Cheap flights from London Heathrow Airport to Miami from £337

In general, September is the cheapest month to fly from London Heathrow Airport to Miami. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £461. The month of February is another great option to travel to Miami, with average flight prices from London Heathrow Airport averaging around £468.

The cheapest day to depart from London Heathrow Airport to Miami is on a Wednesday when prices can be found for as low as £552. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Miami for around £630.

Our data shows that the cheapest London Heathrow Airport to Miami flights are usually those with departure times in the morning. Our users have found flights to Miami in the morning for as low as £579. In contrast, the most expensive time of day to depart to Miami is in the afternoon when prices are around £609.

Fly from London Heathrow to Miami for the best London Heathrow - Miami flight prices

You are more likely to see cheaper flights to Miami from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Miami for around £536 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Miami from London Heathrow Airport for as low as £486 on momondo.

There are 4 cabin classes available to choose from on London Heathrow to Miami flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 13% on your flight if you consider stops on a London Heathrow Airport to Miami flight.

As of March 2026, prices for London Heathrow Airport to Miami flights are approximately 5% cheaper when compared to flights at the same time last year.

British Airways, United Airlines, and SWISS are the most popular carriers operating from London Heathrow to Miami

Virgin Atlantic, British Airways and KLM are the top three most popular airlines that fly to Miami from London Heathrow Airport according to our data. Virgin Atlantic is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Miami. Keep in mind that there are 19 different airlines that fly to Miami on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between London and Miami have experienced a delay on any given week. The average delay length over the past 12 months has been 146 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

Lisbon (LIS) was the most common stop: 32% of momondo users choosing one-stop flights on this route connected there.

Flights via Frankfurt am Main (FRA) offer the lowest average return price of £224.

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 12h 27m.

Charlotte (CLT) has the shortest average stopover time for this route: 1h 11m.

As of March 2026, 5 flights take off from London Heathrow Airport and land in Miami each day. The most common flight departure time for this route is 09:00, with 60% of daily flights taking off at midday.

As of March 2026, there are 41 flights per week flying from London Heathrow Airport to Miami. The most common day of the week flights depart is Sat, with 73% of flights taking off on this day.