Cheap flights from London to Hong Kong from €261

In general, November is the cheapest month to fly from London to Hong Kong. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €558. If you’re not able to fly to Hong Kong in November, then May is your next best option. Flight prices from London to Hong Kong during May average around €617.

The cheapest day to depart on your flight to Hong Kong is on a Wednesday when prices can be found for as low as €636. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London to Hong Kong for around €1,210.

Our most recent data shows that the best time of day to fly to Hong Kong is in the evening. Flights from London to Hong Kong during this time can be as low as €636. In contrast, the most expensive time of day to depart to Hong Kong is in the morning when prices are around €1,109.

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 €784 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 for as low as €708 on momondo.

There are 2 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 61% on your flight if you consider stops on a London to Hong Kong flight.

As of March 2026, prices for London to Hong Kong flights are approximately 7% cheaper when compared to flights at the same time last year.

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 150 minutes.

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

Monday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

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

Flights via Beijing (PKX) offer the lowest average return price of €508.

Flights connecting via Istanbul (IST) have the shortest average one-way travel time: 15h 20m.

Istanbul (IST) has the shortest average stopover time for this route: 1h 58m.