Cheap Flights from Hong Kong Intl to London Heathrow

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Flight deals from Hong Kong Intl to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Hong Kong Intl to London Heathrow? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Hong Kong Intl to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hong Kong Intl to London Heathrow flights are currently cheapest in October.

Direct flights from Hong Kong Intl to London Heathrow

Hong Kong Intl to London Heathrow: Alternative routes

Compare routes from Hong Kong Intl to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Hong Kong to London: Flight information

The things to know before you go.
Cheapest flight foundRs70,416
Cheapest month to flyOctober
Average flight time14 hrs, 30 mins
Most popular airlineCathay Pacific
Average flights per week43

Finding cheap flights from Hong Kong Intl to London Heathrow: Frequently asked questions

The best price we found for a return flight from Hong Kong Intl to London Heathrow is Rs150,685. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
14 hours and 30 minutes is the average flight time from Hong Kong Intl to London Heathrow.
Cathay Pacific, Iberia and British Airways fly direct from Hong Kong Intl to London Heathrow.
As of July 2025, there are 43 flights per week flying from Hong Kong Intl to London Heathrow.
The cheapest month to fly from Hong Kong Intl to London Heathrow is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hong Kong Intl Airport to London Heathrow Airport on Sunday, 26 October 2025.
Yes – the average flight time is 14 hours and 30 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, SWISS and British Airways offer the cheapest flight tickets to London Heathrow.

Travelling from Hong Kong International Airport (HKG) to London Heathrow Airport (LHR): what you need to know

  • Jump on a direct flight from Hong Kong International Airport to London Heathrow Airport and you'll be travelling for an average of 14 hours 25 minutes.

  • The timezone in London is UTC+0, which is eight hours behind Hong Kong.

  • Take your pick of 134 weekly Hong Kong International Airport to London Heathrow Airport flights. The 00:15 departure with Cathay Pacific is the earliest you can take. British Airways operates the last service of the day at 23:40.

  • Leave enough time to make your HKG to LHR flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • During popular months like April, you'll want to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead of international flights when you fly during a peak period in general.

  • Jetting into London (and then exploring more of United Kingdom!) is easy with British Airways. This popular carrier offers direct flights from Hong Kong International Airport to London Heathrow Airport.

  • British Airways is the airline with the highest passenger demand for this route.

  • British Airways tops the rankings as the most punctual carrier for HKG to LHR flights, with 91.67% of its services arriving on schedule.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Hong Kong International Airport to London Heathrow Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore the city of your choice. Stopovers between HKG and LHR include:

    • Wuhan Tianhe International Airport

    • Beijing Capital International Airport

    • Zurich Airport

How to find the cheapest flights from Hong Kong International Airport (HKG) to London Heathrow Airport (LHR)

  • Rs70,416 is currently the best price for a one-way Hong Kong International Airport to London Heathrow Airport flight. A return flight starts at Rs150,685. These fares can change depending on availability and demand.

  • Score cheap tickets from HKG to LHR by booking seven months ahead. Based on our research, that's the sweet spot for finding a bargain.

  • June is the cheapest month for flights from Hong Kong International Airport to London Heathrow Airport. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Save time looking for cheap flights from HKG to LHR by creating a Price Alert. You'll receive an email or notification on the app when fares go down.

  • Tailor your flights with filters. Pick your departure and arrival times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Hong Kong International Airport to London Heathrow Airport.

Handy information about Hong Kong International Airport (HKG)

  • HKG's address is 1 Cheong Hong Rd.

  • Of the flights that depart from Hong Kong International Airport, 73.04% land on time at their destination.

  • Hong Kong International Airport is about 32 kilometres from central Hong Kong. If you're ride-sharing, catching a cab or driving from the centre, it'll take 30 minutes or so to get there, depending on the traffic.

  • The trip on public transport takes roughly 45 minutes.

  • Searching for a convenient hotel near HKG? If you're catching an early flight from Hong Kong International Airport to London Heathrow Airport, these accommodation options will have you moments from your departure gate:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is approximately 31 kilometres from central London. Driving there takes about 55 minutes.

  • Travelling to the centre on public transport takes about 1 hour.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Hong Kong International Airport to London Heathrow Airport is February, while July is the most popular. Pick the ideal time to go to London based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in London is July, with the temperature ranging between 11ºC and 26ºC. Lock in your flights from Hong Kong International Airport to London Heathrow Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between 0ºC and 9ºC. Search for cheap tickets from HKG to LHR sometime then if you want to travel when it's cooler.

Explore more of United Kingdom

  • London is easy to fall in love with, but there are so many other parts of United Kingdom you should also see. About 161 kilometres north-west of London, a trip to Birmingham will keep you busy. Don't miss top attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • If you're interested in discovering another great destination in United Kingdom, consider Bristol, about 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.