Cheap flights from Miami to London from C$ 644

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Miami, with most prices found around C$ 936. If you aren’t able to travel to London Heathrow Airport during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 962.

Our data shows that the cheapest Miami to London Heathrow Airport flights are usually those with departure times in the afternoon. Our users have found flights to London Heathrow Airport in the afternoon for as low as C$ 768. In the evening is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,110 per ticket.

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

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 C$ 1,260 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 C$ 1,186 on momondo.

There are 2 cabin classes available to choose from on Miami to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 66% on your flight if you consider stops on a Miami to London Heathrow Airport flight.

Historically, on average around 14% 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 156 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Virgin Atlantic has had the least delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

As of July 2026, 24 flights take off from Miami and land in London Heathrow Airport each day. The most common flight departure time for this route is 10:00p.m., with 78% of daily flights taking off in the evening.

The number of flights available between Miami and London Heathrow Airport is 174 per week as of July 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.