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Cheap flights from Caribbean Islands to London from £237

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Caribbean Islands to London departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Caribbean Islands to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
15:46 - 07:30
SJU
-
LHR
35h 44m
1 stop
United Airlines Logo
06:50 - 21:22
LHR
-
SJU
18h 32m
2 stops
£426United Airlines
Tue, 3 Mar - Tue, 10 Mar
United Airlines Logo
15:46 - 05:55
SJU
-
LHR
34h 09m
2 stops
United Airlines Logo
06:50 - 21:22
LHR
-
SJU
18h 32m
2 stops
£429United Airlines
Tue, 3 Mar - Tue, 10 Mar
KLM Logo
17:30 - 11:40
SJU
-
LHR
14h 10m
1 stop
KLM Logo
15:50 - 10:45
LHR
-
SJU
22h 55m
1 stop
£441KLM
Mon, 9 Mar - Fri, 20 Mar
JetBlue Logo
05:15 - 21:40
SJU
-
LHR
12h 25m
1 stop
JetBlue Logo
12:20 - 03:51
LHR
-
SJU
19h 31m
1 stop
£448JetBlue
Wed, 18 Feb - Fri, 27 Feb
KLM Logo
13:14 - 06:45
SJU
-
LHR
12h 31m
1 stop
KLM Logo
15:15 - 11:46
LHR
-
SJU
25h 31m
1 stop
£453KLM
Sun, 29 Mar - Wed, 8 Apr
JetBlue Logo
12:32 - 06:55
MBJ
-
LHR
13h 23m
1 stop
JetBlue Logo
12:20 - 10:06
LHR
-
MBJ
26h 46m
1 stop
£623JetBlue
Fri, 27 Feb - Tue, 10 Mar
Air Canada Logo
21:10 - 06:30
NAS
-
LHR
29h 20m
1 stop
Air Canada Logo
17:40 - 12:55
LHR
-
NAS
24h 15m
1 stop
£629Air Canada
Mon, 23 Mar - Mon, 30 Mar
Air Canada Logo
13:15 - 07:10
NAS
-
LHR
13h 55m
1 stop
Air Canada Logo
09:00 - 12:25
LHR
-
NAS
31h 25m
2 stops
£630Air Canada
Thu, 19 Mar - Thu, 26 Mar
Virgin Atlantic Logo
19:10 - 09:55
GND
-
LHR
10h 45m
1 stop
Virgin Atlantic Logo
09:40 - 17:05
LHR
-
GND
11h 25m
1 stop
£660Virgin Atlantic
Mon, 2 Mar - Mon, 9 Mar
Virgin Atlantic Logo
19:10 - 09:55
GND
-
LHR
10h 45m
1 stop
Virgin Atlantic Logo
09:40 - 17:05
LHR
-
GND
11h 25m
1 stop
£662Virgin Atlantic
Mon, 2 Mar - Mon, 9 Mar

KLM flights from Caribbean Islands to London Heathrow Airport

Our best KLM deals on Caribbean Islands to London Heathrow Airport flight tickets
KLM
29 Mar
SJU13:14San Juan Luis Munoz Marin Intl
12h 31m
1 stop
LHR06:45London Heathrow
8 Apr
LHR15:15London Heathrow
25h 31m
1 stop
SJU11:46San Juan Luis Munoz Marin Intl
£453
KLM
31 Mar
SJU15:30San Juan Luis Munoz Marin Intl
16h 35m
1 stop
LHR13:05London Heathrow
7 Apr
LHR09:20London Heathrow
18h 55m
1 stop
SJU23:15San Juan Luis Munoz Marin Intl
£459
KLM
3 Apr
SJU13:14San Juan Luis Munoz Marin Intl
12h 31m
1 stop
LHR06:45London Heathrow
10 Apr
LHR09:20London Heathrow
18h 55m
1 stop
SJU23:15San Juan Luis Munoz Marin Intl
£490

Air Canada flights from Caribbean Islands to London Heathrow Airport

Our best Air Canada deals on Caribbean Islands to London Heathrow Airport flight tickets
Air Canada
28 Mar
SJU14:40San Juan Luis Munoz Marin Intl
13h 55m
1 stop
LHR08:35London Heathrow
4 Apr
LHR14:05London Heathrow
28h 15m
1 stop
SJU13:20San Juan Luis Munoz Marin Intl
£531
Air Canada
23 Apr
SJU18:45San Juan Luis Munoz Marin Intl
30h 45m
2 stops
LHR06:30London Heathrow
9 May
LHR09:30London Heathrow
31h 34m
2 stops
SJU12:04San Juan Luis Munoz Marin Intl
£531
Air Canada
29 Apr
SJU01:00San Juan Luis Munoz Marin Intl
24h 30m
2 stops
LHR06:30London Heathrow
11 May
LHR14:10London Heathrow
28h 35m
2 stops
SJU13:45San Juan Luis Munoz Marin Intl
£539

momondo Fare Finder

 
Customise your flight search to find flights from Caribbean Islands to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 7 February 2026.
Use the filters below to find and compare flights from Caribbean Islands to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 3/3

