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Cheap flights from Miami to London Heathrow Airport from C$ 296

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
1 Nov — 8 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in February or September, booked 62 days in advance, depart on a Saturday or Tuesday 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 2 October 2025.

Round-trip from

C$ 720

One-way from

C$ 296

Popular in

December

Cheapest in

February

Average price

C$ 903

Good one-way deal

C$ 681 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 13/12-6/1
  • 2 total stops
  • 68h 45m total
  • Miami to London
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 25/11
  • 1 total stop
  • 24h 00m total
  • Miami to London
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Highest demand for flights based on searches. 5% potential increase in price (C$ 88 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 35 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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

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 2 October 2025.

Sat 13/127:55 p.m.MIA - LHR
1 stop32h 00mScandinavian Airlines
Tue 6/110:20 a.m.LHR - MIA
1 stop36h 45mScandinavian Airlines
Deal found 2/10C$ 720
Thu 20/1111:42 a.m.MIA - LHR
2 stops23h 18mScandinavian Airlines
Sun 30/116:40 a.m.LHR - MIA
2 stops16h 25mScandinavian Airlines
Deal found 2/10C$ 732
Thu 4/127:55 p.m.MIA - LHR
1 stop17h 35mScandinavian Airlines
Wed 7/16:40 a.m.LHR - MIA
1 stop16h 25mScandinavian Airlines
Deal found 2/10C$ 737
Fri 21/116:55 a.m.MIA - LHR
2 stops28h 05mScandinavian Airlines
Mon 1/126:40 a.m.LHR - MIA
1 stop16h 25mScandinavian Airlines
Deal found 2/10C$ 744
Fri 21/116:55 a.m.MIA - LHR
2 stops28h 05mScandinavian Airlines
Fri 5/127:50 p.m.LHR - MIA
2 stops27h 15mScandinavian Airlines
Deal found 2/10C$ 749
Tue 11/116:55 a.m.MIA - LHR
2 stops29h 45mScandinavian Airlines
Wed 3/129:05 p.m.LHR - MIA
1 stop26h 00mScandinavian Airlines
Deal found 2/10C$ 758
Tue 4/1112:05 p.m.MIA - LHR
2 stops25h 25mScandinavian Airlines
Sat 15/115:30 p.m.LHR - MIA
2 stops29h 35mScandinavian Airlines
Deal found 1/10C$ 762
Tue 11/116:55 a.m.MIA - LHR
2 stops28h 05mScandinavian Airlines
Sat 6/1210:35 a.m.LHR - MIA
2 stops36h 30mScandinavian Airlines
Deal found 2/10C$ 763
Thu 25/127:00 a.m.MIA - LHR
2 stops28h 00mScandinavian Airlines
Mon 5/17:50 p.m.LHR - MIA
2 stops51h 15mScandinavian Airlines
Deal found 2/10C$ 769
Thu 27/1111:27 a.m.MIA - LHR
2 stops25h 13mScandinavian Airlines
Sun 30/116:40 a.m.LHR - MIA
2 stops16h 25mScandinavian Airlines
Deal found 1/10C$ 773
Tue 11/116:55 a.m.MIA - LHR
2 stops28h 05mScandinavian Airlines
Sun 7/125:00 p.m.LHR - MIA
1 stop30h 05mScandinavian Airlines
Deal found 2/10C$ 774

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 2 October 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

Sat 13/12

7:55 p.m.-12:55 p.m.

1 stop36h 00m

London Heathrow

Wed 7/1

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

1 stop16h 25m

C$ 720

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 29/1

7:00 a.m.-9:20 a.m.

2 stops21h 20m

London Heathrow

Mon 2/2

10:20 a.m.-6:35 p.m.

1 stop13h 15m

C$ 756

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 10/2

8:40 p.m.-4:00 p.m.

1 stop14h 20m

London Heathrow

Wed 18/2

7:30 p.m.-6:35 p.m.

2 stops28h 05m

C$ 784

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 6/2

7:00 a.m.-9:20 a.m.

2 stops21h 20m

London Heathrow

Tue 17/2

10:20 a.m.-6:35 p.m.

1 stop13h 15m

C$ 799

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 3/12

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

2 stops44h 25m

London Heathrow

Sun 7/12

5:00 p.m.-6:05 p.m.

1 stop30h 05m

C$ 831

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 4/11

12:05 p.m.-5:40 p.m.

2 stops24h 35m

London Heathrow

Mon 10/11

6:40 a.m.-11:50 p.m.

2 stops22h 10m

C$ 841

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 24/11

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

2 stops17h 55m

London Heathrow

Mon 1/12

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

2 stops26h 00m

C$ 843

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 13/12

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

1 stop32h 00m

London Heathrow

Thu 8/1

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

1 stop16h 25m

C$ 854

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 28/11

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

1 stop32h 25m

London Heathrow

Sat 6/12

1:55 p.m.-6:05 p.m.

1 stop33h 10m

C$ 854

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 6/2

8:40 p.m.-9:20 a.m.

1 stop31h 40m

London Heathrow

Sat 14/2

5:30 p.m.-6:35 p.m.

1 stop30h 05m

C$ 869

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 21 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 26 September 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$ 855). 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 2 October 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 5% versus a flight in the morning.

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 21 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 36h. 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 (93%), KLM (88%) or Air France (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$ 681, our data indicates the cheapest price to be C$ 615. The most popular route (Miami - London Heathrow), is priced around C$ 788.

  • 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$ 855). 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
Bedford
Luton
Southall
Gatwick

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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.

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