Cheap flights from London to Hong Kong from $301

The month of November is, on average, the cheapest month to fly to Hong Kong from London, with most prices found around $649. The month of May is another great option to travel to Hong Kong, with average flight prices from London averaging around $724.

The cheapest day to depart from London to Hong Kong is on a Monday. Travelers who choose to depart for Hong Kong on a Monday will often find tickets for as low as $966. The most expensive day to fly to Hong Kong is Sunday, with ticket prices averaging around $1,081.

The cheapest time of day to fly to Hong Kong is in the afternoon when flights can be purchased for as low as $1,031. In the morning is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $1,130 per ticket.

Fly from London Heathrow to Hong Kong Intl for the best London - Hong Kong Intl flight prices

You are more likely to see cheaper flights to Hong Kong from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $906 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from London for as low as $837 on momondo.

There are 4 cabin classes available to choose from on London to Hong Kong Intl 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 44% on your flight if you consider stops on a London to Hong Kong flight.

As of February 2026, prices for London to Hong Kong flights are approximately 14% cheaper when compared to flights at the same time last year.

China Eastern, China Southern, and Air China are the most popular carriers operating from London to Hong Kong Intl

Cathay Pacific, British Airways and Air China are the top three most popular airlines that fly to Hong Kong from London according to our data. Cathay Pacific is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 9 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between London and Hong Kong have experienced a delay on any given week. The average delay length over the past 12 months has been 157 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.

Monday 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, Cathay Pacific 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.

Beijing (PKX) was the most common stop: 41% of momondo users choosing 1-stop flights on this route connected there.

Flights via Shanghai (PVG) offer the lowest average round-trip price of $371.

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 14h 30m.

Amsterdam (AMS) has the shortest average layover time for this route: 1h 10m.

As of February 2026, there are 6 flights per day flying from London to Hong Kong. The most common time of day flights depart is 5:00PM, with 56% of flights taking off in the afternoon.

44 flights are operational weekly from London to Hong Kong as of February 2026. The most popular departure day for this route is Tue, with 16% of flights per week taking off on this day.