Cheap Flights from Miami International (MIA) to London Heathrow (LHR)

Compare Miami International to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Miami International to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Miami International Airport to London Heathrow Airport? If you want to travel next month, return fares start from £738. Find the lowest prices on one-way and return tickets right here.

London.£186 per passenger.Departing Tue, 8 Sep.One-way flight with French Bee.Outbound indirect flight with French Bee, departs from Miami International on Tue, 8 Sep, arriving in London Heathrow.Price includes taxes and charges.From £186, select.

London.£197 per passenger.Departing Tue, 6 Oct.One-way flight with French Bee.Outbound indirect flight with French Bee, departs from Miami International on Tue, 6 Oct, arriving in London Heathrow.Price includes taxes and charges.From £197, select.

London.£211 per passenger.Departing Sun, 6 Dec.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Miami International on Sun, 6 Dec, arriving in London Heathrow.Price includes taxes and charges.From £211, select.

London.£212 per passenger.Departing Fri, 6 Nov.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Miami International on Fri, 6 Nov, arriving in London Heathrow.Price includes taxes and charges.From £212, select.

London.£212 per passenger.Departing Mon, 18 Jan.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Miami International on Mon, 18 Jan, arriving in London Heathrow.Price includes taxes and charges.From £212, select.

London.£215 per passenger.Departing Fri, 12 Feb.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Miami International on Fri, 12 Feb, arriving in London Heathrow.Price includes taxes and charges.From £215, select.

London.£216 per passenger.Departing Mon, 1 Mar.One-way flight with LEVEL.Outbound indirect flight with LEVEL, departs from Miami International on Mon, 1 Mar, arriving in London Heathrow.Price includes taxes and charges.From £216, select.

London.£224 per passenger.Departing Tue, 28 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Miami International on Tue, 28 Jul, arriving in London Heathrow.Price includes taxes and charges.From £224, select.

London.£231 per passenger.Departing Sun, 11 Apr.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Miami International on Sun, 11 Apr, arriving in London Heathrow.Price includes taxes and charges.From £231, select.

London.£231 per passenger.Departing Wed, 19 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Miami International on Wed, 19 Aug, arriving in London Heathrow.Price includes taxes and charges.From £231, select.

London.£233 per passenger.Departing Mon, 30 Nov.One-way flight with Iberia.Outbound direct flight with Iberia departs from Miami International on Mon, 30 Nov, arriving in London Heathrow.Price includes taxes and charges.From £233, select.

London.£233 per passenger.Departing Mon, 3 May.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Miami International on Mon, 3 May, arriving in London Heathrow.Price includes taxes and charges.From £233, select.

London.£233 per passenger.Departing Sun, 6 Dec.One-way flight with Iberia.Outbound direct flight with Iberia departs from Miami International on Sun, 6 Dec, arriving in London Heathrow.Price includes taxes and charges.From £233, select.

London.£233 per passenger.Departing Mon, 5 Oct.One-way flight with Iberia.Outbound direct flight with Iberia departs from Miami International on Mon, 5 Oct, arriving in London Heathrow.Price includes taxes and charges.From £233, select.

London.£234 per passenger.Departing Mon, 19 Apr.One-way flight with Iberia.Outbound direct flight with Iberia departs from Miami International on Mon, 19 Apr, arriving in London Heathrow.Price includes taxes and charges.From £234, select.

London.£234 per passenger.Departing Tue, 22 Sep.One-way flight with Iberia.Outbound direct flight with Iberia departs from Miami International on Tue, 22 Sep, arriving in London Heathrow.Price includes taxes and charges.From £234, select.

Find the cheapest month to fly from Miami International to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Miami International to London Heathrow flights are currently cheapest in September.

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Direct flights from Miami International to London Heathrow

Miami International to London Heathrow: Alternative routes

Compare routes from Miami International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Miami to London: Flight information

The things to know before you go.

Cheapest flight found	£186
Cheapest month to fly	September
Average flight time	8 hrs, 47 mins
Most popular airline	KLM
Average flights per week	225

Finding cheap flights from Miami International to London Heathrow: Frequently asked questions

How much are return flights from Miami International to London Heathrow?

The best price we found for a return flight from Miami International to London Heathrow is £447. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Miami International to London Heathrow?

8 hours and 47 minutes is the average flight time from Miami International to London Heathrow.

Which airlines fly direct from Miami International to London Heathrow?

KLM, American Airlines and Finnair fly direct from Miami International to London Heathrow.

How many flights are there a week from Miami International to London Heathrow?

As of June 2026, there are 224 flights per week flying from Miami International to London Heathrow.

