Cheap Flights from London (LOND) to Hong Kong Intl (HKG)

Compare London to Hong Kong Intl flight deals

Find the cheapest month or even day of the year to fly to Hong Kong Intl

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Flight deals from London to Hong Kong Intl

Looking for a cheap last-minute deal or the best return flight from London to Hong Kong Intl Airport? If you want to travel next month, return fares start from £423. Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from London to Hong Kong Intl

London to Hong Kong Intl: Alternative routes

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

London to Hong Kong: Flight information

The things to know before you go.
Cheapest flight found£220
Cheapest month to flySeptember
Average flight time12 hrs, 45 mins
Most popular airlineCathay Pacific
Average flights per week52

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

The best price we found for a return flight from London to Hong Kong Intl is £337. 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.
12 hours and 45 minutes is the average flight time from London to Hong Kong Intl.
Cathay Pacific, Iberia and British Airways fly direct from London to Hong Kong Intl.
As of June 2026, there are 52 flights per week flying from London to Hong Kong Intl.
The cheapest month to fly from London to Hong Kong Intl is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Hong Kong Intl Airport on Monday, 28 September 2026.
Yes – the average flight time is 12 hours and 45 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 Hong Kong Intl 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 Hong Kong is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from London to Hong Kong International Airport (HKG): What you need to know

  • Planning your getaway begins with figuring out where you'll fly out of in London. London Heathrow Airport (LHR) is the city's main base, so explore your options for booking a flight from London to Hong Kong International Airport (HKG) jetting off from here.

  • Around 12 hours 45 minutes is how long you can expect to be travelling on a direct London to Hong Kong International Airport flight.

  • The timezone in Hong Kong is UTC+8, which is eight hours ahead of London. Hong Kong International Airport is located in Hong Kong.

  • With 42 direct flights a week between the two airports, London Heathrow Airport (LHR) to Hong Kong International Airport (HKG) is the most popular route. Cathay Pacific operates the earliest flight at 11am. If you'd like to make the most of your day before taking off, the latest flight from LHR to HKG is with Cathay Pacific at 10:15pm.

  • To ensure you catch your flight from London to HKG, allow plenty of time to check in and drop off your luggage. Arriving two hours ahead of international departures and one hour before domestic flights is the general rule.

  • Popular months like July or other peak periods mean bigger queues and potential delays. Stay on schedule by getting to the airport even earlier. Aim for at least four hours ahead of an international flight and two hours before a domestic departure.

Airports in London

London Heathrow Airport (LHR)

  • You can jump on a direct flight from London to Hong Kong International Airport (HKG) departing from London Heathrow Airport (LHR).

  • When taking off from LHR, you can take a direct flight from London to Hong Kong International Airport with Cathay Pacific.

  • The top choice among passengers flying between LHR and HKG is Cathay Pacific.

  • The carrier with the top on-time arrival performance on this route is Cathay Pacific.

  • A stopover is the ideal opportunity to break up your journey and maybe even explore a different city. When browsing cheap flights from London to HKG departing from London Heathrow Airport (LHR), uncheck the 'Direct flights only' box to find out where you can stop along the way. Popular options include:

    • Amsterdam Schiphol Airport (AMS)

    • Paris Charles de Gaulle Airport (CDG)

    • Milan Malpensa Airport (MXP)

  • LHR is about 24 kms (15 miles) from central London. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 45 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 25 minutes.

  • Want a leisurely start to your trip? Stay near London Heathrow Airport. Whether you have an early flight from London to Hong Kong International Airport or just don't want to be rushed, these hotels are just the thing:

  • Of the flights that depart from London Heathrow Airport, 78% arrive as scheduled at their destination.

London Gatwick Airport (LGW)

  • Get the most out of your holiday with a stopover on your flight from London to Hong Kong International Airport. Here's where you can connect between London Gatwick Airport and HKG:

    • Amsterdam Schiphol Airport (AMS)

    • Frankfurt Airport (FRA)

    • Paris Charles de Gaulle Airport (CDG)

  • You can arrive at LGW from central London in approximately 1 hour 5 minutes by car (depending on traffic). The ride on public transport will take roughly 1 hour 20 minutes to travel the 48 kms (30 miles) or so.

  • Start your holiday early with an additional night away from home. Before catching your London to HKG flight, stay in one of these hotels close to London Gatwick Airport:

  • London Gatwick Airport has a track record for punctuality. 82% of flights taking off from here arrive right on target.

London Stansted Airport (STN)

  • Choosing a plane ticket from London to Hong Kong International Airport (HKG) with a stop or two can give you a bigger choice of departure times on top of cheaper fares. When departing from London Stansted Airport (STN), here are a few places you can make a pit stop at on the way to HKG:

    • Dubai International Airport (DXB)

    • Milan Malpensa Airport (MXP)

    • Helsinki-Vantaa Airport (HEL)

  • From the centre of London, STN is around 56 kms (35 miles) away. It'll take you roughly 1 hour 5 minutes to get to the airport by car and 45 minutes or so if you're on public transport.

  • Skip the rush on your departure day — stay close to London Stansted Airport and know you'll make it to your gate with time to spare. Get settled at one of these hotels the day before if you're catching an early London to Hong Kong International Airport flight:

  • STN has an on-time performance rating of 80%. This means the majority of its flights touch down on schedule and your trip goes off without a hitch.

About Hong Kong International Airport (HKG)

Getting from Hong Kong International Airport (HKG) to central Hong Kong

  • Hong Kong International Airport is around 32 kms (20 miles) from central Hong Kong. It takes around 35 minutes or so to get to the city by car.

  • It'll take around 25 minutes if you're travelling by public transport.

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

  • The cheapest price we've found for a one-way ticket from London to Hong Kong International Airport is £220. For a return flight on this route, the best price is £337. Depending on the availability and when you book, these fares may change.

  • To snap up cheap flights from London to HKG, book your plane ticket 11 months ahead of your departure date.

  • April is when you're most likely to find a fantastic deal on a London to Hong Kong International Airport ticket. If you want to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Finding a cheap plane ticket from London to HKG is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Hunt down a great price on a flight from London to Hong Kong International Airport with the help of the filters. Pick your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from London to Hong Kong International Airport (HKG)

  • It's time to figure out your travel dates for your flight from London to Hong Kong International Airport (HKG). February is when most people travel to Hong Kong. If you prefer a quieter vibe, head there in December.

  • The warmest month in Hong Kong is July, with temperatures ranging between 27ºC and 31ºC. Book your London to HKG plane ticket then if that's your ideal forecast.

  • If you like travelling in cooler conditions, look for a cheap ticket from London to Hong Kong International Airport in January when temperatures are between 11ºC and 20ºC.

More about Hong Kong

  • Start your Hong Kong trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from London to Hong Kong International Airport, check out our range of accommodation options including:

  • Your trip to Hong Kong won't be complete without checking out the sights. Big-name attractions worth exploring include Hong Kong Island, Victoria Harbour and Victoria Peak.

Explore more of China

  • You've seen Hong Kong, now it's time to explore other corners of China. Journey about 113 kms (70 miles) northwest to Guangzhou to check off its must-visit sights. From Canton Tower to Baiyun Mountain and Yuyuan Garden, your itinerary will be busy.

  • If you're eager to discover another corner of China, head for Shantou, about 306 kms (190 miles) northeast of Hong Kong. Beishan Bay, Longhu Beach Tourist Resort and Lveniaowei Mountain are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.