Cheap flights from Kuala Lumpur Intl Airport to London from $426

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 $1,017. If you aren’t able to travel during the month of November, then book flights to London Heathrow Airport from Kuala Lumpur Intl Airport during May instead. Flights to London Heathrow Airport in May, while not as cheap as those in November, still average around $1,018.

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,355. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Kuala Lumpur Intl Airport to London Heathrow Airport for around $3,086.

In the evening is the cheapest time of day to fly from Kuala Lumpur Intl Airport to London Heathrow Airport when you can find flight prices for as low as $1,863. Flying to London Heathrow Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the morning when prices are around $2,089.

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 $1,125 when searching weeks before you fly. 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 $1,038 on momondo.

There are 4 cabin classes available to choose from on Kuala Lumpur Intl Airport 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 49% on your flight if you consider stops on a Kuala Lumpur Intl Airport to London Heathrow Airport flight.

As of September 2026, prices for Kuala Lumpur Intl Airport to London Heathrow Airport flights are approximately 25% cheaper when compared to flights at the same time last year.

Historically, on average around 12% 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 103 minutes.

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

Thursday 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, British Airways have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

Singapore (SIN) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

Flights via Doha (DOH) offer the lowest average return price of $1,212.

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 16h 05m.

Singapore (SIN) has the shortest average stopover time for this route: 1h 00m.

As of September 2026, there are 10 flights per day flying from Kuala Lumpur Intl Airport to London Heathrow Airport. The most common time of day flights depart is 09:00, with 64% of flights taking off in the evening.

As of September 2026, 71 flights take off from Kuala Lumpur Intl Airport and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.