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Cheap flights from Miami to London Heathrow Airport from C$ 234

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
23 Aug — 30 Aug1
1 adult

Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in February or October, booked 64 days in advance, depart on a Sunday or Monday and return on a Wednesday

Cheap 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 18 August 2025.

Round-trip from

C$ 647

One-way from

C$ 234

Popular in

December

Cheapest in

February

Average price

C$ 959

Good round-trip deal

C$ 755 or less

Good one-way deal

C$ 651 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 31/10-3/11
  • 3 total stops
  • 48h 25m total
  • Miami to London
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 1/10
  • 1 total stop
  • 13h 05m total
  • Miami to London
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Highest demand for flights based on searches. 5% potential increase in price (C$ 79 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Miami to London Heathrow.
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Price to beat on a one-way flight from Miami to London Heathrow.
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Find flight deals from Miami to Heathrow

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 18 August 2025.

Fri 31/108:55 p.m.MIA - LHR
2 stops32h 00mScandinavian Airlines
Mon 3/116:40 a.m.LHR - MIA
1 stop16h 25mScandinavian Airlines
Deal found 17/8C$ 647
Wed 5/117:55 p.m.MIA - LHR
2 stops17h 55mScandinavian Airlines
Wed 12/116:40 a.m.LHR - MIA
1 stop16h 25mScandinavian Airlines
Deal found 18/8C$ 720
Wed 29/108:55 p.m.MIA - LHR
2 stops15h 30mScandinavian Airlines
Sat 1/113:35 p.m.LHR - MIA
2 stops31h 30mScandinavian Airlines
Deal found 17/8C$ 725
Fri 7/117:55 p.m.MIA - LHR
2 stops32h 00mScandinavian Airlines
Sun 16/117:30 p.m.LHR - MIA
1 stop27h 35mScandinavian Airlines
Deal found 16/8C$ 728
Mon 27/108:55 p.m.MIA - LHR
2 stops19h 00mScandinavian Airlines
Sun 9/116:40 a.m.LHR - MIA
2 stops16h 25mScandinavian Airlines
Deal found 18/8C$ 730
Sun 26/108:55 p.m.MIA - LHR
1 stop15h 05mScandinavian Airlines
Sun 2/116:40 p.m.LHR - MIA
1 stop28h 25mScandinavian Airlines
Deal found 17/8C$ 732
Sun 26/108:55 p.m.MIA - LHR
1 stop32h 25mScandinavian Airlines
Wed 29/106:40 a.m.LHR - MIA
2 stops20h 39mScandinavian Airlines
Deal found 17/8C$ 761
Wed 19/117:55 p.m.MIA - LHR
1 stop32h 25mScandinavian Airlines
Sat 6/121:55 p.m.LHR - MIA
1 stop33h 10mScandinavian Airlines
Deal found 17/8C$ 767
Mon 8/95:00 p.m.MIA - LHR
Nonstop8h 55mBritish Airways
Tue 16/911:30 a.m.LHR - MIA
1 stop13h 25mBritish Airways
Deal found 15/8C$ 768
Wed 1/107:27 p.m.MIA - LHR
1 stop12h 03mBritish Airways
Fri 10/109:05 a.m.LHR - MIA
1 stop13h 40mBritish Airways
Deal found 18/8C$ 772
Sat 27/92:39 p.m.MIA - LHR
1 stop12h 01mBritish Airways
Wed 8/106:15 a.m.LHR - MIA
1 stop13h 50mBritish Airways
Deal found 18/8C$ 775
Wed 19/117:55 p.m.MIA - LHR
1 stop32h 25mScandinavian Airlines
Mon 8/126:40 a.m.LHR - MIA
1 stop16h 25mScandinavian Airlines
Deal found 17/8C$ 785

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 18 August 2025.
Use the filters below to find and compare flights from Miami to London Heathrow Airport that are best for you.

Fly from

Miami

Fly to

Heathrow

Route

Depart

Return

Price

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 31/10

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

2 stops32h 00m

London Heathrow

Mon 3/11

6:40 a.m.-6:05 p.m.

1 stop16h 25m

C$ 647

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 16/1

8:40 p.m.-9:35 a.m.

2 stops31h 55m

London Heathrow

Sun 25/1

9:55 a.m.-6:35 p.m.

1 stop13h 40m

C$ 703

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 2/2

8:40 p.m.-7:55 p.m.

2 stops18h 15m

London Heathrow

Wed 11/2

7:50 p.m.-6:35 p.m.

2 stops27h 45m

C$ 713

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 27/10

8:55 p.m.-6:50 p.m.

2 stops17h 55m

London Heathrow

Mon 3/11

6:40 a.m.-6:05 p.m.

1 stop16h 25m

C$ 720

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 5/11

7:55 p.m.-6:50 p.m.

2 stops17h 55m

London Heathrow

Wed 12/11

6:40 a.m.-6:05 p.m.

1 stop16h 25m

C$ 720

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 14/11

7:55 p.m.-9:35 a.m.

2 stops32h 40m

London Heathrow

Tue 25/11

7:30 p.m.-6:05 p.m.

1 stop27h 35m

C$ 720

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 5/11

7:55 p.m.-4:00 p.m.

1 stop15h 05m

London Heathrow

Tue 11/11

7:30 p.m.-6:05 p.m.

1 stop27h 35m

C$ 732

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 19/11

7:55 p.m.-9:20 a.m.

1 stop32h 25m

London Heathrow

Wed 3/12

9:55 a.m.-6:05 p.m.

1 stop37h 10m

C$ 767

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 24/9

7:35 p.m.-9:25 a.m.

Nonstop8h 50m

London Heathrow

Wed 8/10

6:15 a.m.-3:05 p.m.

1 stop13h 50m

C$ 768

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 8/9

5:00 p.m.-6:55 a.m.

Nonstop8h 55m

London Heathrow

Tue 16/9

11:30 a.m.-7:55 p.m.

1 stop13h 25m

C$ 768

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/8

Showing 1-10 of 19 results
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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?

Use this chart to determine the optimal time to book a round-trip flight from Miami to Heathrow. Price data was last updated on 8 August 2025.

To ensure you get the cheapest price possible for a flight from Miami to London Heathrow Airport, you should look to book at least 62 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, January is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of C$ 560). Flying from Miami to London Heathrow Airport in July is currently the most expensive (average of C$ 856). 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 18 August 2025.

When flying from Miami to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 6% versus a flight in the morning.

Weekly flight availability from Miami to London Heathrow Airport

Explore weekly flight availability from Miami to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 August 2025.

The most flights from MIA to LHR are scheduled on a Monday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (26 on average).

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 26 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 32h. Fly via Scandinavian Airlines to get the fastest option. The distance between Miami and London Heathrow Airport is about 7104 km.

  • 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 Aeromexico (89%), Air France (88%) or KLM (88%) 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$ 715, our data indicates the cheapest price to be C$ 609. The most popular route (Miami - London Heathrow), is priced around C$ 778.

  • 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, January is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of C$ 560). Flying from Miami to London Heathrow Airport in July is currently the most expensive (average of C$ 856). 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
Brentford
Sutton
Hounslow
Slough
Marlow
Leamington Spa
Milton Keynes
Romford
Watford
Bromley
Luton
Bedford
Southall

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