If you're looking to fly from London Heathrow to Miami, you might like to know that 29 / Nov / 2025 currently has the cheapest flights. At the moment, there are 18 airlines flying to Miami. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Miami.
KLM is the most popular airline that flies from London Heathrow to Miami. But it's still worth looking at other options, as there are 5,585 flights to Miami every week. If you want to broaden your search, look at flights departing from other airports.
The distance between London Heathrow to Miami is 7114 km. Normally, it takes about 13 hrs 20 mins to fly, and you can definitely expect the journey to be at least 9 hrs 35 mins. You can see the various flight times in the results.
June is normally the cheapest month to fly to Miami, but it’s important to try different options when you search. Searching by month, for instance, will show you the best time of the week to fly. March is always the most expensive time to fly but, if you check regularly and book early, you have a better chance of getting a good deal.
