Can I get a flight from London Heathrow Airport to Hong Kong on Cathay Pacific for under £806?

There are 9 flights available on Cathay Pacific from London Heathrow Airport to Hong Kong for under £806. These prices can change based on many factors including date and time. To find LHR-HKG flight prices for your dates, click here.

How far ahead should I book a flight from London Heathrow Airport to Hong Kong with Cathay Pacific?

Booking with Cathay Pacific 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Hong Kong. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Hong Kong with Cathay Pacific?

Currently, the most affordable month to book a Cathay Pacific flight from London Heathrow Airport to Hong Kong in November, with an average price of £641. Conversely, traveling with Cathay Pacific from London Heathrow Airport to Hong Kong in December will be the most expensive, with an average cost of £1,051. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Cathay Pacific flight availability from London Heathrow Airport to Hong Kong

The most Cathay Pacific flights from LHR to HKG are scheduled on a Monday (5 on average). You will have fewer Cathay Pacific flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

In terms of precipitation, rainfall in Hong Kong ranges from 20.0 - 390.0 inches per month. June is typically the wettest month, when rainfall can reach 390.0 mm. January is typically the driest time to visit Hong Kong when rainfall is around 20.0 mm.

If weather is an important factor for your trip to Hong Kong, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

£379+ Cathay Pacific Flights from Heathrow to Hong Kong

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Cheapest Cathay Pacific flights from Heathrow to Hong Kong
Explore the most affordable Cathay Pacific flight options available from Heathrow to Hong Kong. Find the lowest fares with prices last updated on 24 August 2026.

Thu 17/922:15 -

Nonstop12h 45m

Fri 2/1013:25 -

Nonstop14h 10m

Deal found 22/8£669

Mon 7/918:20 -

Nonstop12h 50m

Mon 16/1108:10 -

Nonstop14h 50m

Deal found 22/8£677

Wed 26/812:20 -

Nonstop12h 30m

Mon 28/913:25 -

Nonstop14h 10m

Deal found 23/8£679

Can I get a flight from London Heathrow Airport to Hong Kong on Cathay Pacific for under £806?
There are 9 flights available on Cathay Pacific from London Heathrow Airport to Hong Kong for under £806. These prices can change based on many factors including date and time. To find LHR-HKG flight prices for your dates, click here.

Cathay Pacific flights from Heathrow to Hong Kong in 2026

One-way from	£379
Return from	£484
Popular in	July
Cheapest in	November
Average price (all airlines)	£789

Cathay Pacific
13/9
Nonstop
12h 30m total
London to Hong Kong

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Cathay Pacific
1/11-6/11
Nonstop
27h 20m total
London to Hong Kong

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Highest demand for flights from London Heathrow to Hong Kong Intl; 12% potential price increase.

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Best time to find cheap flights from London Heathrow to Hong Kong Intl; 2% potential price drop.

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Average price for all London Heathrow to Hong Kong Intl flights (one-way and round-trip).

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The best time to book a flight to Hong Kong with Cathay Pacific is 89 days before departure. On average, fares are higher if you book 77 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Hong Kong?

For Economy class flights, the cheapest month to fly this route is November. The most expensive months are December and July.

Best time to book a flight from Heathrow to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Heathrow with our price prediction graph.

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Cathay Pacific flights from London Heathrow Airport to Hong Kong (LHR - HKG)

Find Cathay Pacific flight deals from Heathrow to Hong Kong

Cheapest Cathay Pacific flights from Heathrow to Hong KongExplore the most affordable Cathay Pacific flight options available from Heathrow to Hong Kong. Find the lowest fares with prices last updated on 24 August 2026.

Explore the most affordable Cathay Pacific flight options available from Heathrow to Hong Kong. Find the lowest fares with prices last updated on 24 August 2026.

Best Cathay Pacific flights from Heathrow to Hong KongDiscover carefully curated Cathay Pacific flight deals from Heathrow to Hong Kong that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Discover carefully curated Cathay Pacific flight deals from Heathrow to Hong Kong that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Direct Cathay Pacific flights from Heathrow to Hong KongExplore direct Cathay Pacific flight options from Heathrow to Hong Kong based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 August 2026.

Explore direct Cathay Pacific flight options from Heathrow to Hong Kong based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 August 2026.

Last-minute Cathay Pacific flights from Heathrow to Hong KongDiscover last-minute Cathay Pacific flight deals from Heathrow to Hong Kong. Data last updated 24 August 2026 and is based on user searches.

Discover last-minute Cathay Pacific flight deals from Heathrow to Hong Kong. Data last updated 24 August 2026 and is based on user searches.

One-way Cathay Pacific flights to Hong KongSearch for one-way Cathay Pacific flight options to Hong Kong. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.

Search for one-way Cathay Pacific flight options to Hong Kong. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.

Can I get a flight from London Heathrow Airport to Hong Kong on Cathay Pacific for under £806?

Cathay Pacific flights from Heathrow to Hong Kong in 2026

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Average price (all airlines)

When is the best time to book a flight to Hong Kong with Cathay Pacific?

The best time to book a flight to Hong Kong with Cathay Pacific is 89 days before departure. On average, fares are higher if you book 77 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Hong Kong?

For Economy class flights, the cheapest month to fly this route is November. The most expensive months are December and July.

Weekly Cathay Pacific flight availability from London Heathrow Airport to Hong Kong

The most Cathay Pacific flights from LHR to HKG are scheduled on a Monday (5 on average). You will have fewer Cathay Pacific flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Hong Kong by month

In terms of precipitation, rainfall in Hong Kong ranges from 20.0 - 390.0 inches per month. June is typically the wettest month, when rainfall can reach 390.0 mm. January is typically the driest time to visit Hong Kong when rainfall is around 20.0 mm.

Temperature in Hong Kong by month

Best time to book a flight from Heathrow to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Heathrow with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to Hong Kong on another airline

Consider alternative airlines that service the Hong Kong area. Flight routes are based on user searches made on Cheapflights and were last updated on 24 August 2026.

Other Cathay Pacific flights from Heathrow

Browse through other Cathay Pacific flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 24 August 2026.

Other airlines servicing Heathrow and Hong Kong

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Other popular destinations in Asia

If Hong Kong is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 24 August 2026.

Popular flights with Cathay Pacific

Browse through some of the most popular routes that Cathay Pacific offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 24 August 2026.

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Cheapest Cathay Pacific flights from Heathrow to Hong Kong
Explore the most affordable Cathay Pacific flight options available from Heathrow to Hong Kong. Find the lowest fares with prices last updated on 24 August 2026.

Best Cathay Pacific flights from Heathrow to Hong Kong
Discover carefully curated Cathay Pacific flight deals from Heathrow to Hong Kong that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Direct Cathay Pacific flights from Heathrow to Hong Kong
Explore direct Cathay Pacific flight options from Heathrow to Hong Kong based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 August 2026.

Last-minute Cathay Pacific flights from Heathrow to Hong Kong
Discover last-minute Cathay Pacific flight deals from Heathrow to Hong Kong. Data last updated 24 August 2026 and is based on user searches.

One-way Cathay Pacific flights to Hong Kong
Search for one-way Cathay Pacific flight options to Hong Kong. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.