Cheap flights from London to Miami from $689

In general, January is the cheapest month to fly from London to Miami. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $941. If you aren’t able to travel during the month of January, then book flights to Miami from London during February instead. Flights to Miami in February, while not as cheap as those in January, still average around $948.

According to our data, Thursday is the cheapest day to fly to Miami from London. The lowest ticket price found for a Thursday departure recently was $1,726. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Wednesday is $3,223.

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 $1,079 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 $982 on momondo.

There are 2 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.

You could potentially save up to 8% on your flight if you consider stops on a London to Miami flight.

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 149 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 8% of their flights experiencing any sort of delay.

As of September 2026, 16 flights take off from London and land in Miami each day. The most common flight departure time for this route is 12:00, with 63% of daily flights taking off at midday.

As of September 2026, 112 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.