Cheap flights from Hong Kong to the United Kingdom from £255

The cheapest month to fly to United Kingdom from Hong Kong is in November. Flight prices, which tend to average around £587, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of November, then departing from Hong Kong during the month October is also very affordable. Most momondo users find prices during this month for around £614.

The cheapest day to depart from Hong Kong to United Kingdom is on a Sunday. Travellers who choose to depart for United Kingdom on a Sunday will often find tickets for as low as £675. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to United Kingdom for around £851.

The cheapest time of day to fly to United Kingdom is at midday when flights can be purchased for as low as £740. Try not to purchase tickets in the morning because they tend to be around £778. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to United Kingdom from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £693 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Hong Kong for as low as £644 on momondo.

There are 3 cabin classes available to choose from on Hong Kong to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air China, China Eastern, and Air India are the most popular carriers operating from Hong Kong to United Kingdom

Cathay Pacific, SWISS and Lufthansa are the top three most popular airlines that fly to United Kingdom from Hong Kong according to our data. Cathay Pacific is the first choice among our users, with 38% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 16 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between Hong Kong and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

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

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday 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 8% of their flights experiencing any sort of delay.

As of August 2026, there are 7 flights per day flying from Hong Kong to United Kingdom. The most common time of day flights depart is 22:00, with 61% of flights taking off in the evening.

50 flights are operational weekly from Hong Kong to United Kingdom as of August 2026. The most popular departure day for this route is Sat, with 18% of flights per week taking off on this day.