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Cheap flights from Caribbean Islands to London from $285

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 10/6. 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 round-trip flights

KLM Logo
5:41 pm - 1:30 pmSJU-LHR
14h 49m1 stop
KLM Logo
10:55 am - 11:47 pmLHR-SJU
17h 52m1 stop
$568KLM
Find Deal
Tue, Sep 23 - Tue, Sep 30
Iberia Logo
6:00 am - 9:25 amSJU-LHR
22h 25m1 stop
Iberia Logo
12:15 pm - 11:37 pmLHR-SJU
16h 22m1 stop
$577Iberia
Find Deal
Mon, Sep 1 - Thu, Oct 2
British Airways Logo
3:55 pm - 9:25 amSJU-LHR
12h 30m1 stop
British Airways Logo
1:40 pm - 11:11 amLHR-SJU
26h 31m1 stop
$578British Airways
Find Deal
Wed, Sep 24 - Wed, Oct 1
Virgin Atlantic Logo
6:00 pm - 8:00 pmSJU-LHR
21h 00m1 stop
Virgin Atlantic Logo
8:40 am - 11:47 pmLHR-SJU
20h 07m2 stops
$626Virgin Atlantic
Find Deal
Thu, Sep 18 - Tue, Sep 23
British Airways Logo
2:35 pm - 7:50 amSJU-LHR
13h 15m1 stop
British Airways Logo
9:45 am - 9:05 pmLHR-SJU
15h 20m1 stop
$628British Airways
Find Deal
Thu, Jan 22 - Thu, Jan 29
Virgin Atlantic Logo
7:00 am - 9:20 amSJU-LHR
22h 20m1 stop
Virgin Atlantic Logo
8:55 am - 11:58 pmLHR-SJU
19h 03m2 stops
$680Virgin Atlantic
Find Deal
Thu, Jan 15 - Mon, Jan 19
JetBlue Logo
1:59 am - 8:45 pmSJU-LHR
14h 46m1 stop
JetBlue Logo
7:25 am - 11:47 pmLHR-SJU
20h 22m1 stop
$689JetBlue
Find Deal
Tue, Feb 17 - Fri, Feb 27
JetBlue Logo
3:03 am - 8:45 pmSJU-LHR
12h 42m1 stop
JetBlue Logo
11:55 am - 12:57 amLHR-SJU
18h 02m1 stop
$714JetBlue
Find Deal
Sun, Oct 5 - Sat, Oct 11
Air Canada Logo
6:30 pm - 10:00 amNAS-LHR
34h 30m1 stop
Air Canada Logo
6:50 am - 5:30 pmLHR-NAS
15h 40m2 stops
$910Air Canada
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Sun, Sep 7 - Mon, Sep 15
Air Canada Logo
12:10 pm - 6:35 amMBJ-LHR
12h 25m1 stop
Air Canada Logo
6:00 am - 11:10 amLHR-MBJ
35h 10m2 stops
$913Air Canada
Find Deal
Wed, Sep 17 - Thu, Oct 2

Delta flights from Caribbean Islands to London Heathrow Airport

Our best Delta deals on Caribbean Islands to London Heathrow Airport flight tickets
Delta
Sep 9
SJU1:18 pmSan Juan Luis Munoz Marin Intl
12h 27m
1 stop
LHR6:45 amLondon Heathrow
Sep 16
LHR3:25 pmLondon Heathrow
25h 48m
2 stops
SJU12:13 pmSan Juan Luis Munoz Marin Intl
$586
Find similar
Delta
Sep 10
SJU7:00 amSan Juan Luis Munoz Marin Intl
20h 50m
1 stop
LHR8:50 amLondon Heathrow
Sep 18
LHR3:15 pmLondon Heathrow
26h 44m
2 stops
SJU12:59 pmSan Juan Luis Munoz Marin Intl
$587
Find similar
Delta
Oct 29
SJU7:15 amSan Juan Luis Munoz Marin Intl
21h 30m
2 stops
LHR8:45 amLondon Heathrow
Nov 6
LHR8:50 amLondon Heathrow
20h 06m
1 stop
SJU12:56 amSan Juan Luis Munoz Marin Intl
$598
Find similar

