If you want a cheap flight from Hong Kong to London, you've got 15 airlines to choose from. You can use the search box to filter your preferences, but we've found that the cheapest day to fly is 20 / Feb / 2025.
London Heathrow is just one of the airports in London. If you're not set on a specific airport, try changing your search from London Heathrow to London to see a broader range of flights – they might be cheaper. It usually takes about 18 hrs 40 mins to fly 9638 km to London Heathrow.
152 flights go to or via London every week. Cheap flights Currently, the cheapest price available is £473. The most popular airline is Air France but do spend some time checking all your options – they aren’t necessarily the cheapest airline to book with.
During this peak season, hotel and holiday prices often increase too, so it's best to book early. Or you could keep your fingers crossed and hold out for a last-minute deal.
