£324 Cheap American Airlines flights from Miami to London (MIA→LHR)

View £324 flight on Mon, 12 Jan 2026Opens in a new window
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American Airlines flights from Miami to London (MIA→LHR)

Prices were available within the past 7 days and start at £324 for one-way flights and £382 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 12 Nov - Wed, 26 Nov
MIA
Miami
LHR
London
£382 Return, found 20 hours ago
£382
Return
found 20 hours ago
Select American Airlines flight, departing Wed, 12 Nov from Miami to London, returning Wed, 26 Nov, priced at £382 found 20 hours ago
American Airlines
Thu, 16 Oct - Fri, 24 Oct
MIA
Miami
LHR
London
£387 Return, found 1 day ago
£387
Return
found 1 day ago
Select American Airlines flight, departing Thu, 16 Oct from Miami to London, returning Fri, 24 Oct, priced at £387 found 1 day ago
Flight from Miami to London route information
Origin airport
Miami Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, Virgin Atlantic, avianca
Popular airline
British Airways
Distance
7067 km
Average flight time
13 hours 52 mins

Frequently asked questions

How much is an American Airlines flight from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)?
Scoring cheap one-way American Airlines flights from MIA to LHR from £324 on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from £382 for your next exciting holiday.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from MIA to LHR with American Airlines?
Browse for one-way or round-trip flights to London in January or February. You could find a cheap fare with American Airlines during these off-peak months.
Does American Airlines fly nonstop from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)?
American Airlines offers direct flights from Miami Intl. Airport (MIA) to Heathrow Airport (LHR), with 14 weekly departures. Just choose the "Nonstop" and "Airline" filters during your search on Expedia to find all direct American Airlines flights to LHR.
How long does it take to fly from MIA to LHR with American Airlines?
It takes around 8h 49m to travel nonstop from Miami Intl. Airport (MIA) to Heathrow Airport (LHR) with American Airlines.
Which day of the week has the most American Airlines flights from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)?
If it's flexibility you're after, Wednesday offers the most choice for American Airlines flights from Miami Intl. Airport (MIA) to Heathrow Airport (LHR). You can select from 2 different departures.
What airports does American Airlines fly into in London?
Heathrow Airport (LHR) is the main arrival point for American Airlines flights from Miami Intl. Airport (MIA) to London. But this airline also flies to Gatwick Airport (LGW). Be sure to choose Expedia's "All Airports" option for your destination to see exactly what's available for your journey to London.
What type of plane does American Airlines fly from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)?
Most likely, you'll catch a Boeing 777-300ER for your American Airlines flight from Miami Intl. Airport (MIA) to Heathrow Airport (LHR). However, you may be switched to a different aircraft if there's an operational need.
Can I change or cancel my American Airlines flight from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)?
Depending on the type of ticket you purchased, a fee may apply if you change or cancel your flight more than 24 hours after it's been confirmed. To find flexible fares, select our "Changes included" or "No cancel fee" filter when searching for flights. For more information on cancelling or changing your reservation, head to "Trips," select your flight and click on "Manage Booking."
*Available to Expedia members.