Cheap flights from London Heathrow Airport to Hong Kong from $684

If you don’t want to visit Hong Kong in January, then you should wait until November to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $1,212.

The cheapest day to depart on your flight to Hong Kong is on a Tuesday when prices can be found for as low as $1,864. This is often the case because there is less demand to fly during this day of the week. Flights from London Heathrow Airport to Hong Kong on a Saturday will generally be more expensive and average around $2,978. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest London Heathrow Airport to Hong Kong flights are usually those with departure times in the afternoon. Our users have found flights to Hong Kong in the afternoon for as low as $1,968. In the morning is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $2,199 per ticket.

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

You are more likely to see cheaper flights to Hong Kong from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $1,399 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from London Heathrow Airport for as low as $1,261 on momondo.

There are 3 cabin classes available to choose from on London Heathrow Airport 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 43% on your flight if you consider stops on a London Heathrow Airport to Hong Kong flight.

As of October 2026, prices for London Heathrow Airport to Hong Kong flights are approximately 9% cheaper when compared to flights at the same time last year.

Historically, on average around 12% 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 146 minutes.

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

Sunday 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, Cathay Pacific have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

Shanghai (PVG) was the most common stop: 40% of momondo users choosing one-stop flights on this route connected there.

Flights via Shanghai (PVG) offer the lowest average return price of $781.

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 15h 00m.

Beijing (PEK) has the shortest average stopover time for this route: 1h 55m.

5 flights are operational daily from London Heathrow Airport to Hong Kong as of October 2026. The most popular departure time for this route is 19:00, with 71% of flights per day taking off in the evening.

41 flights are operational weekly from London Heathrow Airport to Hong Kong as of October 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.