Cheap flights from London Heathrow Airport to Miami from €356

The cheapest month to fly to Miami from London Heathrow Airport is in September. Flight prices, which tend to average around €507, are often lower during this time because this is during the off-season. If you are unable to visit Miami during the month of September, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around €527.

According to our data, the cheapest time of day to fly to Miami is in the morning. momondo users have found flights departing from London Heathrow Airport to Miami in the morning for as low as €572. 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 at midday when prices are €598 on average. Flights to Miami from London Heathrow Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 €598 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 €545 on momondo.

There is only 1 cabin class 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.

As of February 2026, prices for London Heathrow Airport to Miami flights are approximately 10% more expensive when compared to flights at the same time last year.

Historically, on average around 14% 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 140 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, 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.

As of February 2026, there are 28 flights per day flying from London Heathrow Airport to Miami. The most common time of day flights depart is 11:00, with 72% of flights taking off at midday.

198 flights are operational weekly from London Heathrow Airport to Miami as of February 2026. The most popular departure day for this route is Fri, with 15% of flights per week taking off on this day.