Cheap flights from London to Miami from €429

The cheapest month to fly to Miami from London is in January. Flight prices, which tend to average around €606, are often lower during this time because this is during the off-season. If you are unable to visit Miami during the month of January, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around €616.

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 €692 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 €625 on momondo.

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

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 153 minutes.

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

The number of flights available between London and Miami is 10 per day as of October 2026. The most frequent departure time is 12:00, with 52% of daily flights leaving at midday.

As of October 2026, 74 flights take off from London and land in Miami each week. The most common flight departure day for this route is Wed, with 28% of weekly flights taking off on this day.