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Cheap flights from Miami to London Heathrow Airport from C$ 397

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

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 Thursday or Saturday 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 20 November 2025.

Round-trip from

C$ 849

One-way from

C$ 371

Popular in

December

Cheapest in

February

Average price

C$ 1,025
Scandinavian Airlines
  • Scandinavian Airlines
  • 13/1-21/1
  • 4 total stops
  • 44h 54m total
  • Miami to London
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17/2
  • 17/2
  • 1 total stop
  • 12h 15m total
  • Miami to London
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Highest demand for flights based on searches. 7% potential increase in price (C$ 121 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 39 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 20 November 2025.

Wed 31/121:33 p.m.MIA - LHR
1 stop15h 42mUnited Airlines
Wed 7/112:05 p.m.LHR - MIA
1 stop31h 35mUnited Airlines
Deal found 19/11C$ 946
Tue 23/127:55 p.m.MIA - LHR
2 stops32h 40mScandinavian Airlines
Sat 7/210:35 a.m.LHR - MIA
2 stops61h 00mScandinavian Airlines
Deal found 19/11C$ 952
Mon 1/124:35 p.m.MIA - LHR
1 stop25h 05mTAP AIR PORTUGAL
Wed 7/16:30 p.m.LHR - MIA
1 stop25h 00mTAP AIR PORTUGAL
Deal found 19/11C$ 955
Wed 3/125:20 p.m.MIA - LHR
1 stop11h 55mMultiple Airlines
Wed 10/122:00 p.m.LHR - MIA
Nonstop10h 25mMultiple Airlines
Deal found 19/11C$ 962
Sat 6/129:45 p.m.MIA - LHR
1 stop30h 25mLEVEL
Sat 13/128:50 p.m.LHR - MIA
1 stop28h 10mLEVEL
Deal found 20/11C$ 963
Mon 8/129:25 p.m.MIA - LHR
Nonstop8h 45mVirgin Atlantic
Tue 16/129:40 a.m.LHR - MIA
1 stop18h 57mVirgin Atlantic
Deal found 20/11C$ 969
Wed 10/122:29 p.m.MIA - LHR
2 stops15h 21mUnited Airlines
Tue 16/129:10 a.m.LHR - MIA
2 stops17h 33mUnited Airlines
Deal found 19/11C$ 981
Wed 3/1210:54 a.m.MIA - LHR
2 stops15h 16mUnited Airlines
Mon 8/127:40 a.m.LHR - MIA
1 stop14h 15mUnited Airlines
Deal found 19/11C$ 990
Fri 5/124:40 p.m.MIA - LHR
1 stop15h 20mSWISS
Tue 9/127:00 a.m.LHR - MIA
2 stops15h 30mSWISS
Deal found 19/11C$ 992
Fri 5/127:12 a.m.MIA - LHR
2 stops21h 08mScandinavian Airlines
Sun 7/126:40 a.m.LHR - MIA
2 stops16h 25mScandinavian Airlines
Deal found 20/11C$ 1,001
Thu 4/1210:54 a.m.MIA - LHR
2 stops15h 16mUnited Airlines
Thu 11/126:50 a.m.LHR - MIA
2 stops18h 19mUnited Airlines
Deal found 20/11C$ 1,005
Tue 2/1211:23 a.m.MIA - LHR
2 stops23h 37mScandinavian Airlines
Thu 5/26:40 a.m.LHR - MIA
2 stops16h 55mScandinavian Airlines
Deal found 19/11C$ 1,016

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 20 November 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

Thu 1/1

9:00 a.m.-5:55 a.m.

1 stop15h 55m

London Heathrow

Sun 11/1

1:25 p.m.-2:38 p.m.

2 stops30h 13m

C$ 884

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 10/1

9:00 a.m.-6:40 a.m.

2 stops16h 40m

London Heathrow

Sat 17/1

7:30 a.m.-8:29 p.m.

2 stops17h 59m

C$ 896

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 30/3

9:50 a.m.-6:55 a.m.

2 stops16h 05m

London Heathrow

Thu 30/4

8:45 a.m.-5:30 p.m.

1 stop13h 45m

C$ 960

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 22/4

7:00 a.m.-9:35 a.m.

2 stops21h 35m

London Heathrow

Mon 27/4

7:50 p.m.-11:13 p.m.

2 stops32h 23m

C$ 1,013

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 10/4

9:45 p.m.-9:10 a.m.

1 stop30h 25m

London Heathrow

Sun 19/4

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

1 stop28h 10m

C$ 1,047

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 11/12

6:20 p.m.-8:15 a.m.

Nonstop8h 55m

London Heathrow

Mon 15/12

11:25 a.m.-8:45 p.m.

1 stop14h 20m

C$ 1,067

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 10/12

7:12 a.m.-6:55 a.m.

1 stop18h 43m

London Heathrow

Mon 22/12

2:00 p.m.-7:25 p.m.

Nonstop10h 25m

C$ 1,068

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 7/3

10:10 p.m.-12:05 p.m.

Nonstop8h 55m

London Heathrow

Fri 13/3

4:15 p.m.-5:50 p.m.

1 stop29h 35m

C$ 1,075

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 7/3

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

2 stops21h 20m

London Heathrow

Fri 13/3

9:05 p.m.-7:35 p.m.

2 stops26h 30m

C$ 1,081

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 11/12

5:56 p.m.-11:15 a.m.

1 stop12h 19m

London Heathrow

Mon 15/12

9:30 a.m.-10:42 p.m.

2 stops18h 12m

C$ 1,089

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/11

Showing 1-10 of 23 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 14 November 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$ 401). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of C$ 858). 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 20 November 2025.

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.

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 25 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 45m. Fly via United Airlines, Virgin Atlantic, or Delta 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 (91%), Air France (91%) or Delta (91%) as they are the most reliable in getting you off to your destination on time.

  • 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$ 401). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of C$ 858). 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
Sutton
Twickenham
Slough
Marlow
Leamington Spa
Milton Keynes
Romford
Watford
Bedford
Luton
Stratford-upon-Avon
Gatwick
Hounslow

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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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