Cheap flights from Kuala Lumpur to London from $449

The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Kuala Lumpur, with most prices found around $992. If you aren’t able to travel during the month of November, then book flights to London Heathrow Airport from Kuala Lumpur during May instead. Flights to London Heathrow Airport in May, while not as cheap as those in November, still average around $1,031.

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 $1,281. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Kuala Lumpur to London Heathrow Airport for around $2,073.

In the evening is the cheapest time of day to fly from Kuala Lumpur to London Heathrow Airport when you can find flight prices for as low as $1,571. 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 $1,700.

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

You are more likely to see cheaper flights to London Heathrow Airport from Kuala Lumpur when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $1,138 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 for as low as $1,057 on momondo.

There are 4 cabin classes available to choose from on Kuala Lumpur to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 14% 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 115 minutes.

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

Wednesday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

As of March 2026, 10 flights take off from Kuala Lumpur and land in London Heathrow Airport each day. The most common flight departure time for this route is 23:00, with 80% of daily flights taking off in the evening.

As of March 2026, 75 flights take off from Kuala Lumpur 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.