Cheap flights from London to Hong Kong from $429

The month of November is, on average, the cheapest month to fly to Hong Kong from London, with most prices found around $674. The month of January is another great option to travel to Hong Kong, with average flight prices from London averaging around $768.

The cheapest day to depart from London to Hong Kong is on a Saturday. Travelers who choose to depart for Hong Kong on a Saturday will often find tickets for as low as $1,082. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,255.

The cheapest time of day to fly to Hong Kong is in the afternoon when flights can be purchased for as low as $1,074. In the morning is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $1,267 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 $950 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 $864 on momondo.

There are 4 cabin classes available to choose from on London to Hong Kong 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 30% on your flight if you consider stops on a London to Hong Kong flight.

As of July 2026, prices for London to Hong Kong flights are approximately 32% cheaper when compared to flights at the same time last year.

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

Cathay Pacific, Air China and British Airways 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 51% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 10 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 14% 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 149 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon 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 12% of their flights experiencing any sort of delay.

Beijing (PEK) was the most common stop: 37% 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 July 2026, there are 7 flights per day flying from London to Hong Kong. The most common time of day flights depart is 7:00PM, with 70% of flights taking off in the evening.

49 flights are operational weekly from London to Hong Kong as of July 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.