$215 Cheap Flights from Miami (MIA) to London (LHR)

Popular airlines from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)

Find available prices by choosing your travel dates.

Cheap Flights from Miami to London (MIA-LHR)

Prices were available within the past 7 days and start at $215 for one-way flights and $430 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Scandinavian Airlines
Virgin Atlantic
Delta
British Airways
American Airlines
KLM
Air France
JetBlue Airways
Iberia
Flights from Miami (MIA) to London (LHR)
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, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic, avianca
Roundtrip price
$429
Distance
4416 mi

Miami to London Flights

The cheapest times to fly from Miami to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Miami to London are during the month of March. You can find some of the cheapest flights from Miami to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Miami to London

Sunday is one of the best days to book for cheap flights from Miami to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Miami to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Miami to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $215 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Miami to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Miami to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from Miami Intl. Airport (MIA) to LHR?
American Airlines operates a direct flight leaving from MIA at 9:05PM and landing at London Heathrow at 10:50AM — a flying time of 8 hours and 45 minutes. Lock in the best seat available, bring something to keep you occupied and the time will speed by.
Is it cheaper to buy a plane ticket from MIA to London Heathrow last minute?
Booking your journey from Miami Intl. Airport (MIA) to Heathrow Airport at the last minute could save you some dough if you get lucky and find an epic deal. However, tickets don’t typically get cheaper closer to the departure date. If you procrastinate, flights could also be booked solid or the best seats taken (because who wants the middle seat?). If you’d rather play it safe, book well in advance of your departure date. Keep in mind that some of the best deals can be found up to a year in advance. If your favorite carrier hasn’t released its airfares yet, check back regularly as offers are constantly updated on Expedia.
What airline has the least delays from MIA to Heathrow Airport (LHR)?
Fly with American Airlines from MIA to London Heathrow and you’re more likely to arrive at the time listed on your boarding card. This carrier takes out first place on this route, with 64% of flights arriving on time. If you find yourself facing a delay, the Expedia App is the perfect way to stay updated. Our helpful app will give you real-time trip notifications, from flight delays to any gate number changes.
What airports do you fly into for London from Miami?
Heathrow Airport (LHR), London City Airport (LCY) and Gatwick Airport (LGW) are your choices when taking off from Miami to London. About 14 mi west of the heart of London, Heathrow Airport (LHR) is the city’s main hub. Keep in mind factors such as flight schedules and the distance to your hotel before deciding on an airport. Big Ben and Buckingham Palace are a couple of great attractions to explore when you arrive at your destination.
What are the most popular departure times for flights from MIA to London Heathrow?
Between 7:00 PM - 8:00 PM is when you’ll find many American Airlines flights making their way from MIA to LHR. Our advice? Book a trip that departs in the morning. With air traffic yet to build up, your odds of jumping on a delay-free flight are higher.
Can I change the date of my flight from MIA to Heathrow Airport?
It’s a cinch to make changes to your MIA to Heathrow Airport journey yourself. Just go to the Expedia Trips portal and click on “change flight.” Browse around for new flights and book the one that better suits your plans. You’ll get an estimate of any flight change fees. Alternatively, visit our Customer Service portal to connect with our Virtual Agent and quickly get answers to all your questions.

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*Available to One Key members.