Cheap flights from Kuala Lumpur Intl Airport to London from $309

The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Kuala Lumpur Intl Airport, with most prices found around $675. If you’re not able to fly to London Heathrow Airport in November, then May is your next best option. Flight prices from Kuala Lumpur Intl Airport to London Heathrow Airport during May average around $700.

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 $814. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,104.

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 Kuala Lumpur Intl Airport to London Heathrow Airport in the evening for as low as $882. 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 morning are often more expensive with an average ticket price of $893.

Fly from Kuala Lumpur Intl to London Heathrow for the best Kuala Lumpur Intl - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from Kuala Lumpur Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $775 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 Kuala Lumpur Intl Airport for as low as $735 on momondo.

There are 4 cabin classes available to choose from on Kuala Lumpur Intl to London Heathrow 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 19% on your flight if you consider stops on a Kuala Lumpur Intl Airport to London Heathrow Airport flight.

As of March 2026, prices for Kuala Lumpur Intl Airport to London Heathrow Airport flights are approximately 13% more expensive when compared to flights at the same time last year.

China Eastern is the most popular carrier operating from Kuala Lumpur Intl to London Heathrow

Malaysia Airlines, Emirates and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Kuala Lumpur Intl Airport according to our data. Malaysia Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 7 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Kuala Lumpur and London have experienced a delay on any given week. The average delay length over the past 12 months has been 117 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.

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

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

Dubai (DXB) was the most common stop: 42% of momondo users choosing 1-stop flights on this route connected there.

Flights via Singapore (SIN) offer the lowest average round-trip price of $837.

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 16h 39m.

Singapore (SIN) has the shortest average layover time for this route: 1h 32m.

The number of flights available between Kuala Lumpur Intl Airport and London Heathrow Airport is 11 per day as of March 2026. The most frequent departure time is 11:00PM, with 63% of daily flights leaving in the evening.

The number of flights available between Kuala Lumpur Intl Airport and London Heathrow Airport is 77 per week as of March 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.