Find flights
Deals
When to book
FAQs

Cheap flights from Miami to London Heathrow Airport from C$ 718

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
22 Jun — 29 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in September or February, booked 55 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Miami to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Miami to Heathrow
Explore the most affordable flight options available from Miami to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 May 2026.

Fri 4/92:03 p.m.
MIA
-
LHR
1 stop11h 22m
Delta
Thu 24/96:30 a.m.
LHR
-
MIA
1 stop13h 15m
Delta
Deal found 19/5C$ 1,317
Fri 11/911:26 a.m.
MIA
-
LHR
1 stop13h 29m
United Airlines
Fri 18/98:40 a.m.
LHR
-
MIA
1 stop13h 45m
United Airlines
Deal found 18/5C$ 1,319
Thu 10/96:05 p.m.
MIA
-
LHR
Nonstop9h 00m
Multiple Airlines
Fri 18/98:55 a.m.
LHR
-
MIA
1 stop13h 55m
Multiple Airlines
Deal found 18/5C$ 1,322
Thu 1/101:21 p.m.
MIA
-
LHR
2 stops15h 39m
United Airlines
Tue 13/108:45 a.m.
LHR
-
MIA
1 stop13h 40m
United Airlines
Deal found 18/5C$ 1,325
Fri 11/97:40 p.m.
MIA
-
LHR
1 stop12h 20m
United Airlines
Tue 15/98:45 a.m.
LHR
-
MIA
1 stop13h 40m
United Airlines
Deal found 18/5C$ 1,326
Sun 15/118:45 a.m.
MIA
-
LHR
1 stop17h 45m
United Airlines
Sun 22/116:50 a.m.
LHR
-
MIA
2 stops16h 45m
United Airlines
Deal found 19/5C$ 1,329
Wed 2/95:00 p.m.
MIA
-
LHR
Nonstop8h 55m
British Airways
Tue 22/99:55 a.m.
LHR
-
MIA
Nonstop9h 35m
British Airways
Deal found 19/5C$ 1,332
Wed 9/91:44 p.m.
MIA
-
LHR
2 stops15h 16m
United Airlines
Sun 20/96:50 a.m.
LHR
-
MIA
2 stops17h 02m
United Airlines
Deal found 19/5C$ 1,333
Tue 28/710:40 p.m.
MIA
-
LHR
Nonstop8h 55m
British Airways
Tue 18/83:35 p.m.
LHR
-
MIA
Nonstop9h 35m
British Airways
Deal found 19/5C$ 1,339
Wed 8/75:00 p.m.
MIA
-
LHR
Nonstop8h 55m
British Airways
Thu 20/89:55 a.m.
LHR
-
MIA
Nonstop9h 35m
British Airways
Deal found 21/5C$ 1,340
Tue 28/711:12 a.m.
MIA
-
LHR
1 stop13h 43m
United Airlines
Wed 12/810:25 a.m.
LHR
-
MIA
1 stop13h 27m
United Airlines
Deal found 19/5C$ 1,347
Thu 3/95:00 p.m.
MIA
-
LHR
Nonstop8h 55m
British Airways
Tue 22/93:35 p.m.
LHR
-
MIA
Nonstop9h 35m
British Airways
Deal found 19/5C$ 1,348

Find flight deals from Miami to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 May 2026.

Round-trip from

C$ 1,312

One-way from

C$ 718

Popular in

June

Cheapest in

September

Average price

C$ 1,294

Good one-way deal

C$ 878 or less
KLM
  • KLM
  • 21/10-25/10
  • 1 total stop
  • 22h 30m total
  • Miami to London
Search Deals
United Airlines
  • United Airlines
  • 16/7
  • 2 total stops
  • 14h 43m total
  • Miami to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 317 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a one-way flight from Miami to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 23 May 2026.
Use the filters below to find and compare flights from Miami to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 6/10

7:40 p.m.-9:30 p.m.

2 stops20h 50m

London Heathrow

Mon 12/10

2:25 p.m.-5:25 p.m.