British Airways flights from Caribbean Islands to London Heathrow Airport

Our best British Airways deals on Caribbean Islands to London Heathrow Airport flight tickets
British Airways
Sep 24
SJU3:55 pmSan Juan Luis Munoz Marin Intl
12h 30m
1 stop
LHR9:25 amLondon Heathrow
Oct 1
LHR1:40 pmLondon Heathrow
26h 31m
1 stop
SJU11:11 amSan Juan Luis Munoz Marin Intl
$578
Find similar
British Airways
Jan 22
SJU2:35 pmSan Juan Luis Munoz Marin Intl
13h 15m
1 stop
LHR7:50 amLondon Heathrow
Jan 29
LHR9:45 amLondon Heathrow
15h 20m
1 stop
SJU9:05 pmSan Juan Luis Munoz Marin Intl
$628
Find similar
British Airways
Oct 23
SJU5:00 pmSan Juan Luis Munoz Marin Intl
12h 35m
1 stop
LHR10:35 amLondon Heathrow
Nov 3
LHR1:10 pmLondon Heathrow
14h 37m
1 stop
SJU11:47 pmSan Juan Luis Munoz Marin Intl
$678
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 21, 2025.
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 9/23

5:41 pm-1:30 pm

1 stop14h 49m

London Heathrow

Tue 9/30

10:55 am-11:47 pm

1 stop17h 52m

$568

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 9/1

6:00 am-9:25 am

1 stop22h 25m

London Heathrow

Thu 10/2

12:15 pm-11:37 pm

1 stop16h 22m

$577

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 9/24

3:55 pm-9:25 am

1 stop12h 30m

London Heathrow

Wed 10/1

1:40 pm-11:11 am

1 stop26h 31m

$578

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 9/18

6:00 pm-8:00 pm

1 stop21h 00m

London Heathrow

Tue 9/23

8:40 am-11:47 pm

2 stops20h 07m

$626

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 1/22

2:35 pm-7:50 am

1 stop13h 15m

London Heathrow

Thu 1/29

9:45 am-9:05 pm

1 stop15h 20m

$628

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 1/15

7:00 am-9:20 am

1 stop22h 20m

London Heathrow

Mon 1/19

8:55 am-11:58 pm

2 stops19h 03m

$680

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 2/17

1:59 am-8:45 pm

1 stop14h 46m

London Heathrow

Fri 2/27

7:25 am-11:47 pm

1 stop20h 22m

$689

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sun 10/5

3:03 am-8:45 pm

1 stop12h 42m

London Heathrow

Sat 10/11

11:55 am-12:57 am

1 stop18h 02m

$714

NassauLondon

NAS - LHR

NASLHR

Nassau Intl

Sun 9/7

6:30 pm-10:00 am

1 stop34h 30m

London Heathrow

Mon 9/15

6:50 am-5:30 pm

2 stops15h 40m

$910

Montego BayLondon

MBJ - LHR

MBJLHR

Montego Bay Sangster Intl

Wed 9/17

12:10 pm-6:35 am

1 stop12h 25m

London Heathrow

Thu 10/2

6:00 am-11:10 am

2 stops35h 10m

$913

Flights are sorted by cheapest round-trip 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?

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Caribbean Islands, with most prices found around $681. If you’re not able to fly to London Heathrow Airport in September, then October is your next best option. Flight prices from Caribbean Islands to London Heathrow Airport during October average around $690.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $778. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $905.

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 evening. momondo users have found flights departing from Caribbean Islands to London Heathrow Airport in the evening for as low as $791. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $887.

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 $828 when searching weeks out. 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 $565 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 are updated 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
JetBluePriceFrom $101Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
British AirwaysPriceFrom $625Free CancellationRating
6.7
7,291 reviews
Search British Airways flights
American AirlinesPriceFrom $637Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $649Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
DeltaPriceFrom $652Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Virgin AtlanticPriceFrom $654Free CancellationRating
7.4
658 reviews
Search Virgin Atlantic flights
IberiaPriceFrom $696Free CancellationRating
7.0
2,884 reviews
Search Iberia flights
Air CanadaPriceFrom $823Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
KLMPriceFrom $1,232Free CancellationRating
7.8
1,388 reviews
Search KLM flights

Traveling to a place near London?

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Hounslow
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Milton Keynes
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Stansted
Brentwood
Ilford
Folkestone
Swindon
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Stratford-upon-Avon
Watford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Caribbean Islands to London for you.

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

momondo does allow users to show only those flights to London from Caribbean Islands which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Caribbean Islands to London.

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

If you are not ready to book a flight from Caribbean Islands to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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