Cheap flights from Miami to London from $355

The cheapest month to fly to London from Miami is in February. Flight prices, which tend to average around $695, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Miami averaging around $802.

The cheapest day to depart from Miami to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $945. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,120. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Miami in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,007 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $1,022. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to London from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,011 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Miami for as low as $923 on momondo.

There are 4 cabin classes available to choose from on Miami to London 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 2% on your flight if you consider stops on a Miami to London flight.

As of November 2026, prices for Miami to London flights are approximately 129% more expensive when compared to flights at the same time last year.

TAP AIR PORTUGAL, ITA Airways, and Royal Air Maroc are the most popular carriers operating from Miami to London

British Airways, American Airlines and Virgin Atlantic are the top three most popular airlines that fly to London from Miami according to our data. British Airways is the first choice among our users, with 47% of people opting to fly with this airline when traveling to London. Keep in mind that there are 14 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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 166 minutes.

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

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

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

Lisbon (LIS) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $744.

Flights connecting via New York (JFK) have the shortest average one-way travel time: 10h 40m.

New York (JFK) has the shortest average layover time for this route: 1h 34m.

28 flights are operational daily from Miami to London as of November 2026. The most popular departure time for this route is 11:00PM, with 84% of flights per day taking off in the evening.

200 flights are operational weekly from Miami to London as of November 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.