2 stops32h 00m

C$ 1,351

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 8/10

7:40 p.m.-5:50 p.m.

1 stop17h 10m

London Heathrow

Mon 12/10

2:25 p.m.-5:25 p.m.

2 stops32h 00m

C$ 1,372

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 6/7

10:00 p.m.-9:10 a.m.

1 stop30h 10m

London Heathrow

Tue 14/7

8:50 p.m.-8:00 p.m.

1 stop28h 10m

C$ 1,394
Quickest round-trip

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 26/9

6:05 p.m.-8:05 a.m.

Nonstop9h 00m

London Heathrow

Sun 4/10

10:55 a.m.-3:50 p.m.

Nonstop9h 55m

C$ 1,420

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 14/7

8:48 a.m.-5:55 a.m.

1 stop16h 07m

London Heathrow

Wed 22/7

7:30 a.m.-7:26 p.m.

2 stops16h 56m

C$ 1,492

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 7/7

5:22 p.m.-8:40 p.m.

1 stop22h 18m

London Heathrow

Wed 15/7

7:30 a.m.-7:26 p.m.

2 stops16h 56m

C$ 1,492

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 5/7

11:12 a.m.-5:55 a.m.

1 stop13h 43m

London Heathrow

Tue 14/7

7:45 a.m.-4:16 p.m.

1 stop13h 31m

C$ 1,513

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 17/7

5:32 p.m.-9:25 p.m.

2 stops22h 53m

London Heathrow

Wed 22/7

7:45 a.m.-8:33 p.m.

2 stops17h 48m

C$ 1,529

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 3/7

6:05 p.m.-8:05 a.m.

Nonstop9h 00m

London Heathrow

Wed 8/7

8:55 a.m.-5:50 p.m.

1 stop13h 55m

C$ 1,547

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 29/6

9:55 p.m.-8:05 p.m.

1 stop17h 10m

London Heathrow

Wed 8/7

9:55 a.m.-8:00 p.m.

1 stop15h 05m

C$ 1,594

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/5

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Miami to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Miami with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Miami to London Heathrow Airport

How far ahead should I book a flight from Miami to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Miami to London Heathrow Airport, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Miami to London Heathrow Airport?

Currently, September is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of C$ 831). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of C$ 1,565). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MIA to LHR?

Find hourly flight availability from Miami to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 May 2026.

When flying from Miami to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Miami to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Miami to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Miami to London Heathrow?

    Located just 9.8 km from the city centre, Miami is the airport most travellers will use when flying to London Heathrow from Miami. Booking flights from Miami (MIA) to London Heathrow should be relatively easy as there are 23 daily outbound flights to London Heathrow from 0 different airlines.

  • How long is the flight from Miami to London Heathrow Airport?

    There are many flights that can get you from Miami to London Heathrow Airport in 8h 55m. Fly via SWISS, British Airways, or LEVEL to get the fastest option. The distance between Miami and London Heathrow Airport is about 7104 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Miami to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Miami to London Heathrow Airport consider choosing KLM (83%), Air France (83%) or Delta (83%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Miami to London Heathrow Airport?

    Looking for the cheapest flight from Miami to London Heathrow Airport? While on average our users pay C$ 936, our data indicates the cheapest price to be C$ 473. The most popular route (Miami - London Heathrow), is priced around C$ 1,637.

  • Can I find deals for flights from Miami to Heathrow that include hotel bookings?

    Yes. In addition to deals on Miami to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Miami to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to Heathrow.

  • Can I find deals for business class flights from Miami to Heathrow?

    Yes. Cheapflights offers flight deals from Miami to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Miami to London Heathrow Airport?

    Currently, September is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of C$ 831). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of C$ 1,565). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Hounslow
Slough
Marlow
Cobham
Leamington Spa
Northampton
Watford
Luton
High Wycombe
Stratford-upon-Avon
Moreton-in-Marsh

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Miami to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Miami today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Miami to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Miami.

Can Cheapflights find flights from Miami to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Miami shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Miami to Heathrow become cheaper?

Of course! You can now track prices for flights from Miami to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.