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Cheap flights from Miami to London from £122

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Miami to London departing on 16/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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SWISS Logo
19:40 - 13:00MIA-LHR
12h 20m1 stop
SWISS Logo
17:10 - 17:30LHR-MIA
29h 20m1 stop
£202SWISS
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Tue, 12 Aug - Tue, 19 Aug
SWISS Logo
20:50 - 13:00MIA-LHR
12h 10m1 stop
SWISS Logo
20:05 - 17:30LHR-MIA
26h 25m1 stop
£238SWISS
Find Deal
Mon, 27 Oct - Sun, 9 Nov
Virgin Atlantic Logo
19:30 - 13:30MIA-LHR
13h 00m1 stop
Virgin Atlantic Logo
06:15 - 14:15LHR-MIA
13h 00m1 stop
£321Virgin Atlantic
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Mon, 18 Aug - Wed, 27 Aug
Virgin Atlantic Logo
22:30 - 12:15MIA-LHR
8h 45mdirect
Virgin Atlantic Logo
06:15 - 14:15LHR-MIA
13h 00m1 stop
£326Virgin Atlantic
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Mon, 18 Aug - Wed, 27 Aug
Iberia Logo
14:59 - 08:05MIA-LHR
12h 06m1 stop
Iberia Logo
12:15 - 17:00LHR-MIA
9h 45mdirect
£345Iberia
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Mon, 25 Aug - Fri, 5 Sep
Air Canada Logo
07:55 - 06:30MIA-LHR
17h 35m1 stop
Air Canada Logo
14:05 - 23:16LHR-MIA
14h 11m1 stop
£347Air Canada
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Sun, 10 Aug - Tue, 26 Aug
Air Canada Logo
07:55 - 10:00MIA-LHR
21h 05m1 stop
Air Canada Logo
06:50 - 23:16LHR-MIA
21h 26m2 stops
£350Air Canada
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Wed, 13 Aug - Wed, 27 Aug
British Airways Logo
17:00 - 06:55MIA-LHR
8h 55mdirect
British Airways Logo
09:05 - 17:15LHR-MIA
13h 10m1 stop
£364British Airways
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Wed, 20 Aug - Fri, 29 Aug
British Airways Logo
17:00 - 06:55MIA-LHR
8h 55mdirect
British Airways Logo
10:10 - 20:00LHR-MIA
14h 50m1 stop
£365British Airways
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Wed, 1 Oct - Wed, 8 Oct
Iberia Logo
14:55 - 08:05MIA-LHR
12h 10m1 stop
Iberia Logo
09:55 - 20:00LHR-MIA
15h 05m1 stop
£369Iberia
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Sun, 19 Oct - Wed, 5 Nov

SWISS flights from Miami to London Heathrow Airport

Our best SWISS deals on Miami to London Heathrow Airport flight tickets
SWISS
12 Aug
MIA19:40Miami
12h 20m
1 stop
LHR13:00London Heathrow
19 Aug
LHR17:10London Heathrow
29h 20m
1 stop
MIA17:30Miami
£202
Find similar
SWISS
27 Oct
MIA20:50Miami
12h 10m
1 stop
LHR13:00London Heathrow
9 Nov
LHR20:05London Heathrow
26h 25m
1 stop
MIA17:30Miami
£238
Find similar
SWISS
26 Jan
MIA19:50Miami
12h 10m
1 stop
LHR13:00London Heathrow
8 Feb
LHR20:05London Heathrow
26h 25m
1 stop
MIA17:30Miami
£240
Find similar

British Airways flights from Miami to London Heathrow Airport

Our best British Airways deals on Miami to London Heathrow Airport flight tickets
British Airways
20 Aug
MIA17:00Miami
8h 55m
LHR06:55London Heathrow
29 Aug
LHR09:05London Heathrow
13h 10m
1 stop
MIA17:15Miami
£364
Find similar
British Airways
6 Aug
MIA19:30Miami
8h 55m
LHR09:25London Heathrow
20 Aug
LHR08:45London Heathrow
13h 30m
1 stop
MIA17:15Miami
£365
Find similar
British Airways
6 Aug
MIA19:30Miami
8h 55m
LHR09:25London Heathrow
20 Aug
LHR08:45London Heathrow
13h 30m
1 stop
MIA17:15Miami
£366
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Miami to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 31 July 2025.
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

