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Cheap flights from Miami to London Heathrow Airport from C$ 667

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 14/8. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
23 May — 30 May1
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 Thursday or Tuesday 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 April 2026.

Wed 9/99:45 p.m.
MIA
-
LHR
1 stop17h 20m
LEVEL
Wed 30/99:55 a.m.
LHR
-
MIA
1 stop15h 05m
LEVEL
Deal found 18/4C$ 1,007
Mon 2/119:45 p.m.
MIA
-
LHR
1 stop17h 20m
Multiple Airlines
Mon 9/119:55 a.m.
LHR
-
MIA
1 stop15h 05m
Multiple Airlines
Deal found 19/4C$ 1,009
Sat 31/108:55 p.m.
MIA
-
LHR
2 stops60h 00m
Scandinavian Airlines
Wed 4/1110:20 a.m.
LHR
-
MIA
1 stop36h 45m
Scandinavian Airlines
Deal found 20/4C$ 1,019
Fri 18/99:45 p.m.
MIA
-
LHR
1 stop30h 25m
LEVEL
Tue 22/98:50 p.m.
LHR
-
MIA
1 stop28h 10m
LEVEL
Deal found 19/4C$ 1,020
Mon 14/99:45 p.m.
MIA
-
LHR
1 stop30h 25m
LEVEL
Thu 24/98:50 p.m.
LHR
-
MIA
1 stop28h 10m
LEVEL
Deal found 18/4C$ 1,024
Wed 21/109:45 p.m.
MIA
-
LHR
1 stop30h 25m
LEVEL
Fri 30/109:55 a.m.
LHR
-
MIA
1 stop15h 05m
LEVEL
Deal found 18/4C$ 1,029
Wed 21/1011:35 a.m.
MIA
-
LHR
2 stops23h 50m
Scandinavian Airlines
Fri 30/107:50 p.m.
LHR
-
MIA
2 stops27h 15m
Scandinavian Airlines
Deal found 18/4C$ 1,049
Fri 11/99:45 p.m.
MIA
-
LHR
1 stop17h 20m
LEVEL
Tue 22/98:50 p.m.
LHR
-
MIA
1 stop28h 10m
LEVEL
Deal found 22/4C$ 1,052
Mon 21/99:45 p.m.
MIA
-
LHR
1 stop30h 25m
LEVEL
Fri 25/99:55 a.m.
LHR
-
MIA
1 stop15h 05m
LEVEL
Deal found 19/4C$ 1,068
Tue 3/1111:15 a.m.
MIA
-
LHR
2 stops23h 45m
Scandinavian Airlines
Thu 12/117:50 p.m.
LHR
-
MIA
2 stops27h 15m
Scandinavian Airlines
Deal found 21/4C$ 1,072
Fri 18/99:45 p.m.
MIA
-
LHR
1 stop30h 25m
LEVEL
Mon 21/99:55 a.m.
LHR
-
MIA
1 stop15h 05m
LEVEL
Deal found 18/4C$ 1,076

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 April 2026.

Round-trip from

C$ 1,007

One-way from

C$ 667

Popular in

December

Cheapest in

September

Average price

C$ 1,098
LEVEL
  • LEVEL
  • 9/9-30/9
  • 2 total stops
  • 32h 25m total
  • Miami to London
Search Deals
LEVEL
  • LEVEL
  • 14/8
  • 1 total stop
  • 30h 25m total
  • Miami to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 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

Sun 16/8

9:45 p.m.-8:05 p.m.

1 stop17h 20m

London Heathrow

Sun 23/8

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

1 stop15h 05m

C$ 1,115

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 19/8

8:48 a.m.-8:35 a.m.

2 stops18h 47m

London Heathrow

Tue 25/8

8:45 a.m.-5:25 p.m.

1 stop13h 40m

C$ 1,239
Quickest round-trip

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 10/5

10:35 p.m.-12:35 p.m.

Nonstop9h 00m

London Heathrow

Thu 21/5

3:50 p.m.-8:45 p.m.

Nonstop9h 55m

C$ 1,270

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 6/5

10:35 p.m.-12:35 p.m.

Nonstop9h 00m

London Heathrow

Wed 13/5

3:50 p.m.-8:45 p.m.

Nonstop9h 55m

C$ 1,272

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 18/8

7:30 p.m.-12:05 p.m.

1 stop11h 35m

London Heathrow

Tue 25/8

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

Nonstop9h 55m

C$ 1,277

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 5/8

8:48 a.m.-7:45 a.m.

1 stop17h 57m

London Heathrow

Tue 18/8

3:30 p.m.-2:40 p.m.

1 stop28h 10m

C$ 1,281

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 27/9

10:35 p.m.-12:35 p.m.

Nonstop9h 00m

London Heathrow

Sun 4/10

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

1 stop13h 55m

C$ 1,310

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 1/9

8:48 a.m.-6:30 a.m.

2 stops16h 42m

London Heathrow

Mon 14/9

8:40 a.m.-5:30 p.m.

1 stop13h 50m

C$ 1,311

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 18/8

10:35 p.m.-12:35 p.m.

Nonstop9h 00m

London Heathrow

Tue 1/9

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

Nonstop9h 55m

C$ 1,339

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 28/8

1:34 p.m.-6:55 a.m.

1 stop12h 21m

London Heathrow

Mon 7/9

12:10 p.m.-5:25 p.m.

1 stop34h 15m

C$ 1,380

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/4

Showing 1-10 of 21 resultsSorted by cheapest first
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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 17 April 2026.

To ensure you get the cheapest price possible for a flight from Miami to London Heathrow Airport, you should look to book at least 55 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$ 824). Flying from Miami to London Heathrow Airport in December is currently the most expensive (average of C$ 1,333). 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 April 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 30 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 9h. Fly via LEVEL, KLM, or United Airlines 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 Air France (83%), Delta (83%) or Virgin Atlantic (83%) 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, September is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of C$ 824). Flying from Miami to London Heathrow Airport in December is currently the most expensive (average of C$ 1,333). 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
Twickenham
Bromley
Sutton
Slough
Marlow
Cobham
Leamington Spa
Watford
Luton
High Wycombe
Stratford-upon-Avon
Hounslow
Moreton-in-Marsh

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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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