15:46-07:30

1 stop35h 44m

London Heathrow

Tue 10/3

06:50-21:22

2 stops18h 32m

£426

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 3/3

15:46-05:55

2 stops34h 09m

London Heathrow

Tue 10/3

06:50-21:22

2 stops18h 32m

£429

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 9/3

17:30-11:40

1 stop14h 10m

London Heathrow

Fri 20/3

15:50-10:45

1 stop22h 55m

£441

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 18/2

05:15-21:40

1 stop12h 25m

London Heathrow

Fri 27/2

12:20-03:51

1 stop19h 31m

£448

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sun 29/3

13:14-06:45

1 stop12h 31m

London Heathrow

Wed 8/4

15:15-11:46

1 stop25h 31m

£453

Montego BayLondon

MBJ - LHR

MBJLHR

Montego Bay Sangster Intl

Fri 27/2

12:32-06:55

1 stop13h 23m

London Heathrow

Tue 10/3

12:20-10:06

1 stop26h 46m

£623

NassauLondon

NAS - LHR

NASLHR

Nassau Intl

Mon 23/3

21:10-06:30

1 stop29h 20m

London Heathrow

Mon 30/3

17:40-12:55

1 stop24h 15m

£629

NassauLondon

NAS - LHR

NASLHR

Nassau Intl

Thu 19/3

13:15-07:10

1 stop13h 55m

London Heathrow

Thu 26/3

09:00-12:25

2 stops31h 25m

£630

St. George'sLondon

GND - LHR

GNDLHR

St. George's Point Saline Intl

Mon 2/3

19:10-09:55

1 stop10h 45m

London Heathrow

Mon 9/3

09:40-17:05

1 stop11h 25m

£660

St. George'sLondon

GND - LHR

GNDLHR

St. George's Point Saline Intl

Mon 2/3

19:10-09:55

1 stop10h 45m

London Heathrow

Mon 9/3

09:40-17:05

1 stop11h 25m

£662

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Caribbean Islands to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, November is the cheapest month to fly from Caribbean Islands to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £751. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Caribbean Islands averaging around £809.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Caribbean Islands is on a Friday. momondo users have found tickets for Friday departures for as low as £792. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £876.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Caribbean Islands to London Heathrow Airport in the afternoon for as low as £770. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £835 on average. Flights to London Heathrow Airport from Caribbean Islands in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Caribbean Islands to London Heathrow flight route?

Fly from Montego Bay Sangster Intl to London Heathrow for the best Caribbean Islands - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Caribbean Islands when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £834 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Caribbean Islands for as low as £667 on momondo.

What cabin class options are available on Caribbean Islands to London Heathrow flights?

There are 3 cabin classes available to choose from on Caribbean Islands to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Caribbean Islands to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between Caribbean Islands to London Heathrow Airport.

Cheap Caribbean Islands to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Caribbean Islands to London Heathrow Airport

Fastest flight time

8h 10m

Direct flights

Every day
The fastest flight from Caribbean Islands to London Heathrow Airport takes 8h 10m
Direct flights go from Caribbean Islands to London Heathrow Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Caribbean Islands to London Heathrow Airport?

    Prices for flights from Caribbean Islands to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from Caribbean Islands to London Heathrow Airport?

  • How old do you have to be to fly from Caribbean Islands to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Caribbean Islands to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Caribbean Islands to London Heathrow Airport?

Best airlines flying from Caribbean Islands to London Heathrow Airport

Compare and see reviews for airlines that fly from Caribbean Islands to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom £646Free CancellationRating
7.1
10,697 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom £730Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £760Free CancellationRating
6.7
7,719 reviews
Search British Airways flights
KLMPriceFrom £829Free CancellationRating
7.7
1,450 reviews
Search KLM flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Stratford-upon-Avon
Swindon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Chelmsford
Hayes
Dover
Swanage
Folkestone

Why use momondo?

Why should I use momondo to find a flight deal from Caribbean Islands to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Caribbean Islands to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Caribbean Islands to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Caribbean Islands to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Caribbean Islands to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Caribbean Islands.

I’m not ready to book a flight from Caribbean Islands to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Caribbean Islands are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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