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Cheap flights from London to Caribbean Islands from £270

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJU
18 Jun — 25 Jun1
1 adult

Cheap flight deals from London to Caribbean Islands

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

Round-trip from

£465

One-way from

£270

Popular in

December

Cheapest in

September

Average price

£690
British Airways
  • British Airways
  • 9/9-30/9
  • Nonstop
  • 17h 45m total
  • London to Caribbean Islands
Search Deals
18/6
  • 18/6
  • 2 total stops
  • 33h 53m 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 London to Caribbean Islands

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

Tue 9/911:05LGW - POS
Nonstop9h 10mBritish Airways
Tue 30/917:00POS - LGW
Nonstop8h 35mBritish Airways
Deal found 11/6£465
Mon 15/1213:00LHR - POS
1 stop17h 35mAir Canada
Sun 11/103:35POS - LHR
1 stop22h 55mAir Canada
Deal found 11/6£518
Wed 2/714:45LHR - POS
3 stops32h 30mMultiple Airlines
Fri 11/722:30POS - LHR
2 stops28h 10mMultiple Airlines
Deal found 11/6£539
Fri 27/611:15LGW - POS
2 stops27h 25mMultiple Airlines
Fri 4/716:50POS - LGW
Nonstop8h 40mMultiple Airlines
Deal found 11/6£556
Tue 17/611:25LHR - BGI
Nonstop8h 50mBritish Airways
Tue 9/917:05BGI - LHR
Nonstop8h 15mBritish Airways
Deal found 12/6£562
Thu 4/912:10LGW - BGI
2 stops30h 47mIcelandair
Thu 11/915:23BGI - LGW
2 stops37h 12mIcelandair
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
Sat 4/1008:05LHR - BGI
Nonstop9h 05mVirgin Atlantic
Sat 11/1018:10BGI - LHR
Nonstop8h 40mVirgin Atlantic
Deal found 11/6£565
Sat 30/808:15LHR - BGI
1 stop36h 15mIcelandair
Sat 27/915:25BGI - LHR
2 stops58h 05mIcelandair
Deal found 12/6£567
Mon 10/1118:40LGW - BGI
2 stops47h 45mMultiple Airlines
Wed 21/116:50BGI - LGW
2 stops45h 00mMultiple Airlines
Deal found 10/6£567
Tue 2/920:55LHR - POS
2 stops33h 53mKLM
Mon 22/903:50POS - LHR
2 stops32h 45mKLM
Deal found 11/6£573

Cheapflights Fare Finder

Customise your flight search to find flights from London 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 to Caribbean Islands that are best for you.

Fly from

London

Fly to

Caribbean Islands

Route

Depart

Return

Price

LondonPort of Spain

LGW - POS

LGWPOS

London Gatwick

Tue 9/9

11:05-15:15

Nonstop9h 10m

Port of Spain Piarco Intl

Tue 30/9

17:00-06:35

Nonstop8h 35m

£465

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

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

LondonPort of Spain

LGW - POS

LGWPOS

London Gatwick

Fri 27/6

11:15-09:40

2 stops27h 25m

Port of Spain Piarco Intl

Fri 4/7

16:50-06:30

Nonstop8h 40m

£556

LondonBridgetown

LGW - BGI

LGWBGI

London Gatwick

Thu 4/9

12:10-13:57

2 stops30h 47m

Bridgetown Grantley Adams Intl

Thu 11/9

15:23-09:35

2 stops37h 12m

£562

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

LondonBridgetown

LHR - BGI

LHRBGI

London Heathrow

Thu 6/11

13:30-18:30

Nonstop9h 00m

Bridgetown Grantley Adams Intl

Thu 13/11

17:40-05:50

Nonstop8h 10m

£563

LondonBridgetown

LHR - BGI

LHRBGI

London Heathrow

Mon 22/9

08:30-14:40

1 stop35h 10m

Bridgetown Grantley Adams Intl

Mon 29/9

15:40-08:35

1 stop35h 55m

£564

LondonBridgetown

LHR - BGI

LHRBGI

London Heathrow

Sat 4/10

08:05-12:10

Nonstop9h 05m

Bridgetown Grantley Adams Intl

Sat 11/10

18:10-07:50

Nonstop8h 40m

£565

LondonBridgetown

LHR - BGI

LHRBGI

London Heathrow

Sat 30/8

08:15-15:30

1 stop36h 15m

Bridgetown Grantley Adams Intl

Sat 27/9

15:25-06:30

2 stops58h 05m

£567

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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

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

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

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

Find hourly flight availability from London 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 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.
Read reviews from past customers who have flown Delta, Alaska Airlines and KLM from London to Caribbean Islands. 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

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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 London 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 to Caribbean Islands one-way?

    One-way options have recently been found by users for as low as £396 on British Airways. Other airlines that offer cheap prices include Air Canada from £461 and WestJet from £461 one-way.

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

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

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

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

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

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

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

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

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

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

Alternative routes for London 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 London to Caribbean Islands

Discover the top 10 airlines that operate flights from London 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
American AirlinesCheapest£226Average£823FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
AviancaCheapest£296Average£1,003FlexibilityNo cancel feeOn-time71%
Search Avianca flights
TUI AirwaysCheapest£310Average£654FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
Virgin AtlanticCheapest£355Average£824FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£389Average£655FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£395Average£777FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£408Average£746FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air TransatCheapest£412Average£691FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
FinnairCheapest£412Average£757FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£423Average£1,075FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Caribbean Islands?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Caribbean Islands from London today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from London to Caribbean Islands?

Cheapflights helps you find that perfect flight to Caribbean Islands from London 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 London to Caribbean Islands with no change fees?

Need flexible booking options for your flight to Caribbean Islands from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on London to Caribbean Islands flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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