Cheap flights from London to Caribbean Islands from £237

The cheapest month to fly to Caribbean Islands from London is in January. Flight prices, which tend to average around £676, are often lower during this time because this is during the off-season. If you aren’t able to travel to Caribbean Islands during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £696.

Our data shows that Wednesday is the least expensive day to fly to Caribbean Islands. Tickets to fly out on this day can be as low as £740. On the other hand, Saturday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £873.

Our data shows that the cheapest London to Caribbean Islands flights are usually those with departure times in the morning. Our users have found flights to Caribbean Islands in the morning for as low as £761. Flights to Caribbean Islands are more costly in the afternoon, with an average ticket price of £872. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Caribbean Islands from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around £799 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from London for as low as £737 on momondo.

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

Avianca, British Airways, and Virgin Atlantic are the most popular carriers operating from London to Caribbean Islands

Virgin Atlantic, Air Canada and Finnair are the top three most popular airlines that fly to Caribbean Islands from London according to our data. Virgin Atlantic is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Caribbean Islands. Keep in mind that there are 17 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.

As of February 2026, there are 7 flights per day flying from London to Caribbean Islands. The most common time of day flights depart is 09:00, with 80% of flights taking off at midday.

As of February 2026, 55 flights take off from London and land in Caribbean Islands each week. The most common flight departure day for this route is Tue, with 25% of weekly flights taking off on this day.