Cheap flights from London to Miami from $543

The month of September is, on average, the cheapest month to fly to Miami from London, with most prices found around $639. If you are unable to visit Miami during the month of September, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around $656.

The cheapest day to depart from London to Miami is on a Tuesday when prices can be found for as low as $768. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Thursday is $910.

At noon is the cheapest time of day to fly from London to Miami when you can find flight prices for as low as $756. Flying to Miami at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $866. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $752 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Miami from London for as low as $673 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.

No. A direct flight is the cheapest option for a flight between London to Miami.

As of July 2026, prices for London to Miami flights are approximately 22% more expensive when compared to flights at the same time last year.

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

British Airways, Virgin Atlantic and Delta are the top three most popular airlines that fly to Miami from London according to our data. British Airways is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Miami. Keep in mind that there are 7 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 146 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

Atlanta (ATL) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $475.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 13h 23m.

Lisbon (LIS) has the shortest average layover time for this route: 1h 25m.

The number of flights available between London and Miami is 23 per day as of July 2026. The most frequent departure time is 12:00PM, with 53% of daily flights leaving in the afternoon.

The number of flights available between London and Miami is 167 per week as of July 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.