Cheap flights from London Heathrow Airport to Miami from €431

The cheapest month to fly to Miami from London Heathrow Airport is in February. Flight prices, which tend to average around €595, are often lower during this time because this is during the off-season. If you are unable to visit Miami during the month of February, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around €609.

Our data shows that Sunday is the least expensive day to fly to Miami. Tickets to fly out on this day can be as low as €971. The most expensive day to fly to Miami is Wednesday, with ticket prices averaging around €1,367.

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 €676 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 €619 on momondo.

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

As of September 2026, prices for London Heathrow Airport to Miami flights are approximately 23% cheaper when compared to flights at the same time last year.

Historically, on average around 15% 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 150 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.

Saturday 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, American Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

As of September 2026, there are 16 flights per day flying from London Heathrow Airport to Miami. The most common time of day flights depart is 12:00, with 62% of flights taking off at midday.

112 flights are operational weekly from London Heathrow Airport to Miami as of September 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.