When is the cheapest time to fly from Miami International to London Heathrow?

The cheapest month to fly from Miami International to London Heathrow is usually October.

Which upcoming date is cheapest to fly from Miami International Airport to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Miami International Airport to London Heathrow Airport on Saturday, 31 October 2026.

Can I get a direct flight from Miami International Airport to London Heathrow Airport?

Yes – the average flight time is 8 hours and 47 minutes.

How can I find the best flight deal to London Heathrow?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Miami International Airport to London Heathrow with?

Currently, LEVEL and Virgin Atlantic offer the cheapest flight tickets to London Heathrow.

Flying from Miami International Airport (MIA) to London Heathrow Airport (LHR): what you need to know

Around 8 hours 50 minutes is how long you can expect to be travelling on a direct flight from Miami International Airport to London Heathrow Airport.
The timezone in London is UTC+0, which is five hours ahead of Miami.
Flights from MIA to LHR start at 17:00 — the earliest with British Airways. The last departure is at 23:45 with American Airlines. In total, there are 37 weekly Miami International Airport to London Heathrow Airport flights.
Leave plenty of time to make your MIA to LHR flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.
During popular months like July, it's best to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead for international flights when you fly during peak periods in general.
You'll find a range of airlines operating direct flights from Miami International Airport to London Heathrow Airport. When you're ready to start your London adventure, let one of these carriers fly you to this must-see corner of the United Kingdom:
Most travellers choose to fly with Virgin Atlantic on this route.
With an impressive 88.33% of services arriving on schedule, Virgin Atlantic has the best on-time performance for MIA to LHR flights.
Consider adding a stopover when booking your ticket from Miami International Airport to London Heathrow Airport. Simply deselect 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here's where you can stop between MIA and LHR:
- Atlanta Hartsfield-Jackson Airport
- Charlotte Douglas Airport
- New York John F. Kennedy Airport

How to find the cheapest flights from Miami International Airport (MIA) to London Heathrow Airport (LHR)

At the moment, £186 is the lowest price we've seen for a one-way Miami International Airport to London Heathrow Airport flight. The best price for a return plane ticket is £447. Remember that fares may change due to availability when booking.
Book seven months before you travel. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from MIA to LHR.
Schedule your trip for December. That's the cheapest month for flights from Miami International Airport to London Heathrow Airport. If you're flexible with your travel dates, use the 'Whole month' tool to find the cheapest price across each month.
There's no need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you the moment there's a new deal on cheap flights from MIA to LHR.
Discover the perfect flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Miami International Airport to London Heathrow Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Miami International Airport (MIA)

You'll find MIA at 4200 N.W. 21 Street.
Of the departures from Miami International Airport, 78% arrive as scheduled at their destination.
To reach Miami International Airport from central Miami, it'll take around 20 minutes by car. Of course, this depends on traffic. It's approximately 11 kms (7 miles) from the airport to the city centre.
You can expect a trip time of roughly 35 minutes on public transport.
Get your holiday off to a relaxed start by staying near MIA. Whether you're boarding an early flight from Miami International Airport to London Heathrow Airport or just don't like being rushed, these hotels are ideal:

Arriving at London Heathrow Airport (LHR)

If you're landing on a late Miami International Airport to London Heathrow Airport flight, nothing tops the convenience of being near the terminal. Pick up your bags from the carousel and then be showered and snoozing shortly after at one of these accommodation options near LHR:
Begin your adventure by picking up a London Heathrow Airport rental car. Grab your wheels from Surprice, U-Save or Green Motion to explore London and beyond.
Booking your ride from London Heathrow Airport around one week in advance increases your chances of getting a good deal.

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport is roughly 24 kms (15 miles) from central London. The drive time takes around 45 minutes.
When travelling on public transport, expect a journey time of about 25 minutes.

When to fly to London Heathrow Airport (LHR)

The quietest month for a flight from Miami International Airport to London Heathrow Airport is March, while July is the busiest. Choose the best time to go to London based on whether you prefer a laid-back vibe or a more bustling atmosphere.
Lock in your flight from Miami International Airport to London Heathrow Airport for July if you want to visit London during its warmest month. Expect temperatures of between 11ºC and 26ºC.
Look for cheap tickets from MIA to LHR in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.

Explore more of the United Kingdom

Manchester is just one of the many places in the United Kingdom waiting to be explored once you've taken in the sights of London. Around 257 kms (160 miles) away to the north-west, check out popular attractions including Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.
Birmingham is another favourite destination in the United Kingdom and is around 161 kms (100 miles) north-west of London. No journey is complete without visiting Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.