Cheap flights from Miami to London from $353

The cheapest month to fly to London from Miami is in September. Flight prices, which tend to average around $573, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Miami averaging around $596.

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 $694. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $841. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $707 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $766. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Miami to London Gatwick 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 $750 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 $667 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 3% on your flight if you consider stops on a Miami to London flight.

As of February 2026, prices for Miami to London flights are approximately 120% more expensive when compared to flights at the same time last year.

Air Europa, LEVEL, and Lufthansa are the most popular carriers operating from Miami to London

British Airways, Virgin Atlantic and American Airlines 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 43% of people opting to fly with this airline when traveling to London. Keep in mind that there are 12 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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 146 minutes.

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

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.

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.

Lisbon (LIS) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

Flights via Boston (BOS) offer the lowest average round-trip price of $140.

Flights connecting via New York (JFK) have the shortest average one-way travel time: 11h 11m.

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

30 flights are operational daily from Miami to London as of February 2026. The most popular departure time for this route is 10:00PM, with 68% of flights per day taking off in the evening.

212 flights are operational weekly from Miami to London as of February 2026. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.