Cheap Flights from Miami (MIA) to London (LHR) from HK$2,489~

If you're traveling from Miami Airport to Heathrow Airport (LHR), round-trip journeys start from HK$7,311. This price is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.

This differs between airlines, as each has its own terms and conditions. Visit the Customer Service Portal, where you'll find instructions on how to cancel online.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Miami Airport to LHR flights, you'll see a "no change fees" filter for you to select.

With around 7,100 kilometers separating Miami and Hounslow, your flight will be a long one. Pack wisely to make your time in the air comfortable. Things like a sleep mask and a good neck pillow should be in your hand luggage.

There are a few airlines that travel directly from MIA to Heathrow Airport. American Airlines (AA) is an excellent choice, offering 65 flights a month. You could also take a look at the fares on offer with British Airways (BA). It operates 60 monthly flights between Miami and Hounslow.

Last-minute planners can sometimes find a bargain, with some super cheap fares from Miami Airport to LHR emerging a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines publish prices so far in advance.