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 12/8

19:40-13:00

1 stop12h 20m

London Heathrow

Tue 19/8

17:10-17:30

1 stop29h 20m

£202

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 27/10

20:50-13:00

1 stop12h 10m

London Heathrow

Sun 9/11

20:05-17:30

1 stop26h 25m

£238

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 18/8

19:30-13:30

1 stop13h 00m

London Heathrow

Wed 27/8

06:15-14:15

1 stop13h 00m

£321

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 18/8

22:30-12:15

Nonstop8h 45m

London Heathrow

Wed 27/8

06:15-14:15

1 stop13h 00m

£326

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 25/8

14:59-08:05

1 stop12h 06m

London Heathrow

Fri 5/9

12:15-17:00

Nonstop9h 45m

£345

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 10/8

07:55-06:30

1 stop17h 35m

London Heathrow

Tue 26/8

14:05-23:16

1 stop14h 11m

£347

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 13/8

07:55-10:00

1 stop21h 05m

London Heathrow

Wed 27/8

06:50-23:16

2 stops21h 26m

£350

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 20/8

17:00-06:55

Nonstop8h 55m

London Heathrow

Fri 29/8

09:05-17:15

1 stop13h 10m

£364

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 1/10

17:00-06:55

Nonstop8h 55m

London Heathrow

Wed 8/10

10:10-20:00

1 stop14h 50m

£365

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 19/10

14:55-08:05

1 stop12h 10m

London Heathrow

Wed 5/11

09:55-20:00

1 stop15h 05m

£369

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Miami to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Miami and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, February is the cheapest month to fly from Miami to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £400. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Miami averaging around £472.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Miami is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £478. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £653.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Miami to London Heathrow Airport at midday for as low as £523. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £582 on average. Flights to London Heathrow Airport from Miami in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Miami to London Heathrow flight route?

Fly from Miami to London Heathrow for the best Miami - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £540 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Miami for as low as £482 on momondo.

What cabin class options are available on Miami to London Heathrow flights?

There are 4 cabin classes available to choose from on Miami to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Miami to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between Miami to London Heathrow Airport.

How have Miami to London Heathrow Airport flight prices changed over time?

As of July 2025, prices for Miami to London Heathrow Airport flights are approximately 49% cheaper when compared to flights at the same time last year.

When to book flights from Miami to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Miami to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Miami to London Heathrow Airport (MIA to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Miami to London Heathrow Airport

Best price found

£122

Fastest flight time

8h 30m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Miami in the past 72 hours is £122. The best return flight deal from Miami to London Heathrow Airport found on momondo in the last 72 hours is £202.
The fastest flight from Miami to London Heathrow Airport takes 8h 30m
Direct flights go from Miami to London Heathrow Airport every day.
Search flight deals

  • How far is Miami to London Heathrow by plane?

    The distance between Miami and London Heathrow is about 4411.3 mi. 8h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Miami Airport to London Heathrow Airport?

    Prices for flights from Miami Airport to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Miami Airport to London Heathrow Airport?

  • How old do you have to be to fly from Miami Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Miami Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Miami to London Heathrow Airport?

  • What is the most popular airline from Miami to London Heathrow Airport?

Best airlines flying from Miami to London Heathrow Airport

Compare and see reviews for airlines that fly from Miami to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £299Free CancellationRating
7.8
1,383 reviews
Search KLM flights
Air FrancePriceFrom £302Free CancellationRating
7.5
1,465 reviews
Search Air France flights
Virgin AtlanticPriceFrom £333Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £363Free CancellationRating
6.6
7,217 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom £384Free CancellationRating
7.1
1,930 reviews
Search TAP AIR PORTUGAL flights
FinnairPriceFrom £484Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
IberiaPriceFrom £534Free CancellationRating
7.0
2,859 reviews
Search Iberia flights

  • KLM Flights From Miami to London Heathrow Airport

    KLM is one of the most popular airlines flying from Miami to London Heathrow Airport, operating 14 flights/week on average for this route. A good KLM flight deal for Miami to London Heathrow Airport starts from £399 round-trip, up to an average price of £606. Our users have rated KLM at 7.8/10.

  • Finnair Flights From Miami to London Heathrow Airport

    Across 1,316 Finnair reviews on momondo, the average score is 7.6/10. Finnair flies from Miami to London Heathrow Airport about 20 times each week, with ticket deals ranging from £644 to £1,146. Price data is based on momondo searches in the last 72 hours.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Northampton
Southend-on-Sea
Maidstone
Swindon
Canterbury
Gatwick
Stratford-upon-Avon
Ipswich
Ilford
Dartford
Guildford
Colchester
Worthing
Hounslow
Swanage
Salisbury

Why use momondo?

Why should I use momondo to find a flight deal from Miami to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Miami to London. momondo saves you time and could save you money on your trip.

Can I find flights from Miami to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Miami which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Miami to London?

Once you have performed a search for Miami to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Miami to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Miami to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Heathrow Airport trip

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