Cheap flights from London to Miami from €391

The cheapest month to fly to Miami from London is in September. Flight prices, which tend to average around €472, 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 during the month May is also very affordable. Most momondo users find prices during this month for around €516.

According to our data, the cheapest time of day to fly to Miami is at midday. momondo users have found flights departing from London to Miami at midday for as low as €599. 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 in the morning when prices are €947 on average. Flights to Miami from London in the morning 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 - Miami flight prices

You are more likely to see cheaper flights to Miami from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Miami for around €618 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 for as low as €566 on momondo.

As of May 2026, prices for London to Miami flights are approximately 26% more expensive 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 135 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening 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.

The number of flights available between London and Miami is 28 per day as of May 2026. The most frequent departure time is 15:00, with 64% of daily flights leaving in the afternoon.

As of May 2026, 196 flights take off from London and land in Miami each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.