Question 1

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

Accepted Answer

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Miami, with most prices found around $558. If you’re not able to fly to London Heathrow Airport in February, then September is your next best option. Flight prices from Miami to London Heathrow Airport during September average around $615.

Question 2

How many flights depart from Miami to London Heathrow Airport on average per day?

Accepted Answer

As of January 2026, there are 25 flights per day flying from Miami to London Heathrow Airport. The most common time of day flights depart is 5:00PM, with 50% of flights taking off in the afternoon.

Question 3

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Question 4

Which airline has the best punctuality record on Miami to London flights?

Accepted Answer

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

Question 5

How often are flights from Miami to London delayed?

Accepted Answer

Historically, on average around 15% of flights between Miami and London have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.

Question 6

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

Accepted Answer

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 $736 when searching weeks out. 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 $623 on momondo.

Question 7

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

Accepted Answer

You could potentially save up to 48% on your flight if you consider stops on a Miami to London Heathrow Airport flight.

Question 8

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

Accepted Answer

As of January 2026, prices for Miami to London Heathrow Airport flights are approximately 17% more expensive when compared to flights at the same time last year.

Question 9

What is the most punctual flight time for Miami to London flights?

Accepted Answer

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Question 10

Which airport is the most popular layover for flights between Miami and London Heathrow Airport?

Accepted Answer

Lisbon (LIS) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Question 11

Which layover airport has the shortest travel time from Miami to London Heathrow Airport?

Accepted Answer

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 11h 20m.

Question 12

Which layover airport offers the lowest fares from Miami to London Heathrow Airport?

Accepted Answer

Flights via Dublin (DUB) offer the lowest average round-trip price of $718.

Question 13

What airlines fly to London Heathrow Airport?

Accepted Answer

British Airways, Virgin Atlantic and Delta are the top three most popular airlines that fly to London Heathrow Airport from Miami according to our data. British Airways is the first choice among our users, with 42% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 12 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Question 14

Which layover airport has the shortest connection time from Miami to London Heathrow Airport?

Accepted Answer

Dublin (DUB) has the shortest average layover time for this route: 1h 25m.

Question 15

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

Accepted Answer

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $717. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $891.

Question 16

What is the cheapest airline that flies from Miami to London Heathrow?

Accepted Answer

Aer Lingus, LEVEL, and Virgin Atlantic are the most popular carriers operating from Miami to London Heathrow

Question 17

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

Accepted Answer

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Miami to London Heathrow Airport in the evening for as low as $764. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $784.

Question 18

How many flights depart from Miami to London Heathrow Airport on average per week?

Accepted Answer

As of January 2026, there are 180 flights per week flying from Miami to London Heathrow Airport. The most common day of the week flights depart is Thu, with 18% of flights taking off on this day.

Question 19

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

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $640 to $846.
The lowest price recently found on this route was $562.

Question 20

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

Accepted Answer

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.

Question 21

What is the cheapest Miami to London Heathrow flight route?

Accepted Answer

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

Question 22

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

Accepted Answer

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

Question 23

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

Accepted Answer

There are 11 operators available for flights from Miami Airport to London Heathrow Airport as of January 2026.

Question 24

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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.

Question 25

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

Accepted Answer

The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best Price Found	$411
Fastest flight time	8h 30m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,887 reviews	Search JetBlue flights
Norse Atlantic UK	PriceFrom $394	Free Cancellation	Rating 7.2 51 reviews	Search Norse Atlantic UK flights
Delta	PriceFrom $461	Free Cancellation	Rating 7.9 8,049 reviews	Search Delta flights
TAP AIR PORTUGAL	PriceFrom $464	Free Cancellation	Rating 7.1 2,121 reviews	Search TAP AIR PORTUGAL flights
Virgin Atlantic	PriceFrom $471	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
Scandinavian Airlines	PriceFrom $483	Free Cancellation	Rating 7.3 1,652 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $503	Free Cancellation	Rating 6.7 7,676 reviews	Search British Airways flights
Finnair	PriceFrom $515	Free Cancellation	Rating 7.6 1,349 reviews	Search Finnair flights
American Airlines	PriceFrom $518	Free Cancellation	Rating 7.2 11,131 reviews	Search American Airlines flights
Iberia	PriceFrom $530	Free Cancellation	Rating 7.0 3,087 reviews	Search Iberia flights

Cheap flights from Miami to London from $351

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 1/18. 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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