
PUJ
1 stop23h 40m
Avianca
Mon 29/618:35
PUJ
-
LHR
1 stop16h 00m
Avianca
Deal found 13/5£531
Sat 12/922:05
LHR
-
PUJ
1 stop23h 40m
Avianca
Thu 12/1117:55
PUJ
-
LHR
1 stop16h 40m
Avianca
Deal found 15/5£532
Mon 8/622:05
LHR
-
PUJ
1 stop24h 20m
Avianca
Sat 20/612:50
PUJ
-
LHR
1 stop21h 45m
Avianca
Deal found 13/5£533
Tue 26/522:05
LHR
-
PUJ
1 stop24h 20m
Avianca
Sat 6/618:00
PUJ
-
LHR
1 stop16h 35m
Avianca
Deal found 13/5£533
Sat 12/922:05
LHR
-
PUJ
1 stop23h 40m
Avianca
Sat 14/1118:45
PUJ
-
LHR
1 stop15h 50m
Avianca
Deal found 13/5£535
Wed 10/622:05
LHR
-
PUJ
1 stop24h 20m
Avianca
Fri 19/612:50
PUJ
-
LHR
1 stop21h 45m
Avianca
Deal found 11/5£536
Thu 28/522:05
LHR
-
PUJ
1 stop23h 40m
Avianca
Thu 11/612:50
PUJ
-
LHR
1 stop21h 45m
Avianca
Deal found 11/5£536
Fri 25/922:05
LHR
-
PUJ
1 stop24h 20m
Avianca
Fri 2/1018:35
PUJ
-
LHR
1 stop16h 00m
Avianca
Deal found 15/5£542
Wed 28/1021:40
LHR
-
PUJ
1 stop23h 55m
Avianca
Fri 6/1112:40
PUJ
-
LHR
1 stop21h 55m
Avianca
Deal found 14/5£544
Fri 9/1011:55
LHR
-
SJU
1 stop16h 54m
JetBlue
Sat 17/1013:00
SJU
-
LHR
1 stop15h 30m
JetBlue
Deal found 14/5£554

Find 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 May 2026.

Round-trip from

£529

One-way from

£304

Popular in

December

Cheapest in

January

Average price

£714
Avianca
  • Avianca
  • 23/9-7/10
  • 2 total stops
  • 39h 40m total
  • London to Caribbean Islands
Search Deals
1/6
  • 1/6
  • 1 total stop
  • 24h 40m total
  • London to Caribbean Islands
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Caribbean Islands that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPunta Cana

LHR - PUJ

LHRPUJ

London Heathrow

Mon 25/5

22:05-16:45

1 stop23h 40m

Punta Cana

Fri 12/6

18:00-15:35

1 stop16h 35m

£572

LondonPort of Spain

LHR - POS

LHRPOS

London Heathrow

Sat 12/9

17:15-00:15

2 stops36h 00m

Port of Spain Piarco Intl

Fri 18/9

01:20-06:30

2 stops24h 10m

£636

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 1/7

08:15-19:54

1 stop16h 39m

San Juan Luis Munoz Marin Intl

Wed 15/7

15:10-20:45

1 stop24h 35m

£664

LondonPunta Cana

LHR - PUJ

LHRPUJ

London Heathrow

Fri 23/10

15:15-11:40

1 stop25h 25m

Punta Cana

Fri 30/10

13:53-08:05

1 stop14h 12m

£665

LondonPunta Cana

LHR - PUJ

LHRPUJ

London Heathrow

Thu 4/6

11:45-11:40

2 stops28h 55m

Punta Cana

Sat 13/6

14:00-12:15

1 stop17h 15m

£666

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 9/10

11:55-23:49

1 stop16h 54m

San Juan Luis Munoz Marin Intl

Mon 19/10

06:12-06:30

1 stop19h 18m

£682

LondonNassau

LHR - NAS

LHRNAS

London Heathrow

Sat 20/6

09:30-13:35

1 stop33h 05m

Nassau Intl

Sun 28/6

18:30-08:35

1 stop33h 05m

£685

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sun 20/9

08:15-22:42

1 stop19h 27m

San Juan Luis Munoz Marin Intl

Mon 5/10

06:00-06:30

1 stop19h 30m

£689

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 7/7

08:15-00:10

1 stop20h 55m

San Juan Luis Munoz Marin Intl

Sat 11/7

18:02-20:45

1 stop21h 43m

£689

LondonSanto Domingo

LHR - SDQ

LHRSDQ

London Heathrow

Sun 31/5

09:55-22:55

1 stop18h 00m

Santo Domingo Las Americas

Sat 20/6

10:25-06:55

1 stop15h 30m

£694

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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

How far ahead should I book a flight from London Heathrow Airport to Caribbean Islands?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Caribbean Islands, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Caribbean Islands (average of £663). Flying from London Heathrow Airport to Caribbean Islands in July is currently the most expensive (average of £1,005). 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 May 2026.

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.

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 May 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Caribbean Islands, such as KLM,Virgin Atlantic, andAmerican Airlines. 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
1,517 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,517 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.4
Good
688 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
American Airlines
7.1
Good
11,664 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air Canada
7.1
Good
11,046 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
7,982 reviews
KLM
7.8
Good
1,517 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 Avianca, Air Canada, and JetBlue fly from London Heathrow Airport to Caribbean Islands in about 16h 39m. The time it takes to get you to your destination can typically vary by up to 19h 21m. Airlines will cover a distance of 4179 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 JetBlue, which is currently one of the cheapest options available, starting at £339. Virgin Atlantic flights start at £339 while deals on British Airways start at £390 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Caribbean Islands (average of £663). Flying from London Heathrow Airport to Caribbean Islands in July is currently the most expensive (average of £1,005). 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 15 May 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£215Average£817FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapest£331Average£916FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£432Average£687FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
AviancaCheapest£475Average£612FlexibilityNo cancel feeOn-time71%
Search Avianca flights
SWISSCheapest£481Average£717FlexibilityNo cancel feeOn-time79%
Search SWISS flights
FinnairCheapest£487Average£876FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£491Average£717FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£495Average£873FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£513Average£641FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
TUI AirwaysCheapest£530Average£656FlexibilityNo cancel feeOn-timeN/A
Search TUI 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 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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