Cheap flights from London to Miami from £354

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 £515. The month of February is another great option to travel to Miami, with average flight prices from London averaging around £519.

The cheapest day to depart from London to Miami is on a Wednesday when prices can be found for as low as £616. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London to Miami for around £678.

Our data shows that the cheapest London to Miami flights are usually those with departure times at midday. Our users have found flights to Miami at midday for as low as £607. In contrast, the most expensive time of day to depart to Miami is in the afternoon when prices are around £670.

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 £588 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 £533 on momondo.

There are 4 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.

SWISS, United Airlines, and British Airways are the most popular carriers operating from London to Miami

Virgin Atlantic, British Airways and Iberia are the top three most popular airlines that fly to Miami from London according to our data. Virgin Atlantic is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Miami. Keep in mind that there are 19 different airlines that fly to Miami on a routine basis, so you have a few additional options to choose from.

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.

Atlanta (ATL) was the most common stop: 21% of momondo users choosing one-stop flights on this route connected there.

Flights via Frankfurt am Main (FRA) offer the lowest average return price of £226.

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 12h 12m.

Charlotte (CLT) has the shortest average stopover time for this route: 0h 56m.

18 flights are operational daily from London to Miami as of October 2026. The most popular departure time for this route is 09:00, with 67% of flights per day taking off at midday.

132 flights are operational weekly from London to Miami as of October 2026. The most popular departure day for this route is Tue, with 16% of flights per week taking off on this day.