Cheap flights from Miami to London from £274

The cheapest month to fly to London from Miami is in February. Flight prices, which tend to average around £520, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Miami averaging around £581.

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £709. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Miami to London for around £837.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £774. Flights in the evening are often more expensive, with an average ticket price of £782.

Fly from Miami to London Heathrow for the best Miami - London flight prices

You are more likely to see cheaper flights to London from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £745 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Miami for as low as £698 on momondo.

There are 4 cabin classes available to choose from on Miami to London 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 Miami to London.

As of October 2026, prices for Miami to London flights are approximately 68% more expensive when compared to flights at the same time last year.

Air Europa, Delta, and Virgin Atlantic are the most popular carriers operating from Miami to London

Virgin Atlantic, British Airways and American Airlines are the top three most popular airlines that fly to London from Miami according to our data. Virgin Atlantic is the first choice among our users, with 54% of people opting to fly with this airline when travelling to London. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Miami and London have experienced a delay on any given week. The average delay length over the past 12 months has been 166 minutes.

Generally, flights departing in the morning 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. Wednesday 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.

Madrid (MAD) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

Flights via Madrid (MAD) offer the lowest average return price of £756.

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 13h 55m.

Madrid (MAD) has the shortest average stopover time for this route: 2h 25m.

21 flights are operational daily from Miami to London as of October 2026. The most popular departure time for this route is 19:00, with 77% of flights per day taking off in the evening.

As of October 2026, there are 153 flights per week flying from Miami to